Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1993-11-17
1995-12-26
Chaudhuri, Olik
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
429177, 429183, 429180, H01M 208
Patent
active
054786703
ABSTRACT:
A non-aqueous electrolyte electrochemical cell comprises a negative electrode, a positive electrode, a non-aqueous electrolyte, a positive electrode case and a negative electrode case. The positive electrode case comprises a high-grade corrosion resistibility stainless steel having a pitting index between 30.5 and 45, the pitting index being calculated by the formula Cr %+3.times.Mo %+16.times.N %. An enhanced pressure sealed electrochemical cell can be manufactured in which the production cost of the positive electrode case is reduced and the productivity of the electrochemical cell improved by suppression of anodic oxidation of the positive electrode case.
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Harada Toyoo
Hayasaka Toyoo
Ohshida Junko
Sakai Tsugio
Chaudhuri Olik
Everhart C.
Seiko Electronic Components Ltd.
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