АККУМУЛЯТОРНАЯ БАТАРЕЯ НОВОЙ КОНСТРУКЦИИ

Изобретение относится к аккумуляторным батареям. Технический результат - обеспечение баланса напряжений при сохранении высокой емкости. Предложена аккумуляторная батарея, имеющая множество аккумуляторных элементов, электрически соединенных друг с другом, причем аккумуляторные элементы могут заряжаться и разряжаться, и аккумуляторная батарея содержит два или более типов групп аккумуляторов, имеющих различные емкости или размеры, причем каждая из групп аккумуляторов содержит два или более аккумуляторных элементов, имеющих одинаковые емкость или размеры, причем аккумуляторные элементы в каждой из групп аккумуляторов последовательно соединены друг с другом, и аккумуляторные элементы между группами аккумуляторов параллельно соединены друг с другом .2 н. и 12 з.п. ф-лы, 4 ил., 2 табл.

САМОУПРАВЛЯЕМЫЕ ЗАРЯДНЫЕ СТОЙКИ

Группа изобретений относится к зарядке аккумуляторов электрического транспортного средства. Способ планирования зарядки электрического транспортного средства заключается в следующем. Принимают запрос на зарядку от электрического транспортного средства на зарядной стойке. Определяют отрезок времени зарядки для электрического транспортного средства на основе запроса на зарядку. Вносят в расписание отрезок времени зарядки для электрического транспортного средства. Прогнозируют требование по нагрузке для зарядной стойки на основе запроса на зарядку и отрезка времени зарядки. Отправляют требование по нагрузке оператору сети, снабжающему зарядную стойку электрической мощностью. Зарядная стойка содержит зарядное устройство, устройство связи и вычислительное устройство, выполненное с возможностью управлять зарядкой и выполнять способ планирования зарядки электрического транспортного средства. Зарядная система содержит множество зарядных стоек, соединенных с возможностью связи по сети передачи данных ...

УСТРОЙСТВО И СПОСОБ УПРАВЛЕНИЯ ЗАРЯДОМ МОДУЛЯ АККУМУЛЯТОРНОЙ БАТАРЕИ

Использование: в области электротехники. Технический результат - повышение надежности. Зарядное устройство (2) батареи, оборудованное преобразователем переменного тока в постоянный ток, заряжает модуль (1) аккумуляторной батареи, составленный из множества единичных элементов (10). Каждый из единичных элементов (10) параллельно соединен со схемой (33) стабилизированного напряжения, составленный из стабилитрона (332) и резистора (331), включенных последовательно, и единичный элемент (10), достигший состояния полного заряда, детектируют на основании разности между потенциалами на двух сторонах резистора (331). По мере того, как контроллер (3) батареи понижает мощность зарядки, используемую зарядным устройством (2) батареи, в ответ на достигнутое состояние полного заряда, обеспечивается то, что модуль (1) аккумуляторной батареи заряжают полностью, предотвращая перезаряд отдельных единичных элементов (10). 2 н. и 7 з.п. ф-лы, 9 ил.

ТРАНСПОРТНОЕ СРЕДСТВО С ЭЛЕКТРОДВИГАТЕЛЕМ И СПОСОБ УПРАВЛЕНИЯ УСТРОЙСТВОМ ПРЕОБРАЗОВАНИЯ НАПРЯЖЕНИЯ

Изобретение относится к электрическим транспортным средствам и способу управления устройством преобразования напряжения. Транспортное средство содержит множество заряжаемых устройств накопления мощности, электродвигатель, модуль приема электрической мощности, устройство преобразования напряжения, управляющее устройство, управляющее устройством преобразования напряжения для обеспечения обмена электрической мощностью между множеством устройств накопления мощности, когда множество устройств накопления мощности заряжается от источника электропитания. Способ заключается в определении требования зарядки множества устройств накопления мощности от источника электропитания. Если требуется зарядка множества устройств накопления мощности от упомянутого источника электропитания, управляют устройством преобразования напряжения так, чтобы заряжать множество устройств накопления мощности от источника электропитания. Обеспечивают обмен электрической мощностью между множеством устройств накопления мощности ...

Устройство для запуска подвагонного генератора

Изобретение относится к устройствам для железнодорожных вагонов. Устройство для запуска подвагонного генератора содержит установленные в корпусе и соединенные элемент питания и провода подключения к системе электрооборудования пассажирского вагона, плату балансировки аккумуляторных батарей, плату регулировки выходного напряжения и тока, плату заряда и приборы контроля, соединенные параллельно, прибор защиты для обмотки возбуждения генератора от максимального тока нагрузки. При этом элемент питания выполнен в виде литий-ионных аккумуляторных батарей и снабжен индикатором заряда, установленным параллельно. Технический результат заключается в повышении надежности работы энергосистем силовых агрегатов пассажирского вагона и обеспечении комфортных условий для пассажиров. 2 з.п. ф-лы, 3 ил.

СПОСОБ ЭКСПЛУАТАЦИИ ЛИТИЙ-ИОННОЙ АККУМУЛЯТОРНОЙ БАТАРЕИ В АВТОНОМНОЙ СИСТЕМЕ ЭЛЕКТРОПИТАНИЯ ИСКУССТВЕННОГО СПУТНИКА ЗЕМЛИ

Изобретение относится к электротехнической промышленности. Способ эксплуатации литий-ионной аккумуляторной батареи в автономной системе электропитания искусственного спутника Земли (ИСЗ) заключается в проведении зарядов, хранении в заряженном состоянии подзарядов, при необходимости, разрядов, контроле напряжения аккумуляторов, отключении неисправных аккумуляторов из последовательной цепи аккумуляторов аккумуляторной батареи, периодической балансировке аккумуляторов по напряжению путем выбора аккумулятора с наименьшим напряжением, подключения к оставшимся аккумуляторам индивидуальных разрядных резисторов с последующим отключением соответствующих резисторов при достижении напряжения на соответствующих аккумуляторах уровня напряжения первоначально выбранного аккумулятора. Балансировку аккумуляторов по напряжению проводят в процессе заряда (подзаряда) аккумуляторной батареи. По окончании заряда (подзаряда) оценивают максимальную текущую величину разбаланса аккумуляторов. Изобретение позволяет ...

СПОСОБ СБАЛАНСИРОВАННОЙ ЗАРЯДКИ ЛИТИЙ-ИОННОЙ ИЛИ ЛИТИЙ-ПОЛИМЕРНОЙ БАТАРЕИ

... 1. Способ сбалансированной зарядки n аккумуляторов (1), где n≥2, входящих в состав литий-ионной или литий-полимерной батареи (2) и соединенных последовательно, при этом каждый аккумулятор (1) состоит из одного или нескольких элементов, установленных параллельно, характеризующийся тем, что с начала операции зарядки батареи (2) и в течение всей этой операции осуществляют постоянный контроль за уровнем зарядки различных аккумуляторов (1) и выполняют в зависимости от предварительной оценки уровней зарядки равномерную подачу тока на все аккумуляторы (1) или балансировку уровней зарядки аккумуляторов (1) путем дифференцированной подачи на них тока в зависимости от их текущих уровней зарядки, и выполняют поочередно последовательно для каждого аккумулятора (1) батареи в течение доли времени от общего времени зарядки батареи (2) последовательно повторяющиеся этапы оценки уровня зарядки данного аккумулятора (1), после чего в зависимости от уровня его зарядки и от уровней зарядки всех остальных аккумуляторов ...

УСТРОЙСТВО УПРАВЛЕНИЯ ПОДАЧЕЙ ЭЛЕКТРИЧЕСКОЙ ЭНЕРГИИ И СПОСОБ УПРАВЛЕНИЯ ПОДАЧЕЙ ЭЛЕКТРИЧЕСКОЙ ЭНЕРГИИ

... 1. Устройство управления подачей электрической энергии для устройства подачи электрической энергии, включающего в себя множество аккумуляторных батарей и генератор электрической энергии, выполняющий зарядку множества аккумуляторных батарей, причем устройство управления подачей электрической энергии управляет параллельным соединением между множеством аккумуляторных батарей, содержащее:- модуль сравнения напряжения, выполняющий сравнение между выходными напряжениями множества аккумуляторных батарей;- модуль регулирования напряжения, выполняющий регулирование напряжения посредством одного из a) обработки зарядки посредством подачи электрической энергии из генератора электрической энергии в аккумуляторную батарею, имеющую наименьшее выходное напряжение из множества аккумуляторных батарей, подлежащих сравнению посредством модуля сравнения напряжения, и b) обработки разрядки посредством подачи электрической энергии из аккумуляторной батареи, имеющей наибольшее выходное напряжение из множества ...

СПОСОБ НАЗЕМНОЙ ЭКСПЛУАТАЦИИ СИСТЕМЫ ЭЛЕКТРОПИТАНИЯ КОСМИЧЕСКОГО АППАРАТА

Изобретение относится к наземным электротехническим испытаниям космических аппаратов. Способ заключается в проведении заряда и разряда аккумуляторных батарей (АБ) с активным термостатированием и контролем температуры штатных АБ и в хранении их без проведения термостатирования. Вначале на посадочные места штатных АБ устанавливают блоки согласования (габаритные макеты) имитаторов АБ. На корпусе каждого блока монтируют входные и выходные электрические соединители, соответствующие соединителям АБ. Выходные соединители всех блоков подключают к бортовой кабельной сети, а входные соединители через технологическую и наземную кабельные сети - к имитаторам АБ. По завершении наземных испытаний указанные блоки согласования, кабельные сети и имитаторы АБ демонтируют. На термоплаты системы терморегулирования устанавливают штатные АБ, образуя штатную конфигурацию системы электропитания. Техническим результатом является сохранение ресурсных характеристик и повышение надежности эксплуатации различных типов ...

КОМПЛЕКТ АДАПТЕР/АККУМУЛЯТОРНАЯ БАТАРЕЯ (ВАРИАНТЫ), ЭЛЕКТРОИНСТРУМЕНТ (ВАРИАНТЫ), ИСПОЛЬЗУЮЩИЙ ЭТОТ КОМПЛЕКТ, АДАПТЕР И СОЕДИНИТЕЛЬНОЕ УСТРОЙСТВО

... 1. Комплект адаптер/аккумуляторная батарея, в котором адаптер содержит: первый вывод; второй вывод, электрически подсоединяемый к электроинструменту, и средство преобразования эффективного напряжения для преобразования эффективного значения напряжения, подаваемого от аккумуляторной батареи через первый вывод, и для подачи напряжения на второй вывод, а аккумуляторная батарея содержит: третий вывод, электрически подсоединяемый к первому выводу, средство детектирования аномалии для обнаружения аномалий при подаче электроэнергии в адаптер и первое средство прерывания для прерывания подачи электроэнергии в адаптер при обнаружении аномалии средством детектирования аномалии. 2. Комплект по п.1, отличающийся тем, что средство преобразования эффективного напряжения содержит: переключающий блок, включенный между первым выводом и вторым выводом, и блок управления переключениями, задающий время включения и выключения переключающего контура, причем первое средство прерывания отключает переключающий ...

УСТРОЙСТВО ДЛЯ РЕВЕРСИВНОЙ РЕГУЛИРОВКИ ЗАРЯДА БАТАРЕИ

... 1. Система энергоснабжения на основе батареи для питания электронного устройства, содержащая: ! одну основную перезаряжаемую батарею; ! одну дополнительную батарею, содержащую по меньшей мере или один первичный источник тока или по меньшей мере один перезаряжаемый источник тока; и ! один реверсивный регулятор заряда, регулирующий прохождение тока между указанной дополнительной батареей и указанной перезаряжаемой батареей. ! 2. Система энергоснабжения на основе батареи по п.1, в которой указанный реверсивный регулятор заряда регулирует прохождение тока от указанной дополнительной батареи к указанной перезаряжаемой батарее. ! 3. Система энергоснабжения на основе батареи по п.1, в которой указанный реверсивный регулятор заряда регулирует прохождение тока от указанной перезаряжаемой батареи к указанной дополнительной батарее. ! 4. Система энергоснабжения на основе батареи по любому из пп.1-3, в которой указанная дополнительная батарея имеет на клеммах первое номинальное напряжение, а указанная ...

БАТАРЕЙНЫЙ БЛОК

... 1. Батарейный блок, содержащий:батарею вторичных элементов;элемент обнаружения тока для обнаружения разрядного тока, текущего из батареи вторичных элементов, или зарядного тока, текущего в батарею вторичных элементов;секцию мониторинга для введения сигнала тока разрядного тока или зарядного тока через элемент обнаружения тока и для введения сигнала напряжения батареи вторичных элементов; иуправляющий микрокомпьютер для выполнения управления разрядкой или управления зарядкой, основываясь на сигналах из секций мониторинга,причем сигнал тока через элемент обнаружения тока вводится и в секцию мониторинга и в управляющий микрокомпьютер.2. Батарейный блок по п.1, в котором секция мониторинга сконструирована с возможностью передавать сигнал тока разрядного тока или зарядного тока в управляющий микрокомпьютер посредством связи.3. Батарейный блок по п.1 или 2, в котором когда разница между сигналом разрядного тока, переданным из секции мониторинга в управляющий микрокомпьютер, и сигналом разрядного ...

СПОСОБ ЗАРЯДКИ БАТАРЕИ И ЗАРЯЖЕННАЯ БАТАРЕЯ

... 1. Способ зарядки батареи, причем батарея (10) содержит множество аккумуляторных элементов (j), клеммы (11, 12) зарядки указанных аккумуляторных элементов, выполненные с возможностью соединения с зарядным устройством (100), обходную цепь (CPC), связанную с каждым аккумуляторным элементом (j), коммутационные элементы (SW), позволяющие соединять с соответствующей обходной цепью (CPC) и отсоединять от нее каждый аккумуляторный элемент (j), и средства (20) управления коммутационными элементами (SW),характеризующийся тем, что для осуществления i-й зарядки батареи при i, превышающем или равном двум,обнаруживают соединение зарядных клемм с зарядным устройством, при этом обнаружение соединения зарядных клемм с зарядным устройством вызывает в ходе первой фазы соединение аккумуляторных элементов (j) с их соответствующей обходной цепью (CPC) соответственно в течение первого времени (TP) преимущественного обхода, соответственно связанного с аккумуляторным элементом (j),затем сразу по истечении первого ...

Schutzschaltung für einen Akkupack

Schutzschaltung für eine Anordnung aus einer Vielzahl von Einzelzellen (4) in einem Akkupack (1), wobei eine vorgegebene Anzahl von Einzelzellen (4) in einer Zellreihe (A, B, C, D) hintereinander geschaltet sind und zumindest zwei Zellreihen (A, B, C, D) zueinander parallel liegen, und zumindest ein an einer Stelle einer Zellreihe (A, B, C, D) zwischen den Einzelzellen (4) liegender Zellverbinder (Zna, Znb, Znc, Znd) über eine Ausgleichsleitung (Lna, Lab, Lnc) mit dem an einer gleichen Stelle der parallelen Zellreihe (A, B, C, D) liegender Zellverbinder (Zna, Znb, Znc, Zna) elektrisch verbunden ist, und das Potenzial (Unr) des mit der Ausgleichsleitung (Lna, Lab, Lnc) verbundenen Zellverbinders (Zna, Znb, Znc, Znd) der einen Stelle der einen Zellreihe (A) sowie das Potenzial (Unl) des mit der Ausgleichsleitung (Lna, Lnb, Lnc) elektrisch verbundenen Zeltverbinders (Zna, Znb, Znc, Zna) an der gleichen Stelle der parallelen Zellreihe (A, B, C, D) erfasst und die erfassten Potenziale (Unr, ...

Spannungsangleichungssystem-Schaltungssystem

Es ist ein Angleichungs-Schaltungssystem bereitgestellt, das eine Systemkonfiguration aufweist, die durch eine Reduktion der Gesamtzahl von Schaltern vereinfacht ist. Eine Stromspeicherzellen-Spannungsangleichungs-Schaltung wird mit einer Rechteckspannung betrieben, die an einem Schaltknoten in einer Stromspeichermodul-Spannungsangleichungs-Schaltung als eine Eingangsspannung erzeugt wird, wodurch eine Stromspeicherzellen-Spannungsangleichungs-Schaltung ohne einen Schalter erreicht wird. Typischerweise kann es sich bei der Stromspeicherzellen-Spannungsangleichungs-Schaltung um eine Resonanz-Spannungs-Verdopplungs-Gleichrichterschaltung handeln, und bei der Stromspeichermodul-Spannungsangleichungs-Schaltung kann es sich um einen geschalteten Kondensator, eine Resonanz-Spannungs-Verdopplungs-Gleichrichterschaltung, einen Tief-Hochsetzsteller oder dergleichen handeln.

Batterieüberwachungsverfahren, Batterieüberwachungsvorrichtung und Batterieüberwachungssystem

Eine Batterieüberwachungsvorrichtung, die für ein Fahrzeug vorgesehen ist, erfasst eine Spannung, einen Strom und eine Temperatur jeder einer Vielzahl von Einheitszellen und überträgt Einheitszelleninformationen, die die erfasste Spannung, den erfassten Strom und die erfasste Temperatur jeder Einheitszelle und eine Kennung jeder der Einheitszellen enthalten, an eine Zustandsberechnungsvorrichtung, die außerhalb des Fahrzeugs vorgesehen und konfiguriert ist, jeden der Zustände der Vielzahl von Einheitszellen zu berechnen. Die Zustandsberechnungsvorrichtung empfängt die von der Batterieüberwachungsvorrichtung gesendeten Einheitszelleninformationen, berechnet jeden der Zustände der Vielzahl von Einheitszellen auf der Grundlage der empfangenen Spannung, des Stroms und der Temperatur jeder Einheitszelle und sendet berechnete Zustandsinformationen jeder Einheitszelle und die Kennung jeder der Einheitszellen an die Batterieüberwachungsvorrichtung oder eine fahrzeugeigene Steuervorrichtung, die ...

Verfahren zum Betrieb eines Batteriesystems

Die Erfindung betrifft ein Verfahren zum Betrieb eines Batteriesystems (2) mit mehreren Batteriemodulen (4) umfassend mehrere Batteriezellen (8), dadurch gekennzeichnet, dass die Batteriemodule (4) im Entladebetrieb parallel geschaltet werden und im Ladebetrieb seriell geschaltet werden.Darüber hinaus werden ein Batteriesystem (2) und ein Kraftfahrzeug angegeben.

Method for estimating state of charge of battery e.g. lithium-ion battery used in motor car, involves dividing electrochemical cells of battery into several cell groups, so that state of charge of battery is estimated

The battery is provided with n number of electrochemical cells (210) which is divided into several cell groups (220,222,224,226), so that state of charge of battery is estimated.

Fahrzeugbatterie mit einer Funkenentladungskammer und Verfahren zum Betreiben einer Batterie

Die Erfindung betrifft eine Batterie (20) für ein Kraftfahrzeug, wobei die Batterie (20) ein Batteriegehäuse und mehrere in dem Batteriegehäuse angeordnete Batteriezellen (22) aufweist, die in einer Zellenverschaltung (24) elektrisch miteinander verschaltet sind. Die Batterie (20) weist eine Funkenentladungseinrichtung (28) auf, die zwei Elektroden (28a) umfasst, die mit der Zellenverschaltung (24) an zwei unterschiedlichen Stellen (30a, 30b) mit unterschiedlichem elektrischen Potential elektrisch leitend verbunden sind, um eine Funkenstrecke (26) im Falle eines Spannungsdurchschlags bereitzustellen.

Strahlungssystem für Akkumulatoren und sich daraus ergebende Produkte

Verfahren zum Ladezustandsausgleich einer Batterie

Die Erfindung betrifft ein Verfahren zum Ladezustandsausgleich einer Batterie, die mehrere Batterieeinheiten (2-1, 2-2) aufweist. Dabei ist vorgesehen, dass ein Ladezustandswert zumindest einer Batterieeinheit (2-1, 2-2) ermittelt wird, ein Entscheidungswert, ob ein voriger Ladezustandswert der zumindest einen Batterieeinheit (2-1, 2-2) aktualisiert werden kann, ermittelt wird, der vorige Ladezustandswert der zumindest einen Batterieeinheit (2-1, 2-2) aktualisiert wird um einen aktuellen Ladezustandswert der zumindest einen Batterieeinheit (2-1, 2-2) zu erhalten, falls der Entscheidungswert, ob der vorige Ladezustandswert der zumindest einen Batterieeinheit (2-1, 2-2) aktualisiert werden kann, einen Schwellenwert überschreitet, ein Ladezustandsausgleichsbedarfswert anhand des aktuellen Ladezustandswerts ermittelt wird und die zumindest eine Batterieeinheit (2-1, 2-2) auf Basis des ermittelten Ladezustandsausgleichsbedarfswerts entladen wird. Es werden außerdem ein Computerprogramm und ein ...

Vorrichtung zur Überwachung eines elektrischen Energiespeichersystems

Es wird eine Vorrichtung (10) zur Überwachung eines Ladezustandes eines elektrischen Energiespeichersystems mit mindestens einer elektrischen Energiespeichereinheit beschrieben Die Vorrichtung (10) umfasst ein Überwachungsmittel (11) zur Überwachung des elektrischen Energiespeichersystems und/oder der mindestens einen elektrischen Energiespeichereinheit, ein Erzeugungsmittel (12) zur Erzeugung eines Warnsignals, wobei das Erzeugungsmittel (12) eingerichtet ist, bei Unterschreiten eines vordefinierten ersten Ladezustandes des elektrischen Energiespeichersystems und/oder der elektrischen Energiespeichereinheit aktiviert zu werden um ein Warnsignal zu erzeugen, und ein Aktivierungsmittel (13) zur Aktivierung des Erzeugungsmittels (12), wobei das Aktivierungsmittel (13) eingerichtet ist, das Erzeugungsmittel (12) bei Unterschreiten des vordefinierten ersten Ladezustandes zu aktivieren.Weiterhin wird ein entsprechdendes elektrisches Energiespeichersystem mit der Vorrichtung beschrieben.

Verfahren zum Betrieb eines Batteriesystems

Die Erfindung betrifft ein Verfahren zum Betrieb eines Batteriesystems mit mehreren Batteriezellen, umfassend folgende Schritte: Bestimmung der Ausgangsspannungen der einzelnen Batteriezellen zu einem Startzeitpunkt; Ermittlung einer mittleren Zellenspannung aus den bestimmten Ausgangsspannungen der Batteriezellen; Klassifizierung von Batteriezellen, deren Ausgangsspannung zum Startzeitpunkt höher als die mittlere Zellenspannung ist, als gute Zellen; Klassifizierung von Batteriezellen, deren Ausgangsspannung zum Startzeitpunkt geringer als die mittlere Zellenspannung ist, als schlechte Zellen; Übertragung einer Energiemenge von mindestens einer guten Zelle auf mindestens eine schlechte Zelle bis zu einem Endzeitpunkt, wobei die Energiemenge derart bemessen ist, dass zum Endzeitpunkt die Ausgangsspannung der mindestens einen schlechten Zelle höher als die mittlere Zellenspannung ist.

Batteriesystem für ein Elektrofahrzeug, Verfahren zum Betreiben eines Batteriesystems und Elektrofahrzeug

Die Erfindung betrifft ein Batteriesystem (10) für ein Elektrofahrzeug, umfassend eine Mehrzahl von parallel verschaltbaren Batteriesträngen (6), wobei jeder Batteriestrang (6) eine Mehrzahl von seriell verschalteten Batteriemodulen (5) aufweist, und wobei jedes Batteriemodul (5) mindestens eine Batteriezelle aufweist, und eine Hilfsbatterie (20) zum Ansteuern von Heizeinrichtungen (51). Dabei ist jedem Batteriestrang (6) eine separate Heizeinrichtung (51) zum Beheizen aller Batteriemodule (5) des Batteriestrangs (6) zugeordnet, und die Heizeinrichtungen (51) sind derart mit der Hilfsbatterie (20) verbunden, dass die Heizeinrichtung (51) jedes Batteriestrangs (6) unabhängig von den Heizeinrichtungen (51) der übrigen Batteriestränge (6) von der Hilfsbatterie (20) ansteuerbar ist. Die Erfindung betrifft auch ein Verfahren zum Betreiben eines erfindungsgemäßen Batteriesystems (10) und ein Elektrofahrzeug, welches ein erfindungsgemäßes Batteriesystem (10) umfasst, welches mit dem erfindungsgemäßen ...

Method for manufacturing traction battery for e.g. electric vehicle, involves unloading first battery and charging second battery such that electrical energy from unloaded battery is partially supplied to loaded second battery

The method involves loading the batteries successively in a frame after they are unloaded. The first battery (12) is unloaded and second battery (16) is charged such that the electrical energy from the unloaded battery is partially supplied to the loaded second battery. An independent claim is included for apparatus for testing functionality of battery.

Secondary battery with an overcharge protection circuit

Battery charger

Improvements in and relating to vehicular refrigerator systems

A commercial refrigerator vehicle 10 for the transport of refrigerated produce, the vehicle comprising a wheeled chassis 12, a cab 14 mounted on the chassis, an internal combustion engine 44 having an output for driving one or more wheels 46 of the chassis, a refrigerator compartment 16 on the chassis, and a refrigerator system (80, figure 3) for controlling interior temperature of the refrigerator compartment. The refrigerator system includes a refrigeration unit 76 for discharging refrigerated air into the refrigerator compartment, a dedicated rechargeable electrical energy storage device 58 housed in the cab for supplying electrical energy to the refrigeration unit, a vehicle battery pack 50 chargeable directly or indirectly via the internal combustion engine, and a charger 68 for charging the dedicated rechargeable electrical energy storage device via the vehicle battery pack. The charger includes a controller 70 for monitoring an activation status of the internal combustion engine ...

Battery charge control system

Method and apparatus

A pulse discharge system

Battery pack balancing system

Configurable battery module and system

Method and apparatus

Managing power in a portable device comprising multiple batteries

Reconfigurable battery pack

Radiant system in accumulators and resultant product

“Autonomous feeding Attachment at exit of alternating voltage for switchgear.

ELECTRICAL BATTERY WITH AUTONOMOUS NACHFÜLLUNGSUND ACID MIXTURE SYSTEMS

VERFAHREN UND ANORDNUNG ZUR VERÄNDERUNG DES LADE- UND GESUNDHEITSZUSTANDES (SOC, SOH) EINES AKKUMULATORS

A battery ages and wears out less quickly when the same is charged to a high degree. Furthermore, acid layers form on batteries primarily under the effect of gravity on the electrolyte, resulting in a significant reduction of the capacity of the battery. The invention relates to a method and an arrangement for modifying the state of charge and the state of health of batteries, in which a separate electric current (i) is applied individually to at least one cell (Z) of the multicell battery (1), said current (i) being superimposed on an operating current (iA) while acting upon said at least one cell (Z) in order to charge or discharge said cell (Z).

PROCEDURE FOR BALANCED LOADING OF A LITHIUMIONENODER LITHIUM POLYMER BATTERY

VERFAHREN ZUR GEZIELTEN ELEKTROCHEMISCHEN UMSETZUNG IN GALVANISCHEN ZELLEN SOWIE WIEDERAUFLADBARE BATTERIE

INTEGRATED BATTERY PROTECTIVE CIRCUIT

BATTERY LOADING EQUIPMENT

CURRENT BATTERY MODULE, BATTERY, PROCEDURE FOR THE SHOP OF THE MODULE AND VEHICLE WITH SUCH A BATTERY

PROCEDURE FOR THE SHOP OF A MAJORITY OF BATTERIES

Vorrichtung zur Symmetrierung von in Serie geschalteten Batterien und Kondensatoren

Die Symmetrierung von in Serie geschalteten Batterien und Kondensatoren ist sehr wichtig, damit es nicht zur Zerstörung von Zellen oder Elementen kommt. Fig. 1 zeigt drei in Serie geschaltete Batterien (UB1, UB2, UB3). An die mittlere (UB2) sind an der positiven und der negativen Klemme je eine Spule (L1, L2) angeschlossen. Weiters besteht die Schaltung aus drei aktiven Schaltern (T1, T2, T3) und zwei passiven Schaltern (D1H, D2H) deren Kathoden mit dem Pluspol verbunden sind und zwei passiven Schaltern (D1L, D2L), deren Anoden mit dem Minuspol verbunden sind. Werden strombidirektionale aktive Schalter verwendet, so können die Dioden weggelassen werden. Weiters kann jede der Spulen (L1, L2) jeweils noch durch eine weitere Wicklung für Messzwecke versehen sein. Es können die Spulen (L1, L2) auch magnetisch miteinander gekoppelt sein. Weiters besteht die Möglichkeit, dass die Spulen (L1, L2) in je zwei magnetisch miteinander gut gekoppelte Teilspulen (LiA, LiB) aufgeteilt werden.

VERFAHREN ZUR LADUNGSVERTEILUNG

BORDNETZSPEISUNG

Ein Verfahren zur Steuerung der elektrischen Speisung eines mit einem Basisspeicher ausgerüsteten Basis-Bordnetzes eines Fahrzeugs mit Verbrennungsmotor, der mit einer elektrischen Maschine gekoppelt ist. Zwischen der elektrischen Maschine und dem Basis-Bordnetz ist ein Zwischennetz vorgesehen, das mit einem Hochleistungsspeicher ausgerüstet und durch einen spannungswandelnden Koppler mit dem Basis-Bordnetz gekoppelt ist. Die Betriebsweisen der elektrischen Maschine umfassen Leerlaufbetrieb und generatorischen Betrieb. Im generatorischen Betrieb liefert die elektrische Maschine in das Zwischennetz elektrische Energie, im Leerlaufbetrieb liefert sie keine elektrische Energie. Die Entnahme elektrischer Energie aus dem Zwischennetz in das Basis-Bordnetz ist vom Betrieb der elektrischen Maschine steuerungstechnisch entkoppelt. Dies wird dadurch erreicht, dass einerseits die Entnahme elektrischer Energie aus dem Zwischennetz in das Basis-Bordnetz durch Regelung der Spannung im Basis-Bord netz ...

PROCEDURE AND ARRANGEMENT FOR THE CHANGE LADEUND OF STATE OF HEALTH (SOC, SOH) OF AN ACCUMULATOR

Energiespeichersystem

Der Erfindung liegt daher die Aufgabe zu Grunde, ein Energiespeichersystem zu entwickeln, welches auf Fahrradakkus basiert und den Anschluss und die Entnahme dieser Fahrradakkus während des Betriebs des Energiespeichersystems gestattet. Erreicht wird dies bei einem derartigen Energiespeichersystem, bestehend aus mehreren Batteriezellen, dadurch, dass die Batteriezellen zu mehreren Fahrradakkus (3) zusammengefasst sind, welche in ein Gehäuse (1) mit passend geformten Aufnahmeschächten (2) eingeführt sind, wodurch über Kontakte ( 4) eine elektrische Verbindung zur Gleichstromseite (6) einer integrierten bidirektionalen Wechselrichter- und Ladegeräteinheit (5) hergestellt wird. Derartige Energiespeichersysteme werden an die Elektroinstallation von Gebäuden oder technischen Einrichtungen für stationäre Anwendungen angeschlossen und werden zur Speicherung von Energie eingesetzt.

PROCEDURE FOR LOADING AND UNLOADING A BATTERY AND THIS PROCEDURE USING ENERGY SOURCE.

Power tool stystem

C:\Interwovn\NRPortbl\DCC\AAR762017 L.docx-30/04/2019 A power tool includes a housing, a brushless direct current (BLDC) motor including a rotor and a stator having at least three stator windings corresponding to at least three phases of the motor, the rotor being moveable by the stator when the stator windings are appropriately energized within the corresponding phases, each phase being characterized by a corresponding voltage waveform energizing the corresponding stator winding, the motor being configured to operate within an operating voltage range, and a power supply interface arranged to receive at least one of AC powerfrom an AC power supply having a first nominal voltage or DC power from a DC power supply having a second nominal voltage, the power supply interface configured to output the AC power via an AC power line and the DC power via a DC power line. A motor control circuit is provided to receive the AC power line and the DC power line and supply electric power to the motor ...

Multiple chemistry battery systems for electric vehicles

Multiple chemistry battery systems and methods for using such systems in electric vehicles are disclosed. In one embodiment, an example electric vehicle may include a drive motor configured to impart motion to one or more wheels of the electric vehicle, a plurality of batteries configured to power the drive motor, and one or more controllers. The plurality of batteries may include a first battery including a first cell having a first chemistry, and a second battery including a second cell having a second chemistry different from the first chemistry. The one or more controllers may be configured to cause the first battery and the second battery to power the drive motor, and to cause the drive motor to charge the first battery and the second battery.

Power tool system

C:\Interwo n\NRPortbl\DCC\AAR761998_l.docx-30/04/2019 A power tool includes a housing, a brushless direct current (BLDC) motor including a rotor and a stator having at least three stator windings corresponding to at least three phases of the motor, the rotor being moveable by the stator when the stator windings are appropriately energized within the corresponding phases, each phase being characterized by a corresponding voltage waveform energizing the corresponding stator winding, the motor being configured to operate within an operating voltage range, and a power supply interface arranged to receive at least one of AC powerfrom an AC power supply having a first nominal voltage or DC power from a DC power supply having a second nominal voltage, the power supply interface configured to output the AC power via an AC power line and the DC power via a DC power line. A motor control circuit is provided to receive the AC power line and the DC power line and supply electric power to the motor ...

Battery management system

A two stage energy storage device

Composite oxygen electrode and method

Starting motor

Hybrid power supply device

Power storage device and method for controlling power storage device

A power storage device provided with: a plurality of serially-connected power storage units having at least one cell; cell balance units connected in parallel to each of the power storage units with a switch interposed therebetween; and a controller for charging the plurality of power storage units at a first constant current value, and, when the power storage unit having the highest voltage from amongst the plurality of power storage units reaches a first potential, performing a control so as to connect the power storage unit having the highest voltage with the cell balance unit corresponding to the highest voltage and switch the charging current to a second constant current value which is smaller than the first constant current value.

Power tool system

A power tool system (1) includes a first power tool (10A1) having a first power tool rated voltage, a second power tool (10A2, 10A3, 10B) having a second power tool rated voltage that is different from the first power tool rated voltage, and a first battery pack (20A4) coupleable to the first power tool (10A1) and to the second power tool (10A2, 10A3, 10B). The first battery pack (20A4) is switchable between a first configuration having a first battery pack rated voltage that corresponds to the first power tool rated voltage such that the first battery pack enables operation of the first power tool (10A1), and a second configuration having a convertible battery pack rated voltage that corresponds to the second power tool rated voltage (10A2) such that the battery pack enables operation of the second power tool (10A2, 1OA3, 10B). WO 2015/179318 PCT1US20151031432 -o d 0 a) 4-11 bi u~ > m LIP co co Ia w o (0 ~ a N, 0v< 5o o- C 0) 7E O r,4 0 a Ln t 0 < 0 2 0I MU 0) a Qw uI 4-1 ...

Electrochemical cell comprising an electrodeposited fuel

Provided is a rechargeable electrochemical cell system for generating electrical current using a fuel and an oxidant. The system includes a plurality of electrochemical cells. A controller is configured to apply an electrical current between charging electrode(s) and a fuel electrode with the charging electrode(s) functioning as an anode and the fuel electrode functioning as a cathode, such that reducible metal fuel ions in the ionically conductive medium are reduced and electrodeposited as metal fuel in oxidizable form on the fuel electrode. The controller may selectively apply current to a charging electrode and third electrode between fuel electrodes of separate cells to increase uniformity of the metal fuel being electrodeposited on the fuel electrode. The controller controls a number of switches to apply current to the electrodes and select different modes for the system. Also provided are methods for charging and discharging an electrochemical cell system, and selecting different ...

Battery module and method performed therein

A battery module (140) comprises charging terminals (503, 504) for connecting the battery module (140) to a power source (505), a battery cell arrangement (210), and a DC-to-DC converter (510). A first terminal (501) of the battery cell arrangement (210) is connected to a first charging terminal (503). An input terminal (511) of the DC-DC converter (510) is connected to the second terminal (502) of the battery cell arrangement (210) and another input terminal (512) of the DC-DC converter (510) is connected to the second charging terminal (504). An output terminal (513) of the DC-DC converter (510) is connected to the first terminal (501) of the battery cell arrangement (210). The DC-DC converter (510) converts an input voltage (U3) received at its input terminals (511, 512) to an output voltage (U2) at the output terminal (513) of the DC-DC converter (510). The output voltage (U2) is higher than the input voltage (U3). The battery module (140)may for example be employed as a backup power ...

PROCESS FOR CHARGING INTERCONNECTED BATTERY CELLS, IN PARTICULAR BATTERY PACKS

METHOD OF CHARGING ALKALI METAL POLYMER BATTERIES

... ²²²A method of charging an electrochemical generator having a plurality of ²electrochemical cells. The method includes the step of charging the plurality ²of electrochemical cells such that the total voltage of the generator reaches ²a predetermined voltage level, followed by the steps of selecting a particular ²electrochemical cell and charging the particular electrochemical cell to its ²respective maximum voltage, such that the cathode(s) of the particular ²electrochemical cell is(are) restored to a fully-charged state. Once it has ²been restored to its fully-charged state, the particular electrochemical cell ²is allowed to discharge itself down to a nominal voltage. Each of the ²plurality of electrochemical cells of the generator is selected and charged to ²its respective maximum voltage in turn, according to a predetermined selection ²sequence.² ...

POWER BATTERY MODULE, BATTERY, METHOD FOR CHARGING THE MODULE, AND VEHICLE WITH SUCH BATTERY

L'invention concerne un module de batterie de puissance, comportant des c ellules (10) rechargeables ayant une température nominale de fonctionnement en charge, supérieure à 20°C. Suivant l'invention, le module comporte un cir cuit (50) de gestion de charge des cellules lequel comporte: -deux bornes ex térieures (21, 22) de charge des cellules, dont au moins l'une, appelée deux ième borne de charge, est distincte des bornes (23, 24) d'utilisation des ce llules, -des premiers moyens (53, 54) d'interruption / connexion entre ladit e deuxième borne (21, 22) de charge et l'une des bornes (23, 24) d'utilisati on, -des deuxièmes moyens (60) de liaison entre les bornes (21, 22) de charg e et l'organe (33) de chauffage pour relier, au moins dans la première posit ion d'interruption, les bornes (21, 22) de charge à un organe (33) de chauff age des cellules.

LITHIUM ION SECONDARY BATTERY, BATTERY PACK, HYBRID ELECTRIC VEHICLE, BATTERY PACK SYSTEM, AND CHARGE-DISCHARGE CONTROL METHOD

A lithium ion secondary battery (100) has a property of securing a flat charge-discharge capacity range (FC) in which fluctuation of terminal voltage is 0.2 V or lower in both the cases where the battery is charged and discharged with electric current having a current value of 1 C over a capacity range of 50% or more of the electric capacity range having a theoretical electric capacity as an upper limit.

CORDLESS TOOL BATTERY HOUSING AND CHARGING SYSTEM

SYSTEM FOR AUTOMATICALLY STORING CYCLES AND CYCLE THEREFOR

Système automatique de stockage de cycles électriques, dans lequel les batteries des cycles (1) sont rechargées par les postes de verrouillage (1). Le circuit électronique de commande de chaque cycle interdit le fonctionnement d'un circuit de recharge de la batterie tant que le cycle n'est pas verrouillé sur le poste de verrouillage.

METHOD AND CONTROL DEVICE FOR OPERATING A BATTERY SYSTEM AND BATTERY SYSTEM

DISCOVERING THE METHOD OF EXTRACTING HYDROGEN GAS FROM WATER AND SAVING HYDROGEN GAS WITH HIGH ENERGY EFFICIENCY

The discovery of the method of extracting hydrogen gas from water and saving the high-energy hydrogen gas is a system used by acid-lead batteries and their electrolyte replacement, which removes hydrogen from the water during charging, and then the electricity consumed for this purpose. The battery float charge mode is stored in the battery by chemical reactions. Also, by reversible reactions, a little more than the hydrogen gas is released into the normal amount of gas from the battery houses. By this method, the practical steps are to finalize the sample during the Gaseous hydrogen is recommended for industry and industry.

BATTERY MODULE FOR STARTING A POWER EQUIPMENT

A battery module comprises a core-shell lithium transition metal oxide as the cathode material and an additive in the electrolyte, wherein the additive is diethylstilbestrol, butanesultone, vinylene carbonate, dimethyl sulfide, or a combination thereof. The battery module exhibits high performance at low temperature and has a maximum pulse discharging current measured at -30 °C of not less than 15% of the maximum pulse discharging current measured at 25 °C over a pulse discharge period of about 5 seconds.

CHARGING STATION FOR CHARGING ELECTRICAL VEHICLES

A charging station (20) adapted for charging electrical vehicles (100) and comprising at least one battery pack (30). The battery pack (30) comprises a plurality of batteries (1) being coupled in series and a control unit (40) adapted for controlling each of the batteries (1) of the plurality of batteries individually. Each battery (1) comprises at least one battery cell (2) with a battery inlet line (8) and a battery outlet line (9), an electrical circuit element (5) arranged to lead from the battery inlet line (8) to the battery outlet line (9) such as to form an electrical path leading around the battery cell (2), and one switch(6 or 7).The one switch (6 or 7) is arranged in one of the battery outlet line (8)and the battery inlet line (9)and is switchable between a first position and a second position. The control unit (40) is connected to the one switch (6 or 7) of each battery (1) and is adapted for controlling the one switch (6 or 7) to switch between the first position, in which ...

EQUILIBRATED CHARGING METHOD FOR A LITHIUM-ION OR LITHIUM-POLYMER BATTERY

Procédé de chargement équilibré d'une batterie lithium-ion ou lithium polymère La présente invention a pour objet un procédé de chargement équilibré de n cellules constitutives d'une batterie lithium-ion ou lithium polymère et associées en série. Procédé caractérisé en ce qu'il consiste à réaliser en permanence, dès le début de l'opération de charge de la batterie (2) et tout au long du déroulement de cette opération, une surveillance des niveaux de charge des différentes cellules (1), et à effectuer, en fonction de l'évaluation préalable desdits niveaux de charge, soit une alimentation uniforme de toutes les cellules (1), soit un équilibrage desdits niveaux de charge desdites cellules (1) en alimentant ces dernières de manière différenciée en fonction de leurs niveaux de charge courants.

EQUILIBRATED CHARGING METHOD FOR A LITHIUM-ION OR LITHIUM-POLYMER BATTERY

Procédé de chargement équilibré d'une batterie lithium-ion ou lithium polymère La présente invention a pour objet un procédé de chargement équilibré de n cellules constitutives d'une batterie lithium-ion ou lithium polymère et associées en série. Procédé caractérisé en ce qu'il consiste à réaliser en permanence, dès le début de l'opération de charge de la batterie (2) et tout au long du déroulement de cette opération, une surveillance des niveaux de charge des différentes cellules (1), et à effectuer, en fonction de l'évaluation préalable desdits niveaux de charge, soit une alimentation uniforme de toutes les cellules (1), soit un équilibrage desdits niveaux de charge desdites cellules (1) en alimentant ces dernières de manière différenciée en fonction de leurs niveaux de charge courants.

BATTERY MANAGEMENT SYSTEM

A battery management system for monitoring a plurality of interconnected batteries comprises a plurality of interconnected modules arranged for connection to respective ones of the batteries. Each module comprises a negative terminal connector, a positive terminal connector, a voltage sensor for measuring voltage between the terminals, a communication port arranged to communicate the sensed voltage to other modules, and a controller arranged to selectively connect a resistive element between the negative terminal connector and the positive terminal connector of the respective battery responsive to the sensed voltage being greater than sensed voltages of other modules. A temperature sensor on each module measures a temperature through the terminal of the battery for communication to the system. A printed circuit board, arranged to be supported directly on one of the battery terminals, commonly supports the voltage sensor, the temperature sensor and the communication port thereon.

ENERGY STORAGE SYSTEM CHARGER WAKE-UP

In an embodiment, an energy storage system includes one or more storage cells, charge/discharge circuitry, and charger wakeup circuitry. After the storage cells become depleted below an energy level threshold, the charge/discharge circuitry disconnects the storage cells from a main circuit associated with the storage system. The charger wakeup circuitry allows a limited amount of current to bypass the charge/discharge circuitry in order to present a current-limited voltage from the storage cells at the terminals. The voltage presented at the terminals is pulsed on and off when an external device is connected across the terminals. The voltage presented to the terminals is detected by the external device. After detecting the voltage, the external device performs an operation in response to detecting the condition.

METHOD OF OPERATING ELECTROCHEMICAL CELLS COMPRISING ELECTRODEPOSITED FUEL

An electrochemical cell system and a process for operating the same, the system having at least two fuel electrodes for receiving electrodeposited metal fuel; at least one oxidant electrode spaced apart from the fuel electrode; at least one charging electrode; an ionically conductive medium communicating the electrodes of the electrochemical cell system for conducting ions to support electrochemical reactions at the fuel, oxidant, and charging electrodes; and, one or more controllers configured to operate the cell system in discharging and charging modes and monitor a state of charge for each fuel electrode. The controllers may assign each fuel electrode in a discharging unit having a state-of-charge meeting a predetermined depletion criteria from the discharging unit to the charging unit, and each fuel electrode in the charging unit having a state-of-charge meeting a predetermined loading criteria from the charging unit to the discharging unit.

POWER STORAGE DEVICE, POWER STORAGE CONTROL DEVICE, AND POWER STORAGE CONTROL METHOD

Provided are: an electricity storage device wherein the load on cells is suppressed when uniforming the voltages of the cells; an electricity storage control device; and an electricity storage control method. The present invention includes: a plurality of cells that is connected in series; a serial resonance circuit that includes a reactor and a capacitor; and an electricity storage control device that controls the connection states between the cells and the serial resonance circuit. The electricity storage control device makes the same number of cells transmit and receive energy to and from each other via the serial resonance circuit.

IMPROVEMENTS IN AND RELATING TO A VEHICULAR REFRIGERATOR SYSTEM

There is provided a commercial refrigerator vehicle(10; 110) for the transport of refrigerated produce, the commercial refrigerator vehicle (10; 110) comprising a wheeled chassis(12; 112), a cab (14; 114) mounted on the wheeled chassis (12; 112), an internal combustion engine(44; 144) having an output for driving one or more wheels (46) of the wheeled chassis(12; 112), a refrigerator compartment (16) on the wheeled chassis (12; 112) for the storage of produce to be refrigerated, and a refrigerator system (80) for controlling interior temperature of the refrigerator compartment(16). The refrigerator system (80) includes a refrigeration unit(76; 176)for discharging refrigerated air into the refrigerator compartment (16), a dedicated rechargeable electrical energy storage device (58; 158) housed in the cab (14; 114) for supplying electrical energy to the refrigeration unit (76; 176), a vehicle battery pack (50; 150) chargeable directly or indirectly via the internal combustion engine(44; 144 ...

BATTERY SYSTEM OF AN ELECTRIC VEHICLE

A method of operating an electric vehicle having a battery system with a first battery module and a second battery module includes sending a triggering signal. And, in response to the triggering signal, selectively dissipating energy from the first battery module without dissipating energy from the second battery module.

LITHIUM ION SECONDARY BATTERY, BATTERY PACK, HYBRID ELECTRIC VEHICLE, BATTERY PACK SYSTEM, AND CHARGE-DISCHARGE CONTROL METHOD

A lithium ion secondary battery (100) has a property of securing a flat charge-discharge capacity range (FC) in which fluctuation of terminal voltage is 0.2 V or lower in both the cases where the battery is charged and discharged with electric current having a current value of 1 C over a capacity range of 50% or more of the electric capacity range having a theoretical electric capacity as an upper limit.

RECHARGEABLE BATTERY SYSTEMS AND RECHARGEABLE BATTERY SYSTEM OPERATIONAL METHODS

Rechargeable battery systems and rechargeable battery system operational methods are described. According to one aspect, a rechargeable battery system includes a plurality of rechargeable battery cells coupled between a plurality of terminals and charge shuttling circuitry configured to couple with and shuttle electrical energy between individual ones of the rechargeable battery cells, and wherein the charge shuttling circuitry is configured to receive the electrical energy from one of the rechargeable battery cells at a first voltage and to provide the electrical energy to another of the rechargeable battery cells at a second voltage greater than the first voltage.

POWER TOOL AND BATTERY PACK FOR USE IN THE POWER TOOL

A power tool includes: a battery cell group including a plurality of secondary battery cells; a motor to which an electric power is supplied from the battery cell group through a switching element and a trigger switch; a current detector detecting a current value flowing in a current path; and a controller configured to receive a detection signal from the current detector and controls on/off operation of the switching element. If the current detector detects that the current value flowing in the battery cell group continuously exceeds a given value for a first time period, the controller conducts one of alarm display and alarm control for allowing an operator to recognize that a high load operation continues. If the current value continuously exceeds the given value for a second time period longer than the first time period, the controller turns off the switching element to interrupt the current path.

SHORT DETECTION IN BATTERY CELLS

Internal shorts and other failures in lithium-ion battery cells may be detected during balancing of the battery cells. A counter may-be used to detect when a battery cell is behaving differently than other battery cells by balancing more or less frequently. The counter may increment each time a battery cell is balanced to the other battery cells. A misbehaving battery cell may be flagged, when the counter exceeds a threshold value, for safety checks before an overheating event occurs. This misbehaving battery cell may be faulty due to an internal short. If the faulty battery cell is not corrected by replacement with a different battery cell or corrected by a user resetting the counter, the misbehaving battery cell may be disconnected to prevent the overheating event.

WIRELESS BATTERY AREA NETWORK FOR SMART BATTERY MANAGEMENT

A Wireless battery area network permits the wirelessly monitoring and controlling of individual batteries within large-scale battery applications. The system automatically configures its wireless nodes in the network and provides for the linking of a plurality of batteries (10) to a master battery management unit (M-BMU) (100) by establishing a wireless battery area network within a battery pack that include slave units (S-BMU) (210). The entire system may also be controlled by a top level battery management unit (T-BMU) (510). The system and method allows for the monitoring of voltage, current, temperature, or impedance of individual batteries and for the balancing or bypassing of a battery.

METHOD FOR CHARGING A BATTERY AND BATTERY THUS CHARGED

L'invention concerne un procédé de charge d'une batterie à cellules rechargeables. Suivant l'invention, pour effectuer la i-ème charge de la batterie, avec i = 2, la connexion détectée des bornes de charge au chargeur déclenche la connexion de cellules à leur circuit de contournement pendant une durée (TPji) de contournement préemptif. Puis, pour chaque cellule, pendant une deuxième phase (Cji), le circuit de contournement est déconnecté de la cellule jusqu'à ce que la tension de la cellule atteigne une tension prédéterminée, la durée (TPji) de contournement préemptif pour la i-ème charge ayant été calculée en fonction de la durée totale de connexion, lors d'au moins une charge précédente, du circuit de contournement associé à cette cellule jusqu'à ce que toutes les cellules aient atteint la tension prédéterminée. Au moins une durée permettant de déterminer la première durée (TPji) pour la i-ème charge et/ou ladite durée totale de connexion a été mémorisée dans une mémoire de la batterie ...

POWER RESERVE APPARATUS, POWER SYSTEM, AND ELECTRIC VEHICLE

A power reserve apparatus is disclosed. In one embodiment, the power reserve apparatus comprises a first module including a first set of battery cells and a first inter-cell balance adjustment unit configured to use passive balancing to reduce voltage variance among the first set of battery cells. The power reserve apparatus also comprises a second module including a second set of battery cells and a second inter-cell balance adjustment unit configured to use passive balancing to reduce voltage variance among the second set of battery cells. The power reserve apparatus further comprises an inter-module balance adjustment unit configured to use active balancing to reduce voltage variance among the first and second modules.

VIRTUAL CELL FOR BATTERY THERMAL MANAGEMENT

A system, method, and apparatus for virtual cells for battery thermal management are disclosed. The disclosed method involves sensing, with at least one temperature sensor, a temperature of at least one battery cell in a battery pack. The method further involves sensing, with at least one current sensor, at least one current within the battery pack. Also, the method involves determining, with a battery thermal management system (BTMS) controller, if the temperature of any of the battery cells in the battery pack exceeds a temperature limit (T Limit). Further, the method involves activating, with the BTMS controller, at least one virtual cell to provide current or sink current for at least one of the battery cells in the battery pack that exceeds the temperature limit.

MOBILE CART AND POWER SYSTEM THERFOR

A mobile cart has a battery assembly, which includes an on-board charger for selectively recharging one or more batteries to ensure constant operation of the powered equipment provided on the cart. The battery assembly possesses a removable battery configuration and is operated by a Battery Control System (BCS). The BCS is an intelligent control system for removable batteries and battery cell packs to provide an improved system of charging and discharging the individual batteries.

Elektrisches Gerät

Rechargeable battery

A rechargeable battery (accumulator) has a discharging circuit, which consists of a diode (5, 5', 5'') and a resistor (4, 4', 4''), for each individual cell (1, 2, 3). In consequence, the individual cells are discharged to the same residual charge level before every new recharging process, so that all the cells absorb the same full charge quantity in the same charging time during charging, and the full battery capacity is always available for operational use. ...

Energy Storage System.

Der Erfindung liegt die Aufgabe zu Grunde, ein Energiespeichersystem zu entwickeln, welches auf Fahrradakkus basiert und den Anschluss und die Entnahme dieser Fahrradakkus während des Betriebs des Energiespeichersystems gestattet. Erreicht wird dies bei einem derartigen Energiespeichersystem, bestehend aus mehreren Batteriezellen, dadurch, dass die Batteriezellen zu mehreren Fahrradakkus (3) zusammengefasst sind, welche in ein Gehäuse (1) mit passend geformten Aufnahmeschächten (2) eingeführt sind, wodurch über Kontakte (4) eine elektrische Verbindung zur Gleichstromseite einer integrierten bidirektionalen Wechselrichter- und Ladegeräteinheit hergestellt wird. Derartige Energiespeichersysteme werden an die Elektroinstallation von Gebäuden oder technischen Einrichtungen für stationäre Anwendungen angeschlossen und werden zur Speicherung von Energie eingesetzt.

Electrochemical system for measuring cells of e.g. fuel cells, has buffer unit provided between amplifier and control unit and saving voltage representative of potential difference in simultaneous manner

The system (100) has a differential amplifier (114) connected to terminals of one of a set of electrochemical blocks (102) via inputs of the amplifier to provide voltage representative of potential difference between the terminals, where the voltage is sent to a control unit (106). The control unit converts the voltage into a digital value that is transmitted to a control circuit (104). A buffer unit (116) is provided between the amplifier and the control unit and controlled by the circuit. The buffer unit saves the voltage representative of the potential difference in a simultaneous manner. An independent claim is also included for a method for controlling an electrochemical system.

Elektronische Schaltung zum Durchführen eines Ladezustandsausgleichs zwischen Batteriezellen eines Batteriesystems.

Die vorliegende Erfindung betrifft ein Batteriezellmodul (40) mit mehreren in Reihe zugeschalteten Batteriezellen (C1, C2, Ci, Cn) und eine Ladungszustandsausgleichseinheit (80) zum Durchführen eines Ladungszustandsausgleiches zwischen den Batteriezellen des Batteriezellpacks (50). Bei dem erfindungsgemässen Batteriezellmodul (40) erfolgt der Ladungszustandsausgleich durch Verwendung mindestens eines nicht isolierten DC/DC-Wandlers (70). Die Ladungszustandsausgleichseinheit (80) dient dazu, einem durch die Schaltmatrix (60) selektierten Abschnitt des Batteriezellpacks (50) eine erste elektrische Energiemenge zu entnehmen und im gesamten Batteriezellpack (50) zwischenzuspeichern und die zwischengespeicherte erste elektrische Energiemenge einem weiteren Abschnitt des Batteriezellpacks (50) zuzuführen. Um die Verluste gering und die Ansteuerung einfach zu halten, ist die Schaltmatrix (60) langsam getaktet (weniger als 1 Hz). Ferner ist eine Mess- und Steuereinheit (90) dazu vorgesehen, die ...

- Ship or power plant voltage supply system.

Die Erfindung betrifft ein Schiffsspannungsversorgungssystem (10) zur Versorgung eines elektrischen Verbrauchers eines Schiffs mit einer elektrischen Ziel-Spannung und einer elektrischen Ziel-Energie, mit mehreren Automobil-Traktionsbatteriemodulen (11). Jedes Automobil-Traktionsbatteriemodul (11) weist eine elektrische Ist-Spannung und eine elektrische Ist-Energie auf. Die Automobil-Traktionsbatteriemodule (11) sind abhängig von der elektrischen Ziel-Spannung, der elektrischen Ist-Spannung, der elektrischen Ziel-Energie und der elektrischen Ist-Energie in Reihenschaltungen zu mehreren Traktionsbatteriemodul-Untergruppen (17a, 17b, 17c) und/oder in einer Parallelschaltung zu mindestens einer Traktionsbatteriemodul-Gruppe (12a, 12b, 12c) verschaltet. Ferner betrifft die Erfindung ein Kraftwerksspannungsversorgungssystem.

Verfahren und Steuergerät zum Betreiben eines Batteriesystems sowie Batteriesystem.

Verfahren zum Betreiben eines Batteriesystems (10), das an ein elektrisches Energiesystem (11) anschlossen ist, mit mehreren parallel geschalteten Batteriesträngen (12, 13, 14), die jeweils eine Batterie (15, 16, 17), jeweils einen Umrichter (18, 19, 20) und jeweils einen Transformator (21, 22, 23) aufweisen, wobei jede Batterie (15, 16, 17) abhängig vom Betriebszustand des Batteriesystems (10), in welchem entweder ein Speichern von elektrischer Energie im Batteriesystem (10) oder ein Entnehmen von elektrischer Energie aus dem Batteriesystem (10) gefordert wird, aufladbar und entladebar ist. Jede Batterie (15, 16, 17) weist eine installierte, maximale Ladekapazität und eine im aktuellen Betriebszustand verfügbare Kapazität auf, wobei beim Entladen die aktuell verfügbare Kapazität einem State-Of-Charge der jeweiligen Batterie (15, 16, 17) entspricht, und wobei beim Laden die aktuell verfügbare Kapazität einer Differenz zwischen der maximalen Ladekapazität und dem State-Of-Charge der jeweiligen ...

METHOD FOR CHARGING A BATTERY AND BATTERY THUS CHARGED

Battery control apparatus, vehicle, and battery control method

A battery control apparatus includes: a battery circuit in which a plurality of batteries are connected in series; a plurality of bypass circuits, each of which removes a corresponding battery from the battery circuit; a plurality of switches, each of which switches whether to connect a corresponding battery in series with the other batteries, or to connect the corresponding battery to a corresponding bypass circuit to remove the corresponding battery from the battery circuit; a deterioration detecting section that detects deterioration of each of the plurality of batteries; and a switch control section that controls the plurality of switches to remove, from the battery circuit, the batteries having greater deterioration and connects, in series, the batteries having smaller deterioration.

Battery Charger and Battery Charging Method

Charging is started with charge voltage set to a first voltage value (lower than a normal charge voltage) by a charge voltage change means, the first voltage value being predetermined to ensure that secondary batteries constituting a parallel-arrangement battery pack are charged up to and maintained at a predetermined SOC lower than full charge (between 80 and 90% of full charge). When a charge current detection means detects that charge current has decreased to a predetermined value A 1, the charge voltage is set to a second voltage value (normal charge voltage) higher than the first voltage value by the charge voltage change means, the second voltage value being predetermined to enable the secondary batteries to be charged up to full charge. When a battery SOC detection means detects that at least one of the secondary batteries has reached full charge, charging is terminated.

Battery System And Method

A battery system including a housing that defines an internal volume and a venting system that fluidly couples the internal volume with an atmosphere surrounding the housing and a support structure within the internal volume, the support structure being configured to support a number of battery cell modules in the internal volume.

Method and charging device for charging at least two batteries

A method for charging at least two batteries each having at least one cell is disclosed. During a first charging phase, batteries are charged sequentially to a first charge status and afterwards batteries are charged during a second charging phase sequentially to a second, higher charge status. The first charging phase is begun with the battery having the lowest charge status. In addition, a charging device for carrying out the method according to the invention and a mobile electric appliance including such a charging device are disclosed.

Chargeable battery module of electric car

A chargeable battery module installed in an electric car for driving the electric car includes a compartment for containing a plurality of chargeable batteries, and circuits of each chargeable battery are connected in series or in parallel and installed between each chargeable battery and an upper casing or a lower casing of the compartment, and each chargeable battery is combined for use, and the chargeable batteries including a single chargeable battery or a module of parallelly connected chargeable batteries can be charged easily without requiring a charging protection plate, and all single batteries can be fully charged with a constant voltage to provide the best cycle life of the chargeable batteries and maintain the best battery life for the electric car.

Charge state detection circuit, battery power supply device, and battery information monitoring device

A charge state detection circuit, which detects a state of charge of a battery block in which are parallel-connected a plurality of series circuits of a secondary battery and a cutoff element which assumes a cutoff state of cutting off the charge/discharge path of the secondary battery and a conducting state different from the cutoff state, the charge state detection circuit comprising: an effective battery number detection portion which detects, as the number of effective batteries, the number of cutoff elements in the conducting state from among the plurality of cutoff elements included in the battery block; a capacity information generation portion which, based on the number of effective batteries, generates capacity information related to actual full charge capacity, which is the actual full charge capacity of the battery block; a total current detection portion, which detects as a total current value a current flowing in the entire battery block; an electricity quantity calculation portion, which calculates, as a stored electricity quantity, an electricity quantity stored in the battery block, by integrating the total current value; and a charge state detection portion, which, based on the capacity information and the stored electricity quantity, detects a state of charge, which is a ratio of the stored electricity quantity to the actual full charge capacity.

Semiconductor circuit, battery cell monitoring system, computer readable medium storing diagnostic program and diagnostic method

The present invention provides a semiconductor circuit including: a comparator section that compares discharge sections, each including a first signal line connected to a high potential side of each of a plurality of battery cells that are connected in series, a second signal line connected to a low potential side of each of the plurality of battery cells, a resistance element provided between the first signal line and the second signal line, and a discharge switching element connected in series to the resistance element, wherein the comparator section compares a threshold voltage, set according to a potential difference between a potential of the first signal line and a potential of the second signal line, with a voltage according to a potential between the resistance element and the discharge switching element.

Method And Device For Charging Multiple Battery Packs

A method for charging multiple battery packs is disclosed, which comprises the steps of providing full output power of the power conversion unit to a first battery pack in a charging cycle at the control of a first control signal; monitoring in real-time the charging acceptance of the first battery pack and when the charging acceptance detected is less than the available full output power of the power conversion unit, charging a second battery pack by the remaining output power, i.e. the output power difference between the full available output power and the charging acceptance of the first patent pack, at the control of a second control signal. The service life of battery is extended and the efficiency of the PV module is increased in the system where in the method is implemented. A device for charging multiple battery packs is also disclosed.

Battery pack

An electrical combination including a driver drill capable of producing an average current draw of approximately 20-amps, a circular saw capable of producing an average current draw of approximately 20-amps, and a power tool battery pack operable to supply power to the driver drill and to the circular saw, the battery pack including a plurality of battery cells, the plurality of battery cells each having a lithium-based chemistry.

Energy source system having multiple energy storage devices

System are described that include an energy storage device adapted to store and release energy and an ultracapacitor. The systems include a switching device coupled to the energy storage device to selectively connect and disconnect the energy storage device to a load, and a second switching device coupled to the ultracapacitor and adapted to connect and disconnect the ultracapacitor to the load. The systems may include a sensor adapted to sense the current draw at the load. The first switching device is activated to connect the energy storage device to the load when a rate of change of the current draw at the load is below a threshold, and the second switching device is activated to connect the ultracapacitor to the load when the rate of change of the current draw at the load is greater than or equal to the threshold.

Battery pack and electronic apparatus thereof

A battery pack comprising a plurality of batteries. Each of the batteries includes: a control circuit, for detecting power of the batteries to generate power information; and at least one transmitting interface, for outputting the power information, and for receiving external power or for outputting the power stored in the battery, wherein the control circuit further determines if the external power is utilized to charge the battery according to the power of the batteries.

Interface and monitoring system and method for a vehicle idling control system

An idle control system for a vehicle is provided.

Cell charge management system

A series array of electrochemical cells is charged by first applying a first charging current to the series array, thereby applying the first charging current to each of the cells in the series array. When one of the cells reaches a predefined maximum voltage, the series charging current is ceased. A second charging current is then selectively applied to various of the cells in the series array, topping up each of the cells in the series array. Priority is given to the weakest cell in the array. If there is an idle time for the battery load before the array is connected to a load, then charge is transferred from fully charged cells to weaker cells, thereby reducing charge imbalance among the cells. The array is connected to a load and power is drawn from the series array.

Battery management device and portable computer

The present invention provides a battery management device and a portable computer, the battery management device is for managing the rechargeable battery provided in a portable computer, the portable computer is provided with a charge circuit for charging a battery, the battery management device comprises: a discharge circuit for discharge the battery; a acquiring module for acquire the mode determining parameter; a first determining module for judging whether the battery storage mode is entered according to the mode determining parameter; a first control module for controlling the charge circuit or the discharge circuit to control the amount of electrical charge of the battery so that the amount of electrical charge of the battery is lower than the second amount of electrical charge threshold in the battery storage mode; the performance of the battery when deposited with the amount of electrical charge lower than the second amount of electrical charge threshold is better than the performance when deposited with the amount of electrical charge higher than the second amount of electrical charge threshold. The present invention alleviates the attenuation of the amount of electrical charge capacity of the rechargeable battery of the portable computer.

Apparatus and method for controlling connection of battery packs

Disclosed is an apparatus for controlling the connection of a plurality of battery packs including a switching unit provided on a charge/discharge path of each battery pack to selectively open and close the charge/discharge path, a first control unit provided for each battery pack to determine the state of charge (SOC) of each battery pack and control the opening/closing of the switching unit, and a second control unit to receive the determined SOC of each battery pack from the first control unit, group battery packs having a predetermined range of SOCs, select a group containing a largest number of battery packs, connect the battery packs of the selected group in parallel, charge or discharge the parallel-connected battery packs so that a difference in SOC between the parallel-connected battery packs and the non-connected battery pack falls within a predetermined range, and connect the non-connected battery pack thereto in parallel.

Battery pack

A battery pack has a plurality of assembled batteries connected in parallel. Each of the assembled batteries has a plurality of cells connected electrically. A circulating current in each of the assembled batteries is calculated from an open circuit voltage of the assembled battery that varies according to the number of the cells connected in series, a value indicating a charge state of the assembled battery that varies according to the number of the cells connected in parallel, and an internal resistance of the assembled battery. The number of the cells connected in parallel and the number of the cells connected in series in each of the assembled batteries are numbers determined under the condition that the circulating current should not exceed an allowable current value for the assembled battery.

Vehicle and method for controlling vehicle

A vehicle is provided with a battery, a motor configured to generate the driving force of the vehicle by using electric power stored in the battery, a charger configured to supply the battery with electric power outputted from a power source outside the vehicle, and an ECU configured to control the charged state of the battery when the battery is charged. The ECU calculates an index value indicating the charged state of the battery, and sets the control range of the index value. When a predetermined condition relating to the deterioration of the battery is satisfied, the ECU raises the upper limit value of the index value.

Lithium-based battery pack for a hand held power tool

A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell.

Power source apparatus

The power source apparatus configuration can be changed to adapt to the installation site and environment. The power source apparatus is provided with first equalizing circuits 14 to control remaining charge capacity variation among a plurality of battery units 10 , and second equalizing circuits 24 to control remaining charge capacity variation among all the series-connected battery packs 20 that make up each battery unit 10 . A first equalizing circuit 14 connects each battery unit 10 with an output line OL through a first series circuit made up of a first limiting resistor 15 and first equalizing switch 16 . Remaining charge capacity variation is equalized among all the battery units 10 by the first equalizing circuits 14 , and remaining charge capacity variation between battery packs 20 in each battery unit 10 is controlled by the second equalizing circuits 24 . (Cell balancing is performed quickly and efficiently.)

Hybrid battery and its charging/discharging method

A hybrid battery and its charging/discharging method automatically charges/discharges batteries having different capacities. The hybrid battery includes a plurality of rechargeable batteries; switching elements which are electrically connected to the plurality of rechargeable batteries having high current paths for electrically connecting to one of the high current paths; and a hybrid battery protection circuit electrically connected to the plurality of rechargeable batteries and driven by power supplied by one of the plurality of rechargeable batteries, the hybrid battery protection circuit charging/discharging the plurality of rechargeable batteries in sequence by transmitting an on/off signal to the switching element.

Method and system for use with a vehicle battery

A method and system for use with a vehicle battery pack having a number of individual battery cells, where the method estimates, extrapolates or otherwise determines individual cell resistances. According to an exemplary embodiment, the method and system use a voltage and temperature reading for each of the individual battery cells, as well as a voltage and current reading for the overall battery pack to determine one or more cell resistance values, such as a minimum and maximum cell resistance for the battery pack. This approach relies upon temperature deviations in the battery pack to make assumptions or estimates regarding individual battery cell resistances. By having individual cell resistance values—instead of using an overall pack resistance value and building in a buffer to account for cell variations—better and more accurate cell-level data can be obtained that, in turn, can improve charging, discharging, cell balancing and/or other battery-related processes.

Charging control system

A charging control system is configured to calculate an internal resistance line indicating a relation between a value of a charging current and a value of a voltage of a battery, which voltage occurs when the charging current has flown into the battery, to obtain a maximum inputtable value point S MAX corresponding to a maximum inputtable power/current and a currently-inputted value point S INP corresponding to a charging power/current currently inputted to the battery, these points existing on the calculated internal resistance line. The charging control system is also configured to calculate a point located between the maximum inputtable value point S MAX and the currently-inputted value point S INP , as a target point S TRG corresponding to a target charging power/current point, and to set, based on the calculated target point S TRG , a charging power/current for charging the battery.

Battery pack and battery pack controller

A battery pack includes a plurality of battery units mutually connected in parallel, each including a cell group in which one or two or more secondary cells are connected in series, and a first current control element that is connected in series with this cell group, a first control means that controls the charging/discharging current for each battery unit by controlling the operation of the first current control element included in each of the battery unit; a voltage measurement means that measures the voltage of the cell group or cells included in each of the battery unit, and a diagnosis means that diagnoses a deterioration level or a fault of each battery unit on the basis of the voltage of the cell group or cells measured by the voltage measurement means.

Power Tool and Battery Pack for Use in the Power Tool

A power tool includes: a battery cell group including a plurality of secondary battery cells; a motor to which an electric power is supplied from the battery cell group through a switching element and a trigger switch; a current detector detecting a current value flowing in a current path; and a controller configured to receive a detection signal from the current detector and controls on/off operation of the switching element. If the current detector detects that the current value flowing in the battery cell group continuously exceeds a given value for a first time period, the controller conducts one of alarm display and alarm control for allowing an operator to recognize that a high load operation continues. If the current value continuously exceeds the given value for a second time period longer than the first time period, the controller turns off the switching element to interrupt the current path.

Methods and apparatus for combined thermal management, temperature sensing, and passive balancing for battery systems in electric vehicles

A battery module in accordance with one or more embodiments includes a plurality of electrically connected battery cells and one or more heating devices in contact with each battery cell. Each of the heating devices includes one or more resistive heating elements configured for use in measuring and regulating temperature of the battery cells and for passively balancing electrical charge among battery cells.

Secondary battery pack connection control method, power storage system, and secondary battery pack

A power storage system has a plurality of secondary battery packs and a host device. The secondary battery packs each have: secondary batteries; a charge switch means that turns a charging path to the secondary batteries ON and OFF; a discharge switch means that turns a discharging path from the secondary battery ON and OFF; and a current-limiting means that causes the secondary battery to discharge while limiting the current to, or below, a fixed value. When switching from the secondary battery pack connected to the input/output terminals of the system to a first secondary battery pack in which voltage is higher than in the second secondary battery pack, the host device causes the charge switch means of the second secondary battery pack to turn OFF the charging path while in a state in which the current limiting means of the first secondary battery pack will cause a discharge operation to begin while limiting the flow of current.

Method and system for co-operative charging of electric vehicles

A method and system provide for the cooperative charging of electric vehicles. By using power line communications, chargers of the electric vehicles who are serviced by the same distribution transformer can form self-contained local area networks due to the nature of power line communications (PLCs). Alternatively, or in addition to the PLCs, other communication networks, such as the Internet and local area networks, may be used as part of the communications infrastructure for the chargers. After the chargers of the electric vehicles are coupled to one another through power line communications or traditional communications networks, they can form a logical token ring network. According to this token ring network, a predetermined number of tokens can be assigned within the token ring network for permitting chargers with tokens to charge respective electric vehicles while chargers without tokens must wait until they receive a token to initiate charging.

Power supply system

A power supply system provided with a plurality of battery units, a power converter connected to parallel connection lines and including a bidirectional DC/AC converter circuit or a bidirectional voltage converter circuit, and a master controller for controlling the power converter, wherein the master controller: receives a switch state signal expressing that selection switches are actually closed; causes the power converter to operate after at least a prescribed standard number of the selection switches are closed; calculates target charge/discharge power according to the number of storage battery control units connected to the power converter on the basis of the switch state signal; and controls the power converter in such a manner that the target charge/discharge power is reached.

Charging unit useful to transform a high plurality of Energy Storage Devices

Disclosed herein are system for managing transformation of large numbers of energy storage devices. Also provided are computer-implemented methods for managing the transformation of a large number of energy storage devices. Also provided are charging units to transform high plurality of energy storage devices to substantially charged state.

Battery pack, method for charging/discharging same, and power consumption device

Provided is a method for charging/discharging a battery pack having an auxiliary charging/discharging device and a battery assembly in which a plurality of secondary battery cell parallel modules, each of which includes a plurality of fasecondary battery cells connected in parallel, are connected in series, the method including, when there is no abnormality in the secondary battery cells during charging/discharging, connecting the auxiliary charging/discharging device in parallel to any of the secondary battery cell parallel modules, and when there is an abnormality in any of the secondary battery cells during charging/discharging, releasing connection to the secondary battery cell at which the abnormality has arisen in the secondary battery cell parallel module including the secondary battery cell at which the abnormality has arisen, and connecting the auxiliary charging/discharging device in parallel to the secondary battery cell parallel module including the secondary battery cell at which the abnormality has arisen.

Apparatus and method for variably controlling disconnection of interconnection lines in battery system

Disclosed are an apparatus and method for variably controlling the disconnection or connection of switch connections between battery units in a large battery system based on the degree of a sensed dangerous external situation to convert the battery system into a small capacity and low voltage state. The apparatus includes: switches provided to interconnection lines between battery assembly units to electrically connect or disconnect the interconnection lines; a switch control module adapted to apply on/off signals to the switches; and a disconnection control module adapted to control the switch control module based on a sensed dangerous level to vary the position and number of the target switches to be opened or closed and the disconnection intervals. According to the apparatus and method, dangerous external situations of a large battery system can be sensed and the disconnection of physical connections between the battery units can be variably controlled.

Battery system, controlling method of the same, and power storage system including the battery pack

A battery system, a method of controlling the battery system, and an energy storage system including the battery system are disclosed. The method of controlling the battery system includes steps of selecting one of the plurality of batteries by using a multiplexer; measuring a voltage of the selected battery; and calculating a charging capacity of the battery based on the measured voltage. Accordingly, cell balancing may be efficiently performed.

THERMAL MANAGEMENT SYSTEM FOR A BATTERY SYSTEM

A battery system includes a plurality of electrochemical cells provided within a housing. The battery system also includes a thermal management system configured to provide at least one of heating or cooling to the electrochemical cells. The thermal management system includes a solid state coating having a first metal and a second metal different from the first metal. The solid state coating is configured to pass a current therethrough to create a temperature differential across a first surface of the solid state coating and a second surface of the solid state coating to provide the at least one of heating or cooling to the cells. 1. A battery system comprising:a plurality of electrochemical cells provided within a housing; anda thermal management system configured to provide at least one of heating or cooling to the electrochemical cells, the thermal management system comprising a solid state coating comprising a first metal and a second metal different from the first metal, wherein the solid state coating is configured to pass a current therethrough to create a temperature differential across a first surface of the solid state coating and a second surface of the solid state coating to provide the at least one of heating or cooling to the cells.2. The battery system of claim 1 , wherein the solid state coating is provided external to the housing of the battery system.3. The battery system of claim 2 , wherein at least a portion of the housing of the battery system is contoured to complement at least a portion of the electrochemical cells provided therein.4. The battery system of claim 2 , wherein the solid state coating covers a portion of the housing of the battery system.5. The battery system of claim 2 , wherein the solid state coating covers a complete side of the housing of the battery system.6. The battery system of claim 2 , further comprising a fan provided within the housing of the battery system claim 2 , wherein the fan is configured to aid in thermal ...

Battery pack

A battery pack including a housing connectable to and supportable by a hand-held power tool; a first battery cell defining a first axis and having opposite first cell ends; a second battery cell defining a second axis and having opposite second cell ends; a third battery cell defining a third axis; and a terminal for electrically connecting the battery pack to the hand-held power tool. The second battery cell and the third battery cell may be arranged with the second axis and the third axis in a common plane, the first battery cell may be arranged with the first axis non-parallel to the common plane and have one remote first cell end. The terminal may be supported on the housing, in the direction of the first axis, between the one first cell end and the common plane and, in a direction of the second axis, between the second cell ends.

Battery control device, battery system, electric vehicle, movable body, power storage device, and power supply device

Each of battery modules is provided with a range determiner and a voltage detector. The range determiner is connected to a battery via a transmission line, and the voltage detector is connected to the battery via a communication line. In the battery, a voltage calculator calculates a terminal voltage of each of battery cells using a determination result of a voltage range of the battery cell by the range determiner. A control value calculator calculates a battery control value using one of a terminal voltage of each of the battery cells detected by the voltage detector and the terminal voltage of the battery cell calculated by the voltage calculator.

Charging system and charging method

[Problem] A charging system and a charging method which make a plurality of power supply circuits for generating electric power of a predetermined power value operate with high conversion efficiency to charge a secondary battery efficiently are provided. [Solution] The charging system includes an output means which supplies electric power, a plurality of electric power generating means which generate electric power of a predetermined power value, a detection means which detects a state of the output means and a control means which controls the plurality of electric power generating means based on the state that the output means has detected.

Method for Starting Up a Battery System Having a DC Voltage Intermediate Circuit

The disclosure presents a method for starting up a battery system having a battery, a DC voltage intermediate circuit which is connected to the battery, and a drive system which is connected to the DC voltage intermediate circuit. The battery has a large number of battery modules which are connected in series and which each comprise a coupling unit and at least one battery cell which is connected between a first input and a second input of the coupling unit. The method comprises a step for decoupling the battery cells of all of the battery modules which are connected in series by outputting a corresponding control signal to the coupling units of the battery modules which are connected in series. All of the battery modules which are connected in series are then bridged at the output end, and therefore an output voltage of the battery is zero.

Battery balancing system and battery balancing method using the same

A battery balancing system for equalizing charge amounts of a plurality of batteries includes a state measuring unit for measuring states of the plurality of batteries, a controller for outputting a switching control signal including a balancing initiation signal and a balancing termination signal with reference to the state information measured by the state measuring unit, and a switch unit for simultaneously connecting the plurality of batteries to a balancing circuit unit in parallel according to the balancing initiation signal and simultaneously releasing the parallel connection according to the balancing termination signal. Therefore, when balancing charge amounts of a plurality of batteries, it is possible to balance all batteries together by using a simple circuit configuration.

STORAGE BATTERY SYSTEM AND METHOD OF RE-CONFIGURING A CONNECTION

A storage battery system, includes a determining unit that compares a degraded state of a plurality of battery cells estimated by an estimating unit with a first predetermined degraded state to determine whether to exchange the battery cell; a calculating unit that calculates an evaluation value to evaluate a health state of a plurality of battery-cell arrays based on a degraded state of the plurality battery cells; and a control unit that controls a first connection unit connected to a degraded battery cell which is determined that exchange is needed, so as to exchange the degraded battery cell with a battery cell different from the degraded battery cell in a direction where an evaluation value becomes equal to or larger than a predetermined threshold. 1. A storage battery system , comprising:a group of battery cells that includes a plurality of battery-cell arrays in which a plurality of battery cells are serially connected to each other, and the plurality of battery-cell arrays are connected to each other in parallel;a first connection unit that exchangeably connects different battery cells that are included in the different battery-cell array of the group of battery cells;an estimating unit that estimates a degraded state of the plurality of battery cells;a determining unit that compares the degraded state of the plurality of battery cells estimated by the estimating unit with a first predetermined degraded state, to determine whether to exchange the battery cell;a calculating unit that calculates an evaluation value to evaluate a health state of the plurality of battery-cell arrays based on the degraded state of the plurality of battery cells estimated by the estimating unit; anda control unit that controls the first connection unit connected to a degraded battery cell which is determined that exchange is needed by the determining unit, so as to exchange the degraded battery cell with a battery cell different from the degraded battery cell in a direction where ...

Controllable energy store and method for operating a controllable energy store

The invention relates to a controllable energy store ( 2 ) with n parallel energy supply branches ( 3 - 1, 3 - 2, 3 - 3 ), wherein n≧1, each said branch having a first energy supply sub-branch ( 3 - 11; 3 - 21; 3 - 31 ) and a second energy supply sub-branch ( 3 - 12; 3 - 22; 3 - 32 ) that is connected in parallel to said first energy supply sub-branch. Each energy supply sub-branch ( 3 - 11; 3 - 12; 3 - 21; 3 - 22; 3 - 31; 3 - 32 ) has at least one energy storing module ( 4 ), each of which comprises at least one electric energy storing cell ( 5 ) with a corresponding controllable coupling unit ( 6 ). The coupling units ( 6 ) disconnect the energy supply sub-branch ( 3 - 11; 3 - 12; 3 - 21; 3 - 22; 3 - 31; 3 - 32 ) or bridge the respective corresponding energy storing cells ( 5 ) or connect the respective corresponding energy storing cells ( 5 ) into the respective energy supply sub-branch ( 3 - 11; 3 - 12; 3 - 21; 3 - 22; 3 - 31; 3 - 32 ) dependent on control signals. The energy storing cells ( 5 ) of the energy storing modules ( 4 ) in the first energy supply sub-branch ( 3 - 11; 3 - 21; 3 - 31 ) and the energy storing cells ( 5 ) of the energy storing modules ( 4 ) in the second energy supply sub-branch ( 3 - 12; 3 - 22; 3 - 32 ) are arranged in an anti-parallel manner.

Dynamic pressure control in a battery assembly

Operating a battery assembly that includes one or more rechargeable battery cells includes: monitoring one or more operational parameters of the battery cells; and dynamically controlling pressure applied to the one or more battery cells based at least in part on one or more of the monitored operational parameters.

Electrical storage system and mobile body

An electrical storage system includes: a plurality of electrical storage portions that are connected parallel to each other; a measurement portion that measures the full charge capacity of each of the electrical storage portions while switching an electrical storage portion that is a measurement target among the electrical storage portions; and a charge and discharge control portion that performs charge and discharge control on the electrical storage portions. The charge and discharge control portion makes other electrical storage portion other than the measurement target perform charge or discharge in a period of time during which the measurement portion measures the full charge capacity of the electrical storage portion that is the measurement target.

Information processing device

Provided is an information processing device capable of easily determining the number of times of charge/discharge of each of a plurality of secondary battery packs, the information processing device including a charge/discharge execution unit ( 21, 22, 23 ) having the following configuration. That is, the charge/discharge execution unit ( 21, 22, 23 ) determines the number of times of charge/discharge of each of a plurality of secondary battery packs ( 11, 12, 13 ) based on: the number of times a fully-charged state of the secondary battery pack is detected when the charge to the secondary battery pack is executed; the number of times an intermediate state in which the remaining capacity of the secondary battery pack becomes equal to a predetermined value between the maximum remaining capacity value in the fully-charged state and a remaining capacity of zero is detected when the discharge from the secondary battery pack is executed; and the number of times a remaining capacity near-zero state in which the remaining capacity of the secondary battery pack becomes equal to a near-zero value closer to the remaining capacity of zero than the predetermined value is detected when the discharge from the secondary battery pack is executed.

Apparatus, method and article for providing vehicle diagnostic data

A network of collection, charging and distribution machines collects, charges and distributes portable electrical energy storage devices (e.g., batteries, supercapacitors or ultracapacitors). Vehicle diagnostic data of a vehicle using the portable electrical energy storage device is stored on a diagnostic data storage system of the portable electrical energy storage device during use of a respective portable electrical energy storage device by a respective vehicle. Once the user places the portable electrical energy storage device in the collection, charging and distribution machine, or comes within wireless communications range of a collection, charging and distribution machine, a connection is established between the collection, charging and distribution machine and the portable electrical energy storage device. The collection, charging and distribution machine then reads vehicle diagnostic data stored on the diagnostic data storage system of the portable electrical energy storage device and provides information regarding the diagnostic data.

Battery pack, method of charging the same, and vehicle including the same

A battery pack, a method of charging the same, and a vehicle including the same. The battery pack includes: a battery cell for storing electric power; and a Battery Management System (BMS) for controlling charging or discharging the battery cell, wherein, in order to charge the battery cell, the BMS increases a charge current in a first period of time, decreases the charge current in a second period of time, and increases the charge current again in a third period of time.

Method for controlling a battery, and battery for carrying out the method

A method is used for controlling a battery having at least one battery module line with a plurality of battery modules that are connected in series. Each battery module has at least one battery cell, at least one coupling unit, a first connection, and a second connection. Each battery module is configured to assume one of at least two switching states dependent on a control of the coupling unit. The different switching states correspond to different voltage values between the first connection and the second connection of the battery module. The method includes determining a ranking among the battery modules. The method also includes engaging the battery modules in a supply of a desired output voltage of the battery module line using the ranking. The battery modules compare respective battery module operating states among one another and determine the ranking on the basis of the comparison.

Electric storage apparatus and power path switch apparatus

An electric storage apparatus includes: an electric storage device; a potential difference measuring unit for measuring a potential difference at two arbitrary points on a charging/discharging path for the electric storage device; a self-holding switch disposed between the two points on the charging/discharging path; a current measuring unit for measuring a current flowing on the charging/discharging path; a switch controller for controlling switching of the self-holding switch based on at least the state of the electric storage device; and an operational state determining unit for determining the operational state of the self-holding switch based on the control state of the switch controller and at least one of a result measured by the potential difference measuring unit and a result measured by the current measuring unit.

Hybrid-type rechargeable battery module

Disclosed herein is a hybrid-type rechargeable battery module that includes a first cell block, a second cell block, a first switch, a second switch and a control unit. The control unit is configured to obtain the statuses of the first and second cell blocks and control the charging/discharging process of the first and second cell blocks. The first switch is electrically connected to the first cell block and the control unit so as to use the control unit to allow the first cell block to enter a discharging condition based on a difference value between the first and second electric capacities. The second switch is electrically connected to the second cell block and the control unit so as to use the control unit to allow the second cell block to enter a discharging condition based on the difference value between the first and second electric capacities.

CURRENT DIVERTING DEVICE, A METHOD AND A COMPUTER PROGRAM PRODUCT

Disclosed is a current diverting device adapted to be electrically connected with a battery pack arranged to power a machine including at least a first operating unit. The battery pack includes a positive and a negative pole and a plurality of battery cells interconnected between the poles such that at least two battery cells are connected in series for providing a higher battery pack voltage level, and is further arranged to feed electricity to the at least one first operating unit via the battery poles. Also disclosed is a method and a computer program product. 1. A current diverting device adapted to be electrically connected with a battery pack arranged to power a machine comprising at least a first operating unit , the battery pack comprising a positive and a negative pole and a plurality of battery cells interconnected between the poles such that at least two battery cells are connected in series for providing a higher battery pack voltage level , the battery pack being arranged to feed electricity to the at least one first operating unit via the battery poles , wherein the current diverting device comprises a connection module adapted to be electrically connected with at least one subgroup of battery cells in the battery pack , and to allow feeding electricity having a second , subgroup voltage level from the subgroup of battery cells to at least one second operating unit within the machine through the current diverting device.2. A current diverting device according to claim 1 , wherein the current diverting device is adapted to allow feeding electricity from the subgroup of battery cells to the second operating device while the battery pack simultaneously feeds electricity to the first operating unit.3. A current diverting device according to claim 1 , wherein the connection module is adapted to be electrically connected with at least two subgroups of battery cells claim 1 , and the current diverting device comprises a control module adapted to periodically ...

Battery System Control Method

The entire voltage of batteries is transmitted to a higher-ranking controller as information. The higher-ranking controller gives a discharge instruction or the like to a lower-ranking controller having a voltage higher than those of the other controllers. Thus, voltage variation of the respective batteries is balanced.

Voltage equalization apparatus for connecting power storage unit racks and power storage system including the same

The present disclosure describes a voltage equalization apparatus for equalizing voltages of adjacent power storage unit racks included in a power storage system. The voltage equalization apparatus according to the present disclosure includes a resistor to which a current flowing from a high-voltage unit rack to a low-voltage unit rack is applied; and a circuit breaker for voltage equalization installed on a line through which the current flows.

HOUSING ASSEMBLY, SECONDARY BATTERY COMPRISING AT LEAST TWO SECONDARY CELLS AND SAID HOUSING ASSEMBLY, AS WELL AS A METHOD FOR MANUFACTURING THE HOUSING ASSEMBLY

A housing assembly () for a secondary battery (), comprising 1. A housing assembly for a secondary battery , comprisinga receiving space which is designed to receive at least one secondary cell,at least one wall which is designed to delimit the receiving space,wherein the at least one wall comprises:a functional device which is designed to enable and/or assist the release of energy from the at least one secondary cell, which is designed for the operative connection to the at least one secondary cell,a first support element which is designed to support the at least one functional device, wherein the first support element is formed from a fiber-interspersed first polymer material.2. The housing assembly according to claim 1 , whereinthe at least one functional device comprises at least one functional element which is connectable to the at least one secondary cell, andthe at least one functional element is designed as a battery terminal, sensor, battery control device, switch element, interconnect device, fluid passage, actuating device, data storage device or communication device.3. The housing assembly according to claim 1 , whereinthe wall comprises an activatable filler material,the activatable filler material is designed to form cavities upon the introduction of activation energy or triggered by one of said functional elements, orto seal the wall upon an independent foreign object penetrating the wall.4. A battery case claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a housing assembly according to , and'}a second housing part, the housing assembly can be detachably connected to the second housing part,', 'the housing assembly comprises a closeable opening through which the at least one secondary cell can be inserted into the receiving space,', 'the opening can be closed by the second housing part., 'wherein'}5. A secondary battery having one of the housing assemblies in accordance with claim 1 , comprising:at least two secondary cells, each ...

Matrix-type flexible charging pile and a charging method capable of dynamically allocating power

A matrix-type flexible charging pile and a charging method capable of dynamically allocating power are disclosed in the present invention, and the method comprises the steps of: S1, connecting each charging terminal to a corresponding electric vehicle; S2, receiving a charging power demand of the electric vehicle and comparing the charging power demand; S3, calculating the number of charging modules required to be additionally allocated to the present DC-bus and delivering it to a matrix controller; and S4, allocating the required number of charging modules in a dynamic power region to the corresponding DC bus and switching the module communication line to a corresponding communication bus synchronously. The implementation of the charging method capable of dynamically allocating power can satisfy the electric vehicle charging demands for different energy storage capacities and different charging rates, as well as improve the conversion efficiency and the utilization rate of the charging device further.

Electrical energy store, device and method for operating an electrical energy store

Electrical energy store (1) having at least two electrical energy storage modules (3, 13, 23, 33), a control unit (2), a voltage connection (11) and switching elements (4, 6, 14, 16, 24, 26, 34, 36). In one example, the electrical energy store (1) has a first voltage rail (9) and a second voltage rail (10) that are each connected to the voltage connection (11), and the electrical energy storage modules (3, 13, 23, 33) are configured to be connected to the first voltage rail (9) or to the second voltage rail (10) or to one another by means of the switching elements (4, 6, 14, 16, 24, 26, 34, 36).

Battery pack and electric bike including the same

A battery pack includes a battery, a battery management system (BMS), a charge switch, a discharge switch, and a tilt sensor. The BMS monitors voltage and current states of the battery and control charge and discharge operations of the battery. The charge and discharge switches operate based on control signals from the BMS. The BMS measures a variation in tilt angle of the battery pack or a load based on tilt information sensed by the tilt sensor, and turns off the discharge switch when the tilt angle variation is equal to or less than a first critical value for a preset time period. The load may be an electric vehicle or another type of load.

SYSTEMS AND METHODS FOR ENHANCING THE PERFORMANCE AND UTILIZATION OF BATTERY SYSTEMS

Various systems and methods for enhancing the performance and utilization of a battery system are described. In one method, a configuration schedule for a battery system is determined based on communications received from an external unit and the cells of the battery system are reconfigured according to the determined configuration schedule. In another method, a sequence of one or more pulses is used for energy transfer from or to at least one cell of the battery system, wherein at least one parameter of one of the sequence and the one or more pulses, is varied in a random manner. The above-noted pulse sequence may be utilized while the battery system is not supplying power to an external load. 1. A method of operating a battery system in conjunction with an external unit , the method comprising:determining a configuration schedule for the battery system based on communications received from the external unit;reconfiguring cells of the battery system according to the determined configuration schedule.2. The method of claim 1 , wherein the external unit is an external load and said communications comprise one or more of voltage and current requirements for the external load.3. The method of claim 1 , wherein the configuration schedule is also based on one or more of the state of charge claim 1 , health and age of one or more cells of the battery system.4. The method of claim 1 , further comprising transmitting to the external unit claim 1 , information regarding the battery system.5. The method of claim 4 , wherein the external unit is reconfigured based on the transmitted information.6. A method for managing a battery system claim 4 , said method comprising:utilizing a sequence of one or more pulses for energy transfer from or to at least one cell of the battery system, wherein at least one parameter of one of the sequence and the one or more pulses, is varied in a random manner.7. The method of claim 6 , wherein said pulse sequence is utilized while the battery ...

MOBILE CART AND POWER SYSTEM THEREFOR

A mobile cart has a battery assembly, which includes an on-board charger for selectively recharging one or more batteries to ensure constant operation of the powered equipment provided on the cart. The battery assembly possesses a removable battery configuration and is operated by a Battery Control System (BCS). The BCS is an intelligent control system for removable batteries and battery cell packs to provide an improved system of charging and discharging the individual batteries. 1. A power system for a mobile cart , comprising:a battery assembly comprising one or more rechargeable batteries, a battery support for each respective one of said batteries wherein said battery support is mountable on a mobile cart and said respective battery is removeably engageable with said battery support, said battery assembly including a battery connector for each said battery which is engageable with said battery when said battery is installed on said respective battery support;a battery control system for controlling discharge of said batteries, which has a control unit comprising a controller connected to said battery connector for controlling battery discharge, a power outlet receiving power under the control of said controller and supplying said power to electrical equipment on a mobile cart, wherein discharging of said battery supplies battery power to said power outlet; andsaid controller having a switch that selectively controls which said battery is being discharged to supply said battery power to said power outlet, and said controller communicating with and monitoring a battery charge of each said battery, said controller switching from a first said battery to a second said battery when said battery charge is at a minimum charge or said first battery is removed from said battery support.2. The power system for a mobile cart according to claim 1 , wherein said controller determines if external power is present claim 1 , wherein external power is used to supply power to ...

SYSTEM AND METHOD FOR MONITORING AND BALANCING VOLTAGE OF INDIVIDUAL BATTERY CELLS WITHIN A BATTERY PACK

Systems and methods for a scalable battery controller are disclosed. In one example, a circuit board coupled to a battery cell stack is designed to be configurable to monitor and balance battery cells of battery cell stacks that may vary depending on battery pack requirements. Further, the battery pack control module may configure software instructions in response to a voltage at a battery cell stack. 1. A system for controlling monitoring and voltage balancing of individual battery cells within a battery pack supplying power to a vehicle , comprising:a circuit board; anda controller including executable instructions stored in non-transitory memory to monitor and balance a first actual total number of battery circuits responsive to a first voltage across a voltage divider network and to monitor and balance a second actual total number of battery circuits responsive to a second voltage across the voltage divider network, and additional instructions to adjust a value of an index that directs the controller to sample specific battery cells of a battery cell stack within the battery pack responsive to the first voltage when the first voltage indicates an actual number of populated circuits of the circuit board.2. The system of claim 1 , further comprising additional instructions to adjust the value of the index that directs the controller to sample specific battery cells of a battery cell stack within the battery pack responsive to the second voltage when the second voltage indicates the actual number of populated circuits of the circuit board.3. The system of claim 1 , wherein the voltage divider network is comprised of a first and a second resistor included with the circuit board claim 1 , said first and second resistors connected in series between a first reference and a second reference claim 1 , said first resistor and said second resistor sized to produce a unique voltage representing an actual total number of populated monitoring circuits and voltage balancing ...

Source bootstrap power conversion for the safe and efficient interconnection of homogeneous or heterogeneous energy storage modules

The present disclosure comprises devices and methods used to regulate the power, voltage and/or current out of an individual energy storage module. A plurality of energy storage modules and/or individual interconnected energy storage modules can form an energy storage system when interconnected in series, parallel or series/parallel. The present disclosure also provides a method for storing and delivering energy, comprising providing an energy storage module for boosting the voltage of the energy storage component while delivering power to a load.

METHOD AND SYSTEM FOR BALANCING A BATTERY ASSEMBLY

A method for balancing a battery assembly includes selecting, from a plurality of batteries of the battery assembly in a charging state, one or more batteries based on a status of the plurality of batteries; and controlling charging of the selected one or more batteries for balancing the plurality of batteries. Battery balancing can be energy-efficient and time-efficient. The lifetime of the battery assembly can be extended. 1. A method for balancing a battery assembly comprising:selecting, from a plurality of batteries of the battery assembly in a charging state, one or more batteries based on a status of the plurality of batteries; andcontrolling charging of the selected one or more batteries for balancing the plurality of batteries.2. The method of claim 1 , further comprising obtaining the status of the plurality of batteries.3. The method of claim 1 , wherein controlling the charging of the selected one or more batteries includes prioritizing the charging of the selected one or more batteries to be in an order based on one or more respective voltages across the selected one or more batteries.4. The method of claim 3 , wherein prioritizing the charging of the selected one or more batteries to be in the order based on the one or more respective voltages across the selected one or more batteries includes:charging a first battery of the selected one or more batteries prior to charging a second battery of the selected one or more batteries, in response to a voltage across the second battery being greater than a voltage across the first battery by a difference greater than a target voltage difference.5. The method of claim 3 , wherein prioritizing the charging of the selected one or more batteries to be the order based on the one or more respective voltages across the selected one or more batteries includes:charging a first battery and a second battery of the selected one or more batteries simultaneously, in response to a difference between a voltage across the first ...

System and Method for Operating Batteries Based on Electrode Crystal Structure Change

A battery includes an electrode that exhibits a crystal structure change when lithiated beyond a threshold potential and a battery management system. The battery management system includes a controller configured to, while the battery is online, determine the threshold potential, determine battery operating parameters based on the determined threshold potential, and operate the battery based on the determined battery operating parameters. 1. A battery comprising:an electrode that exhibits a crystal structure change when lithiated beyond a threshold potential; determine the threshold potential;', 'determine battery operating parameters based on the determined threshold potential; and', 'operate the battery based on the determined battery operating parameters., 'a battery management system comprising a controller configured to, while the battery is online2. The battery of claim 1 , wherein the determination of threshold potential includes identifying operating characteristics indicative of an internal state of the electrode.3. The battery of claim 2 , wherein the determination of threshold potential includes:charging the battery to a first potential that is beyond than the threshold potential, discharging the battery from the first potential, and storing a first discharge curve in memory; andcharging the battery to a second potential that is not beyond the threshold potential, discharging the battery from the second potential, and storing a second discharge curve in the memory.4. The battery of claim 3 , wherein the identification of the operating characteristics includes identifying at least one feature present in the first discharge curve that is absent in the second discharge curve.5. The battery of claim 4 , wherein the determination of threshold potential further comprises:performing charge and discharge cycles to a plurality of different cutoff potentials; anddetermining the threshold potential based on corresponding discharge curves from the plurality of charge ...

RACK-TYPE POWER SUPPLY DEVICE

The rack-type power supply device includes a plurality of battery modules each of which accommodates a plurality of secondary battery cells, a rack main body that vertically accommodates battery modules in a horizontal posture like a plurality of steps with gaps between the battery modules, and a plurality of cooling fans that are arranged on a front surface side of the rack main body and blow cooling air into the gaps between battery modules. The rack main body also includes a back-side duct in which cooling air having passed through the gaps flows upward on a back surface side of the battery modules. In addition, rack main body includes an air outlet for discharging cooling air having passed through the back-side duct on a top surface side. The cooling fan is disposed to be shifted from the gap between the battery modules in front view of the rack main body. 1. A rack-type power supply device comprising:a plurality of battery modules each of which accommodates a plurality of secondary battery cells;a rack main body that vertically accommodates the battery modules in a horizontal posture like a plurality of steps with gaps between the battery modules; andcooling fans that are disposed on a front surface side of the rack main body and blows cooling air into each of the gaps formed between the battery modules,whereinthe rack main body includes a back-side duct where cooling air having passed through the gaps flows upward on a back surface side of the battery modules and an air outlet for discharging cooling air having passed through the back-side duct on a top surface side,a number of the cooling fans is less than a number of the battery modules, andeach of the cooling fans is disposed to be shifted from each of the gaps formed between the battery modules in front view of the rack main body.2. A rack-type power supply device comprising:a plurality of battery modules each of which accommodates a plurality of secondary battery cells;a rack main body that vertically ...

CHARGING CIRCUIT

A charging circuit includes a first power source circuit that supplies charging power to secondary batteries; a switch that controls the supply of the power; and a control device that performs switching control of the switch. The control device detects a voltage difference between the secondary batteries before starting charging; starts a timer and starts serial charging of the secondary batteries; on the condition that the voltage difference before the charging has been equal to or larger than a first threshold, if respective voltage values of the secondary batteries have both become equal to or larger than a second threshold before the timer expires, shortens a remaining time on the timer at that time point; and finishes the serial charging of the secondary batteries at the earlier of a time point when the secondary batteries have both become fully charged, or a time point when the timer has expired. 1. A charging circuit , comprising:a power source circuit that supplies charging power to multiple secondary batteries;a switch that controls the supply of the charging power from the power source circuit to the multiple secondary batteries; anda control device that performs switching control of the switch based on respective voltage values of the multiple secondary batteries,wherein:the control device detects a voltage difference among the multiple secondary batteries before starting charging;the control device starts a timer for setting an upper limit of a charging time, and starts serial charging of the multiple secondary batteries;in a condition that the voltage difference among the multiple secondary batteries before the charging is equal to or larger than a first threshold, if the respective voltage values of the multiple secondary batteries all become equal to or larger than a second threshold before the timer expires, the control device shortens a remaining time on the timer at that time point; andthe control device finishes the serial charging of the multiple ...

BATTERY PACK MANAGEMENT SYSTEM AND CONTROL METHOD THEREOF

A battery pack management system includes a controller, an isolation unit, a plurality of battery pack management units, and a plurality of battery packs. The plurality of battery pack management units are connected in series by a first daisy chain, and the plurality of battery pack management units are also connected in series by a second daisy chain. The first daisy chain transmits sampled data that is collected by the battery pack management units from corresponding battery packs and transmits control instructions of the controller. The second daisy chain transmits a failure prompt signal which is generated by a battery pack management unit that detects a failure. A first battery pack management unit and a last battery pack management unit of the plurality of battery pack management units connected in series are connected to the controller through the isolation unit. 1. A battery pack management system , comprising:a controller, an isolation unit, a plurality of battery pack management units, and a plurality of battery packs, wherein:the plurality of battery pack management units are connected in series by a first daisy chain, and the plurality of battery pack management units are also connected in series by a second daisy chain, each of the battery pack management units is used to manage a corresponding battery pack, the first daisy chain is used to transmit sampled data collected by the battery pack management unit from the corresponding battery pack and transmit control instructions of the controller, the second daisy chain is used to transmit a failure prompt signal which is generated by a battery pack management unit that detects a failure; anda first battery pack management unit of the plurality of battery pack management units connected in series and a last battery pack management unit of the plurality of battery pack management units connected in series are connected to the controller through the isolation unit.2. The battery pack management system of ...

System and method for balancing battery cell charge in battery array for electrified machine

A system for balancing battery cell charge in a battery array for an electrified machine is provided. The battery array includes a plurality of individual battery cells, or groups of battery cells. A plurality of cell monitors are in communication with the individual battery cells, or groups of battery cells, with the plurality of cell monitors being powered by the individual battery cells, or groups of battery cells. A battery controller of the system receives information about the individual battery cells, or groups of battery cells, from the plurality of cell monitors. The information traverses the plurality of cell monitors in a first pattern to the battery controller and, after a predetermined period of time or occurrence of a predetermined event, the information traverses the plurality of cell monitors in a second pattern that is different than the first pattern to the battery controller.

Electric device

Provided is an electric device that incorporates a first rechargeable battery (11) and a second rechargeable battery (12) that is lower, in a full charge voltage, than the first rechargeable battery (11). The electric device includes: a first power source circuit (19) that steps down a voltage output by the first rechargeable battery (11) to a first voltage and outputs the first voltage; and a second power source circuit (20) that steps down a voltage output by the second rechargeable battery (12) to a second voltage that is lower than the first voltage and outputs the second voltage.

ELECTRIC ENERGY ALLOCATION BUS SYSTEM AND ELECTRIC ENERGY ALLOCATION METHOD

The present application provides an electric energy allocation bus system, including one or more pairs of electric energy allocation buses, which realizes controllable electric quantity transfer among batteries, power generation devices and electrical loads. The electric energy allocation bus system has an electric energy transfer mode between the batteries and the power generation devices called “valley filling” mode; an electric energy transfer between the batteries and the electric loads called “peak clipping” mode; and an electric energy transfer between the power generation devices and the electric loads called “direct power supply” mode. An electric energy allocation method is further provided to realize the controllable electric energy transfer among batteries, power generation devices and electrical loads. 1. An electric energy allocation bus system , comprising: one or more pairs of electric energy allocation buses , by which a battery , a power generation device and/or an electric load are connected to realize controllable electric quantity transfer among the battery , the power generation device and the electrical load;wherein, 2 or more batteries are provided, and the batteries are grouped in series or grouped in series-parallel which is to group in series after grouped in parallel;the sum of power generation devices and electric loads is 1 or greater than 1;the batteries accessed to the electric energy allocation buses are less than the total number of the batteries;a rated output voltage of the power generation devices accessed to the electric energy allocation buses is less than that of a battery pack;a rated working voltage of the electric loads accessed to the electric energy allocation buses is less than that of the battery pack; andall of the batteries, the power generation devices or the electric loads accessed to the electric energy allocation bus system have switches under unified coordination and control to realize electrical connection with ...

BATTERY MODULE

A battery module includes a cell assembly, where a cell in the cell assembly includes a cell body and a tab; and the battery module further includes: a first fastening band, configured to enclose the cell assembly in a thickness direction of the cell; and a second fastening band, configured to enclose the cell assembly in the thickness direction of the cell, where in a length direction of the cell, a distance between a projection location of the first fastening band and a first end of the cell body is less than or equal to L/4, a distance between a projection location of the second fastening band and a second end of the cell body is less than or equal to L/4, and L is length of the cell body. 1. A battery module , comprising:a cell assembly and a plurality of fastening bands;wherein a cell in the cell assembly comprises a cell body and a tab; andthe plurality of fastening bands comprises a first fastening band configured to enclose the cell assembly in a thickness direction of the cell and a second fastening band configured to enclose the cell assembly in the thickness direction of the cell;wherein, in a length direction of the cell, a distance between a projection location of the first fastening band and a first end of the cell body is less than or equal to L/4, a distance between a projection location of the second fastening band and a second end of the cell body is less than or equal to L/4, and L is length of the cell body.2. The battery module according to claim 1 , wherein the distance between the projection location of the first fastening band and the first end of the cell body is greater than or equal to 2 L/25.3. The battery module according to claim 1 , wherein the distance between the projection location of the second fastening band and the second end of the cell body is greater than or equal to 2 L/25.4. The battery module according to claim 3 , further comprising a housing claim 3 , wherein the housing comprises a casing claim 3 , the casing is provided ...

Batteries for use in implantable medical devices

Multi-cell battery packs can be made safer with certain features that mitigate the consequences of cell failure. Parameters of a cell are monitored to determine when the cell should be disconnected from the pack in case of a fault. The battery is reconfigured to continue operating in a safer mode. An over-charging prevention system reduces the maximum voltage that remaining battery pack can be charged to, so that the cells do not overcharge. Additional circuitry allows the disconnected cell to be periodically reconnected to the battery pack to determine if its conditions have sufficiently improved. The cells also include components for self-powering these cell functions while it is disconnected from the rest of the circuit.

BATTERY PACK AND METHOD FOR CONTROLLING CHARGE OF BATTERY PACK

A battery pack according to the present disclosure includes a battery cell including at least one unit cell, a first connector which is electrically connected to the battery cell, and a second connector which is electrically connected to the battery cell and the first connector, the second connector having a corresponding shape to the first connector to be coupled with the first connector. 1. A battery pack comprising:a battery cell comprising at least one unit cell;a first connector which is electrically connected to the battery cell; anda second connector which is electrically connected to the battery cell and the first connector, the second connector having a corresponding shape to the first connector to be coupled with the first connector.2. The battery pack according to claim 1 , wherein the battery pack comprises a controller to selectively block an electrical connection of the first connector and the second connector or an electrical connection of the first connector and the battery cell based on a charge status of the battery cell.3. The battery pack according to claim 1 , wherein the controller blocks an electrical connection of the first connector and the battery cell when a state of charge (SOC) or a voltage value of the battery cell is higher than or equal to a predetermined reference value claim 1 , and blocks an electrical connection of the first connector and the second connector when the SOC or voltage value of the battery cell is less than the predetermined reference value.4. The battery pack according to claim 1 , further comprising:a first switch connected between the first connector and the second connector to allow or block an electrical connection of the first connector and the second connector in response to the control signal outputted from the controller; anda second switch connected between the first connector and the battery cell to allow or block an electrical connection of the first connector and the battery cell in response to the ...

SPLIT ELECTRIC VEHICLE (EV) BATTERY INCLUDING BOTH A REPLACEABLE AND FIXED PORTION

A battery for a vehicle having a fixed battery pack and a replaceable battery pack. The replaceable battery pack has electronic or mechanical locks to semi-temporarily hold the replaceable battery pack in place. The fixed battery pack is held in place via permanent or semi-permanent fasteners such as bolts. A battery controller controls the replaceable battery pack to power motors of the vehicle before controlling the fixed battery pack to power motors of the vehicle. 1. A battery system , comprising:a fixed battery pack;a replaceable battery pack; and detect electrical characteristics of the fixed battery pack,', 'detect electrical characteristics of the replaceable battery pack,', 'compare the electrical characteristics of the fixed battery pack with the electrical characteristics of the replaceable battery pack, and', 'control either or both of the fixed battery pack and the replaceable battery pack to power one or more motors based on the comparison between the electrical characteristics of the fixed battery pack and the electrical characteristics of the replaceable battery pack., 'a battery controller configured to2. The battery system of claim 1 , wherein:the fixed battery pack has bolts fastened to an enclosure.3. The battery system of claim 1 , wherein:the replaceable battery pack has electrically or mechanically activated locks.4. The battery system of claim 1 , wherein comparing the electrical characteristics of the fixed battery pack with the electrical characteristics of the replaceable battery pack comprises:determining whether the replaceable battery pack or the fixed battery pack are discharged below a charging threshold.5. The battery system of claim 4 , wherein controlling either or both of the fixed battery pack and the replaceable battery pack further comprises:responsive to determining that neither the replaceable battery pack nor the fixed battery pack are discharged below a charging threshold, controlling the replaceable battery pack, but not ...

CHARGE RELATED PROCESSING FOR A PERSONAL TRANSPORTATION SYSTEM WITH REMOVABLE BATTERY

A system includes a first battery in a vehicle. The vehicle is capable of being coupled at least temporarily with a second, removable battery and is powered by at least one of the first or the second battery. The system also includes a controller in the vehicle which is configured to estimate an amount of travel-related charge based at least in part on a pickup and drop off location. It is decided whether to charge the first battery using the second battery based at least in part on the amount of travel-related charge and a measured amount of stored charge in the second battery. If it is decided to do so, the first battery is charged using the second battery. 1. A system , comprising: the vehicle is capable of being coupled at least temporarily with a second, removable battery; and', 'the vehicle is powered by at least one of the first battery or the second, removable battery; and, 'a first battery in a vehicle, wherein estimate an amount of travel-related charge based at least in part on a pickup location and a drop off location;', 'receive an amount of stored charge in second, removable battery;', 'decide whether to charge the first battery using the second, removable battery based at least in part on the amount of travel-related charge and the amount of stored charge in the second, removable battery; and', 'in response to deciding to charge the first battery from the second, removable battery, charge the first battery using the second, removable battery., 'a controller in the vehicle, wherein the controller is configured to2. The system recited in claim 1 , wherein charging the first battery from the second claim 1 , removable battery includes:temporarily pausing the charging of the first battery from the second, removable battery during a vertical takeoff; andtemporarily pausing the charging of the first battery from the second, removable battery during a vertical landing.3. The system recited in claim 1 , further including one or more of the following: a seat ...

BATTERY FOR A MOTOR VEHICLE

A battery for a motor vehicle includes a plurality of battery cells and a housing. The battery cells are arranged within the housing and designed for storing energy and discharging electrical energy. The housing includes at least a first housing element and a second housing element. The first housing element and the second housing element are fixedly connected to each other. The first housing element and the second housing element each include a base surface and two lateral surfaces. The base surface is arranged between the lateral surfaces. A first distance by which the lateral surfaces extends away from the base surface is greater than a second distance by which the lateral surfaces are spaced apart from each other. The base surface and the lateral surfaces of the first housing element have the same dimensions as the base surface and the lateral surfaces of the second housing element. 1. A battery for a motor vehicle , comprising:a plurality of battery cells and a housing, wherein the battery cells are arranged within the housing and configured for storing energy and discharging electrical energy,wherein the housing comprises at least a first housing element and a second housing element, wherein the first housing element and the second housing element are fixedly connected to each other, wherein the first housing element and the second housing element each comprise a base surface and two lateral surfaces,wherein the base surface is arranged between the lateral surfaces,wherein (i) a first distance by which the lateral surfaces extend away from the base surface is greater than a second distance by which the lateral surfaces are spaced apart from each other, and/or (ii) the base surface and the lateral surfaces of the first housing element have the same dimensions as the base surface and the lateral surfaces of the second housing element.2. The battery as claimed in claim 1 , wherein the lateral surfaces extend away in a same direction from the base surface.3. The ...

Method for determining a reference energy profile and device for forming a battery

A method for determining a reference energy profile has comparing a first course and a second course. The first course describes an energy absorption of a first battery during a first charge cycle. The second course describes the energy absorption of the first or a second battery during a second charge cycle which follows after the first charge cycle. The comparison is performed for a plurality of time intervals. The method has determining a deviation between the first and the second course for each of the plurality of time intervals. In addition, the method has determining an amount of electrical energy based on the deviation for each of the time intervals, wherein the amount of electrical energy describes a preset default value of the reference energy profile for an amount of energy to be fed to a battery to be formed during a formation process of the battery to be formed for each of the time intervals.

METHOD AND DEVICE FOR REGENERATING NICKEL METAL HYDRIDE BATTERY

A method for regenerating a nickel metal hydride battery is provided. The nickel metal hydride battery includes a hydrogen absorbing alloy that serves as a negative electrode material and a safety valve that opens when an internal pressure of a battery case is greater than or equal to a predetermined pressure. The method includes connecting a plurality of nickel metal hydride batteries in parallel. Each nickel metal hydride battery is formed by integrating one or more battery cells. The method further includes overcharging the nickel metal hydride batteries by supplying current from a charge unit that is connected in parallel to the nickel metal hydride batteries. The method further includes, when each nickel metal hydride battery is overcharged, restoring a discharge reserve of a negative electrode by releasing at least some of an oxygen gas generated at a positive electrode out of the battery case through the safety valve. 1. A method for regenerating a nickel metal hydride battery , wherein the nickel metal hydride battery includes a hydrogen absorbing alloy that serves as a negative electrode material and a safety valve that opens when an internal pressure of a battery case is greater than or equal to a predetermined pressure , the method comprising:connecting a plurality of nickel metal hydride batteries in parallel, wherein each nickel metal hydride battery is formed by integrating one or more battery cells;overcharging the nickel metal hydride batteries by supplying current from a charge unit that is connected in parallel to the nickel metal hydride batteries; andwhen each nickel metal hydride battery is overcharged, restoring a discharge reserve of a negative electrode of the overcharged nickel metal hydride battery by releasing at least some of an oxygen gas generated at a positive electrode of the overcharged nickel metal hydride battery out of the battery case through the safety valve.2. The method according to claim 1 , wherein the overcharging the ...

JOHNSON AMBIENT HEAT ENGINE

An ambient heat engine that is thermally coupled to its environment is provided. The ambient heat engine includes two complementary electrochemical cells. One cell has a positive voltage temperature coefficient and the other cell has a negative voltage temperature coefficient. The ambient heat engine further includes a controller and an electrical energy storage device. When the ambient temperature increases or decreases, the temperature variation creates a voltage differential between the two cells, and the controller discharges the higher voltage cell and uses a portion of the discharged energy to charge the lower voltage cell. The difference in energy is extracted by the controller and supplied to the electrical energy storage device. The controller includes circuitry for coupling energy from the energy storage device to the cells in order to compensate for self-discharge of the cells which may occur due to electronic leakage and diffusion phenomenon over extended periods of time. 1. An electrochemical conversion system comprising:first and second complementary rechargeable electrochemical cells, the first rechargeable electrochemical cell having a positive voltage temperature coefficient and the second rechargeable electrochemical cell having a negative voltage temperature coefficient; and wherein a voltage differential is created between the first and second complementary rechargeable electrochemical cells upon a variation in a temperature of the system, and', 'wherein the controller operates to extract power from the first and second complementary rechargeable electrochemical cells under the voltage differential created by the temperature variation., 'a controller,'}2. The electrochemical conversion system according to claim 1 , wherein the two complementary rechargeable electrochemical cells are connected in reverse polarity with the controller connected between negative terminals thereof.3. The electrochemical conversion system according to claim 1 , wherein ...

SECONDARY BATTERY SYSTEM WITH PLURAL BATTERIES AND METHOD OF DISTRIBUTING CHARGE/DISCHARGE POWER, ETC.

A secondary battery system including plural batteries, extends the lifetime of each battery, and improves the charge/discharge (energy) efficiency of a whole system is provided. A secondary battery system includes plural batteries individually controllable for charging/discharging, plural PCSs each connected to the corresponding battery and performing charging/discharging to the connected battery, and a battery controller distributing a charge/discharge power value as a whole system to each of the PCSs at a fixed cycle or an arbitrary timing. The battery controller includes a preference order calculator setting a preference order to the plural batteries at each time point based on a deterioration characteristic of each battery related to each SOC thereof, and a distribution rate determining unit distributing the charge/discharge power value to the PCSs in accordance with the preference order. 1. A secondary battery system comprising:a plurality of batteries individually controllable for charging/discharging;a plurality of charging/discharging devices each connected with the corresponding battery, and performing charging/discharging to the connected battery; anda battery controller distributing, to each of the charging/discharging devices, a charge/discharge power value or a current value as a whole system at a fixed cycle or at an arbitrary timing,the battery controller comprising:a preference order calculator setting a preference order to the plurality of batteries at each time point based on a deterioration characteristic of each battery related to an SOC thereof; anda distribution rate determiner distributing the charge/discharge power value or the current value to the charging/discharging devices in accordance with the preference order.2. The secondary battery system including the plurality of batteries according to claim 1 , wherein the battery controller further comprises a charge-necessity-value calculator calculating a charge necessity value based on a ...

DYNAMIC CONTROL OF CONFIGURATIONS OF ELECTRICAL CIRCUITS

Systems and methods for dynamic control of a configuration of electrical circuits are provided. An example system includes a plurality of electric power sources and a plurality of switches configured to connect and disconnect some of the electric power sources. The system may include a controller coupled to the switches. The controller may be configured to enable and disable the switches to cause a change in a configuration of the connections between the electric power sources. The electric power sources can include at least one generator and at least two batteries. The controller can be further configured to cause a change in the configuration to connect the two batteries in series to a load for discharging and connect the two batteries in parallel to the generator for recharging. 120-. (canceled)21. A system comprising:a plurality of rechargeable batteries comprising a first rechargeable battery and a second rechargeable battery;a plurality of switches, the plurality of switches being configured to modify a connection between at least some of the plurality of rechargeable batteries between a series connection and a parallel connection;a load; anda controller coupled to the plurality of switches, the controller being configured to enable and disable the plurality of switches to cause a change in a configuration of connections between the plurality of rechargeable batteries;wherein the plurality of rechargeable batteries are recharged at a lowest voltage capacity associated with the plurality of rechargeable batteries.22. The system of claim 21 , wherein the plurality of switches is further configured to:connect and disconnect at least some of the plurality of rechargeable batteries from each other.23. The system of claim 21 , wherein the load is coupled to an anode of the first rechargeable battery and a cathode of the second rechargeable battery.24. The system of claim 21 , wherein the plurality of switches comprises a metal-oxide-semiconductor field-effect ...

HIGH-ENERGY-DENSITY SECONDARY LITHIUM-ION BATTERY

The present invention provides a high-energy-density secondary lithium-ion battery, including: a lithium-ion cell, a steel shell, a protection IC, an integrated IC, resistors, capacitors, an inductor, a MicroUSB interface, a plastic structural part, a square rigid FR-4 substrate, a circular rigid FR-4 substrate and a metal cap, for integrating three functions of a constant voltage output, charge management and protection, overcharge and overdischarge protection, and overcurrent protection. Compared with the prior art, the large-capacity secondary battery of the present invention can achieve multi-functional integration of the battery, and also can save the space occupied by accessory structural parts of the battery and achieve a high energy density of the battery, and is also conducive to improving the reliability. 221123231231. The high-energy-density secondary lithium-ion battery of claim 1 , wherein the metal cap satisfies M Подробнее

SECONDARY BATTERY CHARGING METHOD THAT SHORTENS CHARGING TIME

A secondary battery charging method that shortens charging time includes a step for introducing a plurality of battery cells onto an activation tray and CC-charging the battery cells; and a step for connecting the plurality of battery cells in parallel. The charging method according to the present invention shortens the time typically required for CV-charging by connecting battery cells in parallel after CC-charging, thus having the effect of replacing CV-charging. 1. A method for charging a plurality of battery cells , the method comprising:placing the plurality of battery cells into an activation tray;charging the battery cells with a constant current; andconnecting the plurality of battery cells in parallel after charging the battery cells with a constant current.2. The method of claim 1 , wherein the connecting of the plurality of battery cells in parallel includes covering the activation tray with a tray cover member.3. The method of claim 2 , wherein a first terminal plate to be connected to first electrode terminals of the plurality of battery cells is installed in the activation tray and a second terminal plate to be connected second electrode terminals of the plurality of battery cells is installed in the tray cover member to connect the plurality of battery cells in parallel.4. The method of claim 1 , wherein the connecting of the plurality of battery cells in parallel eliminates charging of the plurality of battery cells with a constant voltage.5. The method of claim 1 , wherein a time of connecting the plurality of battery cells in parallel is equal to or less than 25 minutes.6. The method of claim 5 , wherein the time of connecting the plurality of battery cells in parallel is equal to or larger than 9 minutes and is equal to or less than 25 minutes.7. A method of activating a secondary battery comprises the method of .8. An activation tray assembly in which a plurality of battery cells are mountable for a transfer and charging of the plurality of ...

POWER SUPPLY CONTROL METHOD AND APPARATUS OF BATTERY MANAGEMENT SYSTEM

Disclosed is a battery management system (BMS) power supply management apparatus and method. The BMS power supply management apparatus includes an optoelectronic element configured to generate a current in response to an optical signal, a conversion element configured to convert the current into a wake-up voltage, and a first switch configured to switch a wake-up signal for a BMS, in response to the wake-up voltage. 1. A battery management system (BMS) power supply management apparatus , comprising:an optoelectronic element configured to generate a current in response to an optical signal;a conversion element configured to convert the current into a wake-up voltage; anda first switch configured to switch a wake-up signal for a BMS, in response to the wake-up voltage.2. The BMS power supply management apparatus of claim 1 , further comprising:a second switch configured to switch a current flowing through the first switch.3. The BMS power supply management apparatus of claim 1 , further comprising:a first resistor connected the optoelectronic element and a battery.4. The BMS power supply management apparatus of claim 3 , further comprising:a second resistor connected to the conversion element and a battery such that the wake-up voltage is applied thereto.5. The BMS power supply management apparatus of claim 1 , further comprising:a controller configured to control the first switch based on the wake-up signal.6. The BMS power supply management apparatus of claim 5 , wherein the controller is configured to supply power to the BMS by shorting the first switch based on the wake-up signal.7. The BMS power supply management apparatus of claim 5 , further comprising:a first control switch configured to control the first switch, in response to a control of the controller.8. The BMS power supply management apparatus of claim 2 , further comprising:a second control switch configured to control the second switch, in response to a control of the controller.9. The BMS power supply ...

PORTABLE DRONE BATTERY CHARGING SYSTEM

A portable drone battery charger that charges a variety of batteries of different capacities as well as voltage levels is provided. The drone battery charger operates from an internal battery and may charge a drone battery multiple times because the capacity of the drone battery charger internal battery is many times larger than the drone battery. 1. A portable charging system for charging a multi-cell drone battery , comprising:a) a system battery configured to power the portable charging system during a portable operation to charge the multi-cell drone battery;b) a recharging circuit for providing, in a system battery recharge operation, the system battery with sufficient charge for powering the portable operation to charge the multi-cell drone battery, the recharging circuit comprising:a power input for receiving power during the system battery recharge operation of the system battery; anda protector coupled between the power input and the system battery, the protector configured to protect the system battery during the system battery recharge operation;c) a charging module coupled to the system battery and configured to receive power from the system battery to charge the multi-cell drone battery in a drone battery charge operation as part of the portable operation, the charging module comprising:a drone battery charge control circuit configured to provide charging control of the multi-cell drone battery during the drone battery charge operation; anda drone battery charging status monitor coupled to the drone battery charge control circuit, the drone battery charging status monitor being configured to control operation of the drone battery charge control circuit based on a multi-cell drone battery status; andd) a drone battery connector configured to connect the multi-cell drone battery to the charging module.2. The portable charging system of claim 1 , further comprising a second drone battery connector configured to connect a second multi-cell drone battery to ...

SOFTWARE MANAGEMENT OF EV BATTERY MODULES

Single, internally adjustable modular battery systems are provided, for handling power delivery from and to various power systems such as electric vehicles, photovoltaic systems, solar systems, grid-scale battery energy storage systems, home energy storage systems and power walls. Batteries comprise a main fast-charging lithium ion battery (FC), configured to deliver power to the electric vehicle, a supercapacitor-emulating fast-charging lithium ion battery (SCeFC), configured to receive power and deliver power to the FC and/or to the EV and to operate at high rates within a limited operation range of state of charge (SoC), respective module management systems, and a control unit. Both the FC and the SCeFC have anodes based on the same anode active material and the control unit is configured to manage the FC and the SCeFC and manage power delivery to and from the power system(s), to optimize the operation of the FC. 1. A computer program product comprising a non-transitory computer readable storage medium having computer readable program embodied therewith , the computer readable program comprising:a first computer readable program configured to manage power delivery from a main fast-charging lithium ion module (FC module) to an electric vehicle (EV),a second computer readable program configured to manage power delivery of a supercapacitor-emulating fast-charging lithium ion module (SCeFC module), which is operable at a maximal charging rate of at least 5 C and within an operation range of 5% at most around a working point of between 60-80% lithiation of the anode active material, to and from the EV and/or to the FC module, and further configured to maintain a state of charge (SoC) of the SCeFC module within the operation range around the working point, anda third computer readable program configured to control the first and second computer readable programs with respect to power delivery from the SCeFC module to the FC module and/or to the EV according to specified ...

AUTOMOBILE, POWER BATTERY PACK EQUALIZATION METHOD AND DEVICE

Disclosed are an automobile, and a power battery pack equalization method and device, the method comprises the following steps: acquiring a high voltage inflection point of the charging curve of a battery cell of the power battery pack and acquiring the capacity of the battery cell according to the high voltage inflection point of the battery cell, and equalizing the battery cell according to the capacity of the battery cell. Hence, equalization management of the power battery pack can be realized, thereby improving the use ratio of the power battery pack and prolonging the service life of the power battery pack. 1. An equalization method for a power battery pack comprising a plurality of cells , the method comprising:obtaining a high voltage turning point of a charging curve of a cell of the power battery pack;obtaining a capacity of the cell according to the high voltage turning point of the cell; andequalizing the cell according to the capacity of the cell.2. The equalization method for the power battery pack according to— claim 1 , wherein obtaining the high voltage turning point of the charging curve comprises:performing a first-order derivation on the charging curve; andobtaining the high voltage turning point according to the first-order derivation.3. The equalization method for the power battery pack according to claim 1 , wherein equalizing the cell according to the capacity of the cell—comprises:obtaining a maximum capacity and an average capacity of the cells of the power battery pack;generating an equalization capacity according to the maximum capacity and the average capacity of the cells; andequalizing the cell according to the equalization capacity.4. The equalization method for the power battery pack according to claim 3 , wherein equalizing the cell according to the equalization capacity comprises:obtaining an equalization current;generating an equalization time according to the equalization current and the equalization capacity; andequalizing the ...

Secondary battery degradation determination device

The secondary battery degradation determination device includes: a plurality of voltage sensors connected to the respective batteries; a discharging circuit connected in parallel to each battery group; and a discharge controller. The discharge controller drives a switching element so as to open and close such that current flowing in the discharging circuit has a pulse shape or the like. Each voltage sensor measures a voltage value of the AC component. On the basis of the measurement value, the internal resistance calculation section calculates an internal resistance, and a determination section determines degradation of the battery on the basis of the internal resistance.

LITHIUM SECONDARY BATTERY PACK, AS WELL AS ELECTRONIC DEVICE, CHARGING SYSTEM, AND CHARGING METHOD USING SAID PACK

A lithium secondary battery pack of the present invention includes: a lithium secondary battery including an electrode body formed of a positive electrode and a negative electrode facing each other and a separator interposed therebetween, and a non-aqueous electrolyte; a PTC element; and a protection circuit including a field effect transistor. The lithium secondary battery has an energy density per volume of 450 Wh/L or more, the lithium secondary battery has a current density of 3.0 mA/cmor less, and a relational expression (1) and a relational expression (2) below are established where A (mΩ) is an impedance of the lithium secondary battery and B (mΩ) is an impedance of the entire circuit unit of the lithium secondary battery pack excepting the impedance A (mΩ) of the lithium secondary battery:

EXTENDING SHELF LIFE OF RECHARGEABLE BATTERIES

A hybrid battery system is provided for extending the shelf-life of rechargeable batteries. The hybrid battery system may contain sets of non-rechargeable and rechargeable batteries respectively. As the rechargeable batteries are discharged (e.g., from self-discharge), the hybrid battery system may utilize the non-rechargeable batteries to maintain the rechargeable batteries at a preferred state of charge. A preferred state of charge may be selected to extend the shelf-life of the rechargeable batteries. Alternatively, a signal may change the preferred state of charge to prepare the rechargeable batteries for use or for other reasons. The hybrid battery system may contain modular components, thereby allowing for easy replacement of defective or otherwise unsuitable non-rechargeable batteries, rechargeable batteries, or supporting electronics.

POWER SUPPLY CIRCUIT, CHARGING-DISCHARGING CIRCUIT AND INTELLIGENT TERMINAL

A power supply circuit, a charging-discharging circuit and an intelligent terminal are provided. The power supply circuit includes a lithium-ion battery unit having a silicon anode and a lithium-ion battery unit having a carbon anode. The lithium-ion battery unit having the silicon anode is connected in series with the lithium-ion battery unit having the silicon anode, cooperatively supplying power to the to-be-powered unit. A battery system of the intelligent terminal is formed by the lithium-ion battery unit having the silicon anode and the lithium-ion battery unit having the carbon anode and supplies power to the to-be-powered unit. Therefore, constant voltage performance of the lithium-ion battery unit having the carbon anode is utilized effectively, and large capacity and large power margin at a low supply voltage of the lithium-ion battery unit having the silicon anode is utilized effectively. 1. A power supply circuit , comprising:a power supply battery unit, comprising a lithium-ion battery unit having a silicon anode and a lithium-ion battery unit having a carbon anode, wherein the lithium-ion battery unit having the carbon anode is connected in series with the lithium-ion battery unit having the silicon anode, and the lithium-ion battery unit having the silicon anode and the lithium-ion battery unit having the carbon anode are configured to cooperatively supply power to a to-be-powered unit.2. The power supply circuit according to claim 1 , wherein the lithium-ion battery unit having the silicon anode comprises:one lithium-ion battery having a silicon anode; ora plurality of lithium-ion battery units having silicon anodes, the plurality of battery units being successively connected in series.3. The power supply circuit according to claim 1 , wherein the lithium-ion battery unit having the carbon anode comprises:one lithium-ion battery having a carbon anode; ora plurality of lithium-ion battery units having carbon anodes, the plurality of battery units ...

Architectural materials having integrated energy storage system

The present invention is generally directed to energy storage systems comprising manufactured architectural materials having electrical battery systems embedded therein. The manufactured materials are generally provided as architectural panels, such as panels useful for interior or exterior cladding for buildings, flooring, countertops, or stairs. The panels comprise at least one battery device or battery assembly that is over-formed by and/or bonded with the architectural material. In preferred embodiments, the panels are formed by flowing a viscous architectural material precursor around the battery device or assembly and curing the precursor so as to solidify the architectural material. The panels may be electrically connected in any number of various arrangements, which can be chosen based on the specific application for the energy storage system.

DISCONNECTION DETECTION DEVICE AND DISCONNECTION DETECTION METHOD

A disconnection detection device includes CR filters, discharge circuits, and a detection unit. The CR filters are provided for respective battery cells of a battery pack in which the battery cells are connected in series. Each of the discharge circuits is connected between the battery cell and the CR filter and discharging the battery cell when cell voltages of the battery cells are made balanced. The detection unit successively discharges two of the battery cells connected in series, successively detects voltages of detection lines detecting contact voltages of the two battery cells after a predetermined time has passed from finish of discharge of each of the battery cells, and detects disconnection of each of the detection lines on the basis of a difference between the two detected voltages. 1. A disconnection detection device comprising:CR filters provided for respective battery cells of a battery pack in which the battery cells are connected in series;discharge circuits each connected between the battery cell and the CR filter and discharging the battery cell when cell voltages of the battery cells are made balanced; anda detection unit successively discharging two of the battery cells connected in series, successively detecting voltages of detection lines detecting contact voltages of the two battery cells after a predetermined time has passed from finish of discharge of each of the battery cells, and detecting disconnection of each of the detection lines based on a difference between the two detected voltages.2. The disconnection detection device according to claim 1 , wherein the detection unit determines that the corresponding detection line is disconnected claim 1 , when an absolute value of the difference between the voltages exceeds a predetermined threshold.3. The disconnection detection device according to claim 2 , wherein the threshold is smaller than a maximum fluctuation width of the cell voltage fluctuatable in one of the battery cells.4. The ...

Voltage balance correction circuit

A voltage balance correction circuit includes multiple voltage correction circuits that correspond one-to-one to multiple electricity storage cells connected in series, and a control circuit that is configured to control the multiple voltage correction circuits based on voltages of the multiple electricity storage cells. The multiple voltage correction circuits include first coils that are connected to the electricity storage cells in parallel, respectively, field-effect transistors that are configured to turns on/off connections of the first coils with the electricity storage cells, respectively, under control of the control circuit, and second coils that are magnetically respectively coupled with the first coils. In the multiple voltage correction circuits, the second coils are connected in parallel.

SECONDARY BATTERY PROTECTION CIRCUIT, SECONDARY BATTERY PROTECTION INTEGRATED CIRCUIT, AND BATTERY PACK

A secondary battery protection circuit for protecting a secondary battery with multiple connected-in-parallel cells, includes a charging fault detection unit for each cell for prohibiting charging of the corresponding cell when overcharging and/or charging over-current for the corresponding cell is detected; a charging control element for each cell for cutting off a charging path for the corresponding cell when the charging of the corresponding cell is prohibited; a detection resistor for each cell inserted in series in the charging path; and a balance control unit for, in order to balance a first charging current flowing in a first charging path for a first cell with a second charging current flowing in a second charging path for a second cell, controlling a difference between the first and second charging currents in a saturation region of the charging control element based on a detection voltage generated by the detection resistor. 1. A secondary battery protection circuit for protecting a secondary battery that has a plurality of cells connected in parallel , the secondary battery protection circuit comprising:a charging fault detection unit configured to prohibit charging of the corresponding cell when at least one of overcharging and charging over-current for the corresponding cell is detected, the charging fault detection unit being provided for each of the cells;a charging control element configured to cut off a charging path for the corresponding cell in the case where the charging of the corresponding cell is prohibited by the charging fault detection unit, the charging control element being provided for each of the cells;a detection resistor that is inserted in series in the charging path, the detection resistor being provided for each of the cells; anda balance control unit configured to, in order to balance a first charging current that flows in a first charging path for a first cell with a second charging current that flows in a second charging path ...

BATTERY BALANCING CIRCUIT BALANCING VOLTAGES BETWEEN BATTERY UNITS WITH A FLY CAPACITOR

A battery balancing method and circuit for balancing the voltages between battery units with a fly capacitor. In a first time period of a switching cycle, the first battery unit is used to charge the fly capacitor or the first battery unit is used to discharge the fly capacitor, depending on which of the first battery unit and the fly capacitor having a larger voltage value; and in a second time period of the switching cycle, the second battery unit is used to charge the fly capacitor or the second battery unit is used to discharge the fly capacitor, depending on which of the second battery unit and the fly capacitor having a larger voltage value 1. A battery balancing method for balancing the voltages of a first battery unit and of a second battery unit with a fly capacitor , comprising:in a first time period of a switching cycle, charging the fly capacitor from the first battery unit or discharging the fly capacitor to the first battery unit, depending on which of the first battery unit and the fly capacitor having a larger voltage value; andin a second time period of the switching cycle, charging the fly capacitor from the second battery unit or discharging the fly capacitor to the second battery unit, depending on which of the second battery unit and the fly capacitor having a larger voltage value.2. The battery balancing method of claim 1 , wherein the operation of balancing the voltages of the first battery unit and of the second battery unit with the fly capacitor comprises a starting phase and a non-starting phase claim 1 , and the battery balancing method comprises:in the starting phase, charging the fly capacitor from the first battery unit in the first time period of each switching cycle and charging the fly capacitor from the second battery unit in the second time period of each switching cycle; andin the non-starting phase, having the voltage of the first battery unit becoming equal to the voltage of the fly capacitor at the end of the first time period ...

BATTERY PACK INCLUDING PLURAL ELECTROCHEMICAL CELLS ENCAPSULATED BY ENCAPSULANT AND METHOD OF MANUFACTURE

Embodiments of encapsulated battery packs, control circuitry, and their methods of manufacture are described. In one such embodiment, a battery pack includes a plurality of electrochemical pouch cells and an elastomeric encapsulant that forms at least one external surface of the battery pack. In another embodiment, a battery pack includes a plurality of electrochemical pouch cells with a portion of an encapsulant disposed between the electrochemical pouch cells and the outer housing. In yet another embodiment, a method of controlling an operation of a system includes using a current threshold of one or more electrochemical cells determined at least in part on at least one of a temperature and a state of charge of the one or more electrochemical cells. 1. A battery pack , comprising:a plurality of electrochemical cells;a battery monitoring unit (BMU) in electrical communication with the electrochemical cells; anda flash memory external to the BMU, the flash memory being configured to load updates into the flash memory with interrupting re-flashing of the BMU, thereby improving security of bootloading.2. The battery pack of claim 1 , wherein the BMU is configured to re-flash using the updates loaded into the flash memory.3. The battery pack of claim 1 , wherein the flash memory is a 128k byte memory device.4. The battery pack of claim 1 , wherein the updates are firmware updates.5. A battery system claim 1 , comprising:a battery system controller; one or more electrochemical cells;', 'one or more voltage sensors associated with the one or more electrochemical cells; and, 'at least one battery pack including a secondary overvoltage protection circuit; and', 'an interlock MOSFET in electrical communication with the secondary overvoltage protection circuit, wherein the secondary overvoltage protection circuit is configured to respond to the one or more voltage sensors sensing an overvoltage condition in the one or more electrochemical cells by causing the interlock ...

POWER PACK AND POWER PACK CIRCUITRY

A multi-level power cell pack switching circuitry having a plurality of first level cell circuits, and additional plurality of cell circuits of consecutively progressing levels, with switching and control configured to facilitate dynamically changing serial and/or parallel connections between cells and cell circuits. 1. A multi-level power cell pack switching circuitry comprising:a plurality of first level cell circuits for connecting a plurality of power cells, each power cell having a positive terminal and a negative terminal, wherein, for each power cell in each of the first level cell circuits, a switch is provided for connecting the positive terminal of that power cell to a positive branching point of that first level cell circuit, wherein, for each power cell in each of the first level cell circuits, a switch is provided for connecting the negative terminal of that power cell to a negative branching point of that first level cell circuit, and wherein a diagonal connection with a switch is provided for connecting the negative terminal of one power cell of two adjacent power cells of said plurality of power cells of that first level cell circuit to the positive terminal of the other power cell of the two adjacent power cells of that first level circuit; and{'sup': 'nd', 'additional plurality of cell circuits of consecutively progressing levels from 2level to Nth level, N being an integer equal to or greater than 2, wherein an Mth level cell circuit of the additional cell circuits, M being an integer equal to or greater than 2 and not greater than N, comprises a plurality of M-1th level cell circuits, each M-1th cell circuit having a positive terminal and a negative terminal,'}wherein that Mth level cell circuit includes a switch to connect a positive terminal of each of the M-1th cell circuits to a positive branching point of that Mth level cell circuit, wherein that Mth level cell circuit includes a switch to connect a negative terminal of each of the M-1th ...

BATTERY PACK AND CHARGING ASSEMBLY

A battery pack is detachably connectable to an electric tool or a charger and includes a housing, a cell group, a first voltage monitoring module, a control module, a second voltage monitoring module and a protection module. The cell group includes a plurality of cells electrically connected to each other. The first voltage monitoring module monitors at least one of the voltage of each cell or the total voltage of the cell group. The second voltage monitoring module monitors the voltage of each cell to detect whether the cells are in an overvoltage state. The protection module is electrically connected to the second voltage monitoring module and when the second voltage monitoring module monitors that any one of the cells is in the overvoltage state, cuts off a charging path formed between the battery pack and the charger. 1. A battery pack detachably connectable to an electric tool or a charger and comprising:a housing;a cell group comprising a plurality of cells electrically connected to each other, wherein the cell group is disposed in the housing;a first voltage monitoring module configured to monitor at least one of a voltage of each of the plurality of the cells or a total voltage of the cell group;a control module electrically connected to the first voltage monitoring module and configured to control a charging process of the cell group;a second voltage monitoring module configured to monitor the voltage of each of the plurality of the cells to detect whether the plurality of the cells are in an overvoltage state; anda protection module electrically connected to the second voltage monitoring module and configured to, when the second voltage monitoring module monitors that any one of the plurality of the cells is in the overvoltage state, cut off a charging path formed between the battery pack and the charger.2. The battery pack of claim 1 , wherein the battery pack further comprises a communication terminal configured to at least transmit a signal of the ...

ELECTROCHEMICAL ENERGY ACCUMULATOR AND METHOD FOR SWITCHING CELLS OF AN ELECTROCHEMICAL ENERGY ACCUMULATOR

The invention relates to an electrochemical energy accumulator and to a method for switching cells of an electrochemical energy accumulator. According to the invention, the following steps are carried out: a first desired value of an output voltage of the energy accumulator is determined, a first probability for switching a first cell is determined, said first probability predefining connection and/or disconnection of the first cell to or from the electromechanical energy accumulator, a first common state of charge threshold value being defined for all cells of the electrochemical energy accumulator in accordance with the first desired value, and the first cell is disconnected independently from the first probability value as long as the charge state lies below the charge state threshold value. 1321222321n. A method for switching cells ( , , , , ) of an electrochemical energy accumulator () comprising the following steps:{'b': 100', '1, 'determining () a first desired value of an output voltage of the energy accumulator (),'}{'b': 200', '3', '21', '22', '23', '2', '1, 'i': 'n', 'determining () a first probability for switching a first cell (, , , , ), said first probability predefining connection or disconnection of the first cell to or from the electrochemical energy accumulator (),'}{'b': 300', '3', '21', '22', '23', '2', '1, 'i': 'n', 'defining () a first common state of charge threshold value for all cells (, , , , ) of the electrochemical energy accumulator () in accordance with the first desired value and independently of the first probability value, and'}{'b': 400', '3', '21', '22', '23', '2, 'i': 'n', 'disconnecting () the first cell (, , , , ) as long as the charge state thereof lies below the charge state threshold value.'}2. The method according to claim 1 , further comprising the steps of:{'b': 500', '1, 'sub': actual', '_', 'total', 'set', '_', 'total, 'determining () a second desired value of the output voltage (V) of the energy accumulator () that ...

Battery, Energy and Simultaneous Data Transfer Systems

New systems, methods and media for simultaneous energy and data transfer are provided. In some aspects of the invention, an energy and data receiver is provided, which may be used to receive data and energy simultaneously. Energy transfer media, which may be transmitted and received by such a receiver unit, are also provided. 1. A system for facilitating efficient , rapid data and energy transfer , comprising:a control system, comprising a data and energy receiver;an energy channeling device;a data channeling device;a transfer medium comprising information and energy carrying sub-units;wherein said information and energy carrying sub-units are configured to hold multiple data and energy states;wherein said data and energy receiver is configured to read data and harvest energy from each information and energy carrying sub-unit with a single act.2. The system for facilitating rapid energy and information transfer of claim 1 , wherein each information and energy carrying subunit of said transfer medium comprises different potential data and energy states claim 1 , and wherein said different potential data and energy states comprise at least a first state and at least a second state.3. The system for facilitating rapid energy and information transfer of claim 2 , wherein said different potential data and energy states comprise at least three different claim 2 , discrete states.4. The system for facilitating rapid energy and information transfer of claim 1 , wherein said different potential data and energy states comprise at least four different claim 1 , discrete states.5. The system for facilitating rapid energy and information transfer of claim 1 , wherein said control system comprises an amplifier claim 1 , configured to boost a modulated carrier wave with a first energy level to a second energy level claim 1 , facilitating energy harvesting by a receiver. This application is a continuation-in-part of co-pending U.S. patent application Ser. No. 13/831,770, now U.S. ...

Electrical storage system, and control method for electrical storage system

A first electrical storage stack is connected in series with a second electrical storage stack. A current interrupter is configured to interrupt a current path by being removed from the current path. First and second detection line are respectively connected to first and second terminals of the first electrical storage stack. The second electrical storage stack is connected to the second terminal of the first electrical storage stack via the current interrupter. A third detection line is connected to a portion of the current path, located on the second electrical storage stack side of the current interrupter. A controller is configured to control charging and discharging operations of each of the first and second electrical storage stacks on the basis of the voltage of the first electrical storage stack, the voltage being detected via the first detection line and the third detection line.

ELECTRIC BATTERY ASSEMBLY

There is disclosed an electric battery assembly comprising: a plurality of electric batteries arranged in an array, an interconnection for connecting batteries in the array to provide a common power output; a plurality of shock absorbent housings, wherein each electric battery is provided within a shock-absorbent housing. The shock absorbent housing may have the form of a blister, which may be flexible and which may be filled with a shock-mitigating material. 1. An electric battery assembly comprising:a plurality of electric batteries arranged in an array;an interconnection for connecting batteries in the array to provide a common power output; anda plurality of shock absorbent housings,wherein each electric battery is provided within a shock-absorbent housing.2. The electric battery assembly according to wherein the shock absorbent housing has the form of a flexible blister.3. The electric battery assembly according to wherein the flexible blister is filled with a shock-mitigating material.4. The electric battery assembly according to wherein the shock-mitigating material comprises air.5. The electric battery assembly according to wherein the shock absorbent housings are affixed to a flexible substrate.6. The electric battery assembly according to wherein the flexible substrate is formed from reinforced composite.7. The electric battery assembly according to wherein the array of batteries is arranged in a substantially planar form and the interconnection comprises:a. a first conductive member suspended over the array of batteries; andb. a second conductive member suspended under the array of batteries;wherein for each battery there is provided a first connection extending between a positive electrode of the battery and the first conductive member, andfor each battery there is provided a second connection extending between a negative electrode of the battery and the second conductive member.8. The electric battery assembly according to wherein the first conductive ...