Lithium battery

Details Lithium battery Lithium battery

2008-12-24

2010-10-05

Michener, Jennifer (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S328000

Reexamination Certificate

active

07807301

ABSTRACT:
Disclosed is a lithium battery including a silicon negative electrode, a lithium mixed metal oxide positive electrode, a separator disposed between the negative and positive electrodes to define a reservoir region, an electrolytic solution filled in the reservoir region, and a sealant structure wrapped around the silicon negative electrode, the lithium mixed metal oxide positive electrode, the separator, and the electrolytic solution. The electrolytic solution includes an organic solvent, a lithium salt, and an additive. The additive includes a maleimide compound and vinylene carbonate. The silicon negative electrode of the lithium battery employing the described electrolytic solution has higher cycle efficiency and longer operating lifespan.

REFERENCES:
patent: 6541156 (2003-04-01), Fuse et al.
patent: 2006/0292450 (2006-12-01), Nakanishi et al.
patent: 2008/0160418 (2008-07-01), Pan et al.
patent: 2009/0142627 (2009-06-01), Shimomura et al.
patent: 2001-114834 (2001-04-01), None
patent: 2004-185984 (2004-07-01), None

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