Sodium ion conducting glasses and batteries embodying glasses

Details Sodium ion conducting glasses and batteries embodying glasses Sodium ion conducting glasses and batteries embodying glasses

1981-11-04

1983-03-01

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

Active material in molten state

429193, 501 66, H01M 1039

Patent

active

043755038

ABSTRACT:
Sodium ion conducting glasses are disclosed that have a resistivity not over 10.sup.5 ohm cm. at 300.degree., are resistant to corrosive attack by liquid sodium, resist devitrification, are resistant to moisture, and are composed essentially of soda, alumina, silica, and boric oxide. The glasses are particularly useful in forming membranes to separate electrolytes in electrochemical cells such as the sodium-sulfur battery.

REFERENCES:
patent: 4069372 (1978-01-01), Voinov
patent: 4190500 (1980-02-01), Booth
patent: 4237196 (1980-12-01), Gutmann et al.

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