Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1985-11-04
1986-09-02
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
429181, 429185, H01M 232
Patent
active
046095985
ABSTRACT:
A hermetically sealed electrochemical cell system of the Li/MnO.sub.2, Li/SO.sub.2, Li/C.sub.2 F or Li/CF.sub.x type having its lithium anode electronically connected to the cell housing thereby rendering the housing the anodic terminal of the cell. A terminal pin extends into the housing and is electronically insulated therefrom by a glass-to-metal hermetic seal. All metal components of the cell electronically connected to the cathode including the terminal pin and cathode collector are made of a non-ferrous metal such as molybdenum to decrease the deposition of a conductive corrosive material on the glass-to-metal seal and resulting corrosion of the seal, thereby increasing the shelf life of the cell.
REFERENCES:
patent: 4168351 (1979-09-01), Taylor
patent: 4233372 (1980-11-01), Bro et al.
patent: 4308323 (1981-12-01), Bowsky
patent: 4556613 (1985-12-01), Taylor et al.
Sandia Report No. 2314, "Glass Corrosion in Liquid Lithium", printed Sep. 1984.
Chaney Earl J.
Tucholski Gary R.
O'Brien C. F.
Union Carbide Corporation
Walton Donald L.
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