Chemistry: electrical current producing apparatus – product – and – Fluid active material or two-fluid electrolyte combination...
Patent
1978-11-29
1980-03-11
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Fluid active material or two-fluid electrolyte combination...
429105, 429107, 429109, H01M 818
Patent
active
041929101
ABSTRACT:
There is disclosed an electricity producing cell of the reduction-oxidation (REDOX) type divided into two compartments by a membrane, each compartment containing a solid inert electrode. A ferrous/ferric couple in a chloride solution serves as a cathode fluid which is circulated through one of the compartments to produce a positive electric potential disposed therein. A chromic/chromous couple in a chloride solution serves as an anode fluid which is circulated through the second compartment to produce a negative potential on an electrode disposed therein. The electrode is an electrically conductive, inert material plated with copper, silver or gold. A thin layer of lead plates onto the copper, silver or gold layer when the cell is being charged, the lead ions being available from lead chloride which has been added to the anode fluid. If the REDOX cell is then discharged, the current flows between the electrodes causing the lead to deplate from the negative electrode and the metal coating on the electrode will act as a catalyst to cause increased current density.
REFERENCES:
patent: 3178315 (1965-04-01), Worsham
patent: 3279949 (1966-10-01), Schaefer et al.
patent: 3996064 (1976-12-01), Thaller
Cahill Kathleen J.
Frosch Robert A. Administrator of the National Aeronautics and Space
Giner Jose D.
Mackin J. A.
Manning J. R.
Musial N. T.
Skapars Anthony
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