Glass sealing materials for sodium-sulfur batteries and batterie

Details Glass sealing materials for sodium-sulfur batteries and batterie Glass sealing materials for sodium-sulfur batteries and batterie

1991-03-11

1992-10-27

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

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

Active material in molten state

429185, 501 49, 296232, H01M 1039

Patent

active

051588404

ABSTRACT:
A glass composition having a composition between about 18 and about 23 mole % Na.sub.2 O, about 3 to about 7 mole % Cs.sub.2 O, the balance being B.sub.2 O.sub.3 is adaptable to match the thermal expansion coefficient of a beta"-Al.sub.2 O.sub.3 solid electrolyte when used to bond and seal the solid electrolyte to a porous support plate (22) in a sodium-sulfur battery (10).

REFERENCES:
patent: 4291107 (1981-09-01), Barry et al.
patent: 4311772 (1982-01-01), Herczog
patent: 4419418 (1983-12-01), Knodler et al.
patent: 4590136 (1986-05-01), Buehler et al.
patent: 4977044 (1990-12-01), Ludwig

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