Chemistry: electrical current producing apparatus – product – and – Having earth feature
Patent
1981-09-17
1983-10-18
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Having earth feature
429 42, 29623, 75213, H01M 486
Patent
active
044106076
ABSTRACT:
A porous sintered plaque is provided with a bimodal porosity that is especially well suited for use as an electrode within a molten carbonate fuel cell. The coarse porosity is sufficient for admitting gases into contact with the reaction surfaces while the fine porosity is wetted with and retains molten electrolyte on the reaction sites. The electrode structure is prepared by providing a very fine powder of such as nickel oxide and blending the powder with a suitable decomposable binder to form a solid mass. The mass is comminuted into agglomerate size particles substantially larger than the fine oxide particles and formed into a cohesive compact for subsequent sintering. Sintering is carried out at sufficient conditions to bind the agglomerates together into a porous structure having both coarse and fine porosity. Where lithiated nickel oxide cathodes are prepared, the sintering conditions can be moderate enough to retain substantial quantities of lithium within the electrode for adequate conductivity.
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Arons Richard M.
Dusek Joseph T.
Besha Richard G.
Fisher Robert J.
Glenn Hugh W.
Skapars Anthony
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