Porous nickel foil for negative electrode of alkaline...

Details Porous nickel foil for negative electrode of alkaline... Porous nickel foil for negative electrode of alkaline...

2011-08-16

2011-08-16

Van, Luan (Department: 1724)

Electrolysis: processes, compositions used therein, and methods

Electroforming or composition therefor

Sheet, web, wire, or filament

Reexamination Certificate

active

07998329

ABSTRACT:
A porous nickel foil for a negative electrode of an alkaline battery formed by an electrolytic deposition method, wherein the porous nickel foil is flexible and has a thickness of 10-35 μm and a Vickers hardness of 70-130. An electrodeposition drum for producing porous metal foil by an electrolytic deposition method including a drum having a surface onto which metal foil is deposited, a plurality of holes formed in the surface and an insulating resin filled in the holes, wherein the ratio of depth L and diameter D (L/D) of the hole is at least 1 and no clearance, into which deposited metal otherwise cuts in a wedge shape, exists at the boundary between the insulating resin filled in the hole and an opening edge of the hole.

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United States Office Action issued in U.S. Appl. No. 11/339,441 dated Oct. 22, 2009.

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