Button-type alkaline battery and method of manufacturing the...

Details Button-type alkaline battery and method of manufacturing the... Button-type alkaline battery and method of manufacturing the...

2011-08-23

2011-08-23

Gilliam, Barbara L (Department: 1727)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Cell enclosure structure, e.g., housing, casing, container,...

C429S171000, C429S175000, C429S344000, C429S229000

Reexamination Certificate

active

08003247

ABSTRACT:
A button-type alkaline battery in which an anode3containing an anode active material and an alkaline electrolyte is disposed in a sealed space formed by sealing a cathode housing4with an anode sealing member5, with a gasket6being interposed between the cathode housing4and the anode sealing member5. The anode active material includes mercury-free zinc or a mercury-free zinc alloy. The button-type alkaline battery includes a metal layer7that is disposed between and in contact with the anode sealing member5and the anode3. The metal layer7includes a base material containing zinc, and at least one metal M selected from the group consisting of indium, bismuth, and tin, with the metal M having segregated in the base material.

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