Compositions – Compositions containing a single chemical reactant or plural...
Patent
1977-12-14
1978-12-19
Padgett, Benjamin R.
Compositions
Compositions containing a single chemical reactant or plural...
75147, 75168B, 429103, 429188, 429218, H01M 440, H01M 446
Patent
active
041305000
ABSTRACT:
A negative electrode composition is presented for use in a secondary, high-temperature electrochemical cell. The cell also includes a molten salt electrolyte of alkali metal halides or alkaline earth metal halides and a positive electrode including a chalcogen or a metal chalcogenide as the active electrode material. The negative electrode composition includes up to 50 atom percent lithium as the active electrode constituent and a magnesium-aluminum alloy as a structural matrix. Various binary and ternary intermetallic phases of lithium, magnesium, and aluminum are formed but the electrode composition in both its charged and discharged state remains substantially free of the alpha lithium-aluminum phase and exhibits good structural integrity.
REFERENCES:
patent: 3488221 (1970-01-01), Shimotake et al.
patent: 3876474 (1975-04-01), Watts et al.
patent: 3957532 (1976-05-01), Settle et al.
patent: 3966490 (1976-06-01), Auborn
patent: 4002492 (1977-01-01), Rao
patent: 4011372 (1977-03-01), Tomczuk
Melendres Carlos A.
Siegel Stanley
Carlson Dean E.
Glenn Hugh W.
Gluck Irwin
Jackson Frank H.
Padgett Benjamin R.
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