Electrolyte compositions

Details Electrolyte compositions Electrolyte compositions

1975-04-04

1976-08-24

Walton, Donald L.

Batteries: thermoelectric and photoelectric

Thermoelectric

Radiation pyrometer

H01M 604

Patent

active

039765091

ABSTRACT:
In a reactive metal-water electrochemical cell, an alkaline electrolyte containing organic additives which reduce the parasitic direct corrosion reaction between the reactive metal and the water of the electrolyte. More particularly, the additives substantially reduce the activity of the water by forming inter-molecular hydrogen bonding between the organic additive and water. Illustratively, such organic additives include alcohols, nitrogen containing compounds such as amides, amines and hydrazine, and ketones, ethers and esters. Optionally, molarity of the electrolyte is controlled independent of water additions by chemically removing the reactive metal ions formed during discharge of the cell. This is accomplished by the controlled additions of precipitating agents to the electrolyte to form insoluble salts.

REFERENCES:
patent: 2826724 (1958-03-01), Lilienfeld
patent: 3692584 (1972-10-01), King
patent: 3791871 (1974-02-01), Rowley
patent: 3833420 (1974-09-01), Will

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