Vitreous solid lithium cation conductive electrolyte

Details Vitreous solid lithium cation conductive electrolyte Vitreous solid lithium cation conductive electrolyte

1983-06-29

1984-08-14

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, H01M 618

Patent

active

044657463

ABSTRACT:
A solid state electrolyte for solid state cell systems comprising a vitreous lithium cation conductor of the composition SiS.sub.2, xLi.sub.2 S, yLiI where x is from 0.8 to 1.5, where y is from 0 to about 2 and wherein said composition has a conductivity of at least 0.75.times.10.sup.-4 ohm.sup.-1 cm.sup.-1 at 25.degree. C.

REFERENCES:
patent: 4042482 (1977-08-01), Shannon et al.
patent: 4331750 (1982-05-01), Malugani et al.
patent: 4397924 (1983-08-01), Rea et al.
Barrou et al., Sulfide Glasses: Glass Forming Region Structure and Ionic Conduction of Glasses In Ha.sub.2 's-XS.sub.2 (X=Si; Ge), Na.sub.2 S-P.sub.2 S.sub.5 and Li.sub.2 S-GeS.sub.2 Systems Journal of Non Crystalline Solids 38 to 39 (1980), 271-276.
Kawamoto et al., Silver Diffusion in As.sub.2 S.sub.3 -Ag.sub.2 S, GeS.sub.2 -GeS-Ag.sub.2 S, and P.sub.2 S.sub.5 -Ag.sub.2 S Glasses--Physics and Chemistry of Glasses, vol. 18, No. 1, Feb. 1977.
Higgins, Recent Results on Lithium Ion Conductors--Electrochimica Acta, 1977, vol. 22, pp. 773-781.
Ribes et al., Synthese, Structure et Conduction Ionique de Noveaux Verres a Base de Sulfures, Revue de Chimie Minerale, t 16, 1979, p. 339.

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