Chemistry: electrical current producing apparatus – product – and – Deferred action type – Responsive to heat
Patent
1986-06-10
1988-03-15
Hearn, Brian E.
Chemistry: electrical current producing apparatus, product, and
Deferred action type
Responsive to heat
429221, 423138, 4231795, 423511, H01M 636, C01B 1700
Patent
active
047313072
ABSTRACT:
In a method for preparing lithiated, particulate FeS.sub.2 useful as a catholyte material in a lithium thermal battery, whereby the latter's voltage regulation properties are improved, comprising admixing FeS.sub.2 and an amount of a lithium-containing compound whereby the resultant total composition falls in an invariant region of the metallurgical phase diagram of its constituent components, an improvement comprises admixing said lithium-containing compound and FeS.sub.2 together with a solid electrolyte compatible with said catholyte, and heating the mixture at a temperature above the melting point of said electrolyte and at which said mixture reaches its thermodynamic equilibrium number of phases.
REFERENCES:
patent: 3907589 (1975-09-01), Gay et al.
patent: 4006034 (1977-02-01), Shimotake et al.
patent: 4164069 (1977-08-01), Tomczuk
Searcy et al, Sandia, 80-0423, Report 5/1980.
Baldwin, Sandia, 83-0863, Report 8/1984.
Bysk, Sandia, 79-0470, Report 6/1979.
Searcy, Sandia, 80-2341, Report 2/1981.
Chafin James H.
Hearn Brian E.
Hightower Judson R.
Kalafut Stephen J.
McMillan Armand
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