Nonaqueous electrolytic solution and lithium secondary battery

Details Nonaqueous electrolytic solution and lithium secondary battery Nonaqueous electrolytic solution and lithium secondary battery

2005-04-19

2005-04-19

Weiner, Laura (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S330000, C429S231100, C429S231400, C429S231800

Reexamination Certificate

active

06881522

ABSTRACT:
A nonaqueous electrolytic solution for lithium secondary batteries. When the nonaqueous solvent comprises a combination of an ester of a tertiary carboxylic acid and a cyclic carbonate such as propylene carbonate or ethylene carbonate, a lithium salt having a fluorine atom is preferably used as the electrolyte salt. In this case, the ester of a tertiary carboxylic acid is preferably used in a relatively small amount, especially in an amount of about 0.5 to 35 wt. % based on the nonaqueous solvent.

REFERENCES:
patent: 7-37613 (1995-02-01), None
patent: 11-283666 (1999-10-01), None
patent: 2000-182666 (2000-06-01), None
patent: 2000-188128 (2000-07-01), None
patent: 2000-299127 (2000-10-01), None

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