Non-aqueous electrolyte and lithium secondary battery using...

Details Non-aqueous electrolyte and lithium secondary battery using... Non-aqueous electrolyte and lithium secondary battery using...

2011-07-12

2011-07-12

Dove, Tracy (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S231800, C429S314000, C429S332000, C429S338000

Reexamination Certificate

active

07976988

ABSTRACT:
A non-aqueous electrolyte comprising (i) a non-aqueous solvent, especially mainly composed of a cyclic carbonate and a cyclic ester and optionally a linear carbonate, and (ii) an electrolyte salt, especially LiBF4, dissolved therein and (iii) a vinyl sulfone derivative having the formula (I):wherein R indicates a C1to C12alkyl group, C2to C12alkenyl group, or C3to C6cycloalkyl, and also a lithium secondary battery using the same are disclosed.

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