Chemistry: electrical current producing apparatus – product – and – Having specified venting – feeding or circulation structure – Having means to control electrolyte level when liquid is...
Patent
1988-09-14
1990-01-16
Kalafut, Stephen J.
Chemistry: electrical current producing apparatus, product, and
Having specified venting, feeding or circulation structure
Having means to control electrolyte level when liquid is...
429 35, 429175, H01M 400
Patent
active
048942952
ABSTRACT:
A metal-air battery has a base for containing the active battery materials and a lid located on top of and fitted with the base. The flexible bottom surface of the base is curved to permit an expansion of the battery container during battery discharge. The air cathode is retained by a ledge in the base as well as by channels in the lid to prevent separation between the electrolyte and the air cathode membrane during battery discharge. An air chamber housing having inlet and outlet air ducts is located above the air cathode membrane for continuous air flow and optimal battery operation. The air ducts are sealed during storage to extend the shelf life of the battery.
REFERENCES:
patent: 3697326 (1972-10-01), Jammet
patent: 4063007 (1977-12-01), Spiegelberg
patent: 4262062 (1981-04-01), Zatsky
patent: 4557983 (1985-12-01), Sauer
patent: 4687714 (1987-08-01), Oltman et al.
Jacobs Marvin E.
Kalafut Stephen J.
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