Electrochemical cell

Details Electrochemical cell Electrochemical cell

1994-08-02

1995-12-05

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Cell enclosure structure, e.g., housing, casing, container,...

429103, 429104, 429164, H01M 1030, H01M 214

Patent

active

054728061

ABSTRACT:
A high temperature rechargeable electrochemical cell has a housing containing an anode and a cathode, and divided by a sodium ion-conducting solid electrolyte separator into an anode compartment and a cathode compartment, containing respectively molten sodium active anode material and active cathode material. The separator is tubular, having a closed end and an open end, and a plurality of circumferentially spaced radially outwardly projecting ribs or lobes. The housing is a tubular canister which is polygonal in cross-section, so that it has a plurality of circumferentially spaced corners corresponding in number to the number of lobes of the separator. The separator is concentrically located in the housing, each lobe of the separator being circumferentially aligned with, and projecting radially from the separator towards, one of said corners.

REFERENCES:
patent: 4405696 (1983-09-01), Fischer et al.
patent: 4722875 (1988-02-01), Wright
patent: 4910105 (1990-03-01), Tilley et al.
patent: 5279908 (1994-01-01), Bones et al.
patent: 5340668 (1994-08-01), Redey et al.
Search Report, GB 9415583.5, dated 23 Sep. 1994.

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