Nonaqueous electrolyte and lithium secondary battery...

Details Nonaqueous electrolyte and lithium secondary battery... Nonaqueous electrolyte and lithium secondary battery...

2007-05-29

2007-05-29

Weiner, Laura (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S340000, C429S330000, C252S062200

Reexamination Certificate

active

10935279

ABSTRACT:
An object of the present invention is to provide a battery of high capacity that is excellent in storage, load, cycle, and continuous charge characteristics and that reduces gas generation; and a nonaqueous electrolyte for use in the battery.The invention relates to a nonaqueous electrolyte which comprises a nonaqueous organic solvent and a lithium salt dissolved therein, wherein the nonaqueous organic solvent contains at least one compound selected from the group consisting of acid anhydrides and carbonic esters having an unsaturated bond, and at least one compound selected from the group consisting of sulfonic compounds and fluorine-containing aromatic compounds having 9 carbon atoms or less; and a lithium secondary battery employing the same.

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