ИОННАЯ ЖИДКОСТЬ, СОДЕРЖАЩАЯ ИОН ФОСФОНИЯ, И СПОСОБ ЕЕ ПОЛУЧЕНИЯ

Настоящее изобретение относится к ионным жидкостям на основе катиона, представленного формулой (I): ! ! где замещающие группы R1-R9 выбраны из водорода, алкила; любой атом углерода в R1-R9 может быть замещен группой -O-, -С(O)-, -С(O)O-, -S-, -S(O)-, -SO2- или -SO3-; Х представляет собой S, О или С; R8 и R9 существуют, только когда Х представляет собой углерод; анион выбран из групп [RSO3]-, [RfSO3]-, [(RfSO2)2N]-, [(FSO2)3C]-, [RCH2OSO3]-, [RC(O)O]-, [RfC(O)O]-, [CCl3C(O)O]-, [(CN)3C]-, [(CN)2CR]-, [(RO(O)C)2CR]-, [B(OR)4]-, [N(CF3)2]-, [N(CN)2]-, [AlCl4]-, PF6 -, BF4 -, SO4 2-, HSO4 -, ! NO3 -; где R представляет собой водород, галоген, алкил, алкенил, алкинил, циклоалкил, Rf представляет собой фторсодержащую замещающую группу. Технический результат - получение новых ионных жидкостей с улучшенными электрохимическими свойствами. 14 з.п.ф-лы, 2 ил.

КОМПОЗИЦИЯ, ПРИГОДНАЯ В КАЧЕСТВЕ ТВЕРДОГО ЭЛЕКТРОЛИТА ИЛИ СЕПАРАТОРА ДЛЯ ЭЛЕКТРОХИМИЧЕСКИХ ЭЛЕМЕНТОВ

Предложена композиция для электродов, твердого электролита или сепаратора для электрохимических элементов, содержащая смесь, состоящую из 1-95 мас.% твердого вещества, предпочтительно неорганического твердого вещества с размером первичных частиц от 5 нм до 20 мкм и 5-99 мас.% полимерной массы, получаемой полимеризацией 5-100 мас.%, в пересчете на массу продукта конденсации из многоатомного спирта, по меньшей мере, одного соединения, способного реагировать с карбоновой или сульфоновой кислотой, или их производным, или смесью двух или более из них, и, по меньшей мере, 1 моля на моль соединения карбоновой или сульфоновой кислоты, имеющей, по меньшей мере, одну радикально полимеризуемую функциональную группу, или их производного, или смеси двух или более их них, и 0-95 мас.%, в пересчете на массу одного соединения со средней (среднечисловой) молекулярной массой, по меньшей мере, 5000 с полиэфирными сегментами в главной или боковой цепи, причем массовая доля смеси в композиции составляет 1 - ...

БАТАРЕЯ НА ОСНОВЕ СЕРАОРГАНИЧЕСКИХ СОЕДИНЕНИЙ

Изобретение относится к раствору жидкого или гелеобразного электролита, содержащего по меньшей мере один безводный полярный беспротонный растворитель или полимер, по меньшей мере одну проводящую соль и по меньшей мере одно сераорганическое соединение, содержащее по меньшей мере один органический фрагмент и по меньшей мере одну -S-Sn-связь, где n равно целому числу от 2 до 5, причем указанные сераорганические соединения содержат одну или несколько серосодержащих функциональных групп, выбранных из группы, состоящей из дитиоацеталя, дитиокеталя, тритиоортокарбоксилата, ароматического полисульфида, полиэфир-полисульфида, полисульфид-кислой соли, органополисульфида, содержащего тритиокарбонатную функциональную группу, органо- или органометаллического полисульфида, содержащего дитиокарбонатную функциональную группу, органо- или металлоорганического полисульфида, содержащего монотиокарбонатную функциональную группу, и металлоорганического полисульфида, содержащего тритиокарбонатную функциональную ...

ЛИТИЕВАЯ ВТОРИЧНАЯ БАТАРЕЯ С ЭЛЕКТРОЛИТОМ, СОДЕРЖАЩИМ СОЕДИНЕНИЯ АММОНИЯ

Изобретение относится к литиевой вторичной батареи с электролитом, содержащим соединения аммония. Согласно изобретению литиевая батарея содержит катод, включающий литийсодержащий оксид переходного металла, анод, включающий графитизированный углерод, и неводный электролит с добавкой соединения аммония, способного давать ионы аммония. Техническим результатом изобретения является улучшение рабочих характеристик батареи при высоких температурах посредством добавления в электролит соединения аммония. 8 з.п. ф-лы, 1 табл.

БАТАРЕЯ С УГЛЕРОДНЫМИ НАНОТРУБКАМИ И ПОРОШКОМ МЕТАЛЛИЧЕСКОГО ЛИТИЯ

... 1. Батарея, включающая в себя анод, электрически связанный с катодом, сепаратор, который отделяет упомянутый анод от упомянутого катода, средство для электрической связи между упомянутым анодом и упомянутым катодом, при этом упомянутый анод и упомянутый катод представляет собой углеродную нанотрубку, и упомянутый анод является углеродной нанотрубкой, литированной порошком металлического лития. ! 2. Батарея по п.1, в которой упомянутая углеродная нанотрубка выбрана из группы, состоящей из многостенных нанотрубок, одностенных нанотрубок, нанорожек, наноколокольчиков, стручков, бакиболлов и любой их комбинации. ! 3. Батарея по п.2, в которой упомянутая углеродная нанотрубка содержит одностенные нанотрубки. ! 4. Батарея по п.1, в которой упомянутый сепаратор содержит электролит с солью лития. ! 5. Батарея по п.4, в которой упомянутый электролит является фосфатным или полифосфатным электролитом. ! 6. Батарея по п.1, в которой упомянутая углеродная нанотрубка имеет обратимую емкость свыше 600 ...

МНОГОСЛОЙНАЯ, МИКРОПОРИСТАЯ ПОЛИЭТИЛЕНОВАЯ МЕМБРАНА, РАЗДЕЛИТЕЛЬ АККУМУЛЯТОРА, ИЗГОТОВЛЕННЫЙ ИЗ НЕЕ, И АККУМУЛЯТОР

... 1. Многослойная, микропористая полиэтиленовая мембрана, содержащая (а) первый микропористый слой, выполненный из полиэтиленовой смолы, и (b) второй микропористый слой, содержащий полиэтиленовую смолу и термостойкую смолу с точкой плавления или температурой стеклования 170°С или выше в форме мелкодисперсных частиц, диспергированных в полиэтиленовой смоле, и второй микропористый слой с порами, содержащими мелкодисперсные частицы термостойкой смолы в качестве ядра, от которого начинается расщепление волокон полиэтиленовой смолы. ! 2. Многослойная, микропористая полиэтиленовая мембрана, содержащая (а) первый микропористый слой, выполненный из полиэтиленовой смолы, и (b) второй микропористый слой, содержащий полиэтиленовую смолу и термостойкую смолу с точкой плавления или температурой стеклования 170°С или выше в форме мелкодисперсных частиц, диспергированных в полиэтиленовой смоле, и с увеличением воздушной проницаемости при сжатии с нагревом при температуре 90°С и давлении 2,2-5 мПа в течение ...

АККУМУЛЯТОРНАЯ БАТАРЕЯ

... 1. Аккумуляторная батарея, включающая в себя положительный электрод, который может поглощать и выделять литий, и жидкий электролит;при этом положительный электрод содержит активный материал положительного электрода, который работает при потенциале 4,5 В или выше по отношению к литию; ипри этом жидкий электролит содержит фторированный простой эфир, представленный следующей формулой (1), и циклический сульфонат, представленный следующей формулой (2):(1),при этом в формуле (1) Rи R, каждый независимо, обозначают алкильную группу или фторированную алкильную группу, и по меньшей мере один из Rи Rявляется фторированной алкильной группой; и(2),при этом в формуле (2) A и B, каждый независимо, обозначают алкиленовую группу или фторированную алкиленовую группу, а X обозначает одинарную связь или группу -OSO-.2. Аккумуляторная батарея по п. 1, при этом активным материалом положительного электрода является сложный оксид лития-марганца, представленный следующей формулой (3):Li(MMnY)(OZ)(3),при этом ...

ЛИТИЕВЫЙ ЭЛЕКТРОД И СОДЕРЖАЩАЯ ЕГО ЛИТИЕВАЯ АККУМУЛЯТОРНАЯ БАТАРЕЯ

БАТАРЕЯ НА ОСНОВЕ СЕРАОРГАНИЧЕСКИХ СОЕДИНЕНИЙ

ДОБАВКА ДЛЯ ЛИТИЙ-ИОННЫХ ПЕРЕЗАРЯЖАЕМЫХ БАТАРЕЙ

... 1. Литий-ионная перезаряжаемая батарея, содержащая:- анод, содержащий частицы, содержащие электроактивный материал, выбранные из:а. частиц, имеющих на поверхности пространственно разделенные структурные элементы, причем наименьшее измерение структурных элементов на поверхности частиц составляет по меньшей мере 10 нм и меньше или равно 10 мкм, а аспектное соотношение (определенное как отношение наибольшего измерения структурного элемента к наименьшему измерению) составляет по меньшей мере 5;b. частиц, которые содержат распределенные в них поры или полости, причем каждая пора или полость ограничена одной или более стенками, имеющими среднюю толщину ≥10 нм,с. частиц, содержащих фрагменты частиц, имеющих распределенные в них поры или полости, причем каждая пора или полость ограничена одной или более стенками, имеющими среднюю толщину ≥10 нм;d. частиц, имеющих минимальное измерение по меньшей мере 10 нм и аспектное соотношение (отношение наибольшего измерения к наименьшему измерению) по меньшей ...

СОЛЬ ЧЕТВЕРТИЧНОГО АММОНИЯ, ЭЛЕКТРОЛИТ И ЭЛЕКТРОХИМИЧЕСКОЕ УСТРОЙСТВО

... 1. Соль четвертичного аммония формулы (1) где R1˜R2 представляют метил или этил, и X- представляет BF4- или N(CF3SO2)2-. 2. Соль четвертичного аммония по п.1, где R1представляетметил, R2 представляет метил и X- представляет BF4-. 3. Соль четвертичного аммония по п.1, где R1представляетметил, R2 представляет метил, и X- представляет N(CF3SO2)2-. 4. Соль четвертичного аммония по п.1, где R1представляет метил, R2 представляет этил и X- представляет BF4-. 5. Соль четвертичного аммония по п.1, где R1представляет метил, R2 представляет этил и X- представляет N(CF3 SO2)2-. 6. Соль четвертичного аммония по п.1, где R1представляетэтил, R2 представляет метил и X- представляет BF4-. 7. Соль четвертичного аммония по п.1, где R1представляетэтил, R2 представляет этил и X- представляет BF4-. 8. Состав, отличающийся тем, что состав содержит соль четвертичного аммония по п.1 и органический растворитель. 9. Состав, отличающийся тем, что состав содержит по меньшей мере одну соль четвертичного аммония по любому ...

Nichtwässrige Batterie

Zusatzstoff für elektrochemische Energiespeicher und elektrochemischer Energiespeicher

Die Erfindung betrifft einen Zusatzstoff für elektrochemische Energiespeicher, wobei der Zusatzstoff wenigstens ein siliciumhaltiges Material enthält, das in Kontakt mit einer fluorhaltigen Verbindung V1 im Energiespeicher wenigstens eine Verbindung V2 bildet, wobei die Verbindung V2 ausgewählt ist aus der Gruppe der silicium- und fluorhaltigen, lithiumfreien Verbindungen V2a, oder fluorhaltigen, lithiumfreien Erdalkaliverbindungen V2b, oder Kombinationen davon. Weiterhin betrifft die Erfindung einen elektrochemischen Energiespeicher, der den erfindungsgemäßen Zusatzstoff enthält.

Leitsalz für Lithium-basierte Energiespeicher

Die Erfindung betrifft Lithium-2-trifluormethoxy-1,2,2,2-tetrafluor-ethansulfonat, die Verwendung von Lithium-2-trifluormethoxy-1,2,2,2-tetrafluor-ethansulfonat als Leitsalz in Lithium-basierten Energiespeichern sowie ionische Flüssigkeiten umfassend 2-Trifluormethoxy-1,2,2,2-tetrafluor-ethansulfonat als Anion.

FORMSTÜCK AUS POLYPYRROL, DESSEN HERSTELLUNG UND SEKUNDÄRE BATTERIE.

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.

NIEDERTEMPERATUR-LI/FES<SB>2</SB>-BATTERIE

Lithium-sulphur battery with high specific energy

Lithium-sulphur battery with high specific energy

Dopant for electrolyte

The method includes doping into an electrolyte an intermetallid compound additive, the binding energy of which is higher than the binding energy of combinations generated at discharge of a secondary power source. The intermetallid may have the formula A(N-2)/2C(N+2)/2B8-N, where A is a metal, C is a metal or a metalloid and B is a metal or a metalloid, which is particularly effective for acid-lead batteries. In a further aspect, a compound of type ANB10-N, with A being a metal and B being a noble gas (e.g. ZnKr or CdAr), may be used as a dopant in the electrolyte. Such a dopant is particularly useful in lithium-ion and nickel-metal-hydride type batteries. Other examples of dopant disclosed include ZnGeN2, ZnSnAs2 and CuInS2.

Lithium Cell Electrolyte

The present disclosure relates to an electrolyte for an electrochemical cell and an electrochemical cell comprising such an electrolyte. The electrolyte comprises at least one conductive salt comprising lithium ions, at least one solvent and at least one wetting agent e.g. a fluropolymer or ionic surfactant or flurosurfactant. The electrochemical cell comprises at least one anode, at least one cathode and at least one to separator arranged between the at least one anode and the at least one cathode. The electrolyte may be filled between the at least one anode and the at least one cathode ...

A BATTERY

Porous film and method of producing the same

Non-aqueous electrolyte compositions

Nonaqueous electrolyte solution for secondary batteries, and secondary battery provided with same

Procédépour to prepare allied negative electrodes and devices using these electrodes

ELECTROLYTE COMPOSITION, PHOTOELECTRIC TRANSFORMATION DEVICE AND PHOTO-ELECTRO-CHEMICAL CELL

FLEXIBLE THINNESS BATTERY AND PROCEDURE FOR THEIR PRODUCTION

LITHIUM ABSTENTION OXIDMATERIALEN AND PROCEEDING THEIR PRODUCTION

ELECTRO-CHEMICAL CELL CONTAINING CARBON-CONTAINING MATERIAL AND MOLYBDENUM CARBIDE AS ANODE

NIEDERTEMPERATUR-LI/FES2-BATTERIE

QUATERNÄRES AMMONIUM SALT, ELECTROLYTE AND ELECTRO-CHEMICAL DEVICE

NON--AQUEOUS ELECTROLYTE

NIEDERTEMPERATUR-LI/FES2-BATTERIE

FLEXIBLE FLAMING CELEBRATIONS OF BIKOMPONENTENFASER AND ARTICLES FROM THESE BIKOMPONENTENFASER

SEPARATOR FOR MULTI-LAYER BATTERY AND MANUFACTURING PROCESS

Rechargeable electrochemical cell

A rechargeable electrochemical cell includes a positive electrode having a recharged potential, a negative electrode, and a charge-carrying electrolyte. The rechargeable electrochemical cell further includes an active material having the following structure. (I) ...

Redox flow batteries and compounds for battery application

The present disclosure relates to organic electrolyte solutions including organic electrolytes (e.g., aromatic imides, ferrocenes, spiro fused compounds, or cyclopropenium compounds), and redox flow batteries and systems including the same.

Flexible ignition resistant biregional fiber, articles made from biregional fibers, and method of manufacture

MICRO POROUS POLYETHYLENE FILM BY STRETCHING

SEPARATOR FOR ORGANIC ELECTROLYTE BATTERY, PROCESS FOR PRODUCING THE SAME AND ORGANIC ELECTROLYTE BATTERY INCLUDING THE SEPARATOR

Electrolytic composition and photoelectric conversion element using the same.

Low temperature Li/FeS2 battery

Salts of alkali metals of n, n2-disubstituted amides of alkane iminosulfinic acid and nonaqueous electrolytes on their basis

Sodium-ion electrolyte composition

A sodium-ion electrolyte composition for use in an electrochemical cell, the electrolyte composition comprising a mixture of a phosphonium salt and a sodium salt, wherein the electrolyte composition presents as a solid up to at least 25°C.

Multi-ply battery separator and process of forming

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

... ²²²A nonaqueous electrolyte secondary battery is provided ²which includes a negative electrode containing a graphite ²material as the negative active material, a positive ²electrode containing lithium cobalt oxide as a main ²component of the positive active material and a nonaqueous ²electrolyte solution, the battery being characterized in ²that the lithium cobalt oxide contains a group IVA element ²and a group IIA element of the periodic table, the ²nonaqueous electrolyte solution contains 0.2 - 1.5 % by ²weight of a sulfonyl-containing compound and preferably ²further contains 0.5 - 4 % by weight of vinylene carbonate.² ...

POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND LITHIUM SECONDARY BATTERY

A positive electrode material for a lithium secondary battery, which is high in safety, high in capacity, excellent in cycle performance, and high in charge/discharge efficiency, is provided. The positive electrode material for a lithium secondary battery is a powder containing a Li-Ni-Co-O or Li-Ni-Co-Ba-O system component as a main component and having an amorphous phase of an oxide mixed in each of particles or formed at the surface of the particle.

NONAQUEOUS ELECTROLYTE

NONAQUEOUS ELECTROLYTE FOR USE IN A LITHIUM ION CELL

To provide a nonaqueous electrolyte that makes it possible to lengthen the life of a lithium ion cell even when subjected to repeated charge/discharge cycles when used in a lithium ion cell. A nonaqueous electrolyte is prepared by combining a lithium salt shown by the above formula (1), at least one first additive among compounds shown by the above formula (2), and at least one second additive among compounds shown by the above formula (3).

METAL-AIR LOW TEMPERATURE IONIC LIQUID CELL

The present application relates to an electrochemical metal-air cell in which a low temperature ionic liquid is used.

METAL-AIR LOW TEMPERATURE IONIC LIQUID CELL

The present application relates to an electrochemical metal-air cell in which a low temperature ionic liquid is used. The electrochemical metal-air cell may contain flexible fuel and flexible air electrodes in which the flexible electrodes may be arranged in a non-linear configuration having a space between the flexible fuel electrode and a flexible air electrode. The low temperature ionic liquid may be contained in the space between the flexible electrodes.

BATTERY

The invention concerns lithium batteries, including rechargeable batteries, and anodes for such batteries and method of making the anodes, and comprises the features: a) the anode may be of a solution type alloy of commercial purity Al with at least one of Mg, Ga, Ca, Si, Sn, Li, Ge and Zn; b) alternatively, the anode may be of a wrought eutetic aluminium alloy containing 3 - 25 volume % of dispersed intermetallic particles of average diameter 0.1 to 2 microns; c) the anode may have been electrochemically alloyed with Li and pretreated by being subjected to more than one charge-discharge cycle to improve the initial charge-discharge efficiency of the battery. When used as anodes in rechargeable lithium batteries, the specified alloys show high charge-discharge efficiency. Alloys based on commercial purity Al are easier to cut and shape than are alloys based on super-purity Al.

PLASTIC CRYSTAL ELECTROLYTE IN LITHIUM-BASED ELECTROCHEMICAL DEVICES

A solid ionic electrolyte having a neutral organic plastic crystal matrix doped with an ionic salt may be used in an electrochemical device having an anode comprising a Li-containing material having an electrochemical potential within about 1.3 V of lithium metal. Electrochemical devices are disclosed having a cathode, an anode of a Li-containing material having an electrochemical potential within about 1.3 V of lithium metal, and a solid ionic electrolyte having a neutral organic plastic crystal matrix doped with an ionic salt. Such devices have high energy density delivery capacity combined with the favourable properties of a neutral organic plastic crystal matrix such as succinonitrile.

QUATERNARY AMMONIUM SALT, ELECTROLYTE, AND ELECTROCHEMICAL DEVICE

Disclosed are a quaternary ammonium salt represented by the formula (1) below, an electrolyte, and a electrochemical device. (wherein R1 represents a straight chain or branched alkyl group having 1-4 carbon atoms; R2 represents a methyl group or an ethyl group; and X- represents a fluorine-containing anion.) ...

MANUFACTURE OF GALVANIC ELEMENTS HAVING LITHIUM OR CALCIUM TRODES

ADDITIVES FOR ELECTROLYTE AND CATHODE MATERIAL IN LI-ION BATTERIES COMPRISING METAL-BASED CATHODE MATERIAL WHICH PRODUCES M2+ METAL IONS

Method of improving the performance of a Li-ion battery comprising metal-based cathode material which produces M2+ metal ions. The method comprises using a small organic compound in association with the electrolyte of the battery or using a polymer compound in association with the cathode active material of the battery. The small organic compound and the polymer compound comprise at least one chemical group suitable for forming complexes with the M2+ metal ions thereby preventing dissolution thereof.

REDOX FLOW BATTERY ELECTROLYTES

The present invention relates to novel combinations of redox active compounds for use as redox flow battery electrolytes. The invention further provides kits comprising these combinations, redox flow batteries, and method using the combinations, kits and redox flow batteries of the invention.

ADDITIVE CONTAINING ELECTROLYTES FOR HIGH ENERGY RECHARGEABLE METAL ANODE BATTERIES

Electrolytes for use in commercially viable, rechargeable lithium metal batteries are described. The electrolytes contain one or more lithium salts, one or more organic solvents, and one or more additives. The electrolytes allow for reversible deposition and dissolution of lithium metal. Specific additives or additive combinations dramatically improved cycle life, decrease cell swelling, and/or lower cell impedance.

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 ...

HEAT RESISTANT MICROPOROUS MEMBRANE

A heat resistant microporous membrane containing a thermoplastic resin having a crystalline melting point of 140-300.degree.C and having a layer structure formed in the direction of membrane thickness, said layer structure containing 5-100% of a layer defined by the following (A) and 95-0% of a layer defined by the following (B) : (A) a layer in which the micropores are intra-spherulitic voids, and (B) a layer in which the micropores are intra-spherulitic voids and inter-spherulitic voids.

PLASTIC CRYSTAL ELECTROLYTE IN LITHIUM-BASED ELECTROCHEMICAL DEVICES

... ²²A solid ionic electrolyte having a neutral organic plastic crystal matrix ²doped ²with an ionic salt may be used in an electrochemical device having an anode ²comprising a Li-containing material having an electrochemical potential within ²²about 1.3 V of lithium metal. Electrochemical devices are disclosed having a ²cathode, an anode of a Li-containing material having an electrochemical ²potential with about 1.3 V of lithium metal, and a solid ionic electrolyte ²having ²a neutral organic plastic crystal matrix doped with an ionic salt. Such ²devices ²have high energy density delivery capacity with the favourable properties of a ²²neutral organic plastic crystal matrix such as succinonitrile.² ...

LITHIUM SALT

Disclosed is a lithium salt having excellent ion conductivity. Specifical ly disclosed is a lithium salt characterized by having a structure represent ed by the following general formula (1). (In the general formula (1), M repr esents B, Si, Ge, P, As or Sb; X represents the valence of M; R1 represents -CmH2m- (wherein m represents an integer of 1-4); R2 represents -CkH2k+1 (wh erein k represents an integer of 1-8); and n represents a number of 0-12.) ...

AN ELECTROLYTE COMPOSITION AND A SODIUM ION BATTERY COMPRISING THE SAME

Disclosed is an electrolyte composition, suitable for sodium ion battery, comprising at least one sodium compound selected from the group consisting of sodium monofluorophosphate (Na2PO3F), sodium difluorophosphate (Na PO2F2) and mixture thereof, and a sodium ion battery comprising the same.

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).

CATALYST SYSTEM FOR ADVANCED METAL-AIR BATTERIES

The disclosure relates generally to batteries. The disclosure relates more specifically to improved catalyst systems for metal-air batteries. A metal-air battery comprising: an anode comprising a metal; a cathode comprising at least one transition metal dichalcogenide; and an electrolyte in contact with the anode and the transition metal dichalcogenide of the cathode, wherein the electrolyte comprises at least 50 % by weight of an ionic liquid, is disclosed herein.

PLASTIC CRYSTAL ELECTROLYTE WITH A BROAD POTENTIAL WINDOW

A solid ionic electrolyte having an organic plastic crystal solvent (e.g. succinonitrile) doped with lithium bioxalato borate salt (LiBOB) may be used in an electrochemical device. Electrochemical devices are disclosed having a cathode, an anode, and a solid ionic electrolyte having a neutral organic plastic crystal solvent doped with LiBOB alone or in combination with another lithium salt. Such devices have a stable electrolyte interface over a broad potential window combined with high energy density delivery capacity and, in one example, the favourable properties of a neutral organic plastic crystal matrix such as succinonitrile.

PLASTIC CRYSTAL ELECTROLYTE WITH A BROAD POTENTIAL WINDOW

A solid ionic electrolyte having an organic plastic crystal solvent (e.g. succinonitrile) doped with lithium bioxalato borate salt (LiBOB) may be used in an electrochemical device. Electrochemical devices are disclosed having a cathode, an anode, and a solid ionic electrolyte having a neutral organic plastic crystal solvent doped with LiBOB alone or in combination with another lithium salt. Such devices have a stable electrolyte interface over a broad potential window combined with high energy density delivery capacity and, in one example, the favourable properties of a neutral organic plastic crystal matrix such as succinonitrile.

ELECTROLYTE FOR A BATTERY

The present disclosure relates to an electrolyte for an electrochemical cell and an electrochemical cell comprising such an electrolyte. The electrolyte comprises at least one conductive salt comprising lithium ions, at least one solvent and at least one wetting agent. The electrochemical cell comprises at least one anode, at least one cathode and at least one separator arranged between the at least one anode and the at least one cathode. The electrolyte may be filled between the at least one anode and the at least one cathode.

SALT OF BICYCLIC AROMATIC ANIONS FOR LI-ION BATTERIES

La présente invention concerne les sels des composés imidazole bicycliques (IV) ayant comme formules générales développées, dans lesquelles A représente un cation monovalent, X représente indépendamment un atome de carbone, un atome d'oxygène, un atome de soufre ou un atome d'azote. Elle a également pour objet leur procédé de fabrication ainsi que leur utilisation, notamment comme composant d'électrolyte pour batteries ...

MOLDED ARTICLE FOR NEGATIVE ELECTRODE, METHOD OF PRODUCING THE SAME AND LITHIUM SECONDARY BATTERY USING THE SAME

A mixture of carbon powder and a carbonaceous binder is molded and burned in an atmosphere of nitrogen to form a carbon molded article for a negative electrode. The properties of the carbon molded article are: an interfacial distance (doo2) within a range from 3.38 A to 3.56 A measured by X-ray diffraction; and a three-point strength of 100 kgf/cm2 or greater at room temperature. A lithium secondary battery formed by using this carbon molded article as the negative electrode has a high energy density per unit volume and advantageous charge-discharge characteristics for higher loads.

CATHODE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING LITHIATED NICKEL DIOXIDE AND LITHIUM SECONDARY BATTERY

The invention provides a cathode material for lithium secondary battery containing lithiated nickel dioxide having excellent charge/discharge characteristics and a process for producing the lithiated nickel dioxide, and a lithium secondary battery. That is, the cathode material for lithium secondary battery contains lithiated nickel dioxide haying .alpha.-NaFeO2 structure and shows a coulomb efficiency of 80% or higher at the first charging and discharging, and the process for producing lithiated nickel dioxide comprises dispersing a nickel compound in a lithium nitrate solution, then evaporating the solvent to obtain a mixture of lithium nitrate and the nickel compound and firing the mixture in an atmosphere containing oxygen.

CARBONACEOUS INSERTION COMPOUNDS AND USE AS ANODES IN RECHARGEABLE BATTERIES

Carbonaceous insertion compounds and methods for preparation are described wherein the compounds comprise a pre-graphitic carbonaceous host and atoms of an element capable of alloying with alkali metal atoms, the alloying atoms being incorporated predominantly as monodispersed atoms in the host. A carbonaceous insertion compound with large reversible capacity for lithium can be prepared if the alloying atoms incorporated are Si. Such insertion compounds can be prepared by simple pyrolysis of suitable polymers containing silicon and carbon at an appropriate temperature. These insertion compounds may be suitable for use as high capacity anodes in lithium ion batteries.

Nonaqueous Secondary Battery and Negative Electrode Material Therefor

Lithium Secondary Cell

Provided is a lithium secondary cell having a positive pole and a negative pole separated by a separator in an electrolyte in a cell case. The negative pole comprising a substance which can contain lithium and/or the positive pole comprising a substance to which lithium can be inserted, thus being excellent in excessive discharge characteristics, high in energy density, and long in cycle life even in applications where a plurality of cells are connected in series or in parallel.

LITHIUM SECONDARY CELL

Provided is a lithium secondary cell having a positive pole and a negative pole separated by a separator in an electrolyte in a cell case. The negative pole comprising a substance which can contain lithium and/or the positive pole comprising a substance to which lithium can be inserted, thus being excellent in excessive discharge characteristics, high in energy density, and long in cycle life even in applications where a plurality of cells are connected in series or in parallel.

CATHODE MATERIAL, METHOD OF PREPARING IT AND NONAQUEOUS SOLVENT TYPE SECONDARY BATTERY HAVING A CATHODE COMPRISING IT

Thls invention relates to a cathode materlal for a lithium ion secondary battery, which cathode material comprises a compound of the formula Li1-x-aAxNi1-Y-b-BYO2. wherein: A is an alkaline earth metal component selected from the group consisting of (1) at least two of magnesium, calcium, strontium and barium, (2) strontium alone and (3) barium alone; B is at least one transition metal element other than N1; X is the total number of moles of A and if A consists of more than one alkaline earth metal element, then X is the total number of moles of all alkaline earth metal elements; Y is the total number of moles of B and if B consists of more than one transitlon metal element, then Y is the total number of moles of all transition metal elements; and X, Y, a and b satisfy the respective equations: 0 < X 0.10 0 < Y 0.30 - 0.10 a 0.10 - 0.15 b 5 0. 15. This invention also relates to a method of preparing a cathode material for a lithium ion secondary battery, comprising the steps of: mixing ...

PROCEDURE FOR THE PRODUCTION OF ELECTRODES FROM LITHIUM ALUMINUM ALLOY.

PROCEDURE FOR THE PRODUCTION OF GALVANIC ELEMENTS WITH NEGATIVES ELECTRODES FROM LITHIUM OR CALCIUM.

ELECTRO-CHEMICAL CELL.

Polymères conducteurs mono-ioniques pour dispositifs électroniques.

L'invention concerne un polymère conducteur mono-ionique solide comprenant un motif répété de formule (la) : dans lequel R 1 est H, ou alkyle, alcényle, alcynyle linéaire ou ramifié en C 1 à C 16 ; m vaut 1 à 5; chaque M + est indépendamment choisi parmi Li + , Na + ou K + ; et X est choisi parmi CF 3 , CH 3 , ou F ; et le polymère a une masse moléculaire moyenne de 350 000 à 1 200 000 Da.

QUATERNARY AMMONIUM HALIDES WITH ETHER FUNCTIONAL GROUPS FOR USE AS ELECTROLYTES BATTERIES

An electrolyte for lithium sulfur battery and application thereof

Lithium secondary battery of electrolyte containing ammonium compounds

Nonaqueous electrolyte solution and lithium ion secondary battery

Magnesium salts

Electrode current collecting body and detecting method thereof, battery electrode and preparing method thereof, and secondary battery and preparing method thereof

The invention relates to an electrode collector to form battery electrode. The electrode collector is constituted by copper or copper alloy and has front surface color and rear surface color, wherein at least one color belongs to the colors of clor space presented by the following: 50<=L^*<=80,5<=A^*<60,5<=B^*<60, WHEREIN THE L^*, a^* and b^* is based on value determined by colorimetric system L^*a^*b^* specified based on JIS Z 8729.

A lithium ion battery non-aqueous electrolyte and a lithium ion battery using the same

Lithium secondary cell

Provided is a lithium secondary cell having an excellent property specifically in a discharge capacitance, rate characteristic, and cycle characteristic as well as an improved incombustibility (safety). The lithium secondary cell includes a negative pole, a nonaqueous electrolyte liquid, and a positive pole. The negative pole active material constituting the negative pole contains lithium titanium and the nonaqueous electrolyte liquid contains a fluorine-based solvent.

Paste electrolyte and rechargeable lithium battery containing the same

Electrolyte material, lithium secondary battery and using the same electrolyte for a lithium secondary battery, lithium salt and

Nonaqueous electrolyte secondary battery

Ternary electrolyte for lithium battery

ADDITIVE CONTAINING ELECTROLYTES FOR HIGH ENERGY RECHARGEABLE METAL ANODE BATTERIES

Sodium ion secondary battery

The positive electrode active material of a positive electrode includes a sodium-containing transition metal oxide (NaaLibMxO2+-alpha). The M includes at least two of manganese (Mn), iron (Fe), cobalt (Co), and nickel (Ni). For a negative electrode, a sodium metal or a metal that forms an alloy with sodium is used. A non-aqueous electrolyte produced by dissolving an electrolytic salt (sodium salt) in a non-aqueous solvent is used. Examples of the non-aqueous solvent may include a cyclic carbonate, a chain carbonate, esters, cyclic ethers, chain ethers, nitrites, amides and a combination thereof.

Use of a ceramic separator in lithium ion batteries, comprising an electrolyte containing ionic fluids

Preparation method of lithium tetrafluoroxalate phosphate

Lithium cell and method of manufacturing the same

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.

Branched polymer, method for making the same, and applications thereof

A branched polymer represented by formula (I): wherein at least one of L 1 , L 2 , L 3 , and L 4 is a univalent organic group represented by formula (II): wherein L 5 , L 6 and L 7 are independently hydrogen or a univalent organic group, D 1 , D 2 and D 3 being independently a single bond or a divalent group, at least one of D 1 , D 2 , and D 3 containing in which R 1 is hydrogen or a methyl group and n is an integer ranging from 1 to 1000; and the remainder of L 1 , L 2 , L 3 , and L 4 being independently hydrogen or a univalent organic group represented by formula (III): wherein R is a univalent end group, with the proviso that, when one of the remainder is hydrogen, the others of the remainder cannot be hydrogen.

Non-aqueous liquid electrolyte and non-aqueous liquid electrolyte secondary battery

A non-aqueous liquid electrolyte suitable for use in a non-aqueous liquid electrolyte secondary battery comprising a negative electrode and a positive electrode, capable of intercalating and deintercalating lithium ions, and the non-aqueous liquid electrolyte, the negative electrode containing a negative-electrode active material having at least one kind of atom selected from the group consisting of Si atom, Sn atom and Pb atom, wherein the non-aqueous liquid electrolyte comprises a carbonate having at least either an unsaturated bond or a halogen atom.

Non-aqueous electrolytes for electrochemical cells

A electrolyte for a lithium battery includes a silane/siloxane compound represented by SiR 4-x-y R′ x R″ y , by Formula II, or Formula III: where each R is individually an alkenyl, alkynyl, alk(poly)enyl, alk(poly)ynyl, aryl; each R′ is represented by; each R″ is represented by Formula I-B; R 1 is an organic spacer; R 2 is a bond or an organic spacer; R 3 is alkyl or aryl; k is 1-15; m is 1-15; n is 1 or 2; p is 1-3; x′ is 1-2; and y′ is 0-2.

Photoelectric conversion element, method of manufacutring photoelectric conversion element, electrolyte layer for photoelectric conversion element, and electronic apparatus

A photoelectric conversion element has a structure in which an electrolyte layer composed of a porous film containing an electrolyte solution is provided between a porous photoelectrode and a counter electrode.

Electrolyte solution and lithium ion secondary battery using the same

The present invention provides an electrolyte solution and a lithium ion secondary battery which maintain for a long period high battery characteristics represented by the discharge capacity retention rate after the charge/discharge cycle, and simultaneously achieve also the high safety represented by the flame retardation. The present invention provides an electrolyte solution containing a nonaqueous solvent, an electrolyte, a specific compound having a perfluoroalkyl group in the molecule, and an additive having a fluorine atom and/or a phosphorus atom in the molecule.

Nonaqueous electrolyte lithium ion secondary battery

The present invention provides a lithium-ion secondary battery with excellent high-temperature storage characteristics. The lithium-ion secondary battery provided by the present invention has positive and negative electrodes capable of absorbing and desorbing lithium ions, and an electrolyte solution containing a lithium salt as a supporting salt in an organic solvent. The nonaqueous electrolyte contains not only the lithium salt, but also at least one type of dicarboxylic acid as additive A; and at least one type of additive selected from vinylene carbonate, vinylethylene carbonate, ethylene sulfite, and fluoroethylene carbonate as additive B.

Partially and fully surface-enabled metal ion-exchanging energy storage devices

A surface-enabled, metal ion-exchanging battery device comprising a cathode, an anode, a porous separator, and a metal ion-containing electrolyte, wherein the metal ion is selected from (A) non-Li alkali metals; (B) alkaline-earth metals; (C) transition metals; (D) other metals such as aluminum (Al); or (E) a combination thereof; and wherein at least one of the electrodes contains therein a metal ion source prior to the first charge or discharge cycle of the device and at least the cathode comprises a functional material or nano-structured material having a metal ion-capturing functional group or metal ion-storing surface in direct contact with said electrolyte, and wherein the operation of the battery device does not involve the introduction of oxygen from outside the device and does not involve the formation of a metal oxide, metal sulfide, metal selenide, metal telluride, metal hydroxide, or metal-halogen compound. This energy storage device has a power density significantly higher than that of a lithium-ion battery and an energy density dramatically higher than that of a supercapacitor.

Non-aqueous electrolyte and lithium secondary battery including the same

A non-aqueous electrolyte including a lithium salt, an organic solvent, and an electrolyte additive is provided. The electrolyte additive is a meta-stable state nitrogen-containing polymer formed by reacting Compound (A) and Compound (B). Compound (A) is a monomer having a reactive terminal functional group. Compound (B) is a heterocyclic amino aromatic derivative as an initiator. A molar ratio of Compound (A) to Compound (B) is from 10:1 to 1:10. A lithium secondary battery containing the non-aqueous electrolyte is further provided. The non-aqueous electrolyte of this disclosure has a higher decomposition voltage than a conventional non-aqueous electrolyte, such that the safety of the battery during overcharge or at high temperature caused by short-circuit current is improved.

Non-aqueous electrolytic solution for lithium secondary battery and lithium secondary battery using the same

A non-aqueous electrolytic solution is advantageously used in preparation of a lithium secondary battery excellent in cycle characteristics. In the non-aqueous electrolytic solution for a lithium secondary battery, an electrolyte salt is dissolved in a non-aqueous solvent. The non-aqueous electrolytic solution further contains a vinylene carbonate compound in an amount of 0.01 to 10 wt. %, and an alkyne compound in an amount of 0.01 to 10 wt. %.

Laminate for nonaqueous battery

Laminate for nonaqueous battery having moderate adhesion in which a nonaqueous electrolytic solution is sealed capable of improving the suitability of electrodes packed into a battery case without reduction in battery output and preventing a short circuit between the electrodes caused by the penetration of a burr or the like on an electrode plate through a separator and capable of suppressing reduction of adhesion in nonaqueous electrolytic solution and suppressing the deterioration of the nonaqueous electrolytic solution and having such a cohesive strength that when it is used in the form of a tape, a pressure-sensitive adhesive layer does not squeeze out of a base material layer and formed of at least two layers: a base material layer (A) containing a polyolefin-based thermoplastic resin; (B) containing an α-olefin-based thermoplastic resin in the stated order.

Lithium sulfur battery

A lithium sulfur battery comprising an electrolyte solvent which comprises at least one fluorosubstituted compound is described. Preferred fluorosubstituted compounds which are predominantly solvents are notably selected from the group consisting of fluorosubstituted carboxylic acid esters, fluorosubstituted carboxylic acid amides, fluorosubstituted fluorinated ethers, fluorosubstituted carbamates, fluorosubstituted cyclic carbonates, fluorosubstituted acyclic carbonates, fluorosubstituted ethers, perfluoroalkyl phosphoranes, fluorosubstituted phosphites, fluorosubstituted phosphates, fluorosubstituted phosphonates, and fluorosubstituted heterocycles. Monofluoroethylene carbonate, cis-difluoroethylene carbonate, trans-difluoroethylene carbonate, 4,4-difluoroethylene carbonate, trifluoroethylene carbonate, tetrafluoroethylene carbonate, 4-fluoro-4-methyl-1,3-dioxolane-2-one, 4-fluoro-4-ethyl-1,3-dioxolane-2-one, 2,2,2-trifluoroethyl-methyl carbonate, 2,2,2-trifluoroethyl-fluoromethyl carbonate are preferred. The solvent may further comprise a non-fluorinated solvent, e.g., ethylene carbonate, a dialkyl carbonate, or propylene carbonate. Use of such fluorinated compound as additive for such batteries and specific electrolyte solutions.

Nonaqueous electrolytic solution and nonaqeuous-electrolyte secondary battery

An object of the invention is to provide a nonaqueous electrolytic solution which is capable of bringing about a nonaqueous-electrolyte secondary battery improved in initial charge capacity, input/output characteristics, and impedance characteristics. The invention relates to a nonaqueous electrolytic solution which comprises: a nonaqueous solvent; LiPF 6 ; and a specific fluorosulfonic acid salt, and to a nonaqueous-electrolyte secondary battery containing the nonaqueous electrolytic solution.

Non-aqueous electrolyte additive for lithium secondary battery, non-aqueous electrolyte, and lithium secondary battery including the same

A non-aqueous electrolyte additive for a lithium secondary battery, a non-aqueous electrolyte for a lithium secondary battery, and a lithium secondary battery, the additive including a bidentate phosphorus compound represented by the following Chemical Formula 1.

Nonaqueous electrolyte solution containing cyclic sulfone compound, and lithium secondary battery

A non-aqueous electrolyte solution containing a cyclic sulfone compound having a 1,3-dithietane-1,1,3,3-tetraoxide structure is provided. The cyclic sultone compound is preferably a compound represented by formula (I) [wherein in formula (I), R 1 to R 4 each represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, or the like].

Electrolyte Materials For Batteries And Methods For Use

An electrolyte solution comprising an additive wherein the additive is not substantially consumed during charge and discharge cycles of the electrochemical cell. Additives include Lewis acids, electron-rich transition metal complexes, and electron deficient pi-conjugated systems.

Nonaqueous electrolyte secondary battery

Provided is a nonaqueous electrolyte secondary battery having improved durability properties in terms of cycling, storage and the like. The nonaqueous electrolyte secondary battery comprises a nonaqueous electrolyte solution that contains a lithium salt and a nonaqueous solvent that dissolves the lithium salt, a negative electrode capable of absorbing and releasing lithium ions, and a positive electrode. The negative electrode contains a negative electrode active material made up of graphite particles having a rhombohedral rate ranging from 0% to 35%, and the nonaqueous electrolyte solution contains a compound represented by formula (1). As a result, a nonaqueous electrolyte secondary battery that achieves the above object is provided.

Rechargeable lithium battery

A rechargeable lithium battery includes a negative electrode including a negative active material, a positive electrode including a positive active material, and an electrolyte including LiPO 2 F 2 and a sultone-based compound.

Li-air batteries having ether-based electrolytes

A lithium-air battery includes a cathode including a porous active carbon material, a separator, an anode including lithium, and an electrolyte including a lithium salt and polyalkylene glycol ether, where the porous active carbon material is free of a metal-based catalyst.

Container for nonaqueous electrolyte solution, nonaqueous electrolyte solution to put in container, and method for storing nonaqueous electrolyte solution

(1) A container for a nonaqueous electrolytic solution, containing a material containing an aluminum or aluminum alloy layer, and storing a nonaqueous electrolytic solution containing a nonaqueous solvent having dissolved therein an electrolyte salt, the container having a cap and a plug each formed of a resin, and maintaining the nonaqueous electrolytic solution to have a water content of 50 ppm or less after storing in the container for 30 days, (2) a nonaqueous electrolytic solution placed in the container, and (3) a method for storing a nonaqueous electrolytic solution. The container for a nonaqueous electrolytic solution is a light weight container that prevents the nonaqueous electrolytic solution from being decomposed on storing to maintain the high quality, and facilitates and ensures the handling of the nonaqueous electrolytic solution.

Reducing Oxygen and Electrolyte Transport Limitations in the Lithium/Oxygen Battery through Electrode Design and Wetting Control

A battery system in one embodiment includes a negative electrode, a separator layer adjacent to the negative electrode, and a positive electrode adjacent to the separator layer, the positive electrode including a gas phase and an electrically conductive framework defining at least one wetting channel, the wetting channel configured to distribute an electrolyte within the electrically conductive framework.

Gel Electrolytes For Dye Sensitized Solar Cells

Replacing liquid electrolytes with solid or quasi-solid electrolytes facilitates the production of photovoltaic cells using continuous manufacturing processes, such as roll-to-roll or web processes, thus creating inexpensive, lightweight photovoltaic cells using flexible plastic substrates.

Controlling the Location of Product Distribution and Removal in a Metal/Oxygen Cell

In accordance with one embodiment, an electrochemical cell includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode and configured to use a form of oxygen as a reagent, a separator positioned between the negative electrode and the thick positive electrode, and an electrolyte including a salt concentration of less than 1 molar filling or nearly filling the positive electrode.

Electrolyte Additive for Rechargeable Lithium Battery and Rechargeable Lithium Battery Including Same

An electrolyte additive for a rechargeable lithium battery, represented by the following Chemical Formula 1: wherein, R 1 to R 4 are each independently selected from hydrogen, an aliphatic saturated hydrocarbon group, an aliphatic unsaturated hydrocarbon group, an aromatic hydrocarbon group, a heterocyclic group, or a combination thereof, provided that at least one of R 1 or R 2 and at least one of R 3 or R 4 are independently an unsaturated hydrocarbon group including at least one carbon-carbon double bond, and R 5 is selected from hydrogen, a halogen, an aliphatic saturated or unsaturated hydrocarbon group, an aromatic hydrocarbon group, a hydroxyl group, a nitro group, a cyano group, an imino group, an amino group, an amidino group, a hydrazine group, a carboxyl group, a heterocyclic group, or a combination thereof.

Method for producing lithium or sodium bis(fluorosulfonyl)imide

The invention relates to a process for the preparation of a bis(sulphonato)imide salt of formula: (III) (SO 3 − )—N − —(SO 3 ) 3 C +   (III) where C + represents a monovalent cation, comprising the reaction of amidosulphuric acid of formula: (OH)—SO 2 —NH 2   (I) with a halosulphonic acid of formula: (OH)—SO 2 —X  (II) where X represents a halogen atom, and comprising a reaction with a base which is a salt formed with the cation C + . The invention also relates to a process for the preparation of bis(fluorosulphonyl)imide acid of formula: F—(SO 2 )—NH—(SO 2 )—F  (V) and to a process for the preparation of lithium bis(fluorosulphonyl)imide salt of formula: F—(SO 2 )—N − —(SO 2 )—F Li + .  (VII)

Lithium-ion electrochemical cells including fluorocarbon electrolyte additives

Lithium-ion electrochemical cells are provided that include a positive electrode that includes a lithium metal oxide or a lithium metal phosphate, a negative electrode capable of intercalating or alloying with lithium, and an electrolyte that includes an additive. The additive includes a multifunctional anion that has the formula, X—SO 2 —R f′ —SO 2 —Y, wherein X and Y are, independently, either O— or R f SO 2 N—, R f is a straight or branched fluoroalkyl moiety having from 1 to 6 carbon atoms, and can, optionally, contain one or more in-chain heteroatoms, wherein R f′ is a straight or branched chain or cyclic fluoroalkylene having from 1 to 10 carbon atoms and can, optionally, contain one or more in-chain heteroatoms, and wherein both R f and R f′ have a maximum of 20% non-fluorine substituents. The provided additives can improve the performance, hydrolytic stability, and thermal stability of the provided electrochemical cells.

Non-Aqueous Electrolyte Solution For Lithium Secondary Battery And Lithium Secondary Battery Including The Same

A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte solution includes a lithium salt, an organic solvent, a first additive, and a second additive, wherein the first additive is lithium 4,5-dicyano-2-(trifluoromethyl)imidazolide, and the second additive is tetravinylsilane.

ORGANIC ELECTROLYTE AND ORGANIC ELECTROLYTE STORAGE BATTERY

The present invention provides an organic electrolyte that improve the organic electrolyte storage battery of an electric vehicle in the initial storage capacity that affects the possible cruising range, which electrolyte comprises a compound represented by formula (1) below: 3. The organic electrolyte according to claim 1 , wherein the compound represented by formula (1) is contained in an amount of 0.04 to 15 percent by mass in the organic electrolyte.4. The organic electrolyte according to claim 2 , wherein the compound represented by formula (2) is contained in an amount of 0.04 to 15 percent by mass in the organic electrolyte.5. The organic electrolyte according to claim 2 , wherein the compound represented by formula (3) is contained in an amount of 0.005 to 20 percent by mass in the organic electrolyte.6. The organic electrolyte according to claim 2 , wherein the blend ratio of the compound represented by formula (1) and the compound represented by formula (2) is 1:0.01 to 10 by weight ratio.7. The organic electrolyte according to claim 2 , wherein the blend ratio of the compound represented by formula (1) and the compound represented by formula (3) is 1:0.01 to 10 by weight ratio.8. The organic electrolyte according to claim 1 , wherein the compound represented by formula (1) is 1-cyclohexyl-1-phenylethane claim 1 , 1 claim 1 ,1-dicyclohexylethane or 1 claim 1 ,2-dicyclohexylethane.9. The organic electrolyte according to claim 2 , wherein the compound represented by formula (2) is 1 claim 2 ,1-diphenylethane.10. The organic electrolyte according to claim 2 , wherein the compound represented by formula (2) is 1 claim 2 ,1-diphenylethylene claim 2 , vinylene carbonate claim 2 , fluoroethylene carbonate or vinylethylene carbonate.11. The organic electrolyte according to claim 1 , wherein it contains a high-dielectric solvent in an amount of 5 to 45 percent by volume.12. An organic electrolyte storage battery comprising the organic electrolyte according to . The ...

NON-AQUEOUS ELECTROLYTE AND BATTERY

A non-aqueous electrolyte including (i) a compound represented by the general formula 1. A non-aqueous electrolyte comprising: {'br': None, 'sub': '2', 'X—R—SOF\u2003\u2003(1)'}, '(i) a compound represented by the general formula (1){'sub': '1-12', '(where R is a Clinear or branched alkylene group optionally containing an ether bond and optionally hydrogen atoms of the alkylene group are partly substituted by a fluorine atom(s); and X is a carboxylic acid derivative group);'}(ii) a non-aqueous solvent; and(iii) an electrolyte salt.2. The non-aqueous electrolyte according to claim 1 , wherein X is —CONH claim 1 , —CN claim 1 , —CON(CH)or —CON(CH).3. The non-aqueous electrolyte according to claim 1 , wherein the non-aqueous solvent (ii) is at least one fluorine solvent selected from the group consisting of a fluorine-containing cyclic carbonate claim 1 , a fluorine-containing linear carbonate and a fluorine-containing ether.4. The non-aqueous electrolyte according to claim 1 , wherein R is a fluorine-containing alkylene group optionally containing an ether bond.5. The non-aqueous electrolyte according to claim 1 , wherein R is a perfluoroalkylene group optionally containing an ether bond.6. The non-aqueous electrolyte according to claim 1 , wherein the non-aqueous electrolyte contains the compound (i) at 0.01 to 20% by volume.7. A battery comprising a positive electrode claim 1 , a negative electrode and the non-aqueous electrolyte according to .8. The battery according to claim 7 , wherein the positive electrode contains claim 7 , as a positive electrode active material claim 7 , a lithium transition metal oxide represented by the following formula (2-1):{'br': None, 'sub': a', '2−(a+b)', 'b', '2, 'sup': 1', '2, 'LiMMO\u2003\u2003(2-1)'}{'sup': 1', '2', '1', '2, '(where Mis Mn, Ni, V, Co, or Fe; Mis at least one selected from the group consisting of Fe, Co, Ni, Mn, Mg, Cu, Zn, Al, Sn, B, Ga, Cr, V, Sr, Ca, In, Si, Ge and Ti; provided that 0.4≦a≦1.2 and 0≦b≦0.6, and ...

LITHIUM ION SECONDARY BATTERY

Provided is a lithium ion secondary battery including: a positive electrode having a positive electrode active material layer disposed on a positive electrode current collector; a negative electrode having a negative electrode active material layer disposed on a negative electrode current collector; and an electrolyte solution. The positive electrode active material layer includes a positive electrode active material containing a lithium nickel composite oxide. The positive electrode contains an alkaline component by less than 1% relative to a weight of the positive electrode active material. The electrolyte solution includes an additive containing a cyclic carbonate additive with an unsaturated bond. A molar ratio of the cyclic carbonate additive with an unsaturated bond relative to a total molar amount of the additive is 78% or less. 1. A lithium ion secondary battery comprising:a positive electrode having a positive electrode active material layer disposed on a positive electrode current collector;a negative electrode having a negative electrode active material layer disposed on a negative electrode current collector; andan electrolyte solution, whereinthe positive electrode active material layer includes a positive electrode active material containing a lithium nickel composite oxide,the positive electrode contains an alkaline component by less than 1% relative to a weight of the positive electrode active material,the electrolyte solution includes an additive containing a cyclic carbonate additive with an unsaturated bond, anda molar ratio of the cyclic carbonate additive with an unsaturated bond relative to a total molar amount of the additive is 78% or less.2. The lithium ion secondary battery according to claim 1 , wherein the molar ratio of the cyclic carbonate additive with an unsaturated bond relative to the total molar amount of the additive is 63% or less.3. The lithium ion secondary battery according to claim 1 , wherein the positive electrode contains ...

Electrolytic solution, electrochemical device, lithium ion secondary battery, and module

The present invention aims to provide an electrolytic solution which restrains gas generation and has excellent battery characteristics. The electrolytic solution includes a nonaqueous solvent (I), an electrolyte salt (II), and 0.001 to 20% by mass of a compound represented by the formula (1) or the formula (A), R 1 —ORf 1 —(ORf 2 ) l —(ORf 3 ) m —CN  (1) wherein R 1 represents CH 3 —Rf—, CH 2 F—Rf—, or CHF 2 —Rf—, and Rf in R 1 represents an alkylene group which may optionally have a fluorine atom, Rf 1 , Rf 2 , and Rf 3 may be the same as or different from each other, and individually represent a C1-C3 fluorinated alkylene group, and l and m may be the same as or different from each other, and individually represent an integer of 0 to 5, RA 1 -ORf A1 —(ORf A2 ) l —(ORf A3 ) m —CN  (A) wherein R A1 represents a C2-C9 group having an unsaturated bond, Rf A1 , Rf A2 , and Rf A3 may be the same as or different from each other, and individually represent a C1-C3 alkylene group which may optionally have a fluorine atom, and l and m may be the same as or different from each other, and individually represent an integer of 0 to 5.

ELECTRIC STORAGE CELL, COVERING FILM AND ELECTRIC STORAGE MODULE

An electric storage cell has an electric storage element and a covering film package. The covering film package houses the electric storage element and includes: a metal layer having a first principle face on the electric storage element side and a second principle face on the opposite side of the first principle face, an internal resin layer made of synthetic resin and laminated to the first principle face, and an external resin layer made of synthetic resin and laminated to the second principle face, with a slit formed at least in the external resin layer; wherein a stress mitigation part to mitigate any stress that tries to separate the internal resin layers that are contacting each other, and a stress concentration part where this stress concentrates, are provided between the slit and the electric storage element. 1. A electric storage cell , having:an electric storage element; and; a metal layer having a first principle face on an electric storage element side and a second principle face on an opposite side of the first principle face,', 'an internal resin layer made of synthetic resin and laminated to the first principle face, wherein the internal resin layers of the upper and lower portions are in contact with each other in a contact area including the seal area around the periphery of the electric storage element, and', 'an external resin layer made of synthetic resin and laminated to the second principle face, with a slit formed at least in the external resin layer at a location between the seal area and the electric storage element as viewed from above,', 'wherein a stress mitigation part to mitigate any stress that tries to separate the internal resin layers that are contacting each other in the contact area, and a stress concentration part where the stress concentrates, are provided between the slit and the electric storage element as viewed from above., 'a covering film package that houses the electric storage element and comprises a covering film ...

Lithium ion secondary battery

A lithium ion secondary battery includes: a cathode; an anode: a separator; and an electrolytic solution containing lithium hexafluorophosphate (LiPF 6 ) as a lithium salt, wherein the cathode includes a current collector and a cathode mixture formed on the current collector, and wherein the cathode mixture contains an aluminum oxide, a part or an entirety of a surface of the aluminum oxide being coated with carbon.

NONAQUEOUS ELECTROLYTE, ENERGY STORAGE DEVICE, AND METHOD FOR PRODUCING ENERGY STORAGE DEVICE

Provided is a nonaqueous electrolyte capable of suppressing swelling of an energy storage device caused by repeated charge-discharge, an energy storage device including the nonaqueous electrolyte, and a method for producing the energy storage device. One aspect of the present invention is a nonaqueous electrolyte which is used for an energy storage device and contains halogenated toluene and halogenated nitrotoluene. Another aspect of the present invention is an energy storage device including the nonaqueous electrolyte. Another aspect of the present invention is a method for producing an energy storage device, which uses the nonaqueous electrolyte. 1. A nonaqueous electrolyte which is used for an energy storage device and comprises halogenated toluene and halogenated nitrotoluene.2. The nonaqueous electrolyte according to claim 1 , wherein the halogenated toluene is fluorotoluene.3. The nonaqueous electrolyte according to claim 1 , wherein a content of the halogenated toluene is 0.1% by mass or more and 8% by mass or less based on a total mass of the nonaqueous electrolyte.4. The nonaqueous electrolyte according to claim 1 , wherein the halogenated nitrotoluene is fluoronitrotoluene.5. The nonaqueous electrolyte according to claim 1 , wherein a content of the halogenated nitrotoluene is 0.001% by mass or more and 3% by mass or less based on the total mass of the nonaqueous electrolyte.6. An energy storage device comprising the nonaqueous electrolyte according to .7. A method for producing an energy storage device claim 1 , the method using the nonaqueous electrolyte according to . The present invention relates to a nonaqueous electrolyte, an energy storage device, and a method for producing an energy storage device.Nonaqueous electrolyte secondary batteries typified by lithium ion secondary batteries are widely used in electronic apparatuses such as personal computers and communication terminals, automobiles and the like because of their high energy density. In ...

LITHIUM SECONDARY BATTERY COMPRISING ELECTROLYTE

The present invention relates to a lithium secondary battery. The lithium secondary battery includes a positive electrode including a positive active material; a negative electrode including a negative active material; and an electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive including a compound represented by Chemical Formula 1. The negative active material includes Si at about 0.1 wt % to about 32 wt % in amount based on a total weight of the negative active material. 2. The lithium secondary battery of claim 1 , wherein in Chemical Formula 1 claim 1 , A is a Cto Chydrocarbon chain or (—CH—O—CH—)n claim 1 , and n is an integer from 1 to 5.4. The lithium secondary battery of claim 1 , wherein the additive is 0.1 wt % to 3 wt % in amount based on a total amount of the electrolyte.5. The lithium secondary battery of claim 1 , wherein the additive is 0.15 wt % to 2 wt % in amount based on a total amount of the electrolyte.6. The lithium secondary battery of claim 1 , wherein the negative active material comprises:i) a core comprising a mixture of crystalline carbon and Si, and an amorphous carbon coating layer surrounding the core; orii) a core comprising crystalline carbon and Si adhered to a surface of the core.7. The lithium secondary battery of claim 1 , wherein the additive further comprises an additional additive selected from fluoroethylene carbonate claim 1 , vinylene carbonate claim 1 , vinyl ethylene carbonate claim 1 , succinonitrile claim 1 , hexane tricyanide claim 1 , lithium tetrafluoroborate claim 1 , and propane sultone.8. The lithium secondary battery of claim 7 , wherein the additional additive is 0.1 wt % to 20 wt % in amount based on a total amount of the electrolyte.9. The lithium secondary battery of claim 1 , wherein the positive active material comprises a nickel-containing lithium transition metal compound.10. The lithium secondary battery of claim 9 , wherein nickel is about 60 mol % or more in amount based ...

Nonaqueous electrolyte battery and battery pack

According to one embodiment, a nonaqueous electrolyte battery includes a negative electrode and a nonaqueous electrolyte. The negative electrode includes a negative electrode active material and a binder. The negative electrode active material contains monoclinic titanium dioxide or Li 4+a Ti 5 O 12 (here, −0.5≤a≤3). The binder includes polyvinylidene fluoride with a molecular weight of 400,000 to 1,000,000. The negative electrode satisfies a formula (I) below. The nonaqueous electrolyte contains at least one of difluorophosphate and monofluorophosphate. 0.1≤( P 2/ P 1)≤0.4  (I)

Binder composition for non-aqueous secondary battery electrode, slurry composition for non-aqueous secondary battery electrode, non-aqueous secondary battery electrode, and non-aqueous secondary battery

Disclosed is a binder composition for non-aqueous secondary battery electrode which comprises: a water-soluble polymer which comprises an acid group-containing monomer unit; and water, wherein the water-soluble polymer comprises the acid group-containing monomer unit in an amount of 5% to 70% by mass, and wherein the water-soluble polymer comprises water-soluble polymer particles having a radius of gyration of 200 nm or less in an amount of 95% to 100% by mass.

LITHIUM TITANATE POWDER FOR ELECTRODE OF ENERGY STORAGE DEVICE, ACTIVE MATERIAL, AND ELECTRODE SHEET AND ENERGY STORAGE DEVICE USING THE SAME

An object of the present invention is to provide a lithium titanate powder and an active material which, in the case of being applied as an electrode material of an energy storage device, can suppress the gas generation at high temperatures and the capacity reduction in high-temperature charge and discharge cycles and besides can also suppress the resistance rise in the high-temperature charge and discharge cycles, an electrode sheet, of an energy storage device, containing these, and an energy storage device using the electrode sheet. The lithium titanate powder contains LiTiOas a main component, wherein the powder contains secondary particles being aggregates of primary particles composed of lithium titanate, and has a Dof 0.03 μm or more and 0.6 μm or less and a D50 of 3 μm or more and 40 μm or less where the Drepresents a specific surface area-equivalent diameter calculated from a specific surface area determined by a BET method, and the D50 represents a median particle diameter in volume, a ratio D50/D(μm/μm) of D50 to Dof 20 or more and 350 or less, a moisture amount (25° C. to 350° C.) of 600 ppm or less as measured by Karl Fischer's method, and an average 10%-compressive strength of the secondary particles of 0.1 MPa or more and 3 MPa or less. 1. A lithium titanate powder , comprising LiTiOas a main component ,wherein the lithium titanate powder comprises secondary particles being aggregates of primary particles composed of lithium titanate; and{'sub': BET', 'BET, 'the lithium titanate powder has: a Dof 0.03 μm or more and 0.6 μm or less and a D50 of 3 μm or more and 40 μm or less where the Drepresents a specific surface area-equivalent diameter calculated from a specific surface area determined by a BET method, and the D50 represents a median particle diameter in volume;'}{'sub': BET', 'BET, 'a ratio D50/D(μm/μm) of D50 to Dof 20 or more and 350 or less;'}a moisture amount (25° C. to 350° C.) of 600 ppm or less as measured by Karl Fischer's method; andan ...

Electrolyte Solution for Nonaqueous Electrolyte Batteries, and Nonaqueous Electrolyte Battery Using Same

Disclosed is an electrolyte solution for a nonaqueous electrolyte battery having an aluminum foil as a positive electrode current collector, which contains: a nonaqueous organic solvent; a fluorine-containing ionic salt as a solute; at least one kind selected from the group consisting of a fluorine-containing imide salt, a fluorine-containing sulfonic acid salt and a fluorine-containing phosphoric acid salt as an additive; and at least one kind selected from the group consisting of chloride ion and a chlorine-containing compound capable of forming chloride ion by charging, wherein the concentration of the component is 0.1 mass ppm to 500 mass ppm in terms of chlorine atom relative to the total amount of the components and. Even though the above additive component is contained, the electrolyte solution is able to suppress elution of aluminum from the aluminum foil as the positive electrode current collector during high-temperature charging. 1. An electrolyte solution for a nonaqueous electrolyte battery , the nonaqueous electrolyte battery comprising an aluminum foil as a positive electrode current collector , the electrolyte solution comprising the following components:(I) a nonaqueous organic solvent;(II) a fluorine-containing ionic salt as a solute;(III) an additive being at least one kind selected from the group consisting of a fluorine-containing imide salt, a fluorine-containing sulfonic acid salt and a fluorine-containing phosphoric acid salt; and(IV) at least one kind selected from the group consisting of chloride ion and a chlorine-containing compound capable of forming chloride ion by charging,wherein the concentration of the component (IV) is 0.1 mass ppm to 500 mass ppm in terms of chlorine atom relative to the total amount of the components (I) and (II).2. The electrolyte solution for the nonaqueous electrolyte battery according to claim 1 , wherein the concentration of the component (IV) is 0.2 mass ppm to 300 mass ppm in terms of chlorine atom relative ...

Method of Producing Shape-Conformable Alkali Metal-Sulfur Battery Having a Deformable and Conductive Quasi-Solid Electrode

Provided is a method of preparing an alkali-sulfur cell comprising: (a) combining a quantity of an active material, a quantity of an electrolyte containing an alkali salt dissolved in a solvent, and a conductive additive to form a deformable and electrically conductive electrode material, wherein the conductive additive, containing conductive filaments, forms a 3D network of electron-conducting pathways; (b) forming the electrode material into a quasi-solid electrode (the first electrode), wherein the forming step includes deforming the electrode material into an electrode shape without interrupting the 3D network of electron-conducting pathways such that the electrode maintains an electrical conductivity no less than 10S/cm; (c) forming a second electrode (the second electrode may be a quasi-solid electrode as well); and (d) forming an alkali-sulfur cell by combining the quasi-solid electrode and the second electrode having an ion-conducting separator disposed between the two electrodes. 1. A method of producing an alkali metal-sulfur cell having a quasi-solid electrode , the method comprising:(a) combining a quantity of a cathode active material, a quantity of an electrolyte, and a conductive additive to form a deformable and electrically conductive cathode material, wherein said cathode active material contains a sulfur-containing material selected from sulfur, a metal-sulfur compound, a sulfur-carbon composite, a sulfur-graphene composite, a sulfur-graphite composite, an organic sulfur compound, a sulfur-polymer composite, or a combination thereof, and wherein said conductive additive, containing conductive filaments, forms a 3D network of electron-conducting pathways and said electrolyte contains an alkali salt dissolved in a solvent and no ion-conducting polymer dissolved or dispersed in said solvent;{'sup': '−6', '(b) forming the cathode material into a quasi-solid cathode, wherein said forming includes deforming the cathode material into an electrode shape ...

Electrolyte for rechargeable lithium battery and rechargeable lithium battery

Disclosed is an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a compound represented by Chemical Formula 1. In Chemical Formula 1, each substituent is the same as in the detailed description. A rechargeable lithium battery includes: a positive electrode; a negative electrode; and the electrolyte.

Mobile layer of ionic liquid in electrolytes

Electrolytes, anodes, lithium ion cells and methods are provided for preventing lithium metallization in lithium ion batteries to enhance their safety. Electrolytes comprise up to 20% ionic liquid additives which form a mobile solid electrolyte interface during charging of the cell and prevent lithium metallization and electrolyte decomposition on the anode while maintaining the lithium ion mobility at a level which enables fast charging of the batteries. Anodes are typically metalloid-based, for example include silicon, germanium, tin and/or aluminum. A surface layer on the anode bonds, at least some of the ionic liquid additive to form an immobilized layer that provides further protection at the interface between the anode and the electrolyte, prevents metallization of lithium on the former and decomposition of the latter.

SILICONE-CONTAINING COMPOUND, ELECTROLYTE FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY INCLUDING THE SAME, AND THE METHOD OF PREPARING THE SILICONE-CONTAINING COMPOUND

A silicone-containing compound is an additive for a lithium secondary battery electrolyte for improving high-temperature lifetime characteristics and/or high-temperature stability of a lithium secondary battery. An electrolyte for a lithium secondary battery includes the silicon-containing compound. A lithium secondary battery includes the electrolyte. A method of preparing the silicon-containing compound is also provided. 2. The electrolyte for a rechargeable lithium battery according to claim 1 , wherein X is nitrogen (N).3. The electrolyte for a rechargeable lithium battery according to claim 1 , wherein when one or more of R claim 1 , R claim 1 , R claim 1 , R claim 1 , or Ris a substituted group claim 1 , a substituent of the substituted group is selected from the group consisting of a halogen atom claim 1 , a C1-C10 alkyl group substituted with a halogen atom claim 1 , a hydroxy group claim 1 , a nitro group claim 1 , a cyano group claim 1 , an amino group claim 1 , an amidino group claim 1 , a hydrazine claim 1 , a hydrazone claim 1 , a carboxyl group or a salt thereof claim 1 , a sulfonic acid group or a salt thereof claim 1 , a phosphoric acid group or a salt thereof claim 1 , a C1-C10 alkyl group claim 1 , a C2-C10 alkenyl group claim 1 , a C2-C10 alkynyl group claim 1 , and a C1-C10 heteroalkyl group.4. The electrolyte for a rechargeable lithium battery according to claim 1 , wherein:X is nitrogen (N);{'sub': '1', 'R and Rare each independently selected from the group consisting of a C1-C6 alkyl group, and a C1-C6 alkyl group substituted with one or more of a halogen atom; and'}{'sub': 2', '3', '4, 'R, R, and Rare each independently selected from the group consisting of a C1-C12 alkyl group, a C1-C12 alkyl group substituted with one or more of a halogen atom, a C2-C12 alkenyl group, and a C2-C12 alkenyl group substituted with one or more of a halogen atom.'}5. The electrolyte for a rechargeable lithium battery according to claim 1 , wherein one or more of ...

Curable composition for polymer electrolyte, and layered body

Provided is a curable composition for a polymer electrolyte, including: a component (A): a radical polymerizable compound having a (meth)acryloyl group, a component (B): a compound having, in one molecule, an epoxy group and a skeleton of at least one selected from the group consisting of polybutadiene, polyisoprene, hydrogenated polybutadiene, and hydrogenated polyisoprene, and a component (C): a radical polymerization initiator, in which a content of each of the components (A) to (C) based on the entire composition is as follows, the component (A): from 30 to 98.9% by mass the component (B): from 1 to 40% by mass, and the component (C): from 0.1 to 15% by mass.

Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including the Same

Provided is an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a cyclic phosphate compound, and a lithium secondary battery including the electrolyte.

ELECTROLYTE, LITHIUM BATTERY AND LITHIUM METAL BATTERY INCLUDING THE SAME, AND METHOD OF PREPARING THE ELECTROLYTE

An electrolyte including a block copolymer having a first domain and a second domain covalently linked to the first domain, an ionic liquid, an oligomer, an inorganic particle, and a lithium salt, wherein the first domain includes an ion conductive polymer block, and the second domain includes a non-conducting polymer block. 1. An electrolyte comprising:a block copolymer comprising a first domain and a second domain covalently linked to the first domain;an ionic liquid;an oligomer;an inorganic particle; anda lithium salt,wherein the first domain comprises an ion conductive polymer block, and the second domain comprises a non-conducting polymer block.2. The electrolyte of claim 1 , wherein a size Dof the first domain calculated according to Equation 1 is greater than a size Dof the second domain claim 1 , calculated according to Equation 1:{'br': None, 'i': D', 'q, 'sub': 1', '1, '=2π/\u2003\u2003Equation 1'}{'sub': '1', 'claim-text': {'br': None, 'i': D', 'q, 'sub': 2', '2, '=2π/\u2003\u2003Equation 2.'}, 'wherein qis a first domain scattering vector determined by transmission electron microscopy small angle X-ray scattering'}{'sub': '2', 'wherein qis a second domain scattering vector determined by transmission electron microscopy small angle X-ray scattering.'}3. The electrolyte of claim 1 , wherein a size Dof the first domain is in a range of about 22 nanometers to about 100 nanometers.4. The electrolyte of claim 1 , wherein a number average molecular weight Mn of the ion conductive polymer block comprised in the first domain is 10 claim 1 ,000 Daltons or greater.5. The electrolyte of claim 1 , wherein a number average molecular weight of the non-conducting polymer block comprised in the second domain is 10 claim 1 ,000 Daltons or greater.6. The electrolyte of claim 1 , wherein an amount of the non-conducting polymer block comprised in the second domain is in a range of about 20 percent by weight to about 45 percent by weight based on a total weight of the block ...

ELECTROLYTE AND LITHIUM ION SECONDARY BATTERY

An electrolyte contains a non-aqueous solvent, a lithium salt, and a fluorine-containing ether compound represented by the following Formula (I). In the following formula, Rrepresents an alkyl group having 3 to 8 carbon atoms; Rrepresents an alkyl group having 1 carbon atom; at least 6 carbon atoms among carbon atoms bonded to the alkyl group represented by Rare substituted with fluorine atoms; and at least one hydrogen atom among hydrogen atoms bonded to the alkyl group represented by Ris substituted with a fluorine atom. 1. An electrolyte comprising:a non-aqueous solvent;a lithium salt; and {'br': None, 'sup': 1', '2, 'R—O—R\u2003\u2003(I)'}, 'a fluorine-containing ether compound represented by the following Formula (I),'}{'sup': 1', '2', '1', '2, '[in the formula, Rrepresents an alkyl group having 3 to 8 carbon atoms; Rrepresents an alkyl group having 1 carbon atom; at least 6 hydrogen atoms among hydrogen atoms bonded to the alkyl group represented by Rare substituted with fluorine atoms; and at least one hydrogen atom among hydrogen atoms bonded to the alkyl group represented by Ris substituted with a fluorine atom].'}2. The electrolyte according to claim 1 ,wherein the content of the fluorine-containing ether compound is 1% by volume to 60% by volume with respect to the total amount of the electrolyte.3. The electrolyte according to claim 1 ,wherein the non-aqueous solvent is a solvent mixture of ethylene carbonate and diethylene carbonate.4. The electrolyte according to claim 1 ,wherein the non-aqueous solvent is a solvent mixture of fluorinated ethylene carbonate and diethylene carbonate.5. The electrolyte according to claim 4 ,wherein the content of the fluorinated ethylene carbonate is 30% by volume to 70% by volume with respect to the total amount of the non-aqueous solvent.7. The electrolyte according to claim 6 ,wherein the content of the boron-based compound is 0.01% by mass to 5% by mass with respect to the total amount of the electrolyte.8. The ...

NONAQUEOUS ELECTROLYTE SOLUTION AND NONAQUEOUS ELECTROLYTE BATTERY USING SAME

The object of the present invention is to provide a nonaqueous electrolyte secondary battery which has excellent balance of general performance with respect to performance including durability, capacity, resistance, and output characteristics. Provided is a nonaqueous electrolyte battery comprising a positive electrode and a negative electrode each being capable of occluding and releasing metal ions, and a nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains an electrolyte, a nonaqueous solvent, and at least one compound selected from the group consisting of a compound having a fluorosulfonyl structure (—SOF), a difluorophosphate, and an isocyanate compound, and wherein the negative electrode has a negative electrode active material containing metal particles capable of alloying with Li and graphite particles. 1: A nonaqueous electrolyte battery comprising a positive electrode and a negative electrode each being capable of occluding and releasing metal ions , and a nonaqueous electrolyte solution , the nonaqueous electrolyte solution comprising an electrolyte , a nonaqueous solvent , and at least one compound selected from the group consisting of a compound having a fluorosulfonyl structure (—SOF) , a difluorophosphate , and an isocyanate compound , and the negative electrode having a negative electrode active material containing metal particles capable of alloying with Li and graphite particles.2: The nonaqueous electrolyte battery according to claim 1 , wherein the metal particles capable of alloying with Li are at least one metal selected from the group consisting of Si claim 1 , Sn claim 1 , As claim 1 , Sb claim 1 , Al claim 1 , Zn claim 1 , and W or a metal compound thereof.3: The nonaqueous electrolyte battery according to claim 1 , wherein the metal particles capable of alloying with Li are Si or Si metal oxide.4: The nonaqueous electrolyte battery according to claim 1 , wherein the negative electrode active material ...

Non-aqueous electrolyte and lithium secondary battery comprising same

Disclosed are: a non-aqueous electrolyte for a lithium secondary battery containing 1-20 parts by weight of a cyano group-containing pyrimidine-based compound on the basis of 100 parts by weight of an organic solvent; and a lithium secondary battery comprising the same.

METHOD OF INCREASING SECONDARY POWER SOURCE CAPACITY

A method of increasing secondary power source capacity includes doping a compound into an electrolyte as an additive which binding energy is higher than binding energy of combinations that are formed at a secondary power source discharge, the compound being ZnKr or CdAr. The method can be used in manufacturing secondary power sources such as batteries for electrical machines, transport vehicles, and cars, and for power sources for portable and mobile electronic devices. 1. An electrolyte for a secondary power source , the electrolyte being doped with a compound which is ZnKr or CdAr.2. The electrolyte according to claim 1 , the electrolyte being lithium solution in a non-aqueous aprotic solvent.3. A secondary power source comprising an electrolyte as defined in .4. The secondary power source according to claim 3 , wherein the secondary power source is a battery.5. The secondary power source according to claim 4 , wherein the battery is a lithium ion battery.6. An electrical machine claim 4 , transport vehicle claim 4 , electric vehicle claim 4 , portable electronic device or mobile electronic device comprising a battery as defined in . This application is a continuation of U.S. patent application Ser. No. 14/343,116 which was filed Jul. 18, 2014, which represents the national stage entry of PCT International Application No. PCT/IB2012/001946 filed Aug. 28, 2012, which claims priority to Great Britain Patent Application 1115494.5 filed Sep. 7, 2011, the disclosures of which are hereby incorporated by reference in their entirety for all purposes.The invention relates to electrical engineering and can be used at secondary power source capacity manufacturing: accumulators, storage batteries, and modules, used both in the capacity of power source to machines, electrical vehicles, and other transport vehicles and cargo transports, and for portable and mobile electronic devices.At present, secondary power sources are subdivided into a few types, according to materials that ...

Iron ion trapping van der waals gripper additives for electrolyte systems in lithium-ion batteries

Electrochemical cells that cycle lithium ions and methods for suppressing or minimizing deposition of transition metal ions at negative electrodes are provided. The electrochemical cells include a positive electrode, a negative electrode, a separator disposed therebetween, and an electrolyte system including one or more lithium salts, one or more solvents, and at least one additive complexing compound. The at least one additive complexing compound includes an alkyl group having greater than or equal to 4 carbon atoms and less than or equal to 22 carbon atoms and a transition metal ion trapping group. The at least one additive compound associates with a surface of the separator via van der Waal's interactive forces and is further capable of complexing with transition metal ion within the electrochemical cell to sequester or tether the ions generated by contaminants to minimize or suppress the deposition of transition metal cations on the negative electrode.

Electrolyte and lithium-ion battery containing the same

The present application relates to the technical field of lithium-ion batteries and, specifically, relates to an electrolyte and a lithium-ion battery containing the electrolyte. The electrolyte of the present application includes a lithium salt, an organic solvent and additives, the additives include a fluorinated ether compound and an ester dimer compound, the ester dimer compound includes carbonate dimers, carboxylate dimers and sultone dimers. 1. An electrolyte , comprising a lithium salt , an organic solvent and additives , the additives comprise additive A and additive B , wherein the additive A is selected from the group consisting of carbonate dimers , carboxylate dimers and combinations thereof , and the additive B is selected from the group consisting of fluoroethers and combinations thereof.3. The electrolyte according to claim 1 , wherein a structural formula of the fluoroether compound is shown as Formula IV:{'br': None, 'sub': 41', '42, 'R—O—R\u2003\u2003 (IV)'}{'sub': 41', '42', '1˜20', '1˜20', '41', '42', '1˜20, 'in Formula IV, Rand Rare respectively selected from the group consisting of Calkyls and Cfluoroalkyls; at least one of Rand Ris a Cfluoroalkyl; and the fluoroalkyl is an alkyl of which all or partial hydrogen atoms are substituted by fluorine;'}{'sub': 41', '42', '1˜9', '1˜9, 'Rand Rare preferably selected from the group consisting of Calkyls and Cfluoroalkyls, respectively.'}4. The electrolyte according to claim 3 , wherein the fluoroether compound is selected from the group consisting of CFOCH claim 3 , CFOCH claim 3 , F(CF)OCH claim 3 , F(CF)OCH claim 3 , F(CF)OCH claim 3 , F(CF)OCH claim 3 , F(CF)OCH claim 3 , F(CF)OCH claim 3 , F(CF)OCH claim 3 , F(CF)OCH claim 3 , F(CF)OCH claim 3 , F(CF)OCH claim 3 , F(CF)OCH claim 3 , CFCHOCH claim 3 , CFCHOCHF claim 3 , CFCFCHOCH claim 3 , CFCFCHOCHF claim 3 , CFCFCHO(CF)H claim 3 , CFCFCHO(CF)F claim 3 , HCFCHOCH claim 3 , H(CF)OCHCH claim 3 , H(CF)OCHCF claim 3 , H(CF)CHOCHF claim 3 , H(CF)CHO(CF) ...

Electrolyte solution for a lithium ion cell

An electrolyte solution for a lithium-ion cell includes at least one organic carbonate solvent, at least one lithium salt including a non-coordinating anion and at least one polyfluorinated alkoxy olefin according to the general formula I, the general formula II, or the general formula III: I: R a R b C═CH—O—R, II: R a R b C═CH—O—CHR a ′R b ′, III: R a R b C═CH—O—R c —O—CH═CR a ′R b ′, wherein R a and R a ′ are each independently a fluorinated alkyl group having 1 or 2 carbon atoms, R b and R b ′ are each independently F, Cl, Br or H, and R is C n H x F y , wherein n is an integer from 1 to 6, x and y are each independently integers from 0 to 13, and x+y=2n+1 or x+y=2n−1, and R c is C k H (2k+1) , wherein k is an integer from 2 to 4.

Electrolyte for rechargeable lithium battery and rechargeable lithium battery including same

The present invention relates to an electrolyte for a rechargeable lithium, battery and a rechargeable lithium battery including same, wherein the electrolyte for a rechargeable lithium battery may comprise: a non-aqueous organic solvent, a lithium salt, a first additive containing a compound represented by chemical formula 1, and a second additive containing a magnesium salt.

POLYMER ELECTROLYTE FOR SECONDARY BATTERY AND SECONDARY BATTERY INCLUDING THE SAME

The present invention provides a polymer electrolyte for a secondary battery having high ionic conductivity, and a lithium secondary battery including the same. 2. The polymer electrolyte for a secondary battery of claim 1 , wherein claim 1 , in Formula 1 claim 1 , the ratio of n:m is in a range of 40:60 to 60:40 claim 1 , andin Formula 2, the ratio of n′:m′ is in a range of 40:60 to 60:40.3. The polymer electrolyte for a secondary battery of claim 1 , wherein claim 1 , in Formula 1 claim 1 , the ratio of n:m is 50:50 claim 1 , andin Formula 2, the ratio of n′:m′ is 50:50.4. The polymer electrolyte for a secondary battery of claim 1 , wherein the polymer including the repeating unit represented by Formula 1 or the polymer including the repeating unit represented by Formula 2 has a weight-average molecular weight (Mw) of 5 claim 1 ,000 g/mol to 2 claim 1 ,000 claim 1 ,000 g/mol.5. The polymer electrolyte for a secondary battery of claim 1 , wherein the polymer including the repeating unit represented by Formula 1 or the polymer including the repeating unit represented by Formula 2 has a weight-average molecular weight (Mw) of 500 claim 1 ,000 g/mol to 1 claim 1 ,000 claim 1 ,000 g/mol.8. The polymer electrolyte for a secondary battery of claim 1 , wherein the polymer electrolyte is a free-standing solid polymer electrolyte.9. The polymer electrolyte for a secondary battery of claim 1 , wherein the polymer electrolyte is a gel polymer electrolyte further including a lithium salt-containing electrolyte solution.10. The polymer electrolyte for a secondary battery of claim 9 , wherein the gel polymer electrolyte further comprises an ionic liquid.11. The polymer electrolyte for a secondary battery of claim 10 , wherein the ionic liquid comprises at least one selected from the group consisting of diethylmethylammonium trifluoromethanesulfonate claim 10 , dimethylpropylammonium trifluoromethanesulfonate claim 10 , N claim 10 ,N-diethyl-N-methyl-N-(2-methoxyethyl)ammonium ...

LITHIUM-ION BATTERY AND ITS ELECTROLYTE

The present invention discloses a Lithium ion battery and an electrolyte thereof, the electrolyte comprising an organic solvent, a lithium salt and an additive. The additive comprises a cyclic fluoro carbonate (A), a cyclic phosphazene (B), a cyclic sulfate and a lithium fluoro oxalate borate (D). The lithium fluoro oxalate borate (D) has following formula: 3. The Lithium ion battery electrolyte according to claim 2 , wherein the lithium fluoro oxalate borate is present in an amount of 0.1 to 8% claim 2 , based on the total weight of the electrolyte.5. The Lithium ion battery electrolyte according to claim 4 , wherein the cyclic fluoro carbonate is present in an amount of 0.5 to 45% claim 4 , based on the total weight of the electrolyte.7. The Lithium ion battery electrolyte according to claim 6 , wherein the cyclic phosphazene is present in an amount of 0.1 to 10% claim 6 , based on the total weight of the electrolyte.9. The Lithium ion battery electrolyte according to claim 8 , wherein the cyclic sulfate is present in an amount of 0.1 to 8% claim 8 , based on the total weight of the electrolyte.10. The Lithium ion battery electrolyte according to claim 1 , wherein the additive further comprises at least one of lithium difluorophosphate (LiPOF) and lithium bis(fluorosulfonyl)imide (LiFSI).11. The Lithium ion battery electrolyte according to claim 10 , wherein the lithium difluorophosphate (LiPOF) is present in an amount of 0.1 to 5% based on the total weight of the electrolyte.12. The Lithium ion battery electrolyte according to claim 10 , wherein the lithium bis(fluorosulfonyl)imide (LiFSI) is present in an amount of 0.1 to 5% based on the total weight of the electrolyte.13. A Lithium ion battery comprising: a positive electrode claim 1 , a negative electrode claim 1 , a separator between the positive electrode and the negative electrode claim 1 , and an electrolyte claim 1 , wherein the electrolyte is the Lithium ion battery electrolyte according to .14. The ...

USE OF LITHIUM SALT MIXTURES AS LI-ION BATTERY ELECTROLYTES

Lithium salt mixtures, for example a mixture including at least two lithium salts chosen from two of the three following groups of salts: X: LiPF, LiBF, CHCOOLi, CHSOLi, CFSOLi, CFCOOLi, LiBF, LiBCOR—SO—NLi—SO—R, where Rand Rindependently represent F, CF, CHF, CHF, CHF, CHF, CHF, CF, CF, CHF, CHF, CF, CHF, CHF, CF, CFOCF, CFOCF, CHFOCFor CFOCF; or Formula (I), where Rf represents F, CF, CHF, CHF, CHF, CHF, CHF, CF, CF, CHF, CHF, CF, CHF, CHF, CF, CFOCF, CFOCF, CHFOCFor CFOCF. Also, said salt mixtures dissolved in solvents, suitable for being used as electrolytes for Li-ion batteries. 2. The mixture as claimed in claim 1 , comprising at least one lithium salt of formula (I) where Rf represents F claim 1 , CF claim 1 , CHF claim 1 , CHF claim 1 , CHF claim 1 , CHF claim 1 , CHF claim 1 , CF claim 1 , CF claim 1 , CHF claim 1 , CHF claim 1 , CF claim 1 , CHF claim 1 , CHF claim 1 , CF claim 1 , CFOCF claim 1 , CFOCF claim 1 , CHFOCFor CFOCFand at least one lithium salt chosen from the X group or the R—SO—NLi—SO—Rgroup where Rand Rindependently represent F claim 1 , CF claim 1 , CHF claim 1 , CHF claim 1 , CHF claim 1 , CHF claim 1 , CHF claim 1 , CF claim 1 , CF claim 1 , CHF claim 1 , CHF claim 1 , CF claim 1 , CHF claim 1 , CHF claim 1 , CF claim 1 , CFOCF claim 1 , CFOCF claim 1 , CHFOCFor CFOCF.3. The mixture as claimed in claim 2 , comprising at least one lithium salt of formula (I) where Rf represents F claim 2 , CF claim 2 , CHF claim 2 , CHF claim 2 , CHF claim 2 , CHF claim 2 , CHF claim 2 , CF claim 2 , CF claim 2 , CHF claim 2 , CHF claim 2 , CF claim 2 , CHF claim 2 , CHF claim 2 , CF claim 2 , CFOCF claim 2 , CFOCF claim 2 , CHFOCFor CFOCFand at least one lithium salt chosen from the X group.4. The mixture as claimed in claim 2 , comprising at least one lithium salt of formula (I) where Rf represents F claim 2 , CF claim 2 , CHF claim 2 , CHF claim 2 , CHF claim 2 , CHF claim 2 , CHF claim 2 , CF claim 2 , CF claim 2 , CHF claim 2 , CHF claim 2 , CF claim ...

ELECTRICITY STORAGE BATTERY

An electricity storage battery is described, including an anode electrolyte solution 32 that contains a zinc redox material and an amine represented by a general formula (1) below:

Electrolytes comprising metal amide and metal chlorides for multivalent battery

An electrolyte includes compounds of formula M 1 X n and M 2 Z m ; and a solvent wherein M 1 is Mg, Ca, Sr, Ba, Sc, Ti, Al, or Zn; M 2 is Mg, Ca, Sr, Ba, Sc, Ti, Al, or Zn; X is a group forming a covalent bond with M 1 ; Z is a halogen or pseudo-halogen; n is 1, 2, 3, 4, 5, or 6; and m is 1, 2, 3, 4, 5, or 6.

Electrolyte additive for lithium battery, electrolyte including the additive, and lithium battery including the electrolyte

An electrolyte additive for a lithium battery, an electrolyte including the electrolyte additive, and a lithium battery including the electrolyte additive are disclosed. The electrolyte additive for a lithium battery includes a sulfonylmethylisocyanide-based compound. The electrolyte additive including the sulfonylmethylisocyanide-based compound may form a protective layer having improved high-temperature stability on positive and negative electrodes of a lithium battery, thereby improving the safety of the lithium battery.

Nonaqueous electrolyte secondary battery, method of manufacturing the same, and nonaqueous electrolytic solution

A method of manufacturing a nonaqueous electrolyte secondary battery includes the following steps of: constructing a battery assembly using a positive electrode, a negative electrode, and a nonaqueous electrolytic solution containing a compound represented by a specific formula; and forming a film on a surface of the positive electrode by charging the battery assembly such that the compound is decomposed. In an embodiment, during the construction of the battery assembly, a content of the compound is adjusted to be 0.1 mass % or more with respect to 100 mass % of a total amount of the nonaqueous electrolytic solution.

Non-aqueous electrolytic solution and non-aqueous electrolyte secondary battery using the same

An object of the present invention is to provide an excellent non-aqueous electrolytic solution which is improved in the low-temperature discharge resistance and the capacity maintaining ratio upon high-temperature storage, and a non-aqueous electrolyte secondary battery using the same. The present invention is directed to a non-aqueous electrolytic solution comprising an electrolyte and a non-aqueous solvent, wherein the non-aqueous electrolytic solution contains a compound represented by the following formula (1) and a compound represented by the following formula (2): wherein, in the formulae (1) and (2), Q and R 1 to R 6 represent predetermined groups.

NON-AQUEOUS ELECTROLYTE CONTAINING LIFSI SALT FOR FAST CHARGING/DISCHARGING OF LITHIUM-ION BATTERY

A lithium-ion battery comprising: (a) an anode; (b) a cathode; and (c) an electrolyte composition comprising lithium bis(fluorosulfonyl)imide (LiFSI) dissolved in the following solvent system containing at least the following solvent components: (i) ethylene carbonate and/or propylene carbonate in an amount of 5-70 wt % by weight of the solvent system; and (ii) at least one additional solvent selected from acyclic carbonate, acyclic or cyclic ester, and acyclic or cyclic ether solvents having a molecular weight of no more than 110 g/mol, wherein said at least one additional solvent is in an amount of 30-70 wt % by weight of the solvent system; wherein the wt % amounts for solvent components (i) and (ii), or any additional solvent components (if present) sum to 100 wt %, and wherein LiFSI is present in the solvent system in a concentration of 1.2 M to about 2 M. 1. A lithium-ion battery comprising:(a) an anode;(b) a cathode; and(c) an electrolyte composition comprising lithium bis(fluorosulfonyl)imide (LiFSI) dissolved in a solvent system comprising the following solvent components: (i) ethylene carbonate and/or propylene carbonate in an amount of 5-70 wt % by weight of the solvent system; (ii) at least one additional solvent selected from acyclic carbonate, acyclic or cyclic ester, and acyclic or cyclic ether solvents having a molecular weight of no more than 110 g/mol, wherein said at least one additional solvent is in an amount of 30-70 wt % by weight of the solvent system; and optionally, (iii) a higher molecular weight solvent selected from acyclic carbonate, acyclic or cyclic ester, and acyclic or cyclic ether solvents having a molecular weight above 110 g/mol, wherein said higher molecular weight solvent is in an amount up to 30 wt % by weight of the solvent system; wherein the wt % amounts for solvent components (i), (ii), and (iii) sum to 100 wt %, and wherein said LiFSI is present in the solvent system in a concentration of 1.2 M to about 2 M.2. The lithium ...

FLOW BATTERY THAT INCLUDES REDOX MEDIATOR

A flow battery includes: a liquid including a redox mediator; an electrode; a second electrode; an active material; and a circulator that circulates the liquid between the electrode and the active material. The redox mediator includes a tetrathiafulvalene derivative. 2. The flow battery according to claim 1 , wherein{'sub': 1', '4, 'at least one of Rto Rincludes at least one atom selected from the group consisting of boron, nitrogen, oxygen, fluorine, silicon, phosphorus, sulfur, chlorine, bromine, and iodine.'}4. The flow battery according to claim 1 , wherein{'sub': 2', '5', '3', 'x', 'y', 'z, 'the active material includes at least one selected from the group consisting of a lithium vanadium oxide, VO, FeF, and LiMO, where x, y, and z are each independently 0 or more, and M denotes at least one selected from the group consisting of Ni, Mn, Co, and V.'}5. The flow battery according to claim 2 , wherein{'sub': 2', '5', '3', 'x', 'y', 'z, 'the active material includes at least one selected from the group consisting of a lithium vanadium oxide, VO, FeF, and LiMO, where x, y, and z are each independently 0 or more, and M denotes at least one selected from the group consisting of Ni, Mn, Co, and V.'}6. The flow battery according to claim 3 , wherein{'sub': 2', '5', '3', 'x', 'y', 'z, 'the active material includes at least one selected from the group consisting of a lithium vanadium oxide, VO, FeF, and LiMO, where x, y, and z are each independently 0 or more, and M denotes at least one selected from the group consisting of Ni, Mn, Co, and V.'}7. The flow battery according to claim 1 , wherein{'sub': 2', '2', '5', '3, 'the active material includes at least one selected from the group consisting of LiMnO, a lithium vanadium oxide, VO, and FeF.'}8. The flow battery according to claim 2 , wherein{'sub': 2', '2', '5', '3, 'the active material includes at least one selected from the group consisting of LiMnO, a lithium vanadium oxide, VO, and FeF.'}9. The flow battery ...

Modified Triazine Functional Compounds

The present invention is directed towards phosphorous containing flame retarding materials including a triazine moiety and an electrolyte for electrochemical cells containing the same.

NON-AQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same, and particularly, to a non-aqueous electrolyte solution for a lithium secondary battery which includes an ionizable lithium salt, an organic solvent, and an additive, wherein the additive is a mixed additive which includes lithium difluorophosphate, tertiary alkylbenzene, and tetra-vinyl silane in a weight ratio of 1:1 to 4:0.05 to 0.5, and the additive is included in an amount of 2.5 wt % to 4.5 wt % based on a total weight of the non-aqueous electrolyte solution for a lithium secondary battery, and a lithium secondary battery including the same. 2. The non-aqueous electrolyte solution for a lithium secondary battery of claim 1 , wherein the organic solvent is a mixed solvent which includes at least two of ethylene carbonate claim 1 , dimethyl carbonate claim 1 , diethyl carbonate claim 1 , propylene carbonate claim 1 , and ethylmethyl carbonate.3. The non-aqueous electrolyte solution for a lithium secondary battery of claim 1 , wherein the weight ratio of the lithium difluorophosphate:the tertiary alkylbenzene represented by Formula 1:the tetra-vinyl silane is in a range of 1:1.5 to 4:0.1 to 0.2.4. The non-aqueous electrolyte solution for a lithium secondary battery of claim 1 , wherein a concentration of the lithium difluorophosphate in the non-aqueous electrolyte solution for a lithium secondary battery is in a range of 1×10mol/kg to 0.5 mol/kg.5. The non-aqueous electrolyte solution for a lithium secondary battery of claim 1 , wherein the additive is included in an amount of 2.5 wt % to 4.3 wt % based on the total weight of the non-aqueous electrolyte solution for a lithium secondary battery.6. The non-aqueous electrolyte solution for a lithium secondary battery of claim 1 , further comprising at least one additive for forming a solid electrolyte interface (SEI) film which is selected from the group consisting ...

LITHIUM BATTERY

A lithium battery includes a cathode including a cathode active material, an anode including an anode active material, and an organic electrolytic solution between the cathode and the anode. The organic electrolytic solution includes a first lithium salt, a second lithium salt different from the first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: 2. The lithium battery as claimed in claim 1 , wherein at least one of A claim 1 , A claim 1 , A claim 1 , and Ais an unsubstituted or substituted C-Calkylene group claim 1 , wherein a substituent of the substituted C-Calkylene group is at least one selected from a halogen-substituted or unsubstituted C-Calkyl group claim 1 , a halogen-substituted or unsubstituted C-Calkenyl group claim 1 , a halogen-substituted or unsubstituted C-Calkynyl group claim 1 , a halogen-substituted or unsubstituted C-Ccycloalkenyl group claim 1 , a halogen-substituted or unsubstituted C-Cheterocyclic group claim 1 , a halogen-substituted or unsubstituted C-Caryl group claim 1 , a halogen-substituted or unsubstituted C-Cheteroaryl group claim 1 , or a polar functional group having at least one heteroatom.3. The lithium battery as claimed in claim 1 , wherein at least one of A claim 1 , A claim 1 , A claim 1 , and Ais an unsubstituted or substituted C-Calkylene group claim 1 , wherein a substituent of the substituted C-Calkylene group is a halogen claim 1 , a methyl group claim 1 , an ethyl group claim 1 , a propyl group claim 1 , an isopropyl group claim 1 , a butyl group claim 1 , a tert-butyl group claim 1 , a trifluoromethyl group claim 1 , a tetrafluoroethyl group claim 1 , a phenyl group claim 1 , a naphthyl group claim 1 , a tetrafluorophenyl group claim 1 , a pyrrolyl group claim 1 , or a pyridinyl group.6. The lithium battery as claimed in claim 5 , wherein each of Eand Eis independently hydrogen claim 5 , a halogen claim 5 , a halogen-substituted or unsubstituted C-Calkyl group ...

LITHIUM BATTERY

A lithium battery includes a cathode including a cathode active material, an anode including an anode active material, and an organic electrolytic solution between the cathode and the anode, wherein the organic electrolytic solution includes a first lithium salt, a second lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: 2. The lithium battery as claimed in claim 1 , wherein at least one of A claim 1 , A claim 1 , A claim 1 , and Ais an unsubstituted or substituted C-Calkylene group claim 1 , wherein a substituent of the substituted C-Calkylene group is at least one selected from a halogen-substituted or unsubstituted C-Calkyl group claim 1 , a halogen-substituted or unsubstituted C-Calkenyl group claim 1 , a halogen-substituted or unsubstituted C-Calkynyl group claim 1 , a halogen-substituted or unsubstituted C-Ccycloalkenyl group claim 1 , a halogen-substituted or unsubstituted C-Cheterocyclic group claim 1 , a halogen-substituted or unsubstituted C-Caryl group claim 1 , a halogen-substituted or unsubstituted C-Cheteroaryl group claim 1 , or a polar functional group having at least one heteroatom.3. The lithium battery as claimed in claim 1 , wherein at least one of A claim 1 , A claim 1 , A claim 1 , and Ais an unsubstituted or substituted C-Calkylene group claim 1 , wherein a substituent of the substituted C-Calkylene group is a halogen claim 1 , a methyl group claim 1 , an ethyl group claim 1 , a propyl group claim 1 , an isopropyl group claim 1 , a butyl group claim 1 , a tert-butyl group claim 1 , a trifluoromethyl group claim 1 , a tetrafluoroethyl group claim 1 , a phenyl group claim 1 , a naphthyl group claim 1 , a tetrafluorophenyl group claim 1 , a pyrrolyl group claim 1 , or a pyridinyl group.6. The lithium battery as claimed in claim 5 , wherein each of Eand Eis independently hydrogen claim 5 , a halogen claim 5 , a halogen-substituted or unsubstituted C-Calkyl group claim 5 , a halogen-substituted ...

METHODS TO STABILIZE LITHIUM TITANATE OXIDE (LTO) BY ELECTROLYTE PRETREATMENT

An electrolyte can be pretreated by contacting with an oxide species (e.g., SiO, SiO, where 1≤x≤2, TiO). The in electrolyte comprises LiPFand a carbonate solvent. A reaction occurs to form a pretreated electrolyte comprising a compound selected from the group consisting of: MPOF, MPOFCH, and combinations thereof, where when P in the formula is normalized to 1 so that x′ is equal to about 1, 0 Подробнее

NON-AQUEOUS ELECTROLYTE FOR LITHIUM ION BATTERY AND LITHIUM ION BATTERY

The application provides a non-aqueous electrolyte for lithium ion battery. The non-aqueous electrolyte for lithium ion battery comprises a compound A represented by formula I and a compound B represented by formula II, 2. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein in formula II claim 1 , the C1-C5 group is selected from a hydrocarbon group claim 1 , halogenated hydrocarbon group claim 1 , oxygen-containing hydrocarbon group claim 1 , silicon-containing hydrocarbon group claim 1 , and cyano-substituted hydrocarbon group.3. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein in formula II claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , Rand Rare each independently selected from a hydrogen atom claim 1 , fluorine atom claim 1 , methyl group claim 1 , ethyl group claim 1 , methoxyl group claim 1 , ethyoxyl group claim 1 , triethylsiloxy group claim 1 , cyano group or trifluoromethyl group.5. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein the percentage mass content of the compound B is 0.1-5% based on the total mass of the non-aqueous electrolyte for lithium ion battery being 100%.6. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein in the compound A claim 1 , C1-C5 alkyl is selected from one of methyl claim 1 , ethyl claim 1 , propyl claim 1 , isopropyl and butyl; The C1-C5 haloalkyl is selected from one of monofluoromethyl claim 1 , difluoromethyl claim 1 , trifluoromethyl claim 1 , 2-fluoroethyl claim 1 , 2 claim 1 ,2-difluoroethyl claim 1 , 2 claim 1 ,2 claim 1 ,2-trifluoroethyl claim 1 , 3 claim 1 ,3-difluoropropyl claim 1 , 3 claim 1 ,3 claim 1 ,3-trifluoropropyl and hexafluoroisopropyl; The C2-C5 unsaturated hydrocarbon group is selected from one of vinyl claim 1 , allyl claim 1 , 3-butenyl claim 1 , isobutylenyl claim 1 , 4-pentenyl claim 1 , ethynyl claim 1 , propargyl claim 1 , 3-butynyl claim 1 , and 1-methyl-2-propynyl.7. The non-aqueous electrolyte ...

NON-AQUEOUS ELECTROLYTE FOR LITHIUM ION BATTERY AND LITHIUM ION BATTERY

In order to solve the problem of insufficient cycle performance and high-temperature storage performance of the existing non-aqueous electrolyte for lithium ion battery containing maleic anhydride copolymer, the application provides a non-aqueous electrolyte for lithium ion battery. The non-aqueous electrolyte for lithium ion battery comprises a compound A represented by formula I and a compound B represented by formula II, 3. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein the percentage mass content of the compound B is 0.1-5% based on the total mass of the non-aqueous electrolyte for lithium ion battery being 100%.5. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein the percentage mass content of the compound A is 0.1-5% based on the total mass of the non-aqueous electrolyte for lithium ion battery being 100%.6. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein the lithium ion non-aqueous electrolyte further comprises at least one of unsaturated cyclic carbonate compounds claim 1 , fluorine-substituted cyclic carbonate compounds claim 1 , and sultone compounds.7. The non-aqueous electrolyte for lithium ion battery of claim 6 , wherein the unsaturated cyclic carbonate compound includes at least one of vinylene carbonate and vinyl ethylene carbonate; The fluorine-substituted cyclic carbonate compound includes fluoroethylene carbonate; The sultone compound is selected from at least one of 1 claim 6 ,3-propane sultone claim 6 , 1 claim 6 ,4-butane sultone claim 6 , and 1 claim 6 ,3-propene sultone.8. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein the non-aqueous electrolyte for lithium ion battery comprises a lithium salt selected from one or more of LiPF claim 1 , LiBF claim 1 , LiBOB claim 1 , LiDFOB claim 1 , LiN(SOCF) claim 1 , LiN(SOCF) claim 1 , LiC(SOCF)and LiN(SOF).9. A lithium ion battery claim 1 , comprising a positive electrode claim 1 , a negative electrode ...

LITHIUM-ION BATTERY AND ITS ELECTROLYTE

The present invention discloses a Lithium ion battery and an electrolyte thereof, the electrolyte comprising an organic solvent, a lithium salt and an additive. The additive comprises additive (A) cyclic fluoro carbonate, additive (B) cyclic phosphazene (B), and additive (C) cyclic sulfate. The additive B cyclic phosphazene has the following general structural formula: 2. The Lithium ion battery electrolyte according to claim 1 , wherein in the general structural formula I of the cyclic phosphazene claim 1 , at least one of R claim 1 , Rand Ris selected from one of a halogen atom claim 1 , an alkyloxy group having 1 to 20 carbon atoms claim 1 , an alkenyloxy group having 2 to 20 carbon atoms claim 1 , an alkynyloxy group having 2 to 20 carbon atoms claim 1 , an aryloxy group having 6 to 20 carbon atoms claim 1 , a haloalkoxy group having 1 to 20 carbon atoms claim 1 , a haloalkenyloxy group having 2 to 20 carbon atoms claim 1 , a haloalkynyloxy group having 2 to 20 carbon atoms claim 1 , and a haloaryloxy group having 6 to 20 carbon atoms.4. The Lithium ion battery electrolyte according to claim 3 , wherein the cyclic phosphazene is present in an amount of 0.1 to 10% claim 3 , based on the total weight of the electrolyte.6. The Lithium ion battery electrolyte according to claim 5 , wherein the cyclic fluoro carbonate is present in an amount of 0.1 to 40% claim 5 , based on the total weight of the electrolyte.8. The Lithium ion battery electrolyte according to claim 7 , wherein the cyclic sulfate is present in an amount of 0.1 to 8% claim 7 , based on the total weight of the electrolyte.9. The Lithium ion battery electrolyte according to claim 1 , wherein the additive further comprises one or both of lithium propene sulfite (PS) and lithium difluorophosphate (LiPOF).10. The Lithium ion battery electrolyte according to claim 9 , wherein the propene sulfite (PS) is present in an amount of 0.1 to 5% based on the total weight of the electrolyte.11. The Lithium ion ...

Non-Aqueous Electrolyte for Lithium Ion Battery and Lithium Ion Battery

In order to solve the problem of poor cycle performance (especially high temperature cycle performance) of the existing lithium ion battery electrolyte containing anhydride or anhydride derivatives, the disclosure provides a non-aqueous electrolyte for lithium ion battery. The non-aqueous electrolyte for lithium ion battery comprises a compound A represented by formula I and a compound B represented by formula II, 2. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein in formula II claim 1 , the C1-C5 group is selected from a C1-C5 hydrocarbon group claim 1 , halogenated hydrocarbon group claim 1 , oxygen-containing hydrocarbon group claim 1 , silicon-containing hydrocarbon group claim 1 , and cyano-substituted hydrocarbon group.3. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein in formula II claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , Rand Rare each independently selected from one of hydrogen atom claim 1 , fluorine atom claim 1 , methyl group claim 1 , ethyl group claim 1 , methoxyl group claim 1 , ethyoxyl group claim 1 , triethylsiloxy group claim 1 , cyano group or trifluoromethyl group.5. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein the percentage mass content of the compound B is 0.1-5% based on the total mass of the non-aqueous electrolyte for lithium ion battery being 100%.6. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein the compound A is selected from one or more of succinic anhydride claim 1 , maleic anhydride claim 1 , and 2-methylmaleic anhydride.7. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein the percentage mass content of the compound A is 0.1-3% based on the total mass of the non-aqueous electrolyte for lithium ion battery being 100%.8. The non-aqueous electrolyte for lithium ion battery of claim 1 , wherein the lithium ion non-aqueous electrolyte further comprises at least one of unsaturated cyclic carbonate ...

Redox Flow Battery Electrolytes

The present invention relates to novel combinations of redox active compounds for use as redox flow battery electrolytes. The invention further provides kits comprising these combinations, redox flow batteries, and method using the combinations, kits and redox flow batteries of the invention. 2. A combination according to claim 1 ,wherein the second redox active composition comprises an inorganic or an organic redox active compound and wherein the first and the second composition are preferably non-identical and liquid or semi-liquid.4. The combination according to any one of to claim 1 , wherein the first and second redox active compound are characterized by different General Formulas (1′)-(3′).5. The combination according to any one of to claim 1 , wherein said first and second redox active compound are water-soluble.6. The combination according to any one of to claim 1 , wherein said first and second redox active composition are liquid.7. The combination according to any one of the preceding claims claim 1 , wherein the first and second redox active composition are provided in separate compartments.8. The combination according to claim 7 , wherein the first and second redox active composition are each provided in a half-cell of a redox flow battery.9. The combination according to any one of the preceding claims claim 7 , wherein the first redox active composition comprises at least one first redox active compound as characterized by any of General Formulas (1′) claim 7 , (2′) or (3′) claim 7 , preferably General Formulas (1′) or (2′) claim 7 , and most preferably General Formula (1 ′) claim 7 , or mixtures thereof;optionally including at least one reduction and/or oxidation product thereof as characterized by General Formula (1′)(a) or (b), (2′)(a) or (b), or (3′)(a) or (b); or mixtures thereof.10. The combination according to any one of the preceding claims claim 7 , wherein the second redox active composition comprises at least one second redox active compound ...

Process for producing non-flammable quasi-solid electrolyte and electrolyte-separator for lithium battery applications

A process for producing a separator-electrolyte layer for use in a lithium battery, comprising: (a) providing a porous separator; (b) providing a quasi-solid electrolyte containing a lithium salt dissolved in a first liquid solvent up to a first concentration no less than 3 M; and (c) coating or impregnating the separator with the electrolyte to obtain the separator-electrolyte layer with a final concentration ≧the first concentration so that the electrolyte exhibits a vapor pressure less than 0.01 kPa when measured at 20° C., a vapor pressure less than 60% of that of the first liquid solvent alone, a flash point at least 20 degrees Celsius higher than a flash point of the first liquid solvent alone, a flash point higher than 150° C., or no detectable flash point. A battery using such a separator-electrolyte is non-flammable and safe, has a long cycle life, high capacity, and high energy density. 1. A process for producing a separator-electrolyte layer for use in a lithium battery , said process comprising:(a) providing a porous thin-film separator, wherein said separator has a thickness less than 500 μm and has pores to allow for lithium ion migration;(b) providing a non-flammable quasi-solid electrolyte containing a lithium salt dissolved in a first liquid solvent up to a first concentration no less than 3 M (mole/L); and(c) coating or impregnating said porous thin-film separator with said quasi-solid electrolyte to obtain said separator-electrolyte layer with a final lithium salt concentration equal to or higher than said first concentration so that said electrolyte exhibits a vapor pressure less than 0.01 kPa when measured at 20° C., a vapor pressure less than 60% of the vapor pressure of said first liquid solvent alone, a flash point at least 20 degrees Celsius higher than a flash point of said first liquid solvent alone, a flash point higher than 150° C., or no detectable flash point.2. The process of claim 1 , wherein said final lithium salt concentration is ...

SOLID-STATE BATTERY HAVING A CAPACITOR-ASSISTED INTERLAYER

A solid-state battery cell having a capacitor interlayer is disclosed. The solid-state battery includes an anode, a cathode spaced from the anode, a solid-state electrolyte layer disposed between the anode and the cathode, and a capacitor assisted interlayer sandwiched between at least one of (i) the anode and solid-state electrolyte layer, and (ii) the cathode and the solid-state electrolyte layer. The capacitor assisted interlayer comprise at least one of a polymer-based material, an inorganic material, and a polymer-inorganic hybrid material; and a capacitor anode active material or a capacitor cathode active material. The polymer-based material includes at least one of a poly(ethylene glycol) methylether acrylate with AlOand LiTFSI, a polyethylene oxide (PEO) with LiTFSI, and a poly(vinylidene fluoride) copolymer with hexafluoropropylene (PVDF-HFP)-based gel electrolyte. The inorganic material includes a 70% LiS-29% PS-1% PO. The polymer-inorganic hybrid material includes a mixture of PEO, LiTFSI, and 75% LiS-24% PS-1% PO(LPOS). 1. A solid-state battery cell , comprising:an anode;a cathode spaced from the anode;a solid-state electrolyte layer disposed between the anode and the cathode; anda capacitor assisted interlayer sandwiched between at least one of (i) the anode and solid-state electrolyte layer and (ii) the cathode and the solid-state electrolyte layer.2. The solid-state battery cell of claim 1 , further comprising:a separator interlayer sandwiched between the cathode and the solid-state electrolyte layer;wherein the capacitor assisted interlayer is sandwiched between the anode and the solid-state electrolyte layer, and the capacitor assisted interlayer is in intimate contact with both the anode and the solid-state electrolyte layer.3. The solid-state battery cell of claim 1 , further comprising:a separator interlayer sandwiched between the anode and the solid-state electrolyte layer;wherein the capacitor assisted interlayer is sandwiched between the ...

ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME

In an aspect, a lithium secondary battery including a compound as disclosed and described herein; and an electrolyte for a lithium secondary battery including a non-aqueous organic solvent and a lithium salt is provided. 2. The electrolyte of claim 1 , wherein in Formula 1 claim 1 , Rto Rare each independently a methyl group claim 1 , an ethyl group claim 1 , a propyl group claim 1 , a pentyl group claim 1 , or a hexyl group.4. The electrolyte of claim 1 , wherein the amount of the compound of Formula 1 is about 0.5 wt % to about 1 wt % based on total amount of the electrolyte.5. The electrolyte of claim 1 , wherein the non-aqueous organic solvent comprises a carbonate-based claim 1 , an ester-based claim 1 , an ether-based claim 1 , a ketone-based claim 1 , an alcohol-based claim 1 , or an aprotic solvent.6. The electrolyte of claim 1 , wherein the non-aqueous organic solvent is at least one selected from dimethyl carbonate (DMC) claim 1 , diethyl carbonate (DEC) claim 1 , dipropyl carbonate (DPC) claim 1 , methylpropyl carbonate (MPC) claim 1 , ethylpropyl carbonate (EPC) claim 1 , methylethyl carbonate (MEC) claim 1 , ethylene carbonate (EC) claim 1 , propylene carbonate (PC) claim 1 , butylene carbonate (BC) claim 1 , acetonitrile claim 1 , succinonitrile claim 1 , dimethyl sulfoxide claim 1 , dimethyl formamide claim 1 , dimethyl acetamide claim 1 , gamma butyrolactone claim 1 , and tetrahydrofuran.7. The electrolyte of claim 1 , wherein the lithium salt is LiPF claim 1 , LiBF claim 1 , LiSbF claim 1 , LiAsF claim 1 , LiC4FSO claim 1 , LiClO claim 1 , LiAlO claim 1 , LiAlCl claim 1 , LiN(CFSO)(CFSO) claim 1 , LiCl claim 1 , LiI claim 1 , LiB(CO)(lithium bis(oxalato)borate) claim 1 , or a combination thereof claim 1 , wherein x and y are natural numbers of 1 to 20 claim 1 , respectively.8. The electrolyte of claim 1 , wherein a concentration of the lithium salt is about 0.1 M to about 2.0 M.9. The electrolyte of claim 1 , wherein the non-aqueous solvent ...

NONAQUEOUS ELECTROLYTIC SOLUTION AND NONAQUEOUS-ELECTROLYTE BATTERY EMPLOYING THE SAME

The present invention is to provide: a nonaqueous-electrolyte battery excellent in terms of safety during overcharge and high-temperature storability; and a nonaqueous electrolytic solution which gives the battery. The present invention relates to a nonaqueous electrolytic solution comprising an electrolyte and a nonaqueous solvent, wherein the nonaqueous electrolytic solution comprises at least one of specific compounds. 2. The nonaqueous electrolytic solution according to claim 1 , wherein Ar in general formula (I) is a phenyl group which may have a substituent.3. The nonaqueous electrolytic solution according to claim 1 , wherein Rand Rin general formula (I) are each a hydrogen atom.4. The nonaqueous electrolytic solution according to claim 1 , wherein the total content of the compound represented by general formula (I) and the compound represented by general formula (II) in the nonaqueous electrolytic solution is 0.001-10% by mass.5. The nonaqueous electrolytic solution according to claim 1 , which further comprises at least one compound selected from the group consisting of cyclic carbonate compounds having a carbon-carbon unsaturated bond claim 1 , cyclic carbonate compounds having a fluorine atom claim 1 , monofluorophosphoric acid salts claim 1 , and difluorophosphoric acid salts.6. A nonaqueous-electrolyte battery comprising: a negative electrode and a positive electrode which are capable of occluding and releasing lithium ions; and a nonaqueous electrolytic solution claim 1 , wherein the nonaqueous electrolytic solution is the nonaqueous electrolytic solution according to . The present invention relates to a nonaqueous electrolytic solution and a nonaqueous-electrolyte battery employing the electrolytic solution.Nonaqueous-electrolyte batteries including lithium secondary batteries are being put to practical use in extensive applications ranging from power sources for so-called public use, such as portable telephones and notebook type personal computers, ...

Electrolyte additives for lithium ion batteries

Improved nonaqueous electrolytes have been developed for lithium ion batteries. The electrolytes comprises a lithium salt, a nonaqueous carbonate solvent, and an additive mixture comprising at least one group A compound, at least one group B compound, and at least one group C compound wherein the group A compound is selected from the group consisting of VC and PES, the group B compound is selected from the group consisting of MMDS, DTD, TMS, ES, and PS, and the group C compound is selected from the group consisting of TTSP and TTSPi. Certain ternary or quaternary additive mixtures can: reduce parasitic reactions at the positive electrode above 4.1 V compared to use of VC alone; increase the thermal stability of a charged graphite electrode at elevated temperature; improve coulombic efficiency; and also reduce impedance of the batteries. These factors all suggest longer lived, safer, higher power lithium batteries with better tolerance to high voltages which will improve energy density.

METHOD FOR PRODUCING SECONDARY BATTERY AND SECONDARY BATTERY

The present invention provides a method for producing a secondary battery, capable of forming a uniform membrane on a wound body. Provided is a method including a step for reducing an internal pressure of an exterior, a step for pouring an electrolyte solution (E) into the exterior, a step for sealing the exterior, a step for impregnating the electrolyte solution (E) into the wound body from both axial end portions thereof, a step for performing initial charging of a battery, and a step for performing high-temperature aging of the battery. The additive LPFO is added into the electrolyte solution (E) in an amount such that the internal pressure of the exterior in the step for performing the high-temperature aging becomes equal to or higher than a saturation vapor pressure of the electrolyte solution (E) in the high-temperature aging. 1. A method for producing a secondary battery , comprising:a step for reducing an internal pressure of a battery case;a step for pouring an electrolyte solution, into which an additive is added, into the battery case whose internal pressure is reduced;a step for sealing the battery case into which the electrolyte solution is poured;a step for waiting to reduce a difference between a pressure of an external space of a wound body, which is a space between the sealed battery case and the wound body, and a pressure of an internal space of the wound body, and for impregnating the electrolyte solution into the wound body from both axial end portions of the wound body to reduce a volume of the internal space of the wound body;a step for performing initial charging of the secondary battery in which the wound body is impregnated with the electrolyte solution; anda step for performing high-temperature aging of the initially charged secondary battery while maintaining the seal of the battery case,wherein the additive is added into the electrolyte solution in an amount such that, by a gas produced through decomposition reaction of the additive, the ...

ELECTROLYTE SOLUTION ADDITIVE FOR LITHIUM SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY INCLUDING THE ADDITIVE

Provided is a non-aqueous electrolyte solution including a non-aqueous organic solvent, an imide-based lithium salt, and at least one additive selected from the group consisting of lithium difluoro bis(oxalato)phosphate (LiDFOP), (trimethylsilyl)propyl phosphate (TMSPa), 1,3-propene sultone (PRS), and ethylene sulfate (ESa), as an electrolyte solution additive. 1. A non-aqueous electrolyte solution comprising:a non-aqueous organic solvent;an imide-based lithium salt; andat least one additive selected from the group consisting of lithium difluoro bis(oxalato)phosphate (LiDFOP), (trimethylsilyl)propyl phosphate (TMSPa), 1,3-propene sultone (PRS), and ethylene sulfate (ESa), as an electrolyte solution additive.2. The non-aqueous electrolyte solution of claim 1 , wherein the imide-based lithium salt comprises at least one selected from the group consisting of LiN(CFSO) claim 1 , LiN(CFSO) claim 1 , Li(CFSO)(CFSO)N claim 1 , and Li(SOF)N.3. The non-aqueous electrolyte solution of claim 1 , wherein the imide-based lithium salt is Li(SOF)N (lithium bis(fluorosulfonyl)imide claim 1 , LiFSI).4. The non-aqueous electrolyte solution of claim 1 , wherein the non-aqueous organic solvent comprises at least one selected from the group consisting of dimethyl carbonate (DMC) claim 1 , diethyl carbonate (DEC) claim 1 , dipropyl carbonate (DPC) claim 1 , methylpropyl carbonate (MPC) claim 1 , ethylpropyl carbonate (EPC) claim 1 , ethylmethyl carbonate (EMC) claim 1 , ethylene carbonate (EC) claim 1 , propylene carbonate (PC) claim 1 , and butylene carbonate (BC).5. The non-aqueous electrolyte solution of claim 1 , wherein the non-aqueous organic solvent comprises ethylene carbonate (EC) claim 1 , propylene carbonate (PC) claim 1 , ethylmethyl carbonate (EMC) claim 1 , and dimethyl carbonate (DMC).6. The non-aqueous electrolyte solution of claim 5 , wherein the non-aqueous organic solvent comprises ethylene carbonate (EC)/propylene carbonate (PC)/ethylmethyl carbonate (EMC)/dimethyl ...

NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Provided are a non-aqueous electrolyte including a non-aqueous organic solvent, a lithium salt, and a borate-based compound, and a lithium secondary battery using the same. According to the present invention, a lithium secondary battery having improved cycle characteristics and high-temperature storage stability may be prepared by including a non-aqueous electrolyte which includes at least one borate-based compound as an additive. 5. The non-aqueous electrolyte of claim 1 , wherein the borate-based compound is included in an amount of 0.1 wt % to 20 wt % based on a total weight of the non-aqueous electrolyte.6. The non-aqueous electrolyte of claim 3 , wherein the non-aqueous electrolyte comprises the borate-based compound of Chemical Formula 1 claim 3 , and at least one borate-based compound selected from the group consisting of Chemical Formula 2 and Chemical Formula 3 in a weight ratio of 1:0.2 to 1:2.0.7. The non-aqueous electrolyte of claim 3 , wherein the non-aqueous electrolyte comprises the borate-based compound of Chemical Formula 1 claim 3 , the borate-based compound of Chemical Formula 2 claim 3 , and the borate-based compound of Chemical Formula 3 in a weight ratio of 1:0.2:0.2 to 1:1.0:1.0.8. The non-aqueous electrolyte of claim 1 , wherein the non-aqueous organic solvent comprises one selected from the group consisting of a cyclic carbonate solvent claim 1 , a linear carbonate solvent claim 1 , an ester solvent claim 1 , and a ketone solvent claim 1 , or a mixed solution of two or more thereof.9. The non-aqueous electrolyte of claim 8 , wherein the cyclic carbonate solvent comprises one selected from the group consisting of ethylene carbonate claim 8 , propylene carbonate claim 8 , and butylene carbonate claim 8 , or a mixed solution of two or more thereof.10. The non-aqueous electrolyte of claim 8 , wherein the linear carbonate solvent comprises one selected from the group consisting of dimethyl carbonate claim 8 , diethyl carbonate claim 8 , dipropyl ...

ELECTROLYTE FOR MAGNESIUM RECHARGEABLE BATTERY AND PREPARATION METHOD THEREOF

Disclosed is an electrolyte solution for a magnesium rechargeable battery with a high ionic conductivity and a wide electrochemical window compared to the conventional electrolyte solution. The electrolyte solution is prepared by dissolving magnesium metal into the ethereal solution using combinations of metal chloride catalysts. The electrolyte solution can be applied to fabricate magnesium rechargeable batteries and magnesium hybrid batteries with a markedly increased reversible capacity, rate capability, and cycle life compared to those batteries employing the conventional electrolyte solution. Also disclosed is a method for preparing the electrolyte. 1. An electrolyte solution for a magnesium rechargeable battery made from the combination of metal chlorides , magnesium metal and an organic solvent.2. The electrolyte solution according to claim 1 , wherein the electrolyte solution is obtained by removing a solid fraction from a solution in which metal chlorides claim 1 , the magnesium metal claim 1 , and the magnesium ions are in equilibrium claim 1 , and collecting the remaining liquid fraction.3. The electrolyte solution according to claim 1 , wherein the metal chlorides are selected from AlClR(where n is an integer from 0 to 3 and R is selected from alkyl claim 1 , aryl claim 1 , heteroaryl claim 1 , and alkenyl groups) claim 1 , BClR(where n and R are as defined above) claim 1 , CrCl claim 1 , FeCl claim 1 , MnCl claim 1 , FeCl claim 1 , CoCl claim 1 , NiCl claim 1 , CuCl claim 1 , ZnCl claim 1 , TiCl claim 1 , ZrCl claim 1 , VCl claim 1 , NbCl claim 1 , RhCl claim 1 , and mixtures thereof.4. The electrolyte solution according to claim 1 , wherein the organic solvent is selected from tetrahydrofuran (THF) claim 1 , glyme claim 1 , diglyme claim 1 , triglyme claim 1 , tetraglyme claim 1 , dioxane claim 1 , anisole claim 1 , crown ethers claim 1 , polyethylene glycol claim 1 , acetonitrile claim 1 , propylene carbonate claim 1 , and mixtures thereof.5. The ...

Lithium ion secondary battery

A lithium ion secondary battery comprising: a positive electrode comprising a positive electrode active material; a negative electrode comprised mainly of a material capable of storing and releasing lithium ions; and an electrolytic liquid, the positive electrode active material being a lithium-iron-manganese complex oxide having a layered rock salt structure and represented by a chemical formula: Li x Fe s M 1 (z-s) M 2 y O 2-δ  wherein 1.05≦x≦1.32, 0.06≦s≦0.50, 0.06≦z≦0.50, 0.33≦y≦0.63, and 0≦δ≦0.80; M 1 represents a metal selected from the group consisting of Co, Ni, Mn and a mixture thereof; and M 2 represents a metal selected from the group consisting of Mn, Ti, Zr and a mixture thereof, the electrolytic liquid comprising 1,1,2,3,3,3-hexafluoropropyl difluoromethyl ether represented by the following formula (1):

LITHIUM SECONDARY BATTERY

The present invention relates to a lithium secondary battery including a cathode, an anode, a separator disposed between the cathode and the anode, and a non-aqueous electrolyte. An ionomer is included in at least one element selected from the group consisting of the cathode, the anode, the separator, and the non-aqueous electrolyte. 2. The lithium secondary battery of claim 1 , wherein a weight average molecular weight of the ionomer represented by the above Formula 1 is from 240 to 200 claim 1 ,000.3. The lithium secondary battery of claim 1 , wherein the ionomer represented by the above Formula 1 plays the role of a lithium ion source.4. The lithium secondary battery of claim 1 , wherein the cathode comprises the ionomer represented by the above Formula 1 in a composition of the cathode claim 1 , a coating component of a cathode active material claim 1 , or a coating component of the cathode.5. The lithium secondary battery of claim 4 , wherein an amount of the ionomer represented by the above Formula 1 is from 0.01 to 20 wt % based on a total amount of a mixture of the cathode.6. The lithium secondary battery of claim 1 , wherein the anode comprises the ionomer represented by the above Formula 1 in a composition of the anode claim 1 , a coating component of an anode active material claim 1 , or a coating component of the anode.7. The lithium secondary battery of claim 6 , wherein an amount of the ionomer represented by the above Formula 1 is from 0.01 to 20 wt % based on a total amount of a mixture of the anode.8. The lithium secondary battery of claim 1 , wherein the separator comprises the ionomer represented by the above Formula 1 in a constituting component of the separator or a coating component of the separator.9. The lithium secondary battery of claim 1 , wherein the separator is a freestanding separator of a membrane film type formed by using the ionomer represented by the above Formula 1.10. The lithium secondary battery of claim 1 , wherein the ...

Lithium-air battery with cathode separated from free lithium ion

A lithium-air electrochemical cell is provided. The battery comprises: an anode compartment; a cathode compartment; and a lithium ion conductive membrane separating the anode compartment from the cathode compartment. The anode compartment comprises an anode having lithium or a lithium alloy as active metal and a lithium ion electrolyte, while the cathode compartment comprises an air electrode and an ionic liquid capable of supporting the reduction of oxygen. A lithium ion concentration in the cathode compartment is such that the lithium ion concentration is greatest at the lithium ion selective membrane and lowest at the cathode.

Nonaqueous electrolyte solution for secondary batteries and secondary battery provided with same

A nonaqueous electrolytic solution for a secondary battery exhibits excellent cycle characteristics even in high-temperature environments. The solution INCLUDES at least one of boron complex salts, boric acid esters, acid anhydrides, cyclic carbonates having an unsaturated bond, cyclic carbonates having a halogen atom, cyclic sulfonic acid esters, and amines having an acetoacetyl group. A secondary battery having a positive electrode and a negative electrode makes use of this electrolytic solution.

NON-AQUEOUS ELECTROLYTE, AND NON-AQUEOUS ELECTROLYTE SECONDARY CELL

A nonaqueous electrolyte having a lithium salt dissolved in an organic solvent and a nonaqueous secondary battery using the same are disclosed. The nonaqueous electrolyte is characterized by containing (A) at least one compound represented by general formula (1) (wherein symbols are as defined in the description) and (B) at least one compound having two or more groups selected from a vinyl group, an allyl group, and a propargyl group per molecule. Component (B) is preferably a compound having an ethylenically and acetylenically unsaturated bond equivalent of 150 or smaller. 13-. (canceled)5. The nonaqueous electrolyte according to claim 4 , wherein the compound as component (B) has an ethylenically and acetylenically unsaturated bond equivalent of 150 or smaller.6. A nonaqueous secondary battery comprising the nonaqueous electrolyte according to .7. A nonaqueous secondary battery comprising the nonaqueous electrolyte according to . This invention relates to a nonaqueous secondary battery, more particularly a nonaqueous secondary battery using a nonaqueous electrolyte containing specific compounds.With the recent spread of portable electronic equipment such as notebook computers, video camcorders, and personal digital assistances, nonaqueous secondary batteries having high voltage and high energy density have come to be used widely as a power source. From the concern for the environmental protection, electric-powered vehicles and hybrid-powered vehicles utilizing electric powder as a part of motive power have already been put to practical use.Various additives for nonaqueous electrolyte have been proposed to provide nonaqueous secondary batteries with improved stability or electrical characteristics. Examples of such additives include 1,3-propane sultone (see Patent Literature 1 below), vinyl ethylene carbonate (see Patent Literature 2 below), vinylene carbonate (see Patent Literature 3 below), 1,3-propane sultone or butane sultone (see Patent Literature 4 below), ...

Nonaqueous electrolyte secondary battery

It is an object of the present invention to provide a nonaqueous electrolyte secondary battery improved not only in room-temperature output but also in low-temperature regeneration. A positive electrode plate contains a lithium transition metal oxide as a positive electrode active material. A mix of the positive electrode plate contains a tungsten oxide and a phosphate compound. A nonaqueous electrolyte contains a linear sulfonate. When both of the tungsten oxide and the phosphate compound are present near the positive electrode active material, the linear sulfonate forms a movable decomposition product by oxidative decomposition on a surface of a positive electrode without forming any coating and the decomposition product and the unreacted linear sulfonate are reductively decomposed on a surface of the negative electrode together and a low-resistance coating is thereby formed.

ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY HAVING SAME

Provided is an electrolyte solution for a lithium secondary battery and a lithium secondary battery having the same, the electrolyte solution further including an expressed solid salt which has an ammonium-based cation and a cyanide anion (CN). According to an embodiment of the present invention, an electrolyte solution including the solid salt may be provided, and thus the problem of decrease in stability of a negative electrode due to copper ions that are dissolved from a copper current collector in a high-temperature environment may be resolved. Therefore, a lithium secondary battery having excellent battery performance such as battery capacity, charging and discharging efficiency, and cycle characteristics even under a high-temperature condition may be provided. 2. The electrolyte solution of claim 1 , wherein the solid salt is at least one selected from the group consisting of ammonium cyanide claim 1 , tetramethylammonium cyanide claim 1 , tetraethylammonium cyanide claim 1 , tetrapropylammonium cyanide claim 1 , tetrabutylammonium cyanide claim 1 , tetrahexylammonium cyanide claim 1 , tetraheptylammonium cyanide claim 1 , ethyltrimethylammonium cyanide claim 1 , triethylmethylammonium cyanide claim 1 , butyltrimethylammonium cyanide claim 1 , diethyldimethylammonium cyanide claim 1 , and dibutyldimethylammonium cyanide.3. The electrolyte solution of claim 1 , wherein an amount of the solid salt is in a range of 0.01 part to 5.0 parts by weight based on 100 parts by weight as the total weight of the lithium salt and the organic solvent.4. The electrolyte solution of claim 1 , wherein an anion of the lithium salt is at least one selected from the group consisting of F claim 1 , Cl claim 1 , Br claim 1 , I claim 1 , NO claim 1 , N(CN) claim 1 , BF claim 1 , ClO claim 1 , PF claim 1 , (CF)PF claim 1 , (CF)PF claim 1 , (CF)PF claim 1 , (CF)PF claim 1 , (CF)P claim 1 , CFSO claim 1 , CFCFSO claim 1 , (CFSO)N claim 1 , (FSO)N claim 1 , CFCF(CF)CO claim 1 , (CFSO)CH ...

Aqueous and Hybrid Electrolytes With Wide Electrochemical Stability Windows

The present invention is directed to aqueous and hybrid aqueous electrolytes that comprise a lithium salt. The present invention is also directed to methods of making the electrolytes and methods of using the electrolytes in batteries and other electrochemical technologies.

ELECTROLYTE, LITHIUM-ION BATTERY, AND APPARATUS CONTAINING SUCH LITHIUM-ION BATTERY

This application provides an electrolyte, a lithium-ion battery, and an apparatus including such lithium-ion battery. The electrolyte includes a lithium salt, an organic solvent, and an additive. The additive includes a sulfur-containing compound and a silane compound, where the sulfur-containing compound is selected from one or more of sulfur hexafluoride, sulfuryl fluoride, sulfur dioxide, sulfur trioxide, carbon disulfide, dimethyl sulfide, and methyl ethyl sulfide. When a specific sulfur-containing compound is used together with a silane compound as an additive to the electrolyte, the sulfur-containing compound can not only participate in forming a SEI film on a surface of a negative electrode of the lithium-ion battery to effectively prevent direct contact between the electrolyte and a negative electrode active material, but also optimize a passivation film formed by the silane compound on a surface of the positive electrode to reduce film-forming impedance on the surface of the positive electrode. 1. An electrolyte , comprising:a lithium salt;an organic solvent; andan additive;whereinthe additive comprises a sulfur-containing compound and a silane compound; andthe sulfur-containing compound is selected from one or more of sulfur hexafluoride, sulfuryl fluoride, sulfur dioxide, sulfur trioxide, carbon disulfide, dimethyl sulfide, and methyl ethyl sulfide.3. The electrolyte according to claim 1 , wherein the silane compound is selected from one or more of tris(trimethyl)silane phosphate claim 1 , tris(trimethyl)silane phosphite claim 1 , tris(trimethyl) silane borate claim 1 , tris(triethyl)silane phosphate claim 1 , tris(triethyl)silane phosphite claim 1 , tris(triethyl)silane borate claim 1 , tris(trifluoromethyl)silane phosphate claim 1 , tris(trifluoromethyl)silane phosphite claim 1 , tris(trifluoromethyl)silane borate claim 1 , tris(2 claim 1 ,2 claim 1 ,2-trifluoroethyl)silane phosphate claim 1 , tris(2 claim 1 ,2 claim 1 ,2-trisfluoroethyl)silane ...

ENERGY STORAGE DEVICE HAVING A CURRENT COLLECTOR WITH INHERENT CURRENT LIMITATIONS

Improvements in the structural components and physical characteristics of lithium battery articles are provided. Standard lithium ion batteries, for example, are prone to certain phenomena related to short circuiting and have experienced high temperature occurrences and ultimate firing as a result. Structural concerns with battery components have been found to contribute to such problems. Improvements provided herein include the utilization of thin metallized current collectors (aluminum and/or copper, as examples), high shrinkage rate materials, materials that become nonconductive upon exposure to high temperatures, and combinations thereof. Such improvements accord the ability to withstand certain imperfections (dendrites, unexpected electrical surges, etc.) within the target lithium battery through provision of ostensibly an internal fuse within the subject lithium batteries themselves that prevents undesirable high temperature results from short circuits. Battery articles and methods of use thereof including such improvements are also encompassed within this disclosure. 1. An energy storage device comprising an anode , a cathode , at least one separator present interposed between said anode and said cathode , at least one liquid electrolyte , and at least one current collector in contact with at least one of said anode and said cathode , wherein said current collector has a top surface and a bottom surface; wherein said separator is of a polymeric , ceramic , or nonwoven structure; wherein said current collector is a nonconductive material having a conductive coating on both surfaces thereof; wherein said current collector exhibits the capability to carry a useful current density when operating normally along a current pathway horizontally along said current collector; and wherein said current collector , when present as a strip having dimensions of 4 cm by 1 cm and subjected to a current along the length thereof that is increased in 0.2 A increments , is unable ...

CONDUCTIVE SALT FOR LITHIUM-BASED ENERGY STORES

The invention relates to the use of lithium-2-pentafluoroethoxy-1,1,2,2-tetrafluoro-ethanesulfonate as a conductive salt in lithium-based energy stores and to electrolytes containing lithium-2-pentafluoroethoxy-1,1,2,2-tetrafluoro-ethanesulfonate. 1. An electrolyte for a lithium-based energy storage means comprising lithium 2-pentafluoroethoxy-1 ,1 ,2 ,2-tetrafluoroethanesulfonate.2. The electrolyte as claimed in claim 1 , wherein the concentration of lithium 2-pentafluoroethoxy-1 claim 1 ,1 claim 1 ,2 claim 1 ,2-tetrafluoroethanesulfonate in the electrolyte is from ≧0.1 M to ≦2 M claim 1 , from ≧0.5 M to ≦1.5 M claim 1 , or from ≧0.7 M to ≦1.2 M.3. The electrolyte as claimed in claim 1 , wherein the electrolyte comprises an organic solvent claim 1 , an ionic liquid and/or a polymer matrix.4. The electrolyte as claimed in comprising claim 1 , an organic solvent.5. The electrolyte as claimed in comprising an organic solvent claim 1 , wherein the organic solvent comprises a mixture of ethylene carbonate and at least one further organic solvent.6. The electrolyte as claimed in claim 1 , wherein the electrolyte comprises a compound selected from the group consisting of chloroethylene carbonate claim 1 , fluoroethylene carbonate claim 1 , vinylethylene carbonate claim 1 , ethylene sulfite claim 1 , ethylene sulfate claim 1 , propanesulfonates claim 1 , and sulfites.7. A lithium-based energy storage means comprising lithium 2-pentafluoroethoxy-1 claim 1 ,1 claim 1 ,2 claim 1 ,2-tetrafluoroethanesulfonate.8. The lithium-based energy storage means as claimed in claim 7 , which is a lithium battery claim 7 , a lithium-ion battery claim 7 , a lithium-ion accumulator claim 7 , a lithium polymer battery claim 7 , or a lithium-ion capacitor.9. The lithium-based energy storage means as claimed in claim 7 , wherein the concentration of lithium 2-pentafluoroethoxy-1 claim 7 ,1 claim 7 ,2 claim 7 ,2-tetrafluoroethanesulfonate is from ≧0.1 M to ≦2 M claim 7 , from ≧0.5 M to ≦1.5 M ...

Solid oxygen-redox nanocomposite materials

A solid oxygen-redox nanocomposite material including an alkali metal oxide, peroxide, or superoxide, or alkaline earth metal oxide, peroxide, or superoxide core, and a catalytic nanoshell or skeleton surrounding the cores, as well as methods of manufacture, are described. Additionally, sealed electrochemical devices including a solid oxygen-redox nanocomposite are also described.

COMPOUNDS BASED ON AN ELEMENT FROM THE BORON GROUP, AND USE THEREOF IN ELECTROLYTE COMPOSITIONS

Compounds based on an element from Groupe IIIA (column 13) of the periodic table of the elements, such as boron, aluminum, gallium or indium, are here described, as well as their processes of preparation and their use as salts and/or additives, for instance, in combination with other salts in electrolyte compositions for electrochemical cells, inter alia, in electrolyte compositions in the presence of a liquid solvent and/or a solvating polymer, the electrolyte being in liquid, gel or solid form. 2. The compound according to claim 1 , wherein A is:a metallic cation, for example, selected from cations of the elements Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, Al, Zn, Cu, Sc, Y, Fe, Co, Ni, Ti, Sn, V, Cr, and Mn;{'sup': +', '+', '+', '+', '+', '2+', '2+', '2+', '2+', '2+', '+', '+, 'a cation of an alkali or alkaline earth metal (Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, and Ba), for example, A is Li;'}selected from ammonium, alkylammonium, dialkylammonium, trialkylammonium, tetraalkylammonium, triarylammonium, tricycloalkylammonium, tetracycloalkylammonium, imidazolium, 1,3-dialkylimidazolium, 4,5-dicyanoimidazolium, N-alkylpyrrolidinium, N-alkylpiperidinium, oxoniums, trialkyloxonium, sulfonium, trialkylsulfonium, triarylsulfonium, tricycloalkylsulfonium, phosphonium, tetraalkylphosphonium, tetraarylphosphonium, tetracycloalkylphosphonium, trialkylphosphonium, triarylphosphonium, tricycloalkylphosphonium, trialkylselenium, and tetraalkylarsonium cations; ora cation of an organic base selected from trimethylamine, triethylamine, tripropylamine, tributylamine, N-alkylpyrrolidine, N-alkylmorpholine, N-methylimidazole, 4,5-dicyanoimidazole, pyridine, picoline, lutidine, quinoline, N,N-dimethylaniline, diisopropylethylamine, quinuclidine, and trimethylphosphine.35-. (canceled)78-. (canceled)9. The compound according to claim 1 , wherein at least one X group is a C(O)O or S(O)O group.10. The compound according to claim 9 , wherein at least one X group is a S(O)O group.11. The ...

ELECTROLYTE AND ELECTROCHEMICAL DEVICE

An electrolyte including a dinitrile compound, a trinitrile compound, and propyl propionate. Based on the total weight of the electrolyte, the content X of the nitrile compound and the content Y of the trinitrile compound meet the conditions represented by Formula (1) and Formula (2): {about 2 wt %≤(X+Y)≤about 11 wt % . . . (1), about 0.1≤(X/Y)≤about 8 . . . (2)}. The electrolyte further includes at least one selected from the group consisting of a cyclic carbonate ester having a carbon-carbon double bond, a fluorinated chain carbonate ester, a fluorinated cyclic carbonate ester, and a compound having a sulfur-oxygen double bond. The electrolyte is capable of effectively inhibiting the increase in DC internal resistance of an electrochemical device so that the electrochemical device has excellent cycle and storage performance. 1. An electrolyte , comprising a dinitrile compound , a trinitrile compound , and propyl propionate , wherein , based on a total weight of the electrolyte , a weight percentage of the dinitrile compound is X and a weight percentage of the trinitrile compound is Y , where X and Y meet conditions represented by Formula (1) and Formula (2):{'br': None, 'i': 'X+Y', 'about 2 wt %≤()≤about 11 wt %\u2003\u2003(1); and'}{'br': None, 'i': 'X/Y', 'about 0.1≤()≤about 8\u2003\u2003(2),'}wherein the electrolyte further comprises at least one selected from the group consisting of: a cyclic carbonate ester having a carbon-carbon double bond, a fluorinated chain carbonate ester, a fluorinated cyclic carbonate ester, and a compound having a sulfur-oxygen double bond.2. The electrolyte according to claim 1 , wherein claim 1 , based on the total weight of the electrolyte claim 1 , the weight percentage of the trinitrile compound is Y and a weight percentage of the propyl propionate is Z claim 1 , where Y and Z meet a condition represented by Formula (3):{'br': None, 'i': 'Y/Z', 'about 0.01≤()≤about 0.3\u2003\u2003(3).'}3. The electrolyte according to claim 1 , ...

Electrolyte and electrochemical device

An electrolyte includes a dinitrile compound, a trinitrile compound, and propyl propionate. Based on the total weight of the electrolyte, the content X of the nitrile compound and the content Y of the trinitrile compound meet the conditions represented by Formula (1) and Formula (2): {about 2 wt %≤(X+Y)≤about 11 wt % . . . (1), about 0.1≤(X/Y)≤about 8 . . . (2)}. The trinitrile compound includes at least one selected from the group consisting of: 1,3,5-pentanetricarbonitrile; 1,2,3-propanetrinitrile; 1,3,6-hexanetricarbonitrile; 1,2,6-hexanetricarbonitrile; 1,2,3-tris(2-cyanoethoxy)propane; 1,2,4-tris(2-cyanoethoxy)butane; 1,1,1-tris(cyanoethoxymethylene)ethane; 1,1,1-tris(cyanoethoxymethylene)propane; 3-methyl-1,3,5-tris(cyanoethoxy)pentane; 1,2,7-tris(cyanoethoxy)heptane; 1,2,6-tris(cyanoethoxy)hexane; and 1,2,5-tris(cyanoethoxy)pentane. The electrolyte is capable of effectively inhibiting the increase in DC internal resistance of an electrochemical device so that the electrochemical device has excellent cycle and storage performance.

Electrolyte Solution for Non-Aqueous Electrolytic Solution Battery and Non-Aqueous Electrolyte Solution Battery Using Same

The present invention provides an electrolyte solution for a non-aqueous electrolyte solution battery capable of exhibiting excellent high-temperature cycle characteristics and excellent high-temperature storage characteristics at high temperature of 60° C. or above, and a non-aqueous electrolyte solution battery using the same. The electrolyte solution for a non-aqueous electrolyte solution battery of the present invention comprises at least: a non-aqueous solvent; a solute; at least one first compound represented by the following general formula (1); and at least one second compound represented by the following general formula (2). 110-. (canceled)11. An electrolyte solution for a non-aqueous electrolyte solution battery , comprising at least:a non-aqueous solvent;a solute;at least one first compound selected from the group consisting of bis(oxalato)boric acid salts and difluoro(oxalato)boric acid salts; and {'br': None, 'sup': 3', '4, 'sub': x', '4-x, 'Si(R)(R)\u2003\u2003(2)'}, 'at least one second compound represented by the following general formula (2){'sup': 3', '4, 'wherein, in general formula (2), Rs each independently represent a group selected from the group consisting of a vinyl group, an allyl group, a 1-propenyl group, an ethynyl group, and a 2-propynyl group; Rs each independently represent a group selected from the group consisting of a fluorine atom, a methyl group, an ethyl group, a propyl group, a 2,2,2-trifluoroethyl group, a 2,2,3,3-tetrafluoropropyl group, a 1,1,1-trifluoroisopropyl group, a 1,1,1,3,3,3-hexafluoroisopropyl group, a 2,2,2-trifluoroethoxy group, a 2,2,3,3-tetrafluoropropoxy group, a 2,2,3,3,3-pentafluoropropoxy group, a 1,1,1-trifluoroisopropoxy group, and a 1,1,1,3,3,3-hexafluoroisopropoxy group; and x is 2 to 4;'}wherein the concentration of the first compound is in a range from 0.07 to 7.0% by mass relative to the total amount of the electrolyte solution for a non-aqueous electrolyte solution battery; andwherein the ...

SECONDARY BATTERY

A secondary battery in which the difference between the voltage at the time of discharging and the voltage at the time of charging is small, ensuring good energy efficiency, and the charge/discharge life is long. Therefore, in order to attain the above-described object, a secondary battery containing a positive electrode, a negative electrode, and an electrolytic solution, wherein at least one of the positive electrode and the negative electrode contains, as the active material, at least one selected from the group consisting of a metal ion-containing fluoride, a metal oxide, a metal sulfide, a metal nitride, and a metal phosphide; the electrolytic solution contains an anion receptor; and the anion receptor forms a salt or a complex with an anion contained in the active material, thereby enabling the active material to dissolve in the electrolytic solution. 1. A secondary battery containing a positive electrode , a negative electrode , and an electrolytic solution ,wherein at least one of the positive electrode and the negative electrode contains, as the active material, at least one selected from the group consisting of a metal ion-containing fluoride, a metal oxide, a metal sulfide, a metal nitride, and a metal phosphide,wherein the electrolytic solution contains an anion receptor,wherein the anion receptor forms a salt or a complex with an anion contained in the active material, thereby enabling the active material to dissolve in the electrolytic solution, andwherein the anion forming a salt or a complex with the anion receptor is at least one anion selected from the group consisting of a fluoride ion of the metal ion-containing fluoride, an oxide ion of the metal oxide, a sulfide ion of the metal sulfide, a nitride ion of the metal nitride, and a phosphide ion of the metal phosphide.2. The secondary battery according to claim 1 ,wherein the active material contained in at least one of the positive electrode and the negative electrode is a metal ion-containing ...