Electrochemical power generation with thermal electrolyte manage

Details Electrochemical power generation with thermal electrolyte manage Electrochemical power generation with thermal electrolyte manage

1986-05-20

1987-08-04

Hearn, Brian E.

Chemistry: electrical current producing apparatus, product, and

Process of cell operation

Electrolyte circulation

429 17, 429 15, 429 26, H01M 1400

Patent

active

046845844

ABSTRACT:
A method of power generation and associated system therefor employing an electrochemical cell including a reactive metal anode, a cathode spaced from the anode and an electrolyte comprising an aqeuous solution of the hydroxide of the reactive metal is disclosed. The method of the invention utilizes the thermal coefficient of solubility of the metal hydroxide anode reaction product as a means by which electrolyte management is accomplished. The electrolyte, after passing through the electrochemical cell to generate electric power, is cooled to precipitate at least a portion of the reactive metal hydroxide. The precipitate is then separated from the electrolyte, thereby reducing the concentration of the reactive metal hydroxide in the electrolyte. The resulting electrolyte is then recirculated to the electrochemical cell.

REFERENCES:
patent: 2940820 (1960-06-01), Mazza et al.
patent: 3791871 (1974-02-01), Rowley
patent: 3887400 (1975-06-01), Doniat et al.
patent: 4207297 (1980-06-01), Brown et al.
patent: 4485154 (1984-11-01), Remick et al.
patent: 4528248 (1985-07-01), Galbraith
J. F. Cooper et al, "Lithium Requirements for Electric Vehicles Using Lithium-Water-Air Batteries", Nov. 12, 1975.

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