Solid electrolyte for electromechanical cells and method for the

Details Solid electrolyte for electromechanical cells and method for the Solid electrolyte for electromechanical cells and method for the

1977-12-19

1980-09-30

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

296231, H01M 618

Patent

active

042256569

ABSTRACT:
Electrochemical cells are provided having solid electrolytes of enhanced conductivity at low temperatures. These electrolytes comprise binary and ternary mixtures of salts having the compositions--M.sub.2 SO.sub.4 --(Me).sub.x SO.sub.4 or M.sub.2 SO.sub.4 --(Me).sub.x SO.sub.4 .dbd.MyX, respectively where M is--an ion of an alkali metal, Ag, or a mixture thereof, Me is an ion of a divalent metal or Ag, x is 1 or 2, x being 1 when Me is a divalent metal ion and 2 when Me is Ag, X is a halogen or sulfate ion, and y is 1 or 2, y being 1 when X is halogen and 2 when X is sulfate. In addition to having a high conductivity at lower operating temperatures, the phases are stable at least 100.degree. C. above the transformation points.

REFERENCES:
patent: 2852591 (1958-09-01), Ruben
patent: 3201736 (1965-08-01), Ovshinsky
patent: 3506492 (1968-05-01), Buzzelli et al.
patent: 3726718 (1973-04-01), Mellors

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