Anode moderator for reactive metal electrochemical cells

Details Anode moderator for reactive metal electrochemical cells Anode moderator for reactive metal electrochemical cells

1975-05-23

1977-01-04

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, H01M 604

Patent

active

040010430

ABSTRACT:
In a reactive metal-water electrochemical cell, an alkaline electrolyte, containing soluble peroxide ions which improve the uniformity of reaction at the anode, reduces the anode's sensitivity to changes in the hydroxyl ion concentration of the electrolyte, reduces the anode's sensitivity to electrolyte flow rate and reduces the anode's sensitivity to temperature. The improved characteristics of the cell result from the ability of the peroxide ions to stabilize the anode and also to be reduced at a more electronegative potential than is required for the reduction of water. The soluble peroxide ion, HO.sub.2.sup.-, is formed when hydrogen peroxide, sodium peroxide and other soluble inorganic peroxide compounds are dissolved in the alkaline solution.

REFERENCES:
patent: 2706213 (1955-04-01), Lucas
patent: 3791871 (1974-02-01), Rowley
patent: 3825445 (1974-07-01), MacCarthy
patent: 3833420 (1974-09-01), Will
patent: 3833422 (1974-09-01), Will et al.

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