Chemistry: electrical current producing apparatus – product – and – Deferred action type – Responsive to heat
Patent
1978-08-09
1979-05-29
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
Deferred action type
Responsive to heat
H01M 636
Patent
active
041567587
ABSTRACT:
A high-temperature, secondary electrochemical cell that employs FeS as the positive electrode reactant and lithium or lithium alloy as the negative electrode reactant includes an improved electrolyte composition. The electrolyte comprises about 60-70 mole percent LiCl and 30-40 percent mole percent KCl which includes LiCl in excess of the eutectic composition. The use of this electrolyte suppresses formation of the J phase and thereby improves the utilization of positive electrode active material during cell cycling.
REFERENCES:
patent: 3898096 (1975-08-01), Heredy et al.
patent: 3941612 (1976-03-01), Steunenberg et al.
patent: 4011373 (1977-03-01), Kaun et al.
Anderson Karl E.
Roche Michael F.
Tomczuk Zygmunt
Vissers Donald R.
Carlson Dean E.
Glenn Hugh W.
Jackson Frank H.
The United States of America as represented by the United States
Walton Donald L.
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