Nonaqueous electrolyte secondary battery and battery pack

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode

Reexamination Certificate

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Details

C429S231500, C429S231100, C429S231300, C429S323000, C429S200000, C429S203000, C429S231950

Reexamination Certificate

active

11492106

ABSTRACT:
A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode contains an active material providing a working potential which is nobler by at least 0.5V than a lithium metal potential. Also, the nonaqueous electrolyte contains an ionic liquid and allyl phosphate represented by chemical formula given below:where R denotes hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and n denotes an integer of 1 to 3.

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patent: 7029793 (2006-04-01), Nakagawa et al.
patent: 2005/0164082 (2005-07-01), Kishi et al.
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patent: WO 01/86748 (2001-11-01), None
U.S. Appl. No. 11/683,605, filed Mar. 8, 2007, Kishi, et al.
U.S. Appl. No. 11/276,843, filed Mar. 16, 2006, Takashi Kuboki, et al.

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