Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1996-10-23
1998-07-14
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
429176, H01M 204
Patent
active
057801800
ABSTRACT:
The present invention provides a sealed alkaline storage battery comprising a container of polymer alloy mainly comprised of PPE and an olefin resin and containing PPE of 20-60 wt %, or a composite material of polymer alloy containing PPE and an inorganic powder of 5-50 wt %. Using this material as a container, it is possible to restrict decrease in an amount of electrolyte thereby providing a sealed alkaline storage battery having a long life, which is possible to guarantee a maintenance-free long life of 7-10 years.
REFERENCES:
patent: 4460663 (1984-07-01), Stutzbach et al.
patent: 5053296 (1991-10-01), Stocchiero
patent: 5478878 (1995-12-01), Nagaoka et al.
Hamada Shinji
Ikoma Munehisa
Okamoto Miho
Kalafut Stephen
Matsushita Electric - Industrial Co., Ltd.
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