Electrolytic solution and battery

Details Electrolytic solution and battery Electrolytic solution and battery

2006-06-08

2010-11-02

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S324000, C429S329000, C429S330000, C429S340000, C429S341000

Reexamination Certificate

active

07824810

ABSTRACT:
An electrolytic solution capable of inhibiting self-discharge even under the high temperatures and a battery using the electrolytic solution are provided. A spirally wound electrode body in which a cathode and an anode are wound with a separator in between and spirally wound is included inside the battery can. An electrolytic solution is impregnated in the separator. The electrolytic solution contains ethylene sulfite, vinylene carbonate, LiPF6, and a light metal salt such as lithium difluoro[oxalato-O,O′]borate in a given range. Thereby, the self-discharge can be inhibited even under the high temperatures.

REFERENCES:
patent: 7174207 (2007-02-01), Dodd et al.

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