Non-aqueous solvent, non-aqueous electrolyte compositions,...

Details Non-aqueous solvent, non-aqueous electrolyte compositions,... Non-aqueous solvent, non-aqueous electrolyte compositions,...

2007-01-29

2010-06-29

Weiner, Laura S (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S330000, C429S332000, C429S163000, C429S303000, C429S306000, C252S364000

Reexamination Certificate

active

07745058

ABSTRACT:
A non-aqueous solvent is provided that includes ethylene carbonate in a range from 5% or more to less than 60%, propylene carbonate of 40% or less, and diethyl carbonate of 40% or more, as mass ratios. The non-aqueous electrolyte compositions are formed by further adding an electrolytic salt and, if necessary, unsaturated cyclic carbonic ester and a high molecular compound into the non-aqueous solvent. A non-aqueous electrolyte secondary battery is formed by using the non-aqueous electrolyte compositions.

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Japanese Office Action issued on Oct. 2, 2009, for corresponding Japanese Patent Application 2006-026115.

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