AA alkaline battery

Details AA alkaline battery AA alkaline battery

2011-03-01

2011-03-01

Yuan, Dah-Wei D (Department: 1729)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S165000, C429S166000

Reexamination Certificate

active

07897282

ABSTRACT:
An AA alkaline battery according to the present invention includes: a positive electrode; a negative electrode; a separator; an alkaline electrolyte; and a negative electrode current collector. The negative electrode contains zinc, indium, and bismuth. The weight of zinc is 4.0 g or more, and the total weight of indium and bismuth is 450 ppm or less with respect to the weight of zinc. The negative electrode current collector contains copper. Tin is provided on at least part of the surface of the negative electrode current collector.

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