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

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method

Reexamination Certificate

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C429S326000, C429S330000, C429S332000, C429S331000, C429S338000, C429S340000, C429S199000, C429S200000, C429S341000

Reexamination Certificate

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10653192

ABSTRACT:
An electrolyte of a lithium secondary battery includes lithium salts, an organic solvent with a high boiling point, and a carbonate-based additive compound having substituents selected from the group consisting of a halogen, a cyano (CN), and a nitro (NO2). The electrolyte improves discharge, low temperature, and cycle life characteristics of a lithium secondary battery.

REFERENCES:
patent: 6495293 (2002-12-01), Arai et al.
patent: 6743947 (2004-06-01), Xu et al.
patent: 2004/0146786 (2004-07-01), Sato et al.
patent: 10-189043 (1998-07-01), None
C.R. Yang, Y.Y. Wang, C.C. Wan; Composition analysis of the passive film on the carbon electrode of a lithium-ion battery with an EC-based electrolyte;Journal of Power Sources 72 (1998) pp. 66-70.
Sid Megahed and Bruno Scrosati; Lithium-ion rechargeable batteries; Journal of Power Sources, 51 (1994; pp. 79-104.
Norio Takami et al.; Laminated Thin Li-Ion Batteries Using a Liquid Electrolyte; Journal of the Electrochemical Society, 149 (1) A9-12 (2002); pp. A9-A12.

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