СПОСОБ ИЗГОТОВЛЕНИЯ ПЕРЕЗАРЯЖАЕМЫХ ЛИТИЙ-ПОЛИМЕРНЫХ БАТАРЕЙ И БАТАРЕЯ, ИЗГОТОВЛЕННАЯ ЭТИМ СПОСОБОМ

Изобретение относится к перезаряжаемой литий-полимерной батарее. Согласно изобретению батарея имеет следующую структуру: коллекторную пленку, активное вещество катода, содержащее в качестве активного компонента интеркалированный переходный металлоксид, проводящую добавку и полимер, набухший с образованием геля в электролитическом растворе соли; полимерный гелеобразный электролит, содержащий полимер, набухший с образованием геля в электролитическом растворе соли; активное вещество анода, содержащее в качестве активного компонента интеркалированный материал и полимер, набухший с образованием геля в электролитическом растворе соли; и коллекторную пленку. Техническим результатом изобретения является снижение затрат на изготовление. 2 н. и 8 з.п. ф-лы, 2 ил.

БИОСОВМЕСТИМАЯ ПРОВОЛОЧНАЯ АККУМУЛЯТОРНАЯ БАТАРЕЯ

Изобретение относится к конструкциям биосовместимых аккумуляторных батарей. Технический результат - увеличение срока службы и повышение надежности. Перезаряжаемую электрохимическую аккумуляторную батарею в форме узла одно- или многовитковой проволоки можно использовать в качестве источника энергии для любого количества имплантируемых или неимплантируемых медицинских устройств. Поскольку аккумуляторная батарея в форме проволоки допускает масштабирование до микроразмеров, ее можно использовать для запитывания медицинских устройств, которые традиционно не являлись активными устройствами, но которые могут быть улучшены с использованием активных компонентов. Аккумуляторную батарею в форме проволоки можно уменьшить до размера, необходимого для конкретного приложения, что позволяет сохранить то же напряжение холостого хода независимо от итоговой конфигурации проволоки и длины используемой проволоки. Хотя аккумуляторная батарея имеет форму проволоки, также возможны различные способы размещения ...

Конгруэнтно плавящийся фтор-проводящий твердый электролит MRFс флюоритовой структурой для высокотемпературных термодинамических исследований

Изобретение относится к области фтор-проводящих твердых электролитов (ФТЭЛ). Предложены фтор-проводящие твердые электролиты MRVс флюоритовой структурой в монокристаллической форме для высокотемпературных термодинамических исследований химических веществ, содержащие фториды щелочноземельного (М) и редкоземельного (R) металлов. Подбирают состав, обеспечивающий их конгруэнтность. Для этого их составы выбирают соответствующими максимумам на кривых плавления флюоритовых фаз на фазовых диаграммах систем MF- RFи содержат: дифторид CaFс добавками трифторидов RF(R=Sm, Gd, Tb, Ho, Er, Y) при соотношении CaF89-96 мол. % и KF 4-11 мол. %; дифторид SrFс добавками трифторидов RY(R=La, Се, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Y) при соотношении SrF69-90 мол. % и RF10-31 мол. %, а также дифторид BaFс добавками трифторидов RF(R=La, Се, Pr, Nd, Sm, Gd, Tb) при соотношении BaF69-96 мол. % и RF4-31 мол. %, что обеспечивает получение величин фтор-ионной проводимости σ, превышающих 1×10Омсмпри температурах 450-1570°С ...

ТЕРМОСТАТИРОВАННАЯ БАТАРЕЯ

Полезная модель относится к конструкции литий-ионной аккумуляторной батареи с термостатированием и может быть использована в электромобилях, электробусах, а также в других областях энергетики. Внутри теплоизолированного корпуса батареи размещены литий-ионные блоки с пластинами теплосъема, примыкающими к каждой литий-ионной ячейке, а также плиты термостатирования, выполненные с каналами для соединения с трубопроводами циркуляции жидкого теплоносителя. Причем плиты термостатирования каждого литий-ионного блока выполнены с переменным сечением каналов и с увеличением площади сечения от периферии к внутренней части блока, трубопроводы внутренней части блока батареи выполнены по двухтрубной схеме и имеют подпорную магистраль. Площадь поперечного сечения подпорной магистрали равна 0,45 от площади поперечного сечения основной магистрали подачи теплоносителя. Техническим результатом является поддержание оптимального температурного режима литий-ионной аккумуляторной батареи в широком температурном ...

БЛОК АККУМУЛЯТОРНЫЙ

Полезная модель относится к аккумуляторному источнику питания для приводных инструментов, использующих для обеспечения питания двигателя электрический ток различного напряжения. Техническим результатом заявленного технического решения является возможность выбора режима питания за счет линейных габаритов плоских ножевых контактов, используемых в ответной клеммной колодке, расположенной на инструменте. Технический результат достигается за счет блока аккумуляторного, содержащего корпус, снабженный средствами фиксации на ручном инструменте, и внешнюю клеммную колодку, включающую размещенные в направляющих контакты, при этом в корпусе блока размещены, по меньшей мере, два элемента питания, установленных с возможностью последовательного и параллельного включения в зависимости от задействованных контактов на клеммной колодке, при этом блок аккумуляторный содержит направляющие, в которых расположены пары контактов, включающих внешний контакт и внутренний контакт; упомянутые внешние и внутренние ...

ЭЛЕМЕНТ АККУМУЛЯТОРНОЙ БАТАРЕИ

Изобретение относится к области электротехники, а именно к элементу аккумуляторной батареи, содержащему электролит на основе SO2. Повышение плотности энергии аккумуляторной батареи при сохранении стабильности электролита является техническим результатом изобретения, который достигается за счет того, что элемент (2, 20, 40) аккумуляторной батареи, содержащий активный металл, по меньшей мере один положительный электрод (4, 23, 44) с разрядным элементом (26), по меньшей мере один отрицательный электрод (5, 22, 45) с разрядным элементом (27), содержащий металлический литий, корпус (1, 28) содержит электролит на основе SO2 и по меньшей мере одну первую проводящую соль формулы (1) где М - металл, выбираемый из группы, состоящей из щелочных металлов, щелочноземельных металлов, цинка и алюминия, где x - целое число от 1 до 3, заместители R1, R2, R3, R4 выбираются независимо друг от друга из группы, состоящей из C1-C10 алкила, С2-С10 алкенила, С2-С10 алкинила, С3-С10 циклоалкила, С6-С14 арила и ...

АККУМУЛЯТОРНЫЙ МОДУЛЬ, ЗАРЯДНЫЙ МОДУЛЬ И ЭЛЕКТРОННОЕ УСТРОЙСТВО, ПОДДЕРЖИВАЮЩИЕ БЫСТРЫЙ ЗАРЯД С ВЫСОКОЙ МОЩНОСТЬЮ

Группа изобретений относится к аккумуляторному модулю, зарядному модулю и электронному устройству, поддерживающим быстрый заряд с высокой мощностью. Аккумуляторный модуль (100) содержит элемент (14) батареи, который содержит корпус (140) элемента батареи, первый вывод, второй вывод и третий вывод. Первый вывод, второй вывод и третий вывод электрически соединены раздельно с корпусом (140) элемента батареи. Первый вывод и третий вывод имеют первую полярность, а второй вывод имеет вторую полярность. Второй вывод и первый вывод вместе способны подавать напряжение и ток на корпус элемента (140) батареи или способны выводить напряжение и ток от корпуса (140) элемента батареи. Второй вывод и третий вывод вместе способны подавать напряжение и ток на корпус (140) элемента батареи или способны выводить напряжение и ток от корпуса (140) элемента батареи. Первая полярность отличается от второй полярности. Техническим результатом является повышение эффективности заряда, снижение количества выделяемого ...

СОБРАННАЯ АККУМУЛЯТОРНАЯ БАТАРЕЯ, АККУМУЛЯТОРНЫЙ МОДУЛЬ И СПОСОБ ПРОИЗВОДСТВА СОБРАННОЙ АККУМУЛЯТОРНОЙ БАТАРЕИ

Изобретение относится к области электротехники, а именно к собранной аккумуляторной батарее, включающей в себя множество цилиндрических аккумуляторов, способу ее производства, аккумуляторному модулю, и может быть использовано в транспортном средстве с электроприводом. Собранная аккумуляторная батарея включает в себя множество аккумуляторов, держатель, имеющий удерживающую часть, сконфигурированную, чтобы удерживать внешние круговые поверхности аккумуляторов, вставленных в сквозные отверстия для аккумуляторов, и множество клеевых масс, которые объединяют аккумуляторы и внутренние круговые поверхности удерживающей части друг с другом. Каждая из внутренних круговых поверхностей включает в себя: ограничивающий положение участок, сконфигурированный, чтобы ограничивать положение каждого аккумулятора, отступающий участок, сконфигурированный, чтобы отступать от каждого аккумулятора по всей окружности аккумулятора, даже когда аккумулятор занимает какое-либо положение в диапазоне, и канавку для заливки ...

РАСТВОР НЕВОДНОГО ЭЛЕКТРОЛИТА, ВТОРИЧНАЯ БАТАРЕЯ С НЕВОДНЫМ ЭЛЕКТРОЛИТОМ И СПОСОБ ИЗГОТОВЛЕНИЯ ВТОРИЧНОЙ БАТАРЕИ С НЕВОДНЫМ ЭЛЕКТРОЛИТОМ

Изобретение относится к раствору неводного электролита, вторичной батарее с неводным электролитом и способу изготовления вторичной батареи с неводным электролитом. Раствор неводного электролита включает в качестве неводного растворителя циклический карбонат и сложный эфир фторированной карбоновой кислоты, содержащий два атома фтора у альфа-атома углерода, производного от карбоновой кислоты. Объемное соотношение сложного эфира фторированной карбоновой кислоты и циклического карбоната составляет от 50:50 до 95:5. Сложный эфир фторированной карбоновой кислоты включает CHFCOOCH. Раствор неводного электролита включает содержащуюся в неводном растворителе добавку, представляющую собой сочетание соединений C и D:Изобретение позволяет обеспечить высокую проводимость раствора неводного электролита. 3 н. и 4 з.п. ф-лы, 1 ил.

СЛОИСТЫЙ ЭЛЕМЕНТ, СОБРАННАЯ БАТАРЕЯ, ВКЛЮЧАЮЩАЯ СЛОИСТЫЙ ЭЛЕМЕНТ, И СПОСОБ СБОРКИ СЛОИСТОГО ЭЛЕМЕНТА

... 1. Слоистый элемент, содержащий:трубчатый внешний кожух;положительный электрод;отрицательный электрод;сепаратор, расположенный между положительным электродом и отрицательным электродом; иэлектропроводящий токоотвод, проходящий через положительный электрод, отрицательный электрод и сепаратор в осевом направлении внешнего кожуха, при этомположительный электрод, отрицательный электрод и сепаратор уложены стопкой в осевом направлении внешнего кожуха,первый электрод, который представляет собой один из положительного и отрицательного электродов, входит в контакт с внутренней поверхностью внешнего кожуха с тем, чтобы быть электрически соединенным с внутренней поверхностью внешнего кожуха, но не находится в контакте с токоотводом,второй электрод, который представляет собой другой из положительного и отрицательного электродов, не находится в контакте с внутренней поверхностью внешнего кожуха, но входит в контакт с токоотводом с тем, чтобы быть электрически соединенным с токоотводом,внешняя кромка ...

ТВЕРДОТЕЛЬНАЯ АККУМУЛЯТОРНАЯ БАТАРЕЯ, ИСПОЛЬЗУЮЩАЯ СОЕДИНЕНИЯ КРЕМНИЯ, И СПОСОБ ЕЕ ИЗГОТОВЛЕНИЯ

... 1. Твердотельная аккумуляторная батарея, содержащая карбид кремния, имеющий химическую формулу SiC, в качестве положительного электрода, нитрид кремния, имеющий химическую формулу SiN, в качестве отрицательного электрода и неводный электролит между положительным электродом и отрицательным электродом, образованный какой-либо из ионообменных смол, содержащих полимеры, в которые входят катионная сульфокислотная группа (-SOH), карбоксильная группа (-COOH), анионная четвертичная аммониевая группа (-N(CH)CHOH) или замещенная аминогруппа (-NH(CH)) в качестве связывающей группы, где при заряде катион кремния (Si) образуется на положительном электроде и анион кремния (Si) образуется на отрицательном электроде.2. Твердотельная аккумуляторная батарея, содержащая карбид кремния, имеющий химическую формулу SiC, в качестве положительного электрода, нитрид кремния, имеющий химическую формулу SiN, в качестве отрицательного электрода и неводный электролит между положительным электродом и отрицательным электродом ...

ТЕРМОСТОЙКИЙ СЛОЙ ДЛЯ НЕВОДНОЙ И ТВЕРДОТЕЛЬНОЙ БАТАРЕИ И СПОСОБ ЕГО ПОЛУЧЕНИЯ

... 1. Электрохимический элемент, содержащийанод, содержащий:проводящий слой; иактивный слой, нанесенный на проводящий слой;катод, содержащий:проводящий слой; иактивный слой, нанесенный на проводящий слой; итермостойкое покрытие на по меньшей мере одном из активного слоя анода и активного слоя катода, содержащее керамический материал, причем термостойкое покрытие присоединено к по меньшей мере одному из анода и катода благодаря пластической деформации частиц, которые образуют термостойкое покрытие, которая происходит во время сухого осаждения.2. Электрохимический элемент по п.1, при этом частицы в термостойком покрытии доставляются при высокой скорости к по меньшей мере одному из активного слоя анода и активного слоя катода для увеличения кинетической энергии частиц, частицы подвергаются пластической деформации и присоединяются к по меньшей мере одному из активного слоя анода и активного слоя катода при столкновении с по меньшей мере одним из активного слоя анода и активного слоя катода.3.

БИОМЕДИЦИНСКИЕ ЭЛЕМЕНТЫ ЭЛЕКТРОСНАБЖЕНИЯ С ПОЛИМЕРНЫМИ ЭЛЕКТРОЛИТАМИ

СПОСОБ ТЕРМИЧЕСКОЙ ОБРАБОТКИ ЛИТИЕВОЙ БАТАРЕИ

ЛИТИЙ-ИОННАЯ АККУМУЛЯТОРНАЯ БАТАРЕЯ, УСТРОЙСТВО ВОССТАНОВЛЕНИЯ ЕМКОСТИ БАТАРЕИ И СПОСОБ ВОССТАНОВЛЕНИЯ ЕМКОСТИ БАТАРЕИ

... 1. Литий-ионная аккумуляторная батарея, содержащая:наружный покровный материал (30), который заполнен электролитом (40);электрод (221, 222), который заключен в наружном покровном материале (30), в котором сформирован электродный слой (221a, 222a), содержащий активный материал, и в котором через сепаратор (210) расположен токоотвод (22), электрически соединенный с электродным слоем;изоляционный слой (22a), который предусмотрен на токоотводе (22); иэлемент (22b) с низким потенциалом, который предусмотрен на изоляционном слое (22a), имеет меньший окислительно-восстановительный потенциал, чем активный материал электродного слоя (221a, 222a), и обладает восстановительной способностью по отношению к активному материалу.2. Литий-ионная аккумуляторная батарея по п. 1,при этом элемент (22b) с низким потенциалом является металлическим литием или содержащим литий соединением.3. Литий-ионная аккумуляторная батарея по п. 1 или п2,при этом элемент (22b) с низким потенциалом размещен во множестве на изоляционном ...

СПОСОБ ИЗГОТОВЛЕНИЯ ГАЛЬВАНИЧЕСКИХ ПАКЕТНЫХ ЭЛЕМЕНТОВ ДЛЯ ЭЛЕКТРИЧЕСКИХ БАТАРЕЙ, СООТВЕТСТВУЮЩЕЕ УСТРОЙСТВО И ГАЛЬВАНИЧЕСКИЙ ПАКЕТНЫЙ ЭЛЕМЕНТ

Galvanische Zelle mit verbesserter Lebensdauer

Batterie mit nicht-wässrigem Elektrolyten

Elektrodenkonstruktion zum Verbessern der Sicherheit von Li-Ionen-Batterien

Eine Li-Ionen-Batterie beinhaltet eine Kathode; eine Anode, die ein primäres aktives Material, leitfähigen Kohlenstoff, ein Bindemittel und ein Reservematerial aufweist und eine Trennvorrichtung zwischen der Kathode und der Anode. Das Reservematerial weist ein Reaktionspotential zwischen einem Lithium-Reaktionspotenzial und einem Reaktionspotential des primären aktiven Materials auf. Das Reservematerial ist dazu konfiguriert, als Reaktion darauf, dass das primäre aktive Material vollständig interkaliert ist, beim Reaktionspotential mit Lithium zu interkalieren, um Lithiumplattierung auf der Anode zu verhindern.

VERFAHREN ZUR HERSTELLUNG VON LITHIUM-IONEN-BATTERIEZELLEN

Verfahren zur Herstellung einer Lithium-Ionen-Batteriezelle. Eine nichtwässrige flüssige Elektrolytlösung wird für eine ausreichende Zeit mit Partikeln aus einem Lithiumionen-ausgetauschten Zeolithmaterial in Kontakt gebracht, um Wassermoleküle aus der flüssigen Elektrolytlösung zu entfernen. Danach kann die flüssige Elektrolytlösung in eine elektrochemische Zellenanordnung eingebracht und in einem Zellengehäuse hermetisch abgedichtet werden, um eine Lithium-Ionen-Batteriezelle zu bilden.

VERFAHREN ZUM HERSTELLUNG EINES SULFIDFESTELEKTROLYTEN

Die vorliegende Erfindung bezieht sich auf ein Verfahren zum Herstellen solch eines Sulfidfestelektrolyten, der eine hohe Lithiumionenleitfähigkeit aufweist und bei dem die Gesamtmenge an Wärme, die durch die Reaktion mit dem geladenen Anodenmaterial, die bei etwa 315 °C auftritt, erzeugt wird, verringert ist. Offenbart wird ein Verfahren zum Herstellen eines Sulfidfestelektrolyten, wobei das Verfahren beinhaltet: einen ersten Schritt des Bereitstellens von Li3PS4 mit einer γ-Struktur, und einen zweiten Schritt, in welchem eine Mischung eines zweiten Schritts, die Li3PS4 mit der γ-Struktur, das im ersten Schritt erhalten ist, und LiX (wobei X ein Halogen ist) entkristallisiert wird, und die entkristallisierte Mischung des zweiten Schritts in einem Temperaturbereich von mehr als 150°C und weniger als 190°C erwärmt wird.

Alkali-Ionen Batterie, basieren auf ausgewählten Allotropen des Schwefels, sowie Methoden zu deren Herstellung

Die vorliegende Erfindung betrifft eine neue Generation von Alkali-Ionen-Schwefel Batterien, in denen spezifische Schwefel-Allotrope, insbesondere das Psi Allotrop des Schwefels, als aktive Masse der Kathode verwendet werden. Als Anode werden Alkali-Metalle oder Erd-Alkali Metalle verwendet. Eine bevorzugte Methode zur Herstellung beschreibt die Herstellung der Psi-Schwefel Fasern durch eine spezielle Form des Elektro-Spinnings. Eine weitere bevorzugte Herstellungsmethode beschreibt die Hinzufügung der Kationen-Quelle in flüssiger Form während der Batterie-Stapel Produktion. Schließlich beschreibt die Erfindung spezifische bevorzugte neue Ausführungsformen von Alkali-Ion-Schwefel Batterien, die sich durch signifikante Vorteilen bei Kapazität und Lebensdauer auszeichnen.

Batterie

Batterie, Folgendes umfassend:einen Elektrodenkörper (20), der eine positive Elektrode und eine negative Elektrode umfasst, wobei der Elektrodenkörper (20) in einer flachen Form hergestellt ist; undein Batteriegehäuse (30), in dem der Elektrodenkörper (20) aufgenommen ist, wobei:das Batteriegehäuse (30) einen Batteriegehäuse-Hauptkörper (32) umfasst, der eine Öffnung, durch die der Elektrodenkörper (20) aufgenommen wird, und eine Abdeckung (34), welche die Öffnung des Batteriegehäuse-Hauptkörpers (32) verschließt, aufweist;der Batteriegehäuse-Hauptkörper (32) ein Paar breite Flächen (37), die flachen Flächen des Elektrodenkörpers (20), der in dem Batteriegehäuse (30) aufgenommen ist, gegenüber liegen, ein Paar schmale Flächen (38) neben den breiten Flächen (37) und eine Bodenfläche (39) umfasst;ein Plus-Elektroden-Außenanschluss (42) und ein Minus-Elektroden-Außenanschluss (44) an einer Außenfläche der Abdeckung (34) angeordnet sind, wobei sich die Außenfläche außerhalb des Batteriegehäuses ...

Nichtwässrige Elektrolytbatterie

Angegeben wird eine nichtwässrige Elektrolytbatterie, die eine hohe Kapazität und hohe Volumenpulverdichte hat und eine verstärkte Ladungs-Entladungs-Zyklus-Fähigkeit aufweisen kann. Die nichtwässrige Elektrolytbatterie umfasst eine positive Elektrodenschicht, eine negative Elektrodenschicht und eine Festelektrolytschicht, die zwischen diesen Schichten angeordnet ist. Die negative Elektrodenschicht umfasst ein Pulver aus einem positiven Elektroden-Aktivmaterial und ein Pulver aus einem festen Elektrolyten. In dem negativen Elektroden-Aktivmaterial ist ein Ladungs-Entladungsvolumen-Änderungsverhältnis 1% oder weniger und das Pulver hat eine durchschnittliche Teilchengröße von 8 m oder weniger. Die Festelektrolytschicht wird durch ein Dampfphasenverfahren gebildet. Beispiele des negativen Elektroden-Aktivmaterials mit einem Ladungs-Entladungsvolumen-Änderungsverhältnis von 1% oder weniger umfassen Li4Ti5O12 und nicht-graphitierbaren Kohlenstoff.

POLYESTERELEKTROLYTE AUF PHOSPHORBASIS FÜR HOCHSPANNUNGS-LITHIUM-IONEN-BATTERIEN

Es wurden neue Polyester auf Phosphorbasis synthetisiert. Wenn diese Polymere mit Elektrolytsalzen kombiniert werden, weisen derartige Polymerelektrolyte eine ausgezeichnete elektrochemische Oxidationsstabilität in Lithium-Batteriezellen auf. Ihre Stabilität zusammen mit ihren ausgezeichneten Ionentransporteigenschaften machen sie besonders geeignet als Elektrolyte in hochenergetischen Lithium-Batteriezellen.

VERFAHREN ZUM HERSTELLEN EINES SULFIDFESTSTOFFELEKTROLYTEN UND DADURCH HERGESTELLTER SULFIDFESTSTOFFELEKTROLYT

Verfahren zum Herstellen eines Sulfidfeststoffelektrolyten und dadurch hergestellter Sulfidfeststoffelektrolyt, in welchen der Sulfidfeststoffelektrolyt zwei oder mehrere Sulfidverbindungen aufweist, wodurch die atmosphärische Stabilität des Feststoffelektrolyten verbessert und die Bildung von toxischem Gas verringert wird.

Energiespeicherzelle

Die Erfindung betrifft eine Energiespeicherzelle mit einem in einer Erstreckungsfläche flächig ausgedehnten Zellenkörper (5), einer ersten (1) und einer zweiten (2) Ableitelektrode, wobei der Zellenkörper (5) vier entlang eines Umfanges der Erstreckungsfläche angeordnete Seitenflächen (4) aufweist, von denen jeweils zwei parallel zueinander liegen, dadurch gekennzeichnet, dass die erste (1) und die zweite Ableitelektrode (2) an einer der Seitenflächen (4) symmetrisch in Richtung des Umfangs der Erstreckungsfläche zu einer Mitte (9) der entsprechenden Seitenfläche (4) angeordnet sind und ein Berührungspunkt (7) einer der Mitte (9) zugewandten Kante der Ableitelektroden (1, 2) mit der entsprechenden Seitenfläche (4) mit der besagten Mitte (9) der Seitenfläche einen Winkel um einen Mittelpunkt (10) der Erstreckungsfläche von 10° < < 36° einschließt und/oder dass ein Berührungspunkt (8) einer der Mitte abgewandten Kante der Ableitelektroden (1, 2) mit der entsprechenden Seitenfläche (4) mit ...

Ex-situ-Herstellung einer Lithiumanodenschutzschicht

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung einer Anode für eine Lithiumzelle und/oder einer Lithiumzelle sowie derartige Anoden und Lithiumzellen. Um die Lebensdauer der Lithiumzelle zu verlängern und gezielt eine erste, Elektrolytzersetzungsprodukte umfassende, Schutzschicht (2) auf einer, metallisches Lithium umfassenden Anode (1) auszubilden, wird ex situ, also vor dem Zusammenfügen der herzustellenden Lithiumzelle, ein erster Elektrolyte auf die Anode (1) aufgebracht. In einem nachfolgenden Verfahrensschritt kann zur Stabilisierung der ersten Schutzschicht (2) eine zweite Schutzschicht (3) aufgebracht werden.

Leistungswerkzeug

Leistungswerkzeug, welches eine Lithium-Ionen-Sekundärbatterie als eine Antriebsquelle verwendet, wobei die Lithium-Ionen-Sekundärbatterie einen tatsächlichen Durchmesser von 14 mm oder weniger hat; wobei, wenn ein Schalter, welcher in einem Hauptkörper von dem Leistungswerkzeug eingebaut ist, bedient wird, die Lithium-Ionen-Sekundärbatterie mit einer Antriebseinheit, welche einen Motor umfasst, verbunden wird, so dass das Leistungswerkzeug betätigt wird; wobei die Lithium-Ionen-Sekundärbatterie und eine Schutzschaltung zum Schützen der Lithium-Ionen-Sekundärbatterie innerhalb einer unabhängigen Batteriepackung eingebaut sind, welche dazu in der Lage ist, lösbar an dem Leistungswerkzeug angebracht zu werden; wobei die Batteriepackung in ein Inneres von einem Griffabschnitt von dem Leistungswerkzeug-Hauptkörper eingesetzt ist; wobei drei von den Lithium-Ionen-Sekundärbatterien innerhalb der Batteriepackung nebeneinander in die gleiche Richtung wie eine Axialrichtung von dem Griffabschnitt ...

Vorrichtung zum Speichern elektrischer Energie und Herstellungsverfahren dafür

Eine Vorrichtung zum Speichern von elektrischer Energie (1) weist auf: einen Gehäusekörper (3) mit einer Öffnung (9), wobei die Öffnung (9) an einem oberen Abschnitt des Gehäusekörpers (3) ausgebildet ist; einen Elektrodenkörper (10), der im Gehäusekörper (3) aufgenommen ist; einen Laschenabschnitt (20); und einen Stromableitungsanschluss (30). Der Laschenabschnitt (20) ragt von einem Teil des Elektrodenkörpers (10) zur Öffnung (9) des Gehäusekörpers (3) vor. Der Laschenabschnitt (20) weist eine Seitenfläche (22, 27) auf, die dem Elektrodenkörper (10) nicht zugewandt ist. Der Stromableitungsanschluss (30) ist an die Seitenfläche (22, 27) des Laschenabschnitts (20) geschweißt.

Carboxylmagnesiumelektrolyt für eine Magnesiumbatterie

Eine elektrochemische Vorrichtung mit einem Carboranylmagnesiumelektrolyt wird bereitgestellt. Insbesondere betrifft die Offenbarung eine elektrochemische Vorrichtung mit einer Magnesiumanode, einer Kathode und einem Stromsammler, der aus Nicht-Edelmetall hergestellt ist, und einen Carboranylmagnesiumelektrolyt. Der Kathodenstromsammler aus Nicht-Edelmetall weist für gewöhnlich in Kontakt mit dem Elektrolyt eine hohe oxidative Stabilität 3,0 V gegenüber einer Magnesiumreferenz auf. Verfahren zum Herstellen der elektrochemischen Vorrichtungen werden zusätzlich bereitgestellt.

Elektrochemische Energiespeichervorrichtung und Verfahren zum Überwachen einer elektrochemischen Energiespeicherzelle

Eine elektrochemische Energiespeichervorrichtung weist wenigstens eine elektrochemische Energiespeicherzelle (14) und ein Gehäuse (12) zum zumindest teilweisen Aufnehmen der wenigstens einen Energiespeicherzelle (14) darin auf. Die wenigstens eine elektrochemische Energiespeicherzelle (14) weist einen Elektrodenstapel (16), zwei mit dem Elektrodenstapel verbundene Stromableiter (20) und eine den Elektrodenstapel (10) zumindest teilweise umschließende Umhüllung (18) auf, wobei sich die Stromableiter (20) zumindest teilweise aus der Umhüllung (18) heraus erstrecken. Weiter ist wenigstens ein faseroptischer Sensor (26) vorgesehen, welcher eine Sende- und Empfangsvorrichtung (27) und einen faseroptischen Leiter (28) aufweist, wobei ein erstes Ende des faseroptischen Leiters (28) durch die Umhüllung (18) hindurch in ein Inneres einer elektrochemischen Energiespeicherzelle (14) hinein ragt, um eine Zustandsänderung dieser elektrochemischen Energiespeicherzelle zu erfassen, und ein zweites Ende ...

Rejuvenating a pouch type lithium ion battery involves introducing solvent into manifold and pouch to treat respective electrode assembly, removing solvent, introducing electrolyte into manifold and pouch, and sealing the pouch

Rejuvenating a pouch type lithium ion battery comprises providing pouch(es) (14A-C) sealably connected via first tubing to a first manifold (30A), where the pouch contains a first electrolyte and an electrode assembly, and is sealably connected against an external atmosphere; introducing a solvent into the first manifold and into the pouch to treat a respective electrode assembly contained within the pouch; removing a portion of the solvent from the pouch; introducing a second electrolyte into the first manifold and into the pouch; and sealing the pouch against the external atmosphere. An independent claim is included for a system for rejuvenating a pouch type lithium ion battery comprising pouches, and a solvent source and an electrolyte source.

VERFAHREN ZUM HERSTELLEN EINER LITHIUM-IONEN-SEKUNDÄRBATTERIE

Method of passive voltage control in a sodium-ion battery

A sodium ion secondary cell has an anode and a cathode, the anode comprising a negative electrode active material on an anode substrate, and the cathode comprising a positive electrode active material on a cathode substrate. The ratio of the mass of the negative electrode active material to the mass of the positive electrode active material, and the value of the first voltage to which the cell is charged in a cycling phase, are selected such that the minimum voltage at the anode when the cell is charged to the first voltage in the cycling phase is sufficient to substantially prevent formation of a metal layer on the anode. The ratio of the mass of the negative electrode active material to the mass of the positive electrode active material, and the value of the first voltage, may also be selected so that the maximum voltage at the cathode in the cycling phase is less than a voltage at which an irreversible loss of cathode charge capacity occurs. This reduces deterioration of the cells performance ...

Thin electrochemical cell

Stack for an energy storage device

A method comprises obtaining a stack for an energy storage device, the stack comprising a first electrode layer 204 and an electrolyte layer 206. A first material 210 is deposited over a portion of the first electrode layer 274 and a portion of the electrolyte layer 276. A second material 214 is deposited over the first material to form a second electrode layer 208 and to provide an electrical connection from the second electrode layer to a further second electrode layer. The first material insulates the portions of the first electrode layer and the electrolyte layer from the second material. The first material may be deposited by inkjet material deposition. The stack may comprise a substrate proximal to the first electrode layer. The second material may be an anode material for forming an anode layer. The stack may comprise a further second electrode layer 208a connected with the second electrode layer via the second material. In this case a further electrolyte layer 206b is positioned ...

Stack for an energy storage device

A method comprises obtaining a stack for an energy storage device, the stack comprising a first electrode layer 204, a second electrode layer 208 and an electrolyte layer 206. A first material 210 is deposited over a portion of the first electrode layer 274 and a portion of the electrolyte layer 276. A second material 214 is deposited over the first material to provide an electrical connection from the second electrode layer to a further second electrode layer. The first material insulates the portions of the first electrode layer and the electrolyte layer from the second material. The first material may be deposited by inkjet material deposition. The stack may comprise a substrate proximal to one of the electrode layers, the other of the electrode layers being the anode layer. The second material may be the same as the anode material. The stack may comprise a further second electrode layer 208a connected with the second electrode layer via the second material. In this case a further electrolyte ...

Stack for an energy storage device

Electrical energy storage structures

Energy storage device

ELECTROLYTE FROM FIRM POLYMER COMPOSITION IN HOMOGENEOUS CONDITION AND MANUFACTURING PROCESS AND KOMPOSITELEKTRODE, LITHIUM POLYMER BATTERY AND LITHIUM ION BATTERY THIS USING AND MANUFACTURING PROCESS

POROUS REACTIVE POLYMER RETAINING FILM FOR A BATTERY SEPARATION MEMBER AND A USE OF IT

ELECTRO-CHEMICAL LITHIUM GENERATOR WITH AT LEAST ONE BIPOLAR ELECTRODE WITH CONDUCTIVE ALUMINIUMODER ALUMINUM ALLOY SUBSTRATES

PROCEDURE FOR THE DISTANCE OF METALLIC LITHIUM

LITHIUM SULFIDE BATTERY AND PROCEDURE FOR YOUR PRODUCTION

LITHIUM ION BATTERY WITH INORGANIC LIIONENLEITENDEN SOLID ELECTROLYTE

RE+RECHARGEABLE ELECTRICAL STORAGE BATTERY.

PROCEDURE FOR THE PRODUCTION OF A RE+RECHARGEABLE GALVANIC ELEMENT WITH NEGATIVES A LITHIUM/CINDIUM ELECTRODE

CONTINUOUS FUSION PROCEDURE FOR THE PRODUCTION OF ION-LEADING ARTICLES

SECONDARY LITHIUM ION CELL

Battery pack support portion configured to accommodate multiple different device interfaces

A battery pack that includes a battery pack housing. The battery pack housing includes a battery pack support portion that is configured to removably mechanically and electrically connect the battery pack to a device. The support portion includes a plurality of terminals for electrically connecting the battery pack to the device. The battery pack support portion includes a central recess. The battery pack support portion has a support portion length and a central recess length. The battery pack support portion is configured to receive a first device interface that electrically connects to a first subset of the plurality of terminals and is approximately the same length as the support portion length. The battery pack support portion is also configured to receive a second device interface that electrically connects to a second subset of the plurality of terminals and is approximately the same length as the central recess length. .0- 0 ...

RECHARGEABLE LITHIUM/SULFUR AMMONIATE BATTERY

Method for producing shaped bodies for lithium ion batteries

Lithium-sulfur battery and methods of preventing insoluble solid lithium-polysulfide deposition

An improved lithium-sulfur battery containing a surface-functionalized carbonaceous material. The presence of the surface-functionalized carbonaceous material generates weak chemical bonds between the functional groups of the surface-fun ctionalized carbonaceous material and the functional groups of the polysulfides, which prevents the polysulfide migration to the battery anode, thereby providing a battery with relatively high energy density and good partial discharge efficiency. 102 106 104 ...

Method of preparing electrode assemblies

Provided herein a method of preparing electrode assemblies for lithium-ion batteries. The method disclosed herein comprises a step of pre-drying separator in the battery manufacturing process before the stacking step, thereby significantly lowering the water content of the separator. Therefore, separators can be used to prepare electrode assemblies regardless of conditions under which they are stored or transported. In addition, the peeling strength between the porous base material and protective porous layer is largely unaffected by the drying process disclosed herein.

Multifunctional battery packaging and insulation

MULTIFUNCTIONAL BATTERY PACKAGING AND INSULATION Systems, methods, and apparatus for multifunctional battery packaging and insulation are disclosed. In one or more embodiments, a battery pack comprises a plurality of battery cells. The battery pack further comprises a block comprising a plurality of recesses formed within the block. In one or more embodiments, each of the recesses respectively houses one of the battery cells within the block. In at least one embodiment, the block comprises a low density ceramic fiber reinforced foam that is porous such that a gas or liquid may pass through the block to cool the battery pack. In one or more embodiments, at least a portion of the block is covered with a ceramic matrix composite (CMC) material comprising a ceramic slurry composite pre impregnated (prepreg) with fibers. In some embodiments, the CMC material is cured via kiln firing the block. L-V.

Solid polymer alloy electrolyte in homogeneous state and manufacturing method therefor, and composite electrode, lithium polymer battery and lithium ion polymerbattery using the same and manufacturing methods therefor

Method for electrochemical conditioning polymeric electrodes

Method and apparatus for integrated-battery devices

Low impedance folded polymeric laminate rechargeable battery and method of making

LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING POWER COLLECTION FOIL FOR SAME, AND POWER COLLECTION FOIL FOR SAME

Provided is a method for manufacturing a lithium secondary battery, which is capable of preventing an active material from peeling off and preventing processed metal powder of current-collecting foil from occurring in an electrode manufacturing step, said manufacturing method being provided with the electrode manufacturing step for manufacturing a positive electrode and a negative electrode, a step for forming an electrode group by stacking or rolling the positive electrode and the negative electrode with a separator interposed therebetween, and a step for immersing the electrode group in an electrolytic solution, said electrode manufacturing step being provided with a boring step for forming a plurality of through-holes each penetrating the current-collecting foil and having a protrusion protruding to at least one current-collecting foil surface side, and a mixture forming step for forming a mixture layer on the current-collecting foil, and the mixture forming step being continuously performed ...

POROUS FILM MATERIAL, COMPRISING AT LEAST ONE CARBONACEOUS SEMIMETAL OXIDE PHASE, AND THE USE THEREOF AS A SEPARATOR MATERIAL FOR ELECTROCHEMICAL CELLS

The present invention relates to a novel porous film material comprising at least one carbonaceous semimetal oxide phase, and to a method for the production thereof. The invention further relates to the use of said porous film materials as a separator layer or for producing such separator layers in electrochemical cells, in particular in lithium ion cells, and especially in lithium ion secondary cells. The porous film material according to the invention comprises: a) at least one carbonaceous (semi)metal oxide phase A of silicon, aluminum, titanium, or zircon, comprising hydrocarbon groups covalently boded to the (semi)metal; b) optionally one or more organic polymer phases B, wherein the inorganic (semi)metal oxide phase A forms substantially continuous phase domains in which the pore phase present in the film material and the optionally present organic polymer phase(s) B are embedded, wherein the average distance between two phase boundaries of adjacent domains of identical phases is ...

METHOD FOR PREPARING A SOLID-STATE BATTERY BY SINTERING UNDER PULSATING CURRENT

La présente invention a pour objet un procédé de préparation d'une batterie tout solide Li-ion à corps monolithique dans lequel l'assemblage de la batterie est réalisé en une seule étape par superposition d'au moins une couche d'un mélange pulvérulent comprenant un matériau actif d'électrode positive et un électrolyte solide, au moins une couche intermédiaire d'un électrolyte solide et au moins une couche d'un mélange pulvérulent comprenant un matériau actif d'électrode négative et un électrolyte solide, et frittage simultané des trois couches à une pression d'au moins 20 MPa, sous courant puisé. L'invention a également pour objet la batterie Li-ion obtenue par un tel procédé.

METHOD FOR PREPARING A SOLID-STATE BATTERY BY SINTERING UNDER PULSATING CURRENT

La présente invention a pour objet un procédé de préparation d'une batterie tout solide Li-ion à corps monolithique dans lequel l'assemblage de la batterie est réalisé en une seule étape par superposition d'au moins une couche d'un mélange pulvérulent comprenant un matériau actif d'électrode positive et un électrolyte solide, au moins une couche intermédiaire d'un électrolyte solide et au moins une couche d'un mélange pulvérulent comprenant un matériau actif d'électrode négative et un électrolyte solide, et frittage simultané des trois couches à une pression d'au moins 20 MPa, sous courant puisé. L'invention a également pour objet la batterie Li-ion obtenue par un tel procédé.

LITHIUM METAL ANODE ASSEMBLIES AND AN APPARATUS AND METHOD OF MAKING SAME

An anode assembly for use in a lithium-based battery may include a current collector comprising aluminum, at least a first protective layer bonded to and covering a portion of the collector and being formed from a protective metal that is electrically conductive, and at least a first reactive layer comprising lithium metal bonded to the protective. The first protective layer can be disposed between the support surface and the reactive layer so that electrons can travel from the first reactive layer to the current collector and the first reactive layer is spaced from and at least substantially ionically isolated from the support surface, and whereby diffusion of the reactive layer to the current collector is substantially prevented, by the first protective layer thereby inhibiting reactions between the lithium metal and the current collector.

LITHIUM ION SECONDARY BATTERY AND METHOD OF PRODUCING THE SAME

There is provided a method of producing a lithium ion secondary battery. A positive electrode mixture layer is formed on a positive electrode current collector using an aqueous positive electrode mixture paste that includes a positive electrode active material including a lithium manganese composite oxide, and aqueous solvent, and additionally includes Li5FeO4 as an additive.

METHODS OF IMPROVING PERFORMANCE OF IONIC LIQUID ELECTROLYTES IN LITHIUM-ION BATTERIES

Methods of improving the performance of an energy storage device are described. The method can include providing an energy storage device, which may be a lithium ion battery. The provided energy storage device may include an electrode and a room temperature ionic liquid electrolyte. The room temperature ionic liquid electrolyte may include a lithium salt, wherein the concentration of the lithium salt in the room temperature ionic liquid is greater than 1.2M, such as from 2.4M to 3.0M. The method may further include charging and discharging the provided energy storage device. Other methods described include providing an energy storage device comprising an electrode and a room temperature ionic liquid electrolyte, heating the energy storage device to a temperature above ambient temperature (e.g., 45°C) and charging and discharging the energy storage device. Still other methods include both the use of the high lithium salt concentration room temperature ionic liquid electrolyte and heating ...

BATTERY COMPRISING AN INTUMESCENT LAYER

The present invention relates to a battery comprising a crosslinked intumescent layer selected from a coating and a self-supported film or sheet the layer being formed from a curable intumescent composition comprising: (a) a resin component comprising one or more oligomeric or polymeric compounds having a plurality of functional groups; (b) optionally a curing agent having a plurality of functional groups that are reactive with the functional groups of the oligomeric or polymeric compound of resin component (a); and (c) a compound providing an expansion gas upon thermal decomposition; wherein compounds (a) to (c) differ from each other, to an article comprising a battery, wherein the crosslinked intumescent layer is applied to a part of the article adjacent to the battery between the battery and the article, to methods to provide fire protection to a battery or an article comprising a battery or to reduce or prevent thermal runaway of a battery.

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.

ELECTRODE ASSEMBLIES

Provided herein is electrode assembly for a nonaqueous electrolyte secondary battery, comprising at least one anode, at least one cathode and at least one separator interposed between the at least one anode and at least one cathode, wherein the at least one anode comprises an anode current collector and an anode electrode layer, and the at least one cathode comprises a cathode current collector and a cathode electrode layer, wherein each of the cathode and anode electrode layers independently has a void volume of less than 35%, and wherein each of the at least one cathode and anode independently has a peeling strength of 0.15 N/cm or more.

HYBRID SOLID-LIQUID ELECTROLYTE LITHIUM STORAGE BATTERY

The present invention belongs to the technical field of solid-state lithium storage batteries, and particularly discloses a hybrid solid-liquid electrolyte lithium storage battery. The lithium storage battery comprises a positive electrode sheet, a negative electrode sheet, and a composite solid-state electrolyte sheet arranged between the positive electrode sheet and the negative electrode sheet, wherein the composite solid-state electrolyte sheet comprises a solid-state electrolyte core layer and adhesive buffer layers arranged on two sides of the solid-state electrolyte core layer; and the solid-state electrolyte core layer is mainly formed by means of mixing a core layer inorganic solid-state electrolyte, an electrolyte polymer and an electrolyte additive, and each adhesive buffer layer is mainly formed by means of mixing an adhesive buffer layer inorganic solid-state electrolyte, an adhesive buffer layer lithium salt and an adhesive buffer layer additive. During the preparation of ...

LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

A lithium ion secondary battery includes a positive electrode, a negative electrode and a thin film solid electrolyte including lithium ion conductive inorganic substance. The thin film solid electrolyte has thickness of 20,.mu.m or below and is formed directly on an electrode material or materials for the positive electrode and/or the negative electrode. The thin film solid electrolyte has lithium ion conductivity of 10-6Scm-1 or over and contains lithium ion conductive inorganic substance powder in an amount of 40 weight % or over in a polymer medium. The average particle diameter of the inorganic substance powder is 0.5 .mu.m or below .According to a method for manufacturing the lithium ion secondary battery, the thin film solid electrolyte is formed by coating the lithium ion conductive inorganic substance directly on the electrode material or materials for the positive electrode and/or the negative electrode.

LITHIUM ION SECONDARY BATTERY, AND METHOD OF MANUFACTURING LITHIUM ION SECONDARY BATTERY

A lithium ion secondary battery (1) includes: a positive electrode sheet (21) that includes a positive electrode active material layer (23) containing a positive electrode active material particle (24); a negative electrode sheet (31); and a nonaqueous electrolytic solution (40) that contains a compound containing fluorine, wherein a surface (24n) of the positive electrode active material particle (24) includes a film (25) containing fluorine and phosphorus, and a ratio Cf/Cp satisfies 1.89<=Cf/Cp<=2.61 where Cf represents the number of fluorine atoms in the film (25), and Cp represents the number of phosphorus atoms in the film (25).

METHOD FOR PRODUCING ELECTROLYTE POUCH CELLS FOR ELECTRIC BATTERY ARRANGEMENTS, CORRESPONDING DEVICE AND ELECTROLYTE POUCH CELL

In a method for producing electrolyte pouch cells (1) for an electric battery arrangement, a first flat section (2) of a foil is put into position, a cell stack (8) with integrated electrodes and separators and also attached arresters is arranged and oriented on the positioned first flat section (2), a second flat section of the foil is positioned on the first flat section (2) of said foil and the cell stack (8), and the two flat sections of the foil are welded to one another at their regions which surround the cell stack (8) and are not connected to one another, so as to form a sealed seam. In order to design the electrolyte pouch cell, which is produced using the method outlined above, with a low level of expenditure such that it can be filled under vacuum, can be temporarily closed, is suitable for the removal of forming gas and can once again be finally closed, it is proposed that, in the method outlined above, at least one passage (3) is put into position in the region of the sealed ...

SEALED TYPE CELL MANUFACTURING METHOD

A cell assembly (20) is formed by arranging an electrode body and electrolyte in an external case (12) having a through hole (41). A laser is applied to an annular portion (formed by Al or Al-based alloy) surrounding an opening end (41A) of the through hole (41) toward outside the case so as to form a welded base (45). A sealing film (54) is welded to the surface of the welded base directly or via a base film (52) welded in advance, so as to temporarily seal the through hole (41). The cell assembly (20) in the temporarily sealed state is subjected to initial charge and then a hole is opened through the film (54) so as to form a gas discharge passage for communication between inside and outside of the case (12), thereby discharging an excessive gas from the case (12) outside.

ELECTROCHEMICAL ACTUATORS

Devices and methods for providing electrochemical actuation are described herein. In one embodiment, an actuator device includes an electrochemical cell including a negative electrode and a positive electrode At least a portion of the negative electrode is formed with a material formulated to at least one of intercalate, de-intercalate, alloy with, oxidize, reduce, or plate with a first portion of the positive electrode to an extent different than with a second portion of the positive electrode such that a differential strain is imparted between the first portion and the second portion of the positive electrode and such that at least a portion of the electrochemical cell is displaced. The electrochemical cell includes a portion that is pre-bent along an axis of the electrochemical cell to define a fold axis and the displacement of the at least a portion of the electrochemical cell is maximized along the fold axis.

METHOD FOR MANUFACTURING OF SLURRY FOR PRODUCTION OF BATTERY FILM

The present invention deals with a process for description of a slurry for coating of electrodes for use in lithium ion batteries, where the process as a minimum comprises the steps of a) mix (1) active materials (A) with a binder (B) into a binder solution, and b) add (1) an organic carbonate (C) to a binder solution so that a slurry is generated and the invention is comprising a method for generation of electrodes for a lithium battery cell, where the procedure as a minimum comprises the steps of a) mix (1) active materials (A) with a binder (B) with a binder solution b) add (1) an organic carbonate (C) into a binder solution so that a slurry is generated, c) coat (2) an electrode material (D) with the slurry, d) evaporate/ dry (3) the coating of the electrode material meaning that the organic carbonate (C) is steamed/ dried, and e) surface finishing (5,6,7) the slurry so that the electrode is prepared for use in a lithium ion battery cell. Finally the invention states a procedure for ...

Akkumulator

Cellule électrochimique de batterie lithium-ion-rechargeable et son procédé de fabrication.

L'invention se rapporte à une cellule électrochimique (1) de batterie lithium-ion rechargeable, comprenant une électrode positive (2) comprenant un premier matériau actif contenant éventuellement initialement une quantité Q1 de lithium actif, une électrode négative (4) comprenant un second matériau actif et à la surface de laquelle une couche de passivation SEI est susceptible de se former, et un électrolyte pour les ions lithium. L'électrode positive (2) comprend, en regard de l'électrode négative (4), une feuille de lithium perforée (8) présentant une épaisseur et un motif de perforations choisis pour constituer une quantité Q2 de lithium, la quantité Q2 de lithium fournie par la feuille de lithium perforée (8) et la quantité Q1 de lithium actif fourni par le premier matériau actif de l'électrode positive (2) lorsque ledit premier matériau actif comprend initialement du lithium actif, constituant la quantité de lithium nécessaire et suffisante à l'équilibre de la cellule électrochimique ...

Cellule électrochimique de batterie lithium-ion rechargeable et son procédé de fabrication.

L'invention se rapporte à une cellule électrochimique (1) de batterie lithium-ion rechargeable, comprenant une électrode positive (2) comprenant un premier matériau actif contenant éventuellement initialement une quantité Q1 de lithium actif, une électrode négative (4) comprenant un second matériau actif et à la surface de laquelle une couche de passivation SEI est susceptible de se former, et un électrolyte pour les ions lithium. L'électrode négative (4) comprend, en regard de l'électrode positive (2), une feuille de lithium perforée (8) présentant une épaisseur et un motif de perforations choisis pour constituer une quantité Q2 de lithium, la quantité Q2 de lithium fournie par la feuille de lithium perforée (8) et la quantité Q1 de lithium actif fourni par le premier matériau actif de l'électrode positive (2) lorsque ledit premier matériau actif comprend initialement du lithium actif, constituant la quantité de lithium nécessaire et suffisante à l'équilibre de la cellule électrochimique ...

Electrochemical cell rechargeable lithium ion battery.

L’invention se rapporte à une cellule électrochimique (1) de batterie lithium-ion rechargeable, comprenant une électrode positive (2) comprenant un premier matériau actif contenant éventuellement initialement une quantité Q1 de lithium actif, une électrode négative (4) comprenant un second matériau actif et à la surface de laquelle une couche de passivation SEI est susceptible de se former, et un électrolyte pour les ions lithium. L’électrode positive (2) comprend, en regard de l’électrode négative (4), une feuille de lithium perforée (8) présentant une épaisseur et un motif de perforations choisis pour constituer une quantité Q2 de lithium, la quantité Q2 de lithium fournie par la feuille de lithium perforée (8) et la quantité Q1 de lithium actif fourni par le premier matériau actif de l’électrode positive (2) lorsque ledit premier matériau actif comprend initialement du lithium actif, constituant la quantité de lithium nécessaire et suffisante à l’équilibre de la cellule électrochimique ...

Electrochemical cell rechargeable lithium ion battery.

L’invention se rapporte à une cellule électrochimique (1) de batterie lithium-ion rechargeable, comprenant une électrode positive (2) comprenant un premier matériau actif contenant éventuellement initialement une quantité Q1 de lithium actif, une électrode négative (4) comprenant un second matériau actif et à la surface de laquelle une couche de passivation SEI est susceptible de se former, et un électrolyte pour les ions lithium. L’électrode négative (4) comprend, en regard de l’électrode positive (2), une feuille de lithium perforée (8) présentant une épaisseur et un motif de perforations choisis pour constituer une quantité Q2 de lithium, la quantité Q2 de lithium fournie par la feuille de lithium perforée (8) et la quantité Q1 de lithium actif fourni par le premier matériau actif de l’électrode positive (2) lorsque ledit premier matériau actif comprend initialement du lithium actif, constituant la quantité de lithium nécessaire et suffisante à l’équilibre de la cellule électrochimique ...

Batterie à électrolyte solide et son procédé de fabrication par protonation.

L'invention se rapporte à une batterie (20) à électrolyte (8) solide et son procédé de réalisation, le procédé comprenant les étapes successives suivantes : - une étape de protonation d'un corps (11) comprenant, de préférence en totalité, un matériau céramique susceptible d'être protoné, pour former une couche protonée (13) sur le corps (11), - une étape de dépôt d'un élément métallique formant anode (14) sur la couche protonée (13) d'un premier côté (7) du corps (11), - une étape d'assemblage d'une cathode (15) sur un deuxième côté (9) du corps (11), de préférence opposé au premier côté (7) de l'anode (14), et - une étape de formation de dendrites (18) à partir de l'élément métallique dans la couche protonée (13) du corps (11).

Batterie à électrolyte solide et son procédé de fabrication par déprotonation.

L'invention se rapporte à une batterie (20) à électrolyte (8) solide et son procédé de réalisation, le procédé comprenant les étapes successives suivantes : - une étape de protonation d'un corps (11) comprenant, de préférence en totalité, un matériau céramique susceptible d'être protoné, pour former une couche protonée (13) sur le corps (11), - une étape de déprotonation de la couche protonée (13), de manière à obtenir une couche poreuse dotée de mini-cavités (18), - une étape de dépôt d'un élément métallique formant anode (14) sur la couche déprotonée (13) d'un premier coté (7) du corps (11), et d'infiltration de l'élément métallique dans des mini-cavités (18) de la couche poreuse, et - une étape d'assemblage d'une cathode (15) sur un deuxième côté (9) du corps (11), de préférence opposé au premier côté (7) de l'anode (14).

zapravlyaemaya storage battery

СПОСОБ СУШКИ ДЛЯ ЭФФЕКТИВНОГО ПО СТОИМОСТИ ИЗГОТОВЛЕНИЯ ЛИТИЕВЫХ АККУМУЛЯТОРОВ

Изобретение относится к способу изготовления литиевых аккумуляторных батарей (большого формата), включающему стадии обеспечения одного или более электрохимических элементов, введения одного или более электрохимических элементов в пакет, частичной герметизации пакета с одним или более электрохимическими элементами, введения пакета с одним или более электрохимическими элементами в сушильную печь, выдерживания пакета в сушильной печи в течение определенного времени, извлечения пакета из сушильной печи, перенесения высушенных пакетов на станцию заполнения электролитом, заполнения пакета электролитом и герметизации пакета, причем производственные стадии проводят в производственных условиях нормальной окружающей среды и только выбранные критические производственные стадии проводят в условиях сухого помещения.

BATTERY DEVICE FOR VEHICLE WITH SHARED COMPOUNDS

BATTERY DEVICE FOR VEHICLE WITH SHARED COMPOUNDS

Lithium polymer battery

A maintainable lithium ion battery and a maintenance method thereof

Cam corner folding device

Lithium secondary battery

High-temperature type lithium-ion power battery and pre-forming method thereof

Parallel-connection net forming method of lithium battery

Bottom spot welding machine for cylindrical lithium battery and spot welding method of bottom spot welding machine

Lithium anodes for electrochemical cells

Binder for separator of non-aqueous electrolyte battery comprising 2-cyanoethyl group-containing polymer and separator and battery using the same

An object of the invention is to provide a binder for a separator, which can be comprised by a non-aqueous electrolyte battery with improved battery properties and heat resistance; a separator comprising the binder; and a non-aqueous electrolyte battery comprising the separator. More specifically, provided is a binder for a separator of a non-aqueous electrolyte battery, the separator comprising a 2-cyanoethyl group-containing polymer having bis-cyanoethyl ether content of 0.5% by weight or less as an impurity.

Планарная батарея источников тока

Полезная модель относится к области электротехники и может быть использована при производстве химических источников тока с биполярными электродами.Поставленная задача решается тем, что планарная батарея источников тока, содержащая биполярные электроды, электролит, сепараторы, крайние монополярные электроды, токосъемы, сепараторы, выполненные, по крайней мере, в виде двух полотен, установленных с наложением друг на друга, внутренняя поверхность одного из полотен содержит последовательно чередующиеся слои токопроводящего клея, активного вещества анода, диэлектрического клея и активного вещества катода; внутренняя поверхность другого полотна содержит последовательно чередующиеся слои диэлектрического клея, активного вещества катода, токопроводящего клея и активного вещества анода, согласно заявляемому техническому решению дополнительно содержит герметичное основание, на котором закреплены с помощью диэлектрического клея края полотен с последующим чередующимся наложением этих полотен и закреплением на верхней поверхности батареи полотен с помощью диэлектрического клея и герметичного покрытия. При этом чередующиеся полотна расположены на герметичном основании до достижения количества слоев, соответствующего расчетной емкости батареи.Технический результат заключается в снижении себестоимости и упрощении процесса производства за счет применения освоенной технологии изготовления планарных элементов с использованием сверхтонких сепараторов и электродов. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 168 023 U1 (51) МПК H01M 10/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21)(22) Заявка: 2016110729, 23.03.2016 (24) Дата начала отсчета срока действия патента: 23.03.2016 (72) Автор(ы): Анисимов Дмитрий Юрьевич (RU), Иванчик Аркадий Владимирович (RU) 17.01.2017 Приоритет(ы): (22) Дата подачи заявки: 23.03.2016 Адрес для переписки: 197198, Санкт-Петербург, ул. Ижорская, 13/39, кв. 67, Иванчик А.В. 1 6 8 0 2 ...

Литий-ионный аккумулятор

Предлагаемое техническое решение относится к области электротехники и может быть использовано для производства литий-ионных аккумуляторов, обеспечивающих более высокие значения удельной энергоемкости и расширение арсенала технических средств.Литий-ионный аккумулятор содержит металлический корпус, положительный электрод, выполненный в виде подложки, с нанесенным на ее поверхность активным слоем, и расположенный внутри металлического корпуса, отрицательный электрод, выполненный в виде подложки, с нанесенным на ее поверхность активным слоем, и расположенный внутри металлического корпуса, сепаратор, пропитанный неводным электролитом и размещенный между активными слоями положительного и отрицательного электродов, электролит, расположенный во внутренней полости металлического корпуса и загерметизированный уплотнительной электроизоляционной крышкой, закрепленной на металлическом корпусе, положительный и отрицательный контакты, подсоединенные одними своими выводами к соответствующим участкам внешней поверхности положительного и отрицательного электродов, при этом их подложки выполнены с толщиной 5-100 мкм и поверхностной плотностью 5-100г/м. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 169 539 U1 (51) МПК H01M 10/052 (2010.01) H01M 10/058 (2010.01) H01M 4/13 (2010.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21)(22) Заявка: 2015105734, 30.04.2015 (24) Дата начала отсчета срока действия патента: 30.04.2015 (72) Автор(ы): Логинов Александр Сергеевич (RU), Рябышев Михаил Дмитриевич (RU) 22.03.2017 (56) Список документов, цитированных в отчете о поиске: RU 128014 U1, 10.05.2013. US Приоритет(ы): (22) Дата подачи заявки: 30.04.2015 Адрес для переписки: 630032, г. Новосибирск, а/я 138, Белоусовой Е.В. 1 6 9 5 3 9 (57) Формула полезной модели 1. Литий-ионный аккумулятор, содержащий металлический корпус, положительный электрод, выполненный в виде подложки, с нанесенным на ее поверхность активным слоем, и ...

Positive electrode active material, nonaqueous electrolyte battery and method for manufacturing positive electrode active material

A positive electrode active material includes: a secondary particle obtained upon aggregation of a primary particle that is a lithium complex oxide particle in which at least nickel (Ni) and cobalt (Co) are solid-solved as transition metals, wherein an average composition of the whole of the secondary particle is represented by the following formula (1): Li x Co y Ni z M 1-y-z O b-a X a   Formula (1) wherein an existent amount of cobalt (Co) becomes large from a center of the primary particle toward the surface thereof; and an existent amount of cobalt (Co) in the primary particle existing in the vicinity of the surface of the secondary particle is larger than an existent amount of cobalt (Co) in the primary particle existing in the vicinity of the center of the secondary particle.

Secondary battery

An Example relates to a secondary battery including an electrode assembly and an electrolyte contained in a can. The electrode assembly includes an anode plate, a cathode plate and a separator. The electrolyte contains an organic solvent and a lithium salt at a concentration of about 0.5 M to about 1 M in the organic solvent.

Cable-Type Secondary Battery

Provided is a cable-type secondary battery including at least one anode extending longitudinally and having a horizontal cross section of a predetermined shape, a first electrolyte layer surrounding the anode and serving as an ion channel, at least one cathode extending longitudinally and having a horizontal cross section of a predetermined shape, the anode and the cathode arranged in parallel, a second electrolyte layer serving as an ion channel commonly surrounding the anode and the cathode, and a protection coating surrounding the second electrolyte layer. The cable-type secondary battery has free shape adaptation due to its linearity and flexibility. Introduction of the electrolyte layer on the electrode prevents a short circuit. The presence of a plurality of electrodes leads to an increased contact area therebetween and consequently a high battery rate. By adjusting the number of the anodes and the cathodes, it is easy to control the capacity balance therebetween.

Auxiliary electrodes for electrochemical cells containing high capacity active materials

Provided are novel electrochemical cells that include positive electrodes, negative electrodes containing high capacity active materials such as silicon, and auxiliary electrodes containing lithium. An auxiliary electrode is provided in the cell at least prior to its formation cycling and is used to supply lithium to the negative electrode. The auxiliary electrode may be then removed from the cell prior or after formation. The transfer of lithium to the negative electrode may be performed using a different electrolyte, a higher temperature, and/or a slower rate than during later operational cycling of the cell. After this transfer, the negative electrode may remain pre-lithiated during later cycling at least at a certain predetermined level. This pre-lithiation helps to cycle the cell at more optimal conditions and to some degree maintain this cycling performance over the operating life of the cell. Also provided are methods of fabricating such cells.

Electric storage device

To provide an electric storage device whose negative electrode can be doped with lithium ions in a short time and whose resistance can be lowered. An electric storage device including a unit that is obtained by alternately stacking a positive-electrode sheet 9 and a negative-electrode sheet 10 with a separator 3 interposed therebetween, the positive electrode sheet 9 including a positive-electrode active material layer 1 and a positive-electrode charge collector 4 , and the negative electrode sheet 10 including a negative-electrode active material layer 2 and a negative-electrode charge collector 5 , in which a foil, an etching foil, or a porous lath foil is used as the positive-electrode charge collector 4 and the negative-electrode charge collector 5 , a cut is made in a coating area of the positive-electrode active material layer 1 and the negative-electrode active material layer 2 , and a lithium supply source is disposed so as to be opposed to the negative electrode sheet 10 of the unit.

Computer aided solid state battery design method and manufacture of same using selected combinations of characteristics

A method of designing and manufacturing a solid-state electrochemical battery cell for a battery device. The method includes building a database of a plurality of first characteristics of a solid-state cells for a battery device and determining at least a third characteristic of the solid-state cell for a given application. The method also includes selecting at least one material of the solid-state electrochemical battery cell, the selected material being from the plurality of first characteristics and forming a plurality of factorial combinations of each component using the selected plurality of first characteristics to derive a respective plurality of solid-state electrochemical battery cells. The method performs a design optimization process for the third characteristic. A step of identifying an optimal design of the second characteristics with the selected first characteristics for each solid-state electrochemical battery cell from the plurality of solid-state cells is included.

Facility for forming lithium ion cells

A facility for forming lithium ion cells 1 preferably comprises an object support for the lithium ion cells 1 to be formed, and a forming system which contains an electrical circuit having an AD/DC converter unit 3, with multiple DC outputs 4, as needed, to which the lithium ion cells may be connected in an electrically conductive manner. To allow energy-optimized forming in this manner, a battery management system 6 is connected to each of the DC outputs 5, and is connectable to at least one lithium ion cell 1.

Advanced high durability lithium-ion battery

A sealing system for a Lithium-ion battery to extend the service life of the battery. The sealing system provides, in addition to an external case of the battery, at least one additional layer of hermetic sealing for cells within the external battery case. Films of various plastics, provided in a single layer or in a combination of layers, are used for assembling hermetically sealed enclosures for the cells.

Battery

Provided is a battery which has less tendency to experience delamination or loss of short circuit prevention layer and/or active material layer during manufacture and use. A battery comprising a laminated electrode assembly in which a positive electrode, a negative electrode, and a separator are laminated together; wherein an alumina-containing layer containing γ-alumina particles is formed on at least one species selected from among the group consisting of the positive electrode, the negative electrode, and the separator. The fact that alumina-containing layer(s) is or are made to contain γ-alumina particles makes it possible to obtain high bond strength between alumina-containing layer(s) and electrode(s) comprising metal(s), current collector(s) and/or active material(s) making up electrode(s), and/or separator(s).

Secondary battery

Disclosed are a secondary battery including an electrode assembly which includes a first electrode plate and a second electrode plate arranged as a stack, and a separator interposed between the first electrode plate and the second electrode plate, the first electrode plate including a first active material coating part formed by coating a base with a first active material and a first non-coating part, the second electrode plate including the second active material coating part formed by coating a base with a second active material and a second non-coating part, and the first non-coating part including an insulating member in a portion corresponding to the second electrode plate.

Secondary battery

A secondary battery including an electrode group 11 which is formed by winding or stacking a positive electrode plate 6 and a negative electrode plate 9 with separators 10 a, 10 b interposed therebetween, and is sealed in an exterior package 14 together with a nonaqueous electrolyte, wherein the positive electrode plate 6 includes a positive electrode mixture layer 5 formed on a positive electrode current collector 4, the negative electrode plate 9 includes a negative electrode mixture layer 8 formed on a negative electrode current collector 7, a gas adsorbing layer 19 including a binder and a structural material 16 made of inorganic oxide is formed on a surface of at least one of the positive electrode mixture layer 5 or the negative electrode mixture layer 8, and a gas adsorbent 18 is held in a pore 17 formed in the gas adsorbing layer 19.

Cable-type secondary battery

Provided is a cable-type secondary battery including an anode current collector having a horizontal cross section of a predetermined shape and extending longitudinally, an anode active material pattern layer having anode active material patterns spaced away at a predetermined interval on the anode current collector, an electrolyte layer surrounding the anode active material pattern layer and serving as an ion channel, a cathode active material pattern layer having cathode active material patterns spaced away at a predetermined interval on the electrolyte layer at locations corresponding to those of the anode active material patterns, and a cathode current collector surrounding the cathode active material pattern layer. The cable-type secondary battery having the active material patterns has excellent flexibility to prevent the active material from falling off from the active material layer.

Method for preparing secondary battery

Provided is a secondary battery inner cell stack stacking apparatus and method that prepare a secondary battery inner cell stack of a Z-folding stacking format. To be specific, provided is a secondary battery inner cell stack stacking apparatus and method according to a method for performing multiple insertions on a plurality of anode plates and cathode plates at once in both sides after folding a separator in a zigzag shape in advance.

Secondary battery, battery unit, and battery module

There is provided a secondary battery including a battery device that has a thickness of 3 to 20 mm, and a battery discharge capacity of 3 to 50 Ah, and an exterior material that packages the battery device. The battery device includes a positive electrode that has a positive electrode current collector and a positive electrode active material layer, a negative electrode that has a negative electrode current collector and a negative electrode active material layer, a separator that is interposed between the positive electrode and the negative electrode that are alternately laminated, a positive electrode tab that is electrically connected to a positive electrode current collector exposed portion and is led-out to the outside of the exterior material, and a negative electrode tab that is electrically connected to a negative electrode current collector exposed portion and is led-out to the outside of the exterior material.

Lithium secondary battery cathode

An object of the present invention is to provide a lithium secondary battery cathode which can more improve characteristics of the battery. The cathode of the present invention includes a first layer composed of a plate-like cathode active material and a second layer containing particles of the cathode active material and a binder, the second layer being joined to the first layer in a stacked state.

Non-aqueous electrolyte type lithium ion secondary cell

There is provided a lithium ion secondary cell excellent in charging and discharging cycle characteristics. A lithium ion secondary cell includes an electrode body including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a separator, and a non-aqueous electrolyte containing a lithium salt as a supporting salt in an organic solvent, the electrode body and the non-aqueous electrolyte being accommodated in a case. The positive electrode active material is a lithium transition metal oxide having a spinel type structure. The electrolyte contains a compound represented by a chemical formula (I) in an amount of β mol relative to the total content α mol of moisture to be mixed in the cell. β satisfies −0.8 log(β/α)≦1.5.

Battery system containing phase change material-containing capsules in interior configuration thereof

Provided is a battery system in which an interior part of a battery structure includes phase-change particles including a capsule and phase-change materials. The phase-change materials have a high latent heat of phase change at a specific temperature, and are encapsulated in the capsule. The capsule is made of an inert material. The battery system in accordance with the present invention can prolong a service life of the battery by inhibiting temperature elevation inside the battery under normal operating conditions without substantial effects on size, shape and performance of the battery, and further, can inhibit the risk of explosion resulting from a sharp increase in temperature inside the battery under abnormal operating conditions, thereby contributing to battery safety.

Non-aqueous electrolyte secondary battery and method of manufacturing the same

A non-aqueous electrolyte secondary battery having a negative electrode, a non-aqueous electrolyte, and a positive electrode having a positive electrode active material comprising sodium oxide, is characterized in that the sodium oxide contains lithium, and the molar amount of the lithium is less than the molar amount of the sodium.

Method of forming a solid state cathode for high energy density secondary batteries

A method for making a solid state cathode comprises the following steps: forming an alkali free first solution comprising at least one transition metal and at least two ligands; spraying this solution onto a substrate that is heated to about 100 to 400° C. to form a first solid film containing the transition metal(s) on the substrate; forming a second solution comprising at least one alkali metal, at least one transition metal, and at least two ligands; spraying the second solution onto the first solid film on the substrate that is heated to about 100 to 400° C. to form a second solid film containing the alkali metal and at least one transition metal; and, heating to about 300 to 1000° C. in a selected atmosphere to react the first and second films to form a homogeneous cathode film. The cathode may be incorporated into a lithium or sodium ion battery.

Anode of cable-type secondary battery and manufacturing method thereof

Provided is a method for manufacturing an anode of a cable-type secondary battery having a solid electrolyte layer, including preparing an aqueous solution of an anode active material, making an anode by immersing a core as a current collector having a horizontal cross section of a predetermined shape and extending longitudinally in the aqueous solution, then applying an electric current to form a porous shell of the anode active material on the surface of the core, and forming a solid electrolyte layer on the surface of the anode by passing the anode through a solid electrolyte solution. The anode has a high contact area to increase the mobility of lithium ions, thereby improving battery performance. Also, the anode is capable of relieving stress and pressure in the battery, such as volume expansion during charging and discharging, thereby preventing battery deformation and ensuring battery stability.

Electrochemical cell and contact element for making contact with it

An output conductor ( 102, 103, 202, 203, 303, 402 ) of an electrochemical cell ( 101, 201 ), or a contact element ( 406, 402 ) for making contact with it has, at least in places, a surface structure which increases the pressure which the output conductor and contact element exert on one another when the output conductor is connected with a force fit to a contact element.

Battery separators with variable porosity

A porous polymer battery separator is provided that includes variable porosity along its length. Such battery separators can increase the uniformity of the current density within electrochemical battery cells that may normally experience higher current density and higher temperatures near their terminal ends than they do near their opposite ends. By disposing a variable porosity separator between the electrodes of an electrochemical cell such that its terminal end has a lower porosity than its opposite end, the transport of ions, such as lithium ions, through the separator can be more restricted in normally high current regions and less restricted in normally low current regions, thereby increasing the overall uniformity of current density within the battery cell. Variable porosity battery separators may be produced by a modified solvent exchange process. The process may include forming a polymer-containing film having a non-uniform thickness, selectively densifiying the film so that it has a non-uniform polymer concentration, and inducing variable porosity in the film.

Battery

A battery includes: a stacked electrode body in which a first electrode plate having a potential of a first polarity and a second electrode plate having a potential of a second polarity are stacked through a first separator; a battery case that stores the stacked electrode body in a hermetically sealed state and is charged to the potential of the first polarity; and a wall surface resin that is arranged between the battery case and the stacked electrode body stored in the battery case. A second temperature at which the wall surface resin is melted or shrunken is lower than a first temperature at which the first separator is melted or shrunken, and when the internal temperature of the battery case becomes equal to or higher than the second temperature, the battery case and the second electrode plate come into contact with each other or are short-circuited to each other.

Thin film buried anode devices

A reverse configuration, lithium thin film battery ( 300 ) having a buried lithium anode layer ( 305 ) and process for making the same. The present invention is formed from a precursor composite structure ( 200 ) made by depositing electrolyte layer ( 204 ) onto substrate ( 201 ), followed by sequential depositions of cathode layer ( 203 ) and current collector ( 202 ) on the electrolyte layer. The precursor is subjected to an activation step, wherein a buried lithium anode layer ( 305 ) is formed via electroplating a lithium anode layer at the interface of substrate ( 201 ) and electrolyte film ( 204 ). The electroplating is accomplished by applying a current between anode current collector ( 201 ) and cathode current collector ( 202 ).

Electrical energy storage cell and electrical energy storage module including the same

The storage cell includes a flat roll electrode that includes a strip of positive electrode having a positive electrode current collector foil and a positive electrode layer formed thereon, a strip of negative electrode having an electrode current collector foil and a negative electrode layer formed, and a strip of electrically insulated separator, the strip of positive electrode and the strip of negative electrode being wound into a flat roll configuration with the strip of electrically insulated separator sandwiched therebetween; a sealed casing that hermetically seals the flat roll electrode impregnated with an electrolyte; a positive terminal and a negative terminal each electrically insulated from the sealed casing, connected to the positive current collector foil and the negative current collector foil, respectively.

Battery and battery pack having the same

A battery includes an electrode assembly having a first electrode plate and a second electrode plate each having an uncoated portion, and a separator located between the first electrode plate and the second electrode plate; a case accommodating the electrode assembly and having an opening; an electrode terminal connected to the electrode assembly and protruding from the case; and a cap assembly comprising a cap plate sealing the opening of the case, wherein the electrode assembly is constructed such that at least one of the uncoated portions of the first and second electrode plates extends along only a portion of the electrode assembly, and wherein the case has a bent portion formed on at least one side to generally correspond to the electrode assembly.

Secondary battery

A secondary battery includes an electrode assembly including a first electrode plate including a first electrode non-coating portion on which an active material of the first electrode plate is not coated, a second electrode plate including a second electrode non-coating portion on which an active material of the second electrode plate is not coated, and a separator between the first and second electrode plates; a collector electrically connected to an electrode non-coating portion of the first and second electrode non-coating portions, the collector including an insulation part at an insulation region of the collector adjacent the first and second electrode plates; and a case accommodating the electrode assembly and the collector.

Porous membrane for secondary battery and secondary battery

Disclosed is a porous membrane for a secondary battery, which has further improved output characteristics and long-term cycle characteristics when compared with conventional porous membranes. The porous membrane for a secondary battery is used for a lithium ion secondary battery or the like. Specifically disclosed is a porous membrane for a secondary battery, which contains polymer particles A that have a number average particle diameter of 0.4 μm or more but less than 10 μm and a glass transition temperature of 65° C. or more and polymer particles B that have a number average particle diameter of 0.04 μm or more but less than 0.3 μm and a glass transition temperature of 15° C. or less. It is preferable that the polymer particles B have a crystallization degree of 40% or less and a main chain structure that is composed of a saturated structure.

Electrode assembly and secondary battery including electrode assembly

Provided is a secondary battery that can raise the strength of a case by including an electrode assembly that has a negative electrode plate in the outermost part. For example, illustrated is an electrode assembly including a negative electrode plate comprising a negative electrode collector, the negative electrode collector having a first negative electrode coating portion disposed on a side of the negative electrode collector and a second negative electrode coating portion disposed on the other side of the electrode collector, a positive electrode plate including a positive electrode collector, the positive electrode collector having a first positive electrode coating portion disposed on a side of the positive electrode collector and a second positive electrode coating portion disposed on the other side of the electrode collector, and a separator disposed between the negative electrode plate and the positive electrode plate, wherein the negative electrode plate is disposed in the outermost part when the negative electrode plate, the positive electrode plate, and the separator are wound.

Process for producing thin film lithium secondary battery

A process for producing a chargeable-and-dischargeable thin film lithium secondary battery, which includes a substrate, a positive electrode film arranged on the substrate and formed in a structure of which lithium is insertable and releasable, an electrolyte film which is arranged on the positive electrode film and being in contact with the positive electrode film and contains lithium ions and in which lithium ions are movable, and a negative electrode film made of metallic lithium and arranged on the electrolyte film and being in contact with the electrolyte film, wherein after the negative electrode film is formed, a lithium carbonate film is formed on a surface of the negative electrode film by bringing a surface of the negative electrode film into contact with a surface-treating gas containing a rare gas and carbon dioxide. The process does not change the properties of a metallic lithium film as a negative electrode.

Battery

A battery includes a cover for sealing an opening of a battery case which contains an electrode assembly therein and current collectors for electrically connecting external terminals whose at least parts are disposed outside of the cover to the electrode assembly, respectively. Gaskets are interposed between a lower surface of the cover and the current collectors, respectively. In the gasket, a caulked portion is contained in an engagement recess formed at the lower surface of the cover. In contrast, the entire gasket is contained in another engagement recess formed at the lower surface.

Thin flexible battery

Disclosed is a thin flexible battery including: an electrode group which includes a positive electrode including a sheet-like positive electrode current collector with a positive electrode active material layer adhering to one surface thereof, a negative electrode including a sheet-like negative electrode current collector with a negative electrode active material layer adhering to one surface thereof, and an electrolyte layer interposed between the positive electrode active material layer and a lithium metal or lithium alloy; and a housing accommodating the electrode group. The housing includes a barrier layer, and resin layers formed on both surfaces thereof. The other surface of the positive electrode current collector and the other surface of the negative electrode current collector are in contact with the resin layer at an inner side of the housing, and have a surface roughness Rz 1 of 0.05 to 0.3 μm.

Secondary battery

In a battery case main body of the lithium secondary battery, many positive electrode plates and negative electrode plates are stacked. Furthermore, these many positive electrode plates and negative electrode plates are bundled for each predetermined number of plates. In each bundle, the positive electrode plates are bonded to one strap-shaped current collector lead 22 A and the negative electrode plates are bonded to one strap-shaped current corrector lead 22 B. These current collector leads 22 A and 22 B are connected to a positive electrode terminal and a negative electrode terminal, respectively. Then, according to a length L of the current corrector leads 22 A and 22 B for each bundle, a width W of the current corrector leads 22 A and 22 B is varied, thereby making current collector resistances of the stacked bodies uniform.

Electrochemical device using solid polymer electrolyte using fine polymer composite particles

The invention provides n electrochemical device containing a negative electrode having a negative electrode material layer at least on a surface; a positive electrode having a positive electrode material layer at least on a surface; and a solid polymer electrolyte of fine composite particles disposed between the negative electrode and the positive electrode. Each of the fine composite particles comprises a polymer brush layer of polymer graft chains. The fine composite particles form a substantially three-dimensional ordered array structure, and a continuous ion-conductive network channel is formed in each gap of the fine particles. The negative or positive electrode or electrode material layer have gaps filled with the fine composite particles. A contact interface between the solid electrolyte and the electrode material layer or the electrode is a polymer brush layer composed of polymer graft chains

Composite, electrode active material for secondary lithium battery including the composite, method of preparing the composite, anode for secondary lithium battery including the electrode active material, and secondary lithium battery including the anode

A composite includes a compound selected from the group consisting of a lithium lanthanum zirconium oxide and a lithium lanthanum tantalum oxide; a lanthanum oxide; and an oxide selected from the group consisting of a lanthanum zirconium oxide and a lanthanum tantalum oxide. An electrode active material for a secondary lithium battery may include such composite. Methods of preparing the composite, an electrode for a secondary lithium battery including the electrode active material, and a secondary lithium battery including the electrode are disclosed.

Method for manufacturing positive electrode and power storage device

To suppress decomposition of lithium cobalt oxide and formation of a decomposition product. To suppress the reaction between oxygen in lithium cobalt oxide and a current collector. To obtain a power storage device having high charge and discharge capacity. In a method for manufacturing a power storage device, in forming a lithium cobalt oxide layer over a positive electrode current collector by a sputtering method using a target containing lithium cobalt oxide and a sputtering gas containing Ar, the positive electrode current collector is heated at a temperature at which c-axes of crystals of lithium cobalt oxide are aligned and cobalt oxide is not formed. The heating temperature of the positive electrode current collector is higher than or equal to 400° C. and lower than 600° C.

Electrode for electrochemical device and method for producing the same

Provided is electrochemical device, such as a nonaqueous electrolyte battery, which has excellent discharge characteristics and the like by forming a thick electrode using a metal porous body, such as an aluminum porous body, as a current collector. An electrode for an electrochemical device includes a metal porous body filled with an active material, in which the metal porous body is sheet-like and is a stacked porous body in which a plurality of single-layer metal porous bodies are stacked and electrically connected to each other. The metal porous body may be an aluminum porous body having a three-dimensional network structure.

Fluoride ion electrochemical cell

The present invention provides electrochemical cells capable of good electronic performance, particularly high specific energies, useful discharge rate capabilities and good cycle life. Electrochemical cells of the present invention are versatile and include primary and secondary cells useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art primary lithium batteries and lithium ion secondary batteries. For example, electrochemical cells of the present invention include secondary electrochemical cells using anion charge carriers capable of accommodation by positive and negative electrodes comprising anion host materials, which entirely eliminate the need for metallic lithium or dissolved lithium ion in these systems.

Lithium ion battery and method for manufacturing of such battery

The present invention provides an electrochemical cell comprising an anodic current collector in contact with an anode. A cathodic current collector is in contact with a cathode. A solid electrolyte thin-film separates the anode and the cathode.

Cell

A cell in which thermal welding of a laminate packaging is performed so that the thickness of a thermal welded portion including an electrode terminal is larger than that of a thermal welded portion including no electrode terminal.

Battery structures, self-organizing structures, and related methods

An energy storage device includes a first electrode comprising a first material and a second electrode comprising a second material, at least a portion of the first and second materials forming an interpenetrating network when dispersed in an electrolyte, the electrolyte, the first material and the second material are selected so that the first and second materials exert a repelling force on each other when combined. An electrochemical device, includes a first electrode in electrical communication with a first current collector; a second electrode in electrical communication with a second current collector; and an ionically conductive medium in ionic contact with said first and second electrodes, wherein at least a portion of the first and second electrodes form an interpenetrating network and wherein at least one of the first and second electrodes comprises an electrode structure providing two or more pathways to its current collector.

Electrode assembly and lithium rechargeable battery using the same

An electrode assembly comprising an electrode tab or an electrode plate substrate which has an identification mark formed thereon and a lithium rechargeable battery using the same are disclosed. This identification mark makes it possible to easily check the record of the manufacturing processes of the battery, including production equipment, production date, line operators, and production lines when a battery malfunctions. This identification mark may prevent a replica of the defective component from being manufactured.

Method for producing lithium ion secondary battery

The method for producing a lithium ion secondary battery includes: selecting a positive electrode sheet, negative electrode sheet, and separator sheet; constructing an electrode assembly by superimposing the selected sheets; and housing the above electrode assembly in a battery case along with an electrolyte solution. In the method, at least one of the sheets is selected such that it satisfies the relationship 0.8<a/b<1.5 where a and b represent the slopes of straight lines respectively that are determined in tests under the respective conditions of (1) a high-rate loading-unloading cycle and (2) a low-rate loading-unloading cycle.

Extended energy storage unit

An integrated energy storage unit includes a container and a battery housed within the container. The battery includes a positive battery terminal, a negative battery terminal, and a battery electrolyte. A capacitor is housed within the container, separate from the battery. The capacitor includes a positive capacitor terminal, a negative capacitor terminal, and a capacitor electrolyte. A plurality of connectors electrically couple the battery and the capacitor in parallel A positive lead is electrically coupled to the positive battery terminal and the positive capacitor terminal. The positive lead extends from the container. A negative lead is electrically coupled to the negative battery terminal mi{acute over (α)} the negative capacitor terminal. The negative lead extends from the container.

Battery cell and device provided with the battery cell

The battery cell have a first and a second current collector, wherein the first current collector is connected to part of both of, part of any one of, or the whole of any one of a pair of positive-electrode layer stack sections of an electrode assembly, the second current collector is connected to part of both of, part of any one of, or the whole of any one of a pair of negative-electrode layer stack sections, and a connecting location between the first current collector and the positive-electrode layer stack sections and a connecting location between the second current collector and the negative-electrode layer stack sections are set so as to be asymmetrical to each other with respect to a second virtual plane.

Cell block with lateral supporting of the cells

The invention relates to an assembly composed of at least one galvanic cell and at least two frame elements, wherein one galvanic cell is respectively disposed between two frame elements, wherein the assembly forms a stack and has a tensioning device for bracing the assembly in the direction of the stack; wherein the galvanic cell comprises a flat main body and at least two current conductors, said main body having two flat sides and peripheral narrow sides; wherein each frame element comprises a plurality of, preferably four, beams connected to each other in a closed configuration and defining a free space therebetween; wherein the main body of the galvanic cell is received in the free space of two adjacent frame elements; and wherein at least in the region of the narrow sides of the main body, preferably beyond an edge in which the narrow sides transition into a flat side of the galvanic cell, the cross-sections of sections of the frame elements that face toward the free space are designed to follow the contour of the main body of the galvanic cell. In such a way, the galvanic cell can be laterally supported on the frame elements.

Lamination type secondary batteries

The present invention provides a lamination type secondary battery in which separators are prevented from becoming wrinkled and are free from laminating dislocation. An aspect of the present invention is a lamination type secondary battery in which a plurality of planar positive electrodes ( 2 ) and negative electrodes ( 3 ) are alternately laminated. The lamination type secondary battery includes a plurality of pairs of separators ( 4 ′), an intermittent joining section ( 6 ), and an outer periphery joining section ( 7 ). Each pair of separators ( 4 ′) sandwiches and coats at least one among from the positive electrodes ( 2 ) and the negative electrodes ( 3 ). The intermittent joining section ( 6 ) is arranged at predetermined intervals along an outer periphery of each of the positive electrodes ( 2 ) or each of the negative electrodes ( 3 ). The intermittent joining section ( 6 ) is a section that joins the pair of separators ( 4 ′). The outer periphery joining section ( 7 ) partly joins the outer peripheries of the pair of separators ( 4 ′) such that the outer periphery joining section ( 7 ) is harder than the other sections.

Battery

A battery outer covering for housing the winding-type power generating element is formed by an outer covering main body having an open face and a lid body for closing the open portion of the outer covering main body. The current collecting members and external terminals are disposed inside and outside the lid body. The current collecting members are fixed to the lid body and electrically connected to the external terminals. The power generating element includes a winding core which serves as a winding center of the electrode sheets and has rigidity. The power generating element has the winding core having the rigidity at a winding center. At least one end of the winding core is supported on an inner wall face of the outer covering main body.

Rechargeable battery

A rechargeable battery includes: an electrode assembly in a case; a cap plate coupled to an opening of the case; a rivet electrically connected to the electrode assembly, the rivet including: a first rivet flange; and a second rivet flange; and a gasket between the rivet flange and the cap plate, the gasket including: a first gasket flange configured to be coupled with the first rivet flange; and a second gasket flange configured to be coupled with the second rivet flange.

Protected lithium electrodes having a polymer electrolyte interlayer and battery cells thereof

Active metal and active metal intercalation electrode structures and battery cells having ionically conductive protective architecture including an active metal (e.g., lithium) conductive impervious layer separated from the electrode (anode) by a porous separator impregnated with a non-aqueous electrolyte (anolyte). This protective architecture prevents the active metal from deleterious reaction with the environment on the other (cathode) side of the impervious layer, which may include aqueous or non-aqueous liquid electrolytes (catholytes) and/or a variety electrochemically active materials, including liquid, solid and gaseous oxidizers. Safety additives and designs that facilitate manufacture are also provided.

Nonaqueous electrolyte battery, battery pack and vehicle

A nonaqueous electrolyte battery includes a negative electrode including a current collector and a negative electrode active material having a Li ion insertion potential not lower than 0.4V (vs. Li/Li + ). The negative electrode has a porous structure. A pore diameter distribution of the negative electrode as determined by a mercury porosimetry, which includes a first peak having a mode diameter of 0.01 to 0.2 μm, and a second peak having a mode diameter of 0.003 to 0.02 μm. A volume of pores having a diameter of 0.01 to 0.2 μm as determined by the mercury porosimetry is 0.05 to 0.5 mL per gram of the negative electrode excluding the weight of the current collector. A volume of pores having a diameter of 0.003 to 0.02 μm as determined by the mercury porosimetry is 0.0001 to 0.02 mL per gram of the negative electrode excluding the weight of the current collector.

Method of manufacturing positive electrode active material for lithium ion battery

At least one of an aqueous solution A containing lithium, an aqueous solution B containing iron, manganese, cobalt, or nickel, and an aqueous solution C containing a phosphoric acid includes graphene oxide. The aqueous solution A is dripped into the aqueous solution C, so that a mixed solution E including a precipitate D is prepared. The mixed solution E is dripped into the aqueous solution B, so that a mixed solution G including a precipitate F is prepared. The mixed solution G is subjected to heat treatment in a pressurized atmosphere, so that a mixed solution H is prepared, and the mixed solution H is then filtered. Thus, particles of a compound containing lithium and oxygen which have a small size are obtained.

Solid lithium secondary cell, and production method therefor

A solid electrolyte layer and electrode layers are formed within an electrically insulating frame part, and current collecting plates are held by the electrically insulating frame part. Since the current collecting plates are held by the frame part, the shifting or coming-apart of the current collecting plates can be restrained. In order to cause the current collecting plates to be held by the frame part, a powder of material of the electrode layer is filled in between the frame part and the current collecting plates.

Lithium secondary battery and manufacturing method thereof

An object is to improve the cycle performance by improving the reactivity between lithium and a negative electrode active material in the case where an alloy-based material such as silicon is used as the negative electrode active material. A method of manufacturing a lithium secondary battery including a positive electrode including a positive electrode active material into/from which lithium can be inserted/extracted, a negative electrode including a negative electrode active material into/from which lithium can be inserted/extracted, and an electrolyte solution is provided. The method includes the steps of electrochemically inserting lithium into the negative electrode with use of a counter electrode before the lithium secondary battery is assembled, electrochemically extracting part of the lithium inserted into the negative electrode after the insertion, and assembling the lithium secondary after the extraction.

Battery

A battery is provided with a container, one cell wide, having a top, a bottom, two end walls, a closed side wall and an open side. Plural plate elements are formed by connecting together a plurality of positive plates, each with a tab on one side, and a plurality of negative plates, each with a tab on an opposite side. The plural plate elements are inserted face first and positioned through the open side into the container. A separate cover seals the open side of the container and compresses the plural plate elements in the container. The battery may be either a sealed, valve-regulated, lead acid type or a lithium ion type. The container may have one or more cells and head space which serves as an electrolyte reservoir. The container also has holes formed in the two end walls. A pre-cast post is arranged either in each of the holes on one side of a multi-cellular container or in a single hole in each opposite end wall of a single-cell container. A transitional strap connects adjacent holes formed in the end walls of the multi-cellular container on a side opposite from the pre-cast posts. The separate cover has at least one hole formed therein. A vent plug is installed in the hole formed in the separate cover. The pre-cast post includes a central copper insert surrounded by a lead terminal which is partially surrounded by a plastic collar.

Rechargeable Battery

A rechargeable battery including an electrode assembly having a first electrode and a second electrode; a case housing the electrode assembly; a cap plate coupled to the case; a terminal electrically connected to the electrode assembly and protruding from the cap plate; a connecting member on the cap plate, the connecting member including a body, a first short-circuit tab within the body and electrically connected to the first electrode, and a second short-circuit tab within the body and electrically connected to the second electrode; and a short-circuit member spaced the first short-circuit tab and the second short-circuit tab.

Secondary battery assembly

A secondary battery assembly of the present invention comprises: a secondary battery including a wound electrode body enclosed in a flat rectangular case; a contact member partly contacting a side surface having a maximum area (pressed surface) of outer surfaces of the battery; and a binding member for binding the battery and the contact member, the binding member binding the contact member to partly press against the pressed surface. The contact member includes: a plurality of contact parts arranged discretely, each contact part being in contact with the pressed surface; and a connecting part connecting the contact parts. The contact parts are protruding from the connecting part toward the pressed surface, and to press more strongly both one-side regions of the pressed surface corresponding to portions off the center of the wound body in the winding axis direction, and to press less strongly a central region between the one-side regions.

Non-aqueous secondary battery

A non-aqueous secondary battery contains a positive electrode, a negative electrode, a separator and a non-aqueous electrolytic solution. The positive electrode contains a layered structure lithium-containing compound oxide, or a spinel lithium-containing compound oxide containing manganese as an active material. The non-aqueous electrolytic solution contains at least one additive selected from a sulfonic acid anhydride, a sulfonate ester derivative, a cyclic sulfate derivative and a cyclic sulfonate ester derivative, and a vinylene carbonate or a derivative of the vinylene carbonate.

Fuse for three dimensional solid-state battery

A solid-state battery structure having a plurality of battery cells formed in a substrate, method of manufacturing the same and design structure thereof are provided. The battery structure includes a patterned cathode electrode layer formed upon the substrate and structured to form a plurality of sub-arrays of the battery cells. The battery structure further includes a plurality of fuse wires structured to interconnect at least two adjacent sub-arrays. At least one of the plurality of fuse wires is structured to be blown to disconnect an interconnection having a defective sub-array. Advantageously, the plurality of fuse wires is an integral part of the battery structure.

Increasing the stiffness of battery cells for portable electronic devices

The disclosed embodiments relate to the manufacture of a battery cell. The battery cell includes a set of layers including a cathode with an active coating, a separator, and an anode with an active coating. The battery cell also includes a pouch enclosing the layers, wherein the pouch is flexible. The layers may be wound to create a jelly roll prior to sealing the layers in the flexible pouch. The stiffness of the battery cell may be increased by applying a pressure of at least 0.13 kilogram-force (kgf) per square millimeter and a temperature of about 85° C. to the layers.

METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE MATERIAL AND METHOD FOR PRODUCING LITHIUM SOLID STATE BATTERY

A method for producing a sulfide solid electrolyte material having a small amount of hydrogen sulfide generation and a high Li ion conductivity. To achieve the above, a method for producing a sulfide solid electrolyte material is provided, including steps of: a providing step for providing a crystallized sulfide solid electrolyte material prepared by using a raw material composition containing LiS and PS; and an amorphizing step for applying amorphization treatment to the crystallized sulfide solid electrolyte material. 18-. (canceled)9. A method for producing a sulfide solid electrolyte material comprising steps of:{'sub': 2', '2', '5, 'a providing step of providing a crystallized sulfide solid electrolyte material prepared by using a raw material composition containing LiS and PS; and'}an amorphization step of applying amorphization treatment to the crystallized sulfide solid electrolyte material.10. The method for producing a sulfide solid electrolyte material according to claim 9 , wherein the providing step has:an amorphization treatment step of applying the amorphization treatment to the raw material composition and obtaining an amorphized sulfide solid electrolyte material, anda crystallization treatment step of applying crystallization treatment by heat treatment to the amorphized sulfide solid electrolyte material and obtaining the crystallized sulfide solid electrolyte material.11. The method for producing a sulfide solid electrolyte material according to claim 10 , wherein a temperature of the heat treatment in the crystallization treatment step is not less than 300° C.12. The method for producing a sulfide solid electrolyte material according to claim 9 , wherein the providing step is a solid-phase reaction step of producing a solid phase reaction by heat treatment in the raw material composition and obtaining the crystallized sulfide solid electrolyte material.13. The method for producing a sulfide solid electrolyte material according to claim 9 , ...

FLEXIBLE BATTERY AND METHOD FOR PRODUCING THE SAME

Disclosed is a flexible battery including a sheet-like electrode group, an electrolyte, and a housing with flexibility enclosing the electrode group and electrolyte. The housing includes a film material folded into two in which the electrode group is inserted. The film material has two facing portions respectively facing two principal surfaces of the electrode group, a fold line which is between the two facing portions and along which the film material is folded, and two bonding margins respectively set around the two facing portions. The two bonding margins are bonded to each other into a bonded portion. At least the two facing portions of the film material are formed in a corrugated shape having a plurality of ridge and valley lines arranged in parallel to each other. The ridge lines in one of the two facing portions are overlapped with the valley lines in the other. The fold line is parallel to the ridge and valley lines. 1. A flexible battery comprising a sheet-like electrode group , an electrolyte , and a housing with flexibility enclosing the electrode group and the electrolyte , whereinthe housing includes a film material folded into two in which the electrode group is inserted;the film material has two facing portions respectively facing two principal surfaces of the electrode group, a fold line which is between the two facing portions and along which the film material is folded, and two bonding margins respectively set around the two facing portions;the two bonding margins are bonded to each other into a bonded portion;at least the two facing portions of the film material are formed in a corrugated shape having a plurality of ridge lines and a plurality of valley lines arranged in parallel to each other, and the ridge lines in one of the two facing portions are overlapped with the valley lines in the other of the two facing portions; andthe fold line is parallel to the ridge lines and the valley lines.2. The flexible battery according to claim 1 , ...

Lithium ion secondary battery, battery capacity recovery apparatus, and battery capacity recovery method

A lithium ion secondary battery includes: an outer covering material that is filled with an electrolyte; a collector that is housed in the outer covering material, formed with an electrode layer containing an active material, and electrically connected with the electrode layer; an insulation layer that is provided on the collector; and a low potential member that is provided on the insulation layer, has a lower oxidation reduction potential than the active material of the electrode layer, and possesses a reduction ability relative to the active material.

PRESSURE-RELIEF MECHANISM TO IMPROVE SAFETY IN LITHIUM-POLYMER BATTERY CELLS

The disclosed embodiments relate to a battery cell which includes a weakness for relieving pressure. This battery cell includes a jelly roll comprising layers which are wound together, including a cathode with an active coating, a separator and an anode with an active coating. The jelly roll also includes a first conductive tab coupled to the cathode and a second conductive tab coupled to the anode. The jelly roll is enclosed in a flexible pouch, wherein the first and second conductive tabs extend through seals in the pouch to provide terminals for the battery cell. This pouch includes a weakness which yields when internal pressure in the pouch exceeds a threshold to create a hole which releases the internal pressure. 1. A battery cell with a weakness for relieving pressure , comprising:a jelly roll comprising layers which are wound together, including a cathode with an active coating, a separator, and an anode with an active coating;a pouch, which encloses the jelly roll, wherein the pouch is flexible;a first conductive tab coupled to the cathode; anda second conductive tab coupled to the anode;wherein the first and second conductive tabs extend through seals in the pouch to provide terminals for the battery cell; andwherein the pouch includes a weakness which yields when internal pressure in the pouch exceeds a threshold to create a hole which releases the internal pressure.2. The battery cell of claim 1 , wherein the pouch includes multiple weaknesses at different locations on the pouch.3. The battery cell of claim 1 , wherein the weakness includes one of:a corner of the pouch which is cut;a pattern of tiny holes formed in a seal for the pouch; anda thinned region of the pouch material.4. The battery cell of claim 1 , wherein the weakness is located on one of:a side seal for the pouch;a terrace seal for the pouch;a corner of the pouch;a fold in the pouch material; anda location on a surface of the pouch which is not part of a seal.5. The battery cell of claim 1 , ...

Sealed type battery

A sealed type battery includes: a can where an electrode winding group; a lid which has a liquid filling hole for injecting a liquid electrolyte and seals an opening of the can; and a liquid filling tap which is fitted to the liquid filling hole and seals the liquid filling hole by welding. A projection molten in welding is provided on one of the outer surface of the liquid filling tap and the outer surface of the lid connected to the liquid filling hole. The liquid filling tap is welded to the liquid filling hole using molten metal of the projection in welding as well.

Bipolar battery

A bipolar battery includes: a power generation element formed by stacking a plurality of bipolar electrodes, in which an electrode layer is formed on a front and a rear of a collector, via an electrolyte layer; an elastic metal portion provided in contact with the power generation element so as to contact the power generation element in point or line contact when no external force is exerted thereon and contact the power generation element in surface contact when external force is exerted thereon; and an outer covering material provided to accommodate the power generation element and the elastic metal portion, an internal air pressure of which is set to be lower than an atmospheric pressure such that the elastic metal portion is caused to contact the power generation element in surface contact by a pressure difference between the internal air pressure and the atmospheric pressure.

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

The present invention provides a nonaqueous electrolyte secondary battery, comprising an electrode group including a positive electrode, a negative electrode including a material for absorbing-desorbing lithium ions, and a separator arranged between the positive electrode and the negative electrode, a nonaqueous electrolyte impregnated in the electrode group and including a nonaqueous solvent and a lithium salt dissolved in the nonaqueous solvent, and a jacket for housing the electrode group and having a thickness of 0.3 mm or less, wherein the nonaqueous solvent γ-butyrolactone in an amount larger than 50% by volume and not larger than 95% by volume based on the total amount of the nonaqueous solvent. 1. A nonaqueous electrolyte secondary battery , comprising:an electrode group including a positive electrode, a negative electrode containing a material for absorbing-desorbing lithium ions, and a separator arranged between the positive electrode and the negative electrode;a nonaqueous electrolyte impregnated in said electrode group and including a nonaqueous solvent and a lithium salt dissolved in said nonaqueous solvent; anda jacket for housing said electrode group, said jacket being made of a sheet having a thickness of 0.05 mm to 0.35 mm,wherein said nonaqueous solvent contains γ-butyrolactone in an amount of 40 to 95% by volume based on the total amount of the nonaqueous solvent.230-. (canceled)31. The battery according to claim 1 , wherein the nonaqueous solvent contains 60 to 95% by volume of γ-butyrolactone.32. The battery according to claim 1 , wherein the nonaqueous solvent further includes ethylene carbonate.33. The battery according to claim 32 , wherein the nonaqueous solvent further includes at least one kind of a third solvent selected from the group consisting of propylene carbonate claim 32 , vinylene carbonate claim 32 , trifluoropropylene claim 32 , diethyl carbonate claim 32 , methyl ethyl carbonate and an aromatic compound.34. The battery ...

SECONDARY BATTERY

An object of the invention is to provide a secondary battery having satisfactory high-temperature cycle characteristics. The present invention relates to a laminate type secondary battery including an electrode element containing an electrode pair in which a positive electrode and a negative electrode are arranged so as to face each other, an electrolyte and a jacket housing the electrode element and the electrolyte, in which the negative electrode includes a negative-electrode active material containing at least one of a metal (a) capable of forming an alloy with lithium and a metal oxide (b) capable of absorbing and desorbing lithium ions, a negative electrode binder and a negative electrode current collector; the electrolyte contains a nonaqueous solvent and biphenyl; and the content of the biphenyl in the electrolyte is 0.5 to 2.5% by mass, based on the total of the nonaqueous solvent and the biphenyl. 1. A laminate type secondary battery comprising: an electrode element comprising an electrode pair in which a positive electrode and a negative electrode are arranged so as to face each other; an electrolyte; and a jacket housing the electrode element and the electrolyte ,wherein the negative electrode comprises a negative-electrode active material comprising at least one of a metal (a) capable of forming an alloy with lithium and a metal oxide (b) capable of absorbing and desorbing lithium ions, a negative electrode binder and a negative electrode current collector;the electrolyte contains a nonaqueous solvent and biphenyl; and the content of the biphenyl in the electrolyte is 0.5 to 2.5% by mass, based on the total of the nonaqueous solvent and the biphenyl.2. The secondary battery according to claim 1 , wherein the content of the biphenyl in the electrolyte is 1 to 2% by mass claim 1 , based on the total of the nonaqueous solvent and the biphenyl.3. The secondary battery according to claim 1 , wherein the positive electrode binder is polyimide or polyamide ...

Manufacturing method of secondary battery, secondary battery, and assembled battery

A secondary battery includes an opening portion provided to a case. A first sealing body is provided to the opening portion, the first sealing body being displaced or deformed by a pressure difference between an inside and an outside of the case in such manners that the first sealing body is pressed by internal pressure to allow outflow of inside air from the opening portion when the internal pressure in the case is higher than external pressure and that the first sealing body is pressed by the external pressure to prevent entry of outside air from the opening portion when the internal pressure in the case is lower than the external pressure. Pressure in a space surrounded with the case and the first sealing body is set to be lower than pressure outside the space.

Electrode Assembly And Lithium Secondary Battery Including The Same

Provided is an electrode assembly, and more particularly, an electrode assembly having a structure wound in a state, in which a plurality of unit cells having a stacking structure is disposed on a long sheet type separation film, and including the unit cells having two or more types of configurations of electrode materials, wherein a separator stacked on the unit cell having a stacking structure has a coating material coated on both sides thereof and the long sheet type separation film has a coating material coated on one side thereof. According to the present invention, an electrode assembly improving processability of preparation of a battery while reducing initial resistance during the preparation of the battery as well as having battery lifetime equivalent to that of a conventional battery and a lithium secondary battery including the electrode assembly may be provided. 1. An electrode assembly having a structure wound in a state in which a plurality of unit cells having a stacking structure is disposed on a long sheet type separation film , comprising the unit cells having two or more types of configurations of electrode materials ,wherein a separator stacked on the unit cell having a stacking structure has a coating material coated on both sides thereof and the long sheet type separation film has a coating material coated on one side thereof.2. The electrode assembly of claim 1 , wherein thicknesses of the coating materials coated on the separator and the long sheet type separation film are in a range of about 0.001 μm to about 100 μm.3. The electrode assembly of claim 1 , wherein the coating materials are one or more selected from the group consisting of lead zirconate titanate (PZT) claim 1 , lead lanthanum zirconate titanate (PLZT) claim 1 , Pb(MgNb)O—PbTiO(PMN-PT) claim 1 , BaTiO claim 1 , hafnia (HfO) claim 1 , SrTiO claim 1 , TiO claim 1 , AlO claim 1 , ZrO claim 1 , SnO claim 1 , CeO claim 1 , MgO claim 1 , CaO claim 1 , ZnO claim 1 , and YO.4. The ...

Electrochemical cell package

A lithium-ion battery package can include flexible foil, a first conductor patch exposed on the flexible foil, a second conductor patch exposed on the flexible foil, a folded orientation of the flexible foil that includes a contact between the first conductor patch and the second conductor patch, and an expanded orientation of the flexible foil that includes a space between the first conductor patch and the second conductor patch. Various other apparatuses, systems, methods, etc., are also disclosed.

Separator and nonaqueous electrolytic secondary battery including the same

A separator for a battery according to the present disclosure (present separator) is held between a positive electrode and a negative electrode of the battery and includes an inorganic layer formation part and an inorganic layer non-formation part formed at an end. In addition, a nonaqueous electrolytic secondary battery according to the present disclosure includes: an electrode assembly including: a positive electrode having an active material layer including a positive electrode active material and a positive electrode current collector foil exposure part; a negative electrode having an active material layer including a negative electrode active material and a negative electrode current collector foil exposure part; and the present separator held between the positive electrode and the negative electrode; a case for housing the electrode assembly; and an electrolyte held between the positive electrode and the negative electrode.

SQUARE LITHIUM SECONDARY BATTERY

A square lithium secondary battery includes a wound body in which a collective sheet in which a positive electrode sheet and a negative electrode sheet overlap each other with a first separator interposed therebetween is wound while a second separator is put inside the collective sheet. An active material mixture layer on one or both surfaces of at least one of the positive electrode sheet and the negative electrode sheet includes a region with a plurality of openings and a region with no opening. At least a bent portion of the collective sheet is covered with the region with the plurality of openings. 1. A battery comprising:a positive electrode sheet;a negative electrode sheet; anda separator interposed between the positive electrode sheet and the negative electrode sheet,wherein the positive electrode sheet, the negative electrode sheet, and the separator are wound, so that each of the positive electrode sheet, the negative electrode sheet, and the separator includes a bent portion, andwherein the bent portion of one of the positive electrode sheet and the negative electrode sheet includes an opening.2. The battery according to claim 1 ,wherein the one of the positive electrode sheet and the negative electrode sheet includes a layer including an active material, andwherein the opening is provided in the layer.3. The battery according to claim 1 , wherein the bent portion of the other one of the positive electrode sheet and the negative electrode sheet includes an opening.4. The battery according to claim 1 ,wherein the one of the positive electrode sheet and the negative electrode sheet includes a second bent portion including a second opening, andwherein the bent portion including the opening and the second bent portion including the second opening overlap each other.5. The battery according to is a square battery.6. The battery according to is a square lithium secondary battery.7. A square battery comprising a wound body claim 1 , in the wound body claim 1 , a ...

Layered solid-state battery

A layered solid-state battery that includes a first unit cell, a second unit cell, and an internal collection layer that is disposed to intervene between the first unit cell and the second unit cell. Each of the unit cells is constituted of a positive electrode layer, a solid electrolyte layer, and a negative electrode layer that are sequentially stacked. The internal collection layer is disposed to be in contact with each of the negative electrode layers of the unit cells. Also, the internal collection layer contains an electron conductive material and an ion-conductively electrically conductive specific conductive material.

Non-aqueous electrolyte secondary battery and method for producing the same

Disclosed is a non-aqueous electrolyte secondary battery including: a spirally-wound electrode group including a continuous first electrode, a continuous second electrode, and a continuous separator interposed between the first electrode and the second electrode; and a non-aqueous electrolyte. The first electrode includes a sheet-like first current collector, and a first active material layer formed on a surface of the first current collector; and the second electrode includes a sheet-like second current collector, and a second active material layer formed on a surface of the second current collector. In the electrode group, the winding terminal end of the first electrode faces the second electrode on the further outer peripheral side, with the separator interposed therebetween. The facing site of the second electrode where the second electrode faces the winding terminal end of the first electrode is reinforced with a reinforcing component for supplementing the thickness of the second electrode.

Rechargeable battery

A battery includes a plurality of electrode assemblies arranged in a case, each electrode assembly including a first electrode, a second electrode and a separator between the first electrode and the second electrode, and an interior safety member including an interior plate between the electrode assemblies, the interior safety member being electrically connected to at least one of the plurality of electrode assemblies.

NEGATIVE-LIMITED LITHIUM-ION BATTERY

A rechargeable lithium-ion battery includes a housing including a titanium or a titanium alloy, a positive electrode having a first capacity and at least one positive active material selected from the group consisting of LiCoO, LiMnO, LiNiO, LiCoPO, LiCoPOF, LiFeMnO, LiAlCoNiO, and LiTiCoNiO, a negative electrode having a second capacity that is less than the first capacity, such that the battery has a negative-limited design, and a negative active material that is configured to cycle lithium ions at a potential of greater than approximately 0.2 volts versus a lithium reference electrode, a liquid electrolyte including a lithium salt dissolved in at least one non-aqueous solvent, and a porous polymeric separator located between the positive electrode and negative electrode and configured to allow lithium ions to flow through the separator. 1. A rechargeable lithium-ion battery comprising:a housing comprising titanium or a titanium alloy;{'sub': 2', '2', '4', '2', '4', '4', '2−x', '4', 'x', 'y', '(1−x−y)', '2', 'x', 'y', '(1−x−y)', '2, 'a positive electrode having a first capacity and comprises at least one positive active material selected from the group consisting of LiCoO, LiMnO, LiNiO, LiCoPO, LiCoPOF, LiFeMnO(where 0 Подробнее

Battery and battery system

[PROBLEM] In space-conservative fashion, at low cost, and with high efficiency, to carry out absorption of gas produced at the interior of a battery. [SOLUTION MEANS] Secondary battery 21 is provided with case 3 in which positive electrode 10 and negative electrode 11 are sealed together with electrolyte, and with explosion prevention valve 4 for allowing escape of high-pressure gas present at the interior of case 3 when pressure within case 3 rises; and is further provided with gas absorber 13 or 14 for absorbing high-pressure gas. Gas absorber 13 , includes gas-absorbent material 6 and capsule 5 , which comprises hot-melt material, and is provided within case 3 , this capsule 5 including, at the interior thereof, gas-absorbent material 6 . Furthermore, gas absorber 14 , which may be provided outside case 3 , may include gas-absorbent material 6 ; cartridge case 14 a which houses, at the interior thereof, gas-absorbent material 6 ; gas inlet valve 14 b for causing high-pressure gas to flow thereinto; and gas outlet valve 14 c for causing high-pressure gas to flow out therefrom.

Compositions, layerings, electrodes and methods for making

There is a cell comprising an article comprising a hydrocarbon ionomer. The article may be any element in the cell, such as an interior wall, or a modification to an element, such as a film, a membrane, and a coating. The hydrocarbon ionomer is any polymer with ionic functionality, such as a polymeric (methacrylate) neutralized with lithium, and not containing halogen or halogen-containing substituents. The hydrocarbon ionomer may also be included in a composition within an element of the cell, such as a porous separator. The cell also comprises a positive electrode including sulfur compound, a negative electrode, a circuit coupling the positive electrode with the negative electrode, an electrolyte medium and an interior wall of the cell. In addition, there are methods of making the cell and methods of using the cell.

Fabricating method of secondary battery

A fabrication method of a secondary battery having excellent electrolyte impregnating characteristics and excellent productivity without fracture of an electrode plate or separation of an active material is disclosed. The fabrication method includes providing a plurality of first electrode plates and second electrode plates and two separators, attaching the plurality of first electrode plates to portions between the two separators, attaching the plurality of second electrode plates to one of the two separators, winding the separators having the plurality of first and second electrode plates to form a wound electrode assembly, removing curved portions of the outermost separators positioned at exterior sides of the first and second electrode plates to form a stacked electrode assembly and accommodating the stacked electrode assembly in a sheath member.

Solid Type Secondary Battery Using Silicon Compound and Method for Manufacturing the Same

A solid type secondary battery manufactured at low cost and which rarely causes an environmental problem by employing a silicon compound in a cathode and an anode, includes silicon carbide having a chemical formula SiC in a positive electrode , silicon nitride having a chemical formula of SiNin a negative electrode and a cationic or anionic nonaqueous electrolyte between the positive electrode and the negative electrode 1. A solid type secondary battery comprising:silicon carbide having a chemical formula of SiC as a positive electrode,{'sub': 3', '4, 'silicon nitride having a chemical formula of SiNas a negative electrode, and'}{'sub': 3', '3', '2', '4', '3, 'sup': 2', '2', '+', '−, 'a nonaqueous electrolyte, between the positive electrode and the negative electrode, formed of any one of ion exchange resins of polymers selected from the group consisting of a cationic sulfonic acid group (—SOH), a carboxyl group (—COOH), an anionic quaternary ammonium group (—N(CH)CHOH), and a substituted amino group (—NH(CH)) as a binding group, wherein, in charging, a silicon cation (Si) is generated at the positive electrode and a silicon anion (Si) is generated at the negative electrode.'}2. A solid type secondary battery comprising:silicon carbide having a chemical formula of SiC as a positive electrode,{'sub': 3', '4, 'silicon nitride having a chemical formula of SiNas a negative electrode, and'}{'sub': 3', '3', '3', '2', '2', '3', '2', '2, 'sup': +', '−, 'a nonaqueous electrolyte, between the positive electrode and the negative electrode, formed of an inorganic ion exchange substance selected from the group consisting of tin chloride (SnCl), zirconium magnesium oxide solid solution (ZrMgO), zirconium calcium oxide solid solution (ZrCaO), zirconium oxide (ZrO), silicon-balumina (AlO), monoxide nitrogen silicon carbide (SiCON) and phosphoric acid zirconium silicon(SiZrPO), wherein, in charging, a silicon cation (Si) is generated at the positive electrode and a silicon anion (Si ...

Electrochemical energy storage device, battery having at least two such electrochemical energy storage devices, and method for operating such an electrochemical energy strorage device

Electrochemical energy storage device ( 1 ) with at least one electrode assembly, particularly a rechargeable electrode assembly ( 2 ), that is designed to at least temporarily supply electrical energy, which electrode assembly has at least two electrodes ( 3, 3 a ) of differing polarities, with a functional device ( 5 ) that is designed to be electrically connected to the at least two electrodes ( 3, 3 a ) of differing polarity, and which is designed to be switchable to a second state, wherein the electrodes ( 3, 3 a ) of differing polarity are electrically connected to each other when the functional device ( 5 ) is in the second state, with a cell housing ( 6 ) that is designed to at least partially surround the electrode assembly ( 2 ) and the functional device ( 5 ).

Lithium Secondary Battery Having Multi-Directional Lead-Tab Structure

A lithium rechargeable battery, and more particularly, a lithium rechargeable battery having a multidirectional lead-tab structure is provided. The lithium rechargeable battery includes: an electrode assembly in which a separator and an electrode plate having a current collector, an active material, and a tab are alternately stacked; a lead electrically connected to the tab; and a battery case, wherein the lead is divided into a positive electrode lead and a negative electrode lead, and at least one positive electrode lead and at least one negative electrode lead are provided. The lithium rechargeable battery is appropriate for using a high current even while using a conventional lead-tab size. 1. A lithium rechargeable battery comprising:an electrode assembly in which a separator and an electrode plate having a current collector, an active material, and a tab are alternately stacked;a lead electrically connected to the tab; anda battery case,wherein the lead is divided into a positive electrode lead and a negative electrode lead, and at least one positive electrode lead and at least one negative electrode lead are provided.2. The lithium rechargeable battery of claim 1 , wherein the electrode assembly is formed by alternately stacking electrode plates and separators so that tabs of electrode plates of the same polarity have different axial direction positions claim 1 , and the leads are provided at positions corresponding to the tab positions.3. The lithium rechargeable battery of claim 1 , wherein the electrode assembly is formed by alternately stacking electrode plates and separators so that tabs of electrode plates of different polarity have different axial direction positions claim 1 , and the leads are provided at positions corresponding to the tab positions.4. The lithium rechargeable battery of claim 1 , wherein the electrode assembly has a rectangular cross-sectional shape claim 1 , and the positive electrode lead and the negative electrode lead are each ...

METHOD FOR PRODUCING ANODE MATERIAL, ANODE MATERIAL, METHOD FOR PRODUCING LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY

A main object of the present invention is to provide a method for producing an anode material which enhances the reversibility of the conversion reaction and the cycle characteristics of lithium secondary batteries. The object is attained by providing a method for producing an anode material that is used in a lithium secondary battery, comprising a mechanical milling step of micronizing a raw material composition containing MgHby mechanical milling. 1. (canceled)2. A method for producing an anode material that is used in a lithium secondary battery , comprising:{'sub': '2', 'a mechanical milling step of micronizing a raw material composition containing MgHby mechanical milling, and'}a hydrogen absorption and desorption step of micronizing a material obtained by the mechanical milling step by absorption and desorption of hydrogen in a gas phase.3. A method for producing an anode material that is used in a lithium secondary battery , comprising:a mechanical milling step of micronizing a raw material composition containing Mg by mechanical milling; anda hydrogen absorption and desorption step of micronizing a material obtained by the mechanical milling step by absorption and desorption of hydrogen in a gas phase.4. A method for producing an anode material that is used in a lithium secondary battery , comprising:{'sub': '2', 'a hydrogen absorption and desorption step of micronizing a material containing Mg or MgHby absorption and desorption of hydrogen in a gas phase.'}5. The method for producing an anode material according to claim 2 , wherein an average particle size of a MgH-containing particle obtained after the hydrogen absorption and desorption step is in the range of 50 nm to 150 nm.6. The method for producing an anode material according to claim 2 , wherein the raw material composition or the material contains Mg or MgHfurther contains at least one of a conductive material and a metal catalyst that enhances reversibility of conversion reaction.7. An anode ...

COMPONENT INCLUDING A RECHARGEABLE BATTERY

A component including a rechargeable battery and a method of producing such a component are disclosed. The component uses one of an acid and an alkaline chemistry and the battery has an anode structure, a cathode structure, and a separator structure which separates the anode from the cathode and contains an electrolyte. The anode structure and the cathode structure are each formed from a composite material which includes electrically conductive fibres and electrochemically active material in a binder matrix and the battery is formed to be structurally inseparable from the rest of the component. 1. A component comprising:a rechargeable battery having one of an alkaline and acid based chemistry, the battery having an anode structure, a cathode structure and a separator structure which separates the anode structure from the cathode structure and contains an electrolyte in which the anode structure and the cathode structure are each formed from a composite material which includes electrically conductive fibres and electrochemically active material in a binder matrix and wherein the battery is structurally inseparable from the rest of the component.2. A component according to claim 1 , in which the separator structure is formed from a composite material which includes electrically insulating fibres in a binder matrix.3. A component according to claim 1 , comprising:a battery using an aqueous liquid or gel electrolyte.4. A component according to claim 1 , comprising:a nickel-zinc rechargeable battery.5. A component according to claim 1 , comprising:a nickel-iron, nickel-cadmium, nickel metal hydride or silver-zinc rechargeable battery.6. A component according to claim 1 , comprising:a lead acid battery.7. A component according to claim 1 , in which one or more of the anode structure claim 1 , the cathode structure and the separator structure contains a porous additive which increases access of the electrolyte into said structure.8. A component according to claim 7 , in ...

Electric storage element and method for manufacturing electric storage element

An electric storage element includes: an electrode body having a positive electrode and a negative electrode; a case for housing the electrode body; an insulating member arranged in the case to insulate the electrode body from the case; and a spacer arranged in the case. The spacer is arranged between the insulating member and the electrode body.

NONAQUEOUS SECONDARY CELL AND METHOD OF MANUFACTURING THE SAME

A thin nonaqueous secondary cell has high stability where a positive charge collector and a negative charge collector also serve as outer covering members. A sealing layer concurrently achieves high adhesiveness with both electrode charge collectors, high reliability preventing of short circuits, and satisfactory gas barrier properties. The nonaqueous secondary cell includes a positive charge collector containing aluminum as a primary component, a positive electrode layer formed on the positive charge collector, a negative charge collector containing copper as a primary component, a negative electrode layer formed on the negative charge collector so the negative electrode layer opposes the positive electrode layer, and a separator including an electrolyte between positive and negative electrode layers. Inner surfaces of a peripheries of positive and negative charge collectors are connected while a sealing material including a multilayered structure is interposed between the inner surfaces of the peripheries of the two charge collectors. 1. A nonaqueous secondary cell comprising:a positive charge collector containing aluminum as a primary component;a positive electrode layer formed on the positive charge collector;a negative charge collector containing copper as a primary component;a negative electrode layer formed on the negative charge collector so that the negative electrode layer is opposed to the positive electrode layer; anda separator provided between the positive electrode layer and the negative electrode layer, the separator including an electrolyte,wherein an inner surface of a periphery of the positive charge collector and an inner surface of a periphery of the negative charge collector are connected to each other while a sealing material comprising a multilayered structure including at least a positive fusion layer, a gas barrier layer, and a negative fusion layer is interposed between the inner surfaces of the peripheries of the positive charge collector ...

ELECTROCHEMICAL CELLS AND USE THEREOF

Electrochemical cells comprise 1. An electrochemical cell comprising(A) at least one cathode comprising at least one lithiated Mn-containing compound having an Mn content of from 60 to 80 mol %, based on transition metal in cathode (A),(B) at least one anode comprising carbon in electrically conductive form,(C) at least one electrolyte comprising(a) at least one aprotic organic solvent,(b) at least one lithium salt,(c) at least one organic compound having at least one Si—N single bond per molecule.2. The electrochemical cell according to wherein said lithiated Mn-containing compound is a lithiated Mn-containing spinel.3. The electrochemical cell according to or wherein said lithiated Mn-containing compound is a compound of the general formula (I){'br': None, 'sub': 1+t', '2−t', '4-d, 'LiMO\u2003\u2003(I)'}whered is from zero to 0.4,t is from zero to 0.4,M is two or more metals from groups 3 to 12 of the periodic table, wherein more than 60 mol % of M is manganese.4. The electrochemical cell according to any one of to wherein said anode (B) is selected from graphite anodes.5. The electrochemical cell according to any one of to wherein said aprotic organic solvent (a) is selected from organic carbonates (cyclic or acyclic) claim 1 , di-C-C-alkyl ethers claim 1 , di-C-C-alkyl-C-C-alkylene ethers claim 1 , and cyclic and acyclic acetals and ketals.7. The electrochemical cell according to any one of to wherein compound of general formula (II) is selected as follows:{'sup': '1', 'sub': 1', '4', '1', '4, 'Rin each occurrence is the same and selected from C-C-alkyl, C-C-alkoxy and phenyl,'}{'sup': '2', 'Ris selected from methyl, ethyl, isopropyl, tert-butyl and benzyl,'}{'sup': '3', 'Ris selected from hydrogen, methyl and ethyl.'}9. The use of electrochemical cells according to any one of to in lithium ion batteries.10. The use according to wherein a potential difference of at least 4.5 volts is reached between at least one anode and at least one cathode at least ...

Electrochemical energy converter device with a cell housing, battery with at least two of these electrochemical energy converter devices and alsomethod for producing an electrochemical energy converter device

An electrochemical energy converter device () with at least one in particular rechargeable electrode assembly (), which is provided to provide electrical energy at least intermittently to a consumer in particular, which has at least two electrodes () of different polarity, with at least a current conduction device (), which is provided to be electrically, preferably materially connected to one of the electrodes () of the electrode assembly (), with a cell housing () with a first housing part (), wherein the first housing part () is provided to encompass the electrode assembly () at least in certain areas. 21. The converter cell () according to claim 1 , characterised in that{'b': 6', '7', '7', '8', '8, 'i': a', 'a', 'a, 'the first housing part () has at least one second support element (), wherein the second support element () is provided to support at least one of these functional devices (, ),'}{'b': 6', '8', '8', '5', '26', '8', '8', '26', '7', '7, 'i': a', 'a, 'the first housing part () has at least two of these functional devices (, a) and an insulating device (), wherein the two functional devices (, ) and the insulating device () are arranged between the first support element () and the second support element (),'}{'b': 8', '8, 'i': 'a', 'the first functional device () and the second functional device () are constructed to be electrically conductive, preferably are constructed as metal films in each case,'}{'b': 8', '3', '2', '8', '3', '2, 'i': a', 'a, 'the first functional device () is in particular electrically connected to one of the electrodes () of first polarity of the electrode assembly () and the second functional device () is electrically connected to one of the electrodes () of second polarity of the electrode assembly (),'}{'b': 26', '8', '8', '26, 'i': 'a', 'the insulating device () is configured to at least temporarily electrically insulate the first functional device () with respect to the second functional device (), wherein this configuration ...

SECONDARY BATTERY

A battery includes a wound plate pack formed with a positive electrode comprising a positive electrode coated part having a positive foil and a positive electrode uncoated part, and a negative electrode comprising a negative electrode coated part having a negative foil and a negative electrode uncoated part; a battery container into which electrolyte is injected; a positive terminal and a negative terminal provided on the battery container; a positive current collector connecting the positive electrode uncoated part and the positive terminal; and a negative current collector connecting the negative electrode uncoated part and the negative terminal, having multiple through holes between a joining part with the positive current collector in the positive electrode uncoated part and the positive electrode coated part; and multiple through holes between a joining part with the negative current collector in the negative electrode uncoated part and the negative electrode coated part. 1. A secondary battery comprising:a wound plate pack formed by winding, with a separator intervening in-between, a positive electrode provided with a positive electrode coated part having a long positive foil coated with positive electrode active material and a positive electrode uncoated part and a negative electrode provided with a negative electrode coated part having a long negative foil coated with negative electrode active material and a negative electrode uncoated part;a battery container which houses the wound plate pack and into which electrolyte is injected;a positive terminal and a negative terminal provided on the battery container;a positive current collector that connects the positive electrode uncoated part and the positive terminal; anda negative current collector that connects the negative electrode uncoated part and the negative terminal,wherein a plurality of through holes are formed in a winding direction between a joining part with the positive current collector in the ...

Electrical Storage Device and Method of Manfacturig Electrical Storage Device

An electrochemical capacitor that is resistant to vibration is provided. A positive current collecting member 39 is welded to an unapplied portion 25 of a positive electrode 9 included in a wound electrode group 5 . An outer peripheral portion 40 of the positive current collecting member 39 is shaped and sized to extend to a position beyond a top portion 3 c of an annular projected portion 3 a . An insulating ring member 63 is disposed in a compressed state between the positive current collecting member 39 and the annular projected portion 3 a and also between the positive current collecting member 39 and the annular projected portion 3 a and an annular wall portion 3 d of a peripheral wall portion that is continuous with the annular projected portion. This configuration makes it possible to reliably fix an electrode group unit in a container 3 while preventing a short circuit.

Apparatus and Associated Methods

An apparatus including at least one substrate, the at least one substrate including first and second electrodes and configured to form a sealed chamber with the first and second electrodes contained therein and facing one another, the sealed chamber including electrolyte in the space between the first and second electrodes, wherein the at least one substrate is configured to undergo reversible stretching whilst still forming the sealed chamber containing the electrolyte.

METHOD FOR PRODUCING LITHIUM-ION BATTERY

A positive electrode plate , a separator , and a negative electrode plate are prepared. The positive electrode plate , the separator , and the negative electrode plate are combined so as to form a spirally-wound electrode assembly . A winding end portion of the electrode assembly is fixed with a heat-sensitive adhesive (preferably, a heat-sensitive adhesive tape ) whose adhesive force can be reduced by heating or cooling. The electrode assembly is placed in an outer casing , and then the ambient temperature of the electrode assembly is adjusted so that the electrode assembly is loosened due to reduction in the adhesive force of the heat-sensitive adhesive. An electrolyte solution is injected into the outer casing 1. A method for producing lithium-ion batteries , the method comprising the steps of:preparing a positive electrode plate, a separator, and a negative electrode plate;combining the positive electrode plate, the separator, and the negative electrode plate so as to form a spirally-wound electrode assembly;fixing a winding end portion of the electrode assembly with a heat-sensitive adhesive whose adhesive force can be reduced by heating or cooling;placing the electrode assembly in an outer casing, and then adjusting an ambient temperature of the electrode assembly so that the electrode assembly is loosened due to reduction in the adhesive force of the heat-sensitive adhesive; andinjecting an electrolyte solution into the outer casing.2. The method for producing lithium-ion batteries according to claim 1 , wherein the heat-sensitive adhesive is a warm-off type adhesive whose adhesive force is reduced or substantially lost at a temperature higher than a preset temperature.3. The method for producing lithium-ion batteries according to claim 2 , whereinthe separator includes a microporous membrane made of polyolefin,the preset temperature is lower than a shutdown temperature of the microporous membrane, andthe ambient temperature of the electrode assembly is ...

ENERGY STORAGE DEVICE, WINDING APPARATUS, AND WINDING METHOD

An energy storage device includes: a core; and a wound body including, layered and wound around the core: a positive electrode, a negative electrode, and two separators, one of which is interposed between the positive electrode and the negative electrode and each having a first surface and a second surface. The first surface has thermal bonding properties superior to thermal bonding properties of the second surface, and at least one of the two separators is bonded to the core via the first surface thereof. 1. An energy storage device comprising:a core; anda wound body including, layered and wound around the core: a positive electrode, a negative electrode, and two separators, one of which is interposed between the positive electrode and the negative electrode and each having a first surface and a second surface, the first surface having thermal bonding properties superior to thermal bonding properties of the second surface;wherein at least one of the two separators is bonded to the core via the first surface thereof.2. The energy storage device according to claim 1 ,wherein at least one of the two separators is bonded to the core via the first surface thereof, andthe two separators are bonded together via the first surfaces thereof.3. The energy storage device according to claim 1 ,wherein the two separators are bonded to the core via the first surfaces thereof.4. The energy storage device according to claim 3 ,wherein the core has a main body and a branch portion branching off from the main body, andat least one of the two separators is bonded to the branch portion via the first surface thereof.5. The energy storage device according to claim 4 ,wherein the two separators sandwich the branch portion and are bonded to the branch portion via the first surfaces thereof.6. The energy storage device according to claim 4 ,wherein one of the two separators is bonded to the branch portion via the first surface thereof, andthe other of the two separators is bonded to the ...

Nonaqueous electrolyte secondary battery

In one embodiment, a nonaqueous electrolyte secondary battery includes an electrode group, a battery container, an insulation member, and a nonaqueous electrolyte solution. The electrode group includes a positive electrode, a negative electrode and a separator disposed between the positive electrode and the negative electrode. The insulation member, which insulates the positive electrode and the negative electrode from the battery container and absorbs vibration, includes a resin and an inorganic material and has a bending elastic modulus between 600 MPa and 1,500 MPa, a specific heat between 0.25 cal/° C.·g and 0.40 cal/° C.·g, and a thermal conductivity between 0.3 W/m·K and 0.6 W/m·K.

Method for manufacturing battery cell and battery cell manufactured using the same

Disclosed is a method for manufacturing a battery cell including an electrode assembly and electrolyte provided in a battery case composed of a laminate sheet having a resin layer and a metal layer, which includes; (a) thermally fusing and sealing the periphery of the case except for an end part thereof while the electrode assembly is mounted in the case; (b) introducing the electrolyte through the unsealed end part then sealing the same by thermal fusion; (c) charging and discharging the battery cell to activate the same; (d) puncturing the unsealed part inside the end part to form a through-hole communicating with the inside of the case; and (e) pulling top and bottom faces of the battery case in the opposite direction to each other at the unsealed part to open the same while applying vacuum pressure, to thereby remove the gas generated during activation as well as excess electrolyte.

Total Solid Battery and Method of Producing the Same

A method of producing a total solid battery by stacking a molded body of each of a positive electrode material, a solid electrolyte material, a negative electrode material, and a collector material and firing the stacked body. The firing step includes a first firing step of firing the stacked body in an inert atmosphere and, after the first firing step, a second firing step of firing the stacked body in an atmosphere containing oxygen. 1. A method of producing a total solid battery , the method comprising:forming a stacked body by stacking a molded body of each of a positive electrode material, a solid electrolyte material, a negative electrode material, and a collector material adjacent at least one of the positive electrode material and the negative electrode material; andfiring said stacked body, a first firing step of firing said stacked body in an inert atmosphere; and', 'after the first firing step, a second firing step of firing said stacked body in an atmosphere containing oxygen., 'wherein said firing includes2. The method of producing a total solid battery according to claim 1 , wherein said first firing step includes heating said stacked body at a temperature of 600° C. or below.3. The method of producing a total solid battery according to claim 2 , wherein said temperature is at least 100° C.4. The method of producing a total solid battery according to claim 2 , wherein said second firing step includes heating said stacked body at a temperature of 200° C. to 700° C.5. The method of producing a total solid battery according to claim 1 , wherein said second firing step includes heating said stacked body at a temperature of 200° C. to 700° C.6. The method of producing a total solid battery according to claim 1 , wherein an oxygen content in the atmosphere containing oxygen is more than 0 vol % and 20 vol % or less.7. The method of producing a total solid battery according to claim 6 , wherein the oxygen content is 0.5 vol % or more and 5 vol % or less.8. ...

MANUFACTURE DEVICE OF BATTERY CELL

Disclosed herein is a battery cell manufacturing device configured to manufacture a battery cell including two or more unit cells. The battery cell manufacturing device includes a unit cell stacking unit into which unit cells are introduced from above and in which the unit cells are sequentially stacked, a wrapping unit to wrap an outside of the unit cell stack discharged from the unit cell stacking unit with a separation film, and a heating unit to thermally shrink the separation film wrapping the outside of the unit cell stack. 1. A battery cell manufacturing device configured to manufacture a battery cell comprising two or more unit cells , the battery cell manufacturing device comprising:a unit cell stacking unit into which unit cells are introduced from above and in which the unit cells are sequentially stacked;a wrapping unit to wrap an outside of a unit cell stack discharged from the unit cell stacking unit with a separation film; anda heating unit to thermally shrink the separation film wrapping the outside of the unit cell stack.2. The battery cell manufacturing device according to claim 1 , wherein each of the unit cells is configured to have a structure in which two or more electrode plates are stacked in a state in which a separator is disposed between the electrode plates.3. The battery cell manufacturing device according to claim 1 , wherein the unit cell stacking unit comprises a hopper type upper part claim 1 , an upper end of which is open and a diameter of which is decreased in a downward direction claim 1 , and a lower part having an interior size corresponding to the unit cell stack.4. The battery cell manufacturing device according to claim 3 , wherein the lower part of the unit cell stacking unit is provided with a lower discharge port claim 3 , through which the unit cell stack is sequentially discharged.5. The battery cell manufacturing device according to claim 3 , wherein the lower part of the unit cell stacking unit has an inner diameter ...