Method of forming sodium beta-Al.sub.2 O.sub.3 solid materials

Details Method of forming sodium beta-Al.sub.2 O.sub.3 solid materials Method of forming sodium beta-Al.sub.2 O.sub.3 solid materials

1978-12-28

1980-06-17

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

264 66, H01M 200

Patent

active

042084750

ABSTRACT:
A liquid polymer is formed in a low temperature polymerization reaction involving organo-metallic sodium and aluminum compounds, at least one of which is partially hydrolyzed. The polymer is hydrolyzed, dried to form an amorphous sodium Beta-alumina precursor, and then heated, at between 1,200.degree. C. and about 1,550.degree. C., to form a ceramic, comprising ion-conductive sodium Beta-alumina which is useful as a solid electrolyte.

REFERENCES:
patent: 3895963 (1975-07-01), McGowan et al.
patent: 3959022 (1976-05-01), DeJonghe et al.
patent: 4082826 (1978-04-01), Iijima

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