Alkaline cell with gelled anode

Details Alkaline cell with gelled anode Alkaline cell with gelled anode

1990-02-08

1990-10-16

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429165, 429212, 429230, H01M 462, H01M 402

Patent

active

049634470

ABSTRACT:
An alkaline cell having a gelled zinc negative electrode solely or mainly using, as a gelling agent to hold a zinc powder in an alkaline electrolyte, a granular crosslinking type branched polyacrylic acid, polymethacrylic acid or salts thereof.
This gelling agent, holding an alkaline electrolyte, swells and properly maintains the thickness of the electrolyte, whereby the electrolyte can be sufficiently fed to a cell reaction portion and the alkaline cell is imparted with excellent drop resistance and shelf stability.

REFERENCES:
patent: 3884721 (1975-05-01), Tucholski
patent: 4209577 (1980-06-01), Clash
patent: 4332870 (1982-06-01), Parsen et al.
patent: 4857424 (1989-08-01), Larsen et al.

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