RU98100100A - METHOD FOR IMPROVING LITHIUM-ION ELEMENT - Google Patents

METHOD FOR IMPROVING LITHIUM-ION ELEMENT

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Publication number
RU98100100A
RU98100100A RU98100100/09A RU98100100A RU98100100A RU 98100100 A RU98100100 A RU 98100100A RU 98100100/09 A RU98100100/09 A RU 98100100/09A RU 98100100 A RU98100100 A RU 98100100A RU 98100100 A RU98100100 A RU 98100100A
Authority
RU
Russia
Prior art keywords
cell
charged
temperature
lithium
increasing
Prior art date
Application number
RU98100100/09A
Other languages
Russian (ru)
Other versions
RU2156523C2 (en
Inventor
Рамасвами Картик
Чи Игнасио
С.Куо Хан
Тодино Криста
Original Assignee
Дьюраселл Инк.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Дьюраселл Инк. filed Critical Дьюраселл Инк.
Publication of RU98100100A publication Critical patent/RU98100100A/en
Application granted granted Critical
Publication of RU2156523C2 publication Critical patent/RU2156523C2/en

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Claims (10)

1. Способ увеличения термической стабильности перезаряжаемого литиевого элемента, который находится, по существу, в заряженном состоянии и который имеет пассивирующий слой на поверхности одного или обоих электродов, содержащий стадии увеличения эффективности пассивации существующего пассивирующего слоя посредством выдерживания заряженного литиевого элемента при температуре от приблизительно 20°С до приблизительно 75°С в течение времени, достаточного для увеличения эффективности пассивации пассивирующего слоя.1. A method of increasing the thermal stability of a rechargeable lithium cell that is substantially charged and which has a passivation layer on the surface of one or both electrodes, comprising the steps of increasing the passivation efficiency of an existing passivating layer by holding the charged lithium cell at a temperature of from about 20 ° C to about 75 ° C for a time sufficient to increase the passivation efficiency of the passivating layer. 2. Способ по п. 1, в котором указанный литиевый элемент является полностью заряженным перед выдерживанием указанного элемента при указанной температуре до приблизительно от 4,0 В до приблизительно 4,5 В. 2. The method according to claim 1, wherein said lithium cell is fully charged before holding said cell at said temperature to from about 4.0 V to about 4.5 V. 3. Способ по п. 1, в котором указанный литиевый элемент является частично заряженным до приблизительно от 3,2 В до приблизительно 4,0 В перед тепловой обработкой. 3. The method of claim 1, wherein said lithium cell is partially charged to about 3.2 V to about 4.0 V before being heat treated. 4. Способ по п. 1, в котором указанный литиевый элемент является заряженным приблизительно от 10% максимально достижимого заряда элемента до приблизительно 100% максимально достижимого заряда элемента. 4. The method according to claim 1, wherein said lithium cell is charged from about 10% of the maximum achievable charge of the cell to about 100% of the maximum achievable charge of the cell. 5. Способ по п. 1, в котором указанный заряженный элемент выдерживают при температуре от приблизительно 45°С до приблизительно 60°С. 5. The method according to claim 1, wherein said charged cell is held at a temperature of from about 45 ° C to about 60 ° C. 6. Способ по п. 1, в котором указанный заряженный элемент выдерживают при температуре от приблизительно 20°С до приблизительно 65°С. 6. The method according to claim 1, wherein said charged cell is maintained at a temperature of from about 20 ° C to about 65 ° C. 7. Способ по п. 1, в котором указанный заряженный элемент выдерживают при указанной температуре приблизительно от 1 ч до приблизительно 2 месяцев. 7. The method according to p. 1, in which the specified charged element is maintained at a specified temperature from about 1 hour to about 2 months. 8. Способ по п. 1, в котором указанный заряженный элемент выдерживают при температуре между приблизительно 45°С и приблизительно 60°С в течение периода времени от приблизительно 2 ч до приблизительно 72 ч. 8. The method of claim 1, wherein said charged cell is held at a temperature between about 45 ° C and about 60 ° C for a period of time from about 2 hours to about 72 hours. 9. Способ увеличения термической стабильности перезаряжаемого литиевого элемента, состоящего из анода из графита и катода из покрытого литием оксида металла, причем элемент находится, по существу, в заряженном состоянии и который имеет пассивирующий слой на поверхности одного или обоих электродов, содержащий стадии увеличения эффективности пассивации существующего пассивирующего слоя посредством выдерживания заряженного литиевого элемента при температуре приблизительно от 45°С до приблизительно 60°С в течение периода времени от приблизительно 1 ч до приблизительно 72 ч. 9. A method of increasing the thermal stability of a rechargeable lithium cell, consisting of a graphite anode and a lithium-coated metal cathode, the cell being in a substantially charged state and which has a passivation layer on the surface of one or both electrodes, comprising the steps of increasing passivation efficiency existing passivating layer by keeping the charged lithium cell at a temperature of from about 45 ° C to about 60 ° C for a period of time from approx. about 1 hour to about 72 hours 10. Литий-ионный элемент, который обрабатывают в соответствии со способом по п. 1. 10. The lithium-ion cell, which is processed in accordance with the method of claim 1.
RU98100100/09A 1995-06-07 1996-06-05 Lithium cell improvement technique RU2156523C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47389495A 1995-06-07 1995-06-07
US08/473894 1995-06-07

Publications (2)

Publication Number Publication Date
RU98100100A true RU98100100A (en) 2000-02-10
RU2156523C2 RU2156523C2 (en) 2000-09-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU98100100/09A RU2156523C2 (en) 1995-06-07 1996-06-05 Lithium cell improvement technique

Country Status (16)

Country Link
US (1) US5750282A (en)
EP (1) EP0832505B1 (en)
JP (1) JPH11506867A (en)
CN (1) CN1202985A (en)
AT (1) ATE425562T1 (en)
AU (1) AU723710B2 (en)
BR (1) BR9610880A (en)
CA (1) CA2221735A1 (en)
CZ (1) CZ371697A3 (en)
DE (1) DE69637862D1 (en)
NZ (1) NZ311255A (en)
PL (1) PL323714A1 (en)
RU (1) RU2156523C2 (en)
TW (1) TW366601B (en)
WO (1) WO1996041394A1 (en)
ZA (1) ZA963605B (en)

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