Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Flat-type unit cell and specific unit cell components
Patent
1996-03-06
1996-11-19
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Flat-type unit cell and specific unit cell components
429172, 429174, H01M 208
Patent
active
055761178
ABSTRACT:
A flat-type cell comprising cup shaped positive and negative electrode cases, each having a cylindrical part with the negative electrode case being placed inside the positive electrode case with their cylindrical parts facing each other with a gasket in between, wherein the cylindrical part of the negative electrode case has its open edge folded outwardly to form U shaped section and its cylindrical part expanded outwardly, so that the inner volume of the negative electrode case is enlarged and the electrical capacity is improved with decreased self-discharge and electrolyte leakage.
REFERENCES:
patent: 4374909 (1983-02-01), Tucholski
patent: 4401733 (1983-08-01), Shirai et al.
patent: 4407914 (1983-10-01), Inoue et al.
patent: 4419420 (1983-12-01), Ishizaki
Daio Fumio
Morita Yoshinobu
Nakatsu Kenichi
Souma Naoko
Takahashi Norimasa
Matsushita Electric - Industrial Co., Ltd.
Skapars Anthony
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