Polymer electrolyte composition for rechargeable lithium...

Details Polymer electrolyte composition for rechargeable lithium... Polymer electrolyte composition for rechargeable lithium...

2005-11-29

2009-12-29

Kalafut, Stephen J. (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S309000, C429S317000

Reexamination Certificate

active

07638242

ABSTRACT:
A polymer electrolyte composition for a rechargeable lithium battery includes an acrylate-based polymer, a lactone-based compound having an alkyl substituent, a non-aqueous organic solvent, and a lithium salt. The electrolyte for a rechargeable lithium battery of the present invention exhibits excellent high temperature storage characteristics, excellent high temperature cycle-life characteristics, and improved safety without deteriorating cell performance.

REFERENCES:
patent: 6534214 (2003-03-01), Nishijima et al.
patent: 6569572 (2003-05-01), Ochiai et al.
patent: 6730440 (2004-05-01), Bauer et al.
patent: 7205073 (2007-04-01), Kim et al.
patent: 2003/0129480 (2003-07-01), Akashi et al.
patent: 2001-110350 (2001-04-01), None
Patent Abstracts of Japan, Publication No. 2001-110350; Publication Date Apr. 20, 2001; in the name of Yamada.

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