Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1997-02-19
1998-10-27
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
429 53, H01M 202
Patent
active
058276211
ABSTRACT:
A sealed and prismatic storage battery characterized by such features as a high volumetric energy density, high compressivity and the like is provided. A battery case has an inner surface and an outer surface of each respective corner section formed of a curvature. The thickness of the corner section is 2.5 mm, a radius of curvature of the outer surface is 5.0 mm, a radius of curvature of the inner surface is 2.5 mm, and a thickness of a small thickness section between the corner section and the flat plane section is 2.0 mm. The position of the thinnest wall section coincides with a position where the radius of a circular arc forming the inner surface of the corner section crosses perpendicularly the outer side surface of the battery case.
REFERENCES:
patent: 3816181 (1974-06-01), Buckenthal
patent: 5131559 (1992-07-01), Ariyoshi et al.
patent: 5425913 (1995-06-01), Strauven et al.
patent: 5510203 (1996-04-01), Hamada et al.
patent: 5556722 (1996-09-01), Narukawa et al.
Hamada Shinji
Ikoma Munehisa
Morishita Nobuyasu
Okamoto Miho
Kalafut Stephen
Matsushita Electric - Industrial Co., Ltd.
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