Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Patent
1990-09-14
1996-06-11
Nelson, Peter A.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
429212, 429249, H01M 614
Patent
active
055254420
ABSTRACT:
An alkali metal battery has an alkali metal anode such as lithium in an organic anolyte and a cathode in an aqueous catholyte. An ion conductive diaphragm allows ions to migrate between the anolyte and the catholyte while limiting the transport of water from the catholyte to the anolyte.
In a preferred embodiment, the ion conductive diaphragm is nonporous so that there is no transport of water ion to the anolyte.
The battery is particularly useful for long durations of up to a week or longer in seawater.
REFERENCES:
patent: 3980498 (1976-09-01), Urbach et al.
patent: 4251607 (1981-02-01), Yamaki et al.
patent: 4550064 (1985-10-01), Yen et al.
patent: 4554222 (1985-11-01), Zarcomb
patent: 4822698 (1989-04-01), Jackovitz et al.
F. G. Will et al., "Primary Sodium Batteries with Beta-Alumina Solid Electrolyte", J. Electrochemical Society: Electrochemical Science and Technology; vol. 122, No. 4, Apr., 1975, pp. 457-461.
Will et al, Primary Sodium Batteries-Electrolyte, J. Electrochemical Soc., Apr., 1975, pp. 457-461.
Nelson Peter A.
Westinghouse Electric Corporation
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