Nonaqueous electrolyte secondary battery including a...

Details Nonaqueous electrolyte secondary battery including a... Nonaqueous electrolyte secondary battery including a...

2011-04-12

2011-04-12

Yuan, Dah-Wei D (Department: 1727)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S215000, C429S218100

Reexamination Certificate

active

07923148

ABSTRACT:
Disclosed is a nonaqueous electrolyte secondary battery which has a negative electrode containing silicon as a negative active material, a positive electrode containing a positive active material, a nonaqueous electrolyte and a separator. Characteristically, an additive which retards oxidation of silicon during operation of the battery is contained either in an interior or surface portion of the positive electrode, or in an interior or surface portion of the negative electrode, or in an interior or surface portion of the separator.

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Chinese Office Action dated May 27, 2010, issued in Chinese Patent Appln, No. 200610067109.2, and an English translation thereof.

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