Electrochemical cells having a gelled anode-electrolyte mixture

Details Electrochemical cells having a gelled anode-electrolyte mixture Electrochemical cells having a gelled anode-electrolyte mixture

1979-12-26

1984-06-19

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429212, 429215, 429224, 429229, H01M 622

Patent

active

044553587

ABSTRACT:
An electrochemical cell having an anode, a cathode and an aqueous alkaline electrolyte solution. The anode is an intimate gelled mixture of a powdered metal, an aqueous electrolyte solution and an agent capable of gelling the mixture. The agent is a material capable of absorbing water and having a carbohydrate backbone which has a water soluble side chain grafted thereon. A preferred agent is a water insoluble salt of an aqueous alkali saponified gelatinized starch having a water soluble side chain grafted thereon. The gelling of the intimate mixture of the powdered metal anode and electrolyte solution with the agent is a method of improving the discharge characteristics of the cell.

REFERENCES:
patent: 2593893 (1952-04-01), King
patent: 2993947 (1961-07-01), Leger
patent: 3265632 (1966-08-01), Leach
patent: 3697327 (1972-10-01), Croissant et al.
patent: 3871918 (1975-03-01), Viescou

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