Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1998-06-05
2000-11-07
Nuzzolillo, Maria
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
429 56, 429 73, 429 94, 429175, H01M 204, H01M 206, H01M 212, H01M 236, H01M 610
Patent
active
061434426
ABSTRACT:
A prismatic battery having high volumetric efficiency and good airtightness is achieved. The prismatic battery comprises a prismatic battery can, a power-generating element inserted into the prismatic battery can, which power-generating element is obtained by winding a belt form of positive electrode sheet and a belt form of negative electrode sheet with a separator interleaved therebetween, and an electrode header for sealing the prismatic battery can. The electrode header comprises a metal sheet having through-hole in a portion recessed in an upper surface thereof, through which an electrical connecting terminal passes, and insulating sheets provided on upper and lower surfaces of the recessed portion for making insulation between the metal sheet and the electrical connecting terminal. The electrical connecting terminal is crimped for fixation to the metal sheet, and is electrically connected to one electrode sheet of the power-generating element. The electrode header is sealed and fixed to the prismatic battery can at a position where the upper surface of the electrode header is flush with an upper end of the prismatic battery can.
REFERENCES:
patent: 5443925 (1995-08-01), Machida et al.
patent: 5569553 (1996-10-01), Smesko et al.
patent: 5783326 (1998-07-01), Hasebe
patent: 5834133 (1998-11-01), Narukawa et al.
patent: 5985478 (1999-11-01), Kim
Endo Takayuki
Takahashi Hiroshi
Watanuki Yuji
Nippon Moli Energy Corp.
Nuzzolillo Maria
Tsang Susy
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