Insoluble heavy metal polysulfide cathodes

Details Insoluble heavy metal polysulfide cathodes Insoluble heavy metal polysulfide cathodes

1983-04-01

1984-11-06

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429220, 429221, 429223, 429218, H01M 452, H01M 616

Patent

active

044812671

ABSTRACT:
Heavy metal polysulfides which are insoluble in non-aqueous electrolytes and having the formula M.sub.x.sup.m (S.sub.y) .sub.z.sup.-2 (wherein M is a heavy metal such as iron, cobalt, copper or nickel; S is sulfer; mx=2z; and y is greater than two) are utilized as very high energy density cathodes in non-aqueous electrochemical cells.

REFERENCES:
patent: 4233375 (1980-11-01), Whittingham et al.
patent: 4237204 (1980-12-01), Thompson et al.
patent: 4302520 (1981-11-01), Evans et al.

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