Electrolyte for lithium ion secondary battery and lithium...

Details Electrolyte for lithium ion secondary battery and lithium... Electrolyte for lithium ion secondary battery and lithium...

2011-02-01

2011-02-01

Weiner, Laura S (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S338000, C429S341000, C429S342000, C429S343000, C429S199000, C429S329000, C429S330000, C429S332000, C429S333000, C429S231950, C429S188000, C429S189000, C252S062200

Reexamination Certificate

active

07879499

ABSTRACT:
An electrolyte for a lithium ion secondary battery includes a non-aqueous organic solvent; lithium salt; and difluoro oxalato borate and fluoro ethylene carbonate (FEC). The capacity retention property and durability of a lithium ion secondary battery including the electrolyte is excellent even when the battery is left at a high temperature.

REFERENCES:
patent: 7592102 (2009-09-01), Kim et al.
patent: 2005/0106470 (2005-05-01), Yoon et al.
patent: 2008/0063946 (2008-03-01), Kubota et al.
patent: 7-176323 (1995-07-01), None
patent: 7-320779 (1995-12-01), None
patent: 11-111306 (1999-04-01), None
patent: 2007-018945 (2007-01-01), None
patent: 2007-250288 (2007-09-01), None
patent: 2008-218487 (2008-09-01), None
patent: 10-0709206 (2007-04-01), None
patent: 10-2007-0082551 (2007-08-01), None
U.S. Appl. No. 12/256,781, filed Oct. 23, 2008, Jinsung Kim et al., Samsung SDI Co., Ltd.
English-language abstract of KR 10-2005-0041859.
Korean Notice of Allowance dated Sep. 7, 2010 issued by the KIPO for corresponding Korean Patent Application No. 10-2008-0047027 - 5 pages.

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