Non-aqueous electrolyte and secondary battery using the same

Details Non-aqueous electrolyte and secondary battery using the same Non-aqueous electrolyte and secondary battery using the same

2011-07-05

2011-07-05

Mayes, Melvin C (Department: 1732)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S212000

Reexamination Certificate

active

07972733

ABSTRACT:
Disclosed is an electrolyte for a secondary battery comprising an electrolyte salt and an electrolyte solvent, the electrolyte further comprising both a cyclic diester compound and a sulfinyl group-containing compound. Also, disclosed is an electrode having a solid electrolyte interface (SEI) film partially or totally formed on a surface thereof, the SEI film being formed by electrical reduction of the above compounds. Further, a secondary battery comprising the electrolyte and/or the electrode is disclosed.

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Supplementary European Search Report, EP 07793657, dated Mar. 8, 2010.
International Search Report, PCT/KR2007/004054, dated Nov. 28, 2007.

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