Non-aqueous electrolyte battery

Details Non-aqueous electrolyte battery Non-aqueous electrolyte battery

2008-06-10

2008-06-10

Weiner, Laura (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S330000, C429S332000, C429S333000, C429S340000, C429S162000, C429S172000

Reexamination Certificate

active

07384708

ABSTRACT:
A non-aqueous electrolyte battery of the present invention includes a non-aqueous electrolyte containing a lithium salt, a cyclic sultone derivative, and an acid anhydride, wherein the non-aqueous electrolyte contains the cyclic sultone derivative in an amount of 0.3 to 3% by mass and the non-aqueous electrolyte contains the acid anhydride in an amount of 0.3 to 3% by mass. Furthermore, the non-aqueous electrolyte battery includes at least one selected from a cyclic sultone derivative and an acid anhydride, and an electrolyte salt. The electrolyte salt contains lithium salt A and lithium salt B. The lithium salt A is at least one selected from LiBF4, LiPF6, LiAsF6, and LiSbF6, and the lithium salt B is a lithium salt other than the lithium salt A. The electrolyte contains the lithium salt A in an amount of 2 mol % or more.

REFERENCES:
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patent: 6451478 (2002-09-01), Okahisa et al.
patent: 6866966 (2005-03-01), Hamamoto et al.
patent: 6927001 (2005-08-01), Hamamoto et al.
patent: 9-306445 (1997-11-01), None
patent: 2000268857 (2000-09-01), None
patent: 1146586 (2001-10-01), None
Extended European Search Report issued in EP Application No. 07002843.6 mailed on Jul. 5, 2004, 4 pages.
Patent Abstracts of Japan (European Patent Office); corresponds to Publication No. 2000-268857; (9 pages).

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