Current collector for AMTEC

Details Current collector for AMTEC Current collector for AMTEC

1987-08-06

1989-10-03

Kalafut, Stephen J.

Chemistry: electrical current producing apparatus, product, and

Current production dependent upon temperature differential...

429 50, 429104, 429112, H01M 636, H01M 1044

Patent

active

048716260

ABSTRACT:
An electrode having higher power output is formed of an open mesh current collector such as expanded nickel covering an electrode film applied to a tube of beta-alumina solid electrolyte (BASE). A plurality of cross-members such as spaced, parallel loops of molybdenum metal wire surround the BASE tube. The loops are electrically connected by a bus wire. As the AMTEC cell is heated, the grid of expanded nickel expands more than the BASE tube and the surrounding loop of wire and become diffusion welded to the electrode film and to the wire loops.

REFERENCES:
patent: 3932195 (1976-01-01), Evans et al.
patent: 4452777 (1984-06-01), Abraham et al.
patent: 4510210 (1985-04-01), Hunt
patent: 4675257 (1987-06-01), Winchester

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