Lithium secondary battery

Details Lithium secondary battery Lithium secondary battery

2004-03-04

2008-11-18

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S330000

Reexamination Certificate

active

07452636

ABSTRACT:
A lithium secondary battery including a positive electrode, a negative electrode including a carbon material as an active material, and a nonaqueous electrolyte comprising a solute dissolved in a nonaqueous solvent in which γ-butyrolactone is the main solvent, wherein the carbon material has a ratio (ID/IG) of a Raman spectrum intensity (a peak intensity ratio) (R) obtained by Raman spectroscopy of 0.2 or greater, and the nonaqueous electrolyte includes at least 0.1 part by weight of vinylene carbonate and at least 0.1 part by weight of vinyl ethylene carbonate in 100 parts by weight of the nonaqueous electrolyte.

REFERENCES:
patent: 6022518 (2000-02-01), Yamazaki et al.
patent: 2002/0009649 (2002-01-01), Sato et al.
patent: 2004/0101763 (2004-05-01), Kotato et al.
patent: 2004/0191636 (2004-09-01), Kida et al.
patent: 2004/0224230 (2004-11-01), Yanagida et al.
patent: 10-152311 (1998-06-01), None
patent: 2001-6729 (2001-01-01), None
patent: 2001-297794 (2001-10-01), None
patent: 2002-324580 (2002-11-01), None
patent: 2002-343430 (2002-11-01), None

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