Method for improving wettability of high temperature cell separa

Details Method for improving wettability of high temperature cell separa Method for improving wettability of high temperature cell separa

1979-11-07

1980-12-30

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer, spacer or materials for use therewith

429112, 429250, 4271261, 427226, 296231, H01M 216

Patent

active

042424275

ABSTRACT:
Separators for electrochemical high temperature cells with molten electrolytes, particularly consisting of the raw materials boron nitride or aluminum nitride, become better wettable through treatment with boron trifluoride. Preferably the separator, e.g. a BN fabric, may be sprinkled with a BF.sub.3 yielding material, e.g. KBF.sub.4 and activated through brief heating to about 400.degree. C.

REFERENCES:
patent: 3510359 (1970-05-01), Selover, Jr. et al.
patent: 4189827 (1980-02-01), Eberhart

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