Ceramic green sheet for porous layer, electrochemical element us

Details Ceramic green sheet for porous layer, electrochemical element us Ceramic green sheet for porous layer, electrochemical element us

1991-03-08

1992-12-15

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Pore-forming

501103, 501127, 501134, C04B 3806

Patent

active

051717212

ABSTRACT:
A ceramic green sheet which is fired to give a porous ceramic structure, and which is formed of a composition which principally consists of a ceramic powder, a binder, and a multiplicity of planar or elongate flakes which disappear upon application of heat, and which are oriented in the ceramic green sheet in a direction substantially parallel to opposite major surfaces of the green sheet. Also disclosed is an electrochemical element having a protective layer covering at least one electrode, which layer is prepared from the ceramic green sheet indicated above, and has a multiplicity of planar or elongate pores corresponding to the planar or elongate flakes included in the green sheet. A method of producing the electrochemical element is also disclosed.

REFERENCES:
patent: 4221594 (1980-09-01), Greskovich
patent: 4240891 (1980-12-01), Bannister
patent: 4735666 (1988-04-01), Mase et al.
patent: 4900698 (1990-02-01), Lundsager
patent: 4937214 (1990-06-01), Morita et al.
patent: 4973435 (1990-11-01), Jain et al.
patent: 5017522 (1991-05-01), Hegedus

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