Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Intracell assembly having cell electrode connector
Patent
1998-02-23
2000-01-04
Nuzzolillo, Maria
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Intracell assembly having cell electrode connector
429 94, 429208, 429246, H01M 226, H01M 400, H01M 1016, H01M 218
Patent
active
060108010
ABSTRACT:
A cylindrical storage battery has a spirally coiled electrode plate assembly in which the shape of the current collector welded to the end part of the electrode plate assembly and the crossing parts of the rib-formed projections of the current collector and the electrode plate terminal edges are welded with sufficient strength to permit a high-rate charge and discharge. A storage battery having a spirally coiled electrode plate assembly includes a positive electrode plate, a negative electrode plate, a separator, and rectangular current collectors, respective ones of which are welded respectively to terminal edges of the electrodes respectively projecting outward from the upper and the lower end planes of the electrode assembly. The current collector welded to the end part of the electrode plate assembly has a flat plate part provided with rectangular cutout parts, in a radial manner and with equal intervals therebetween at four places, and which extend from the neighborhood of the center to the outer peripheral edge of the plate part, and rib-formed projections which are formed integrally, bent downward, at the two opposed edge parts of the respective cutout parts and are made to cross the terminal edge of the electrode plate and are welded thereto.
REFERENCES:
patent: 3732124 (1973-05-01), Cailley
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patent: 4053687 (1977-10-01), Coibion et al.
patent: 4332867 (1982-06-01), Tsuda et al.
patent: 4767682 (1988-08-01), Dorogi et al.
patent: 4963446 (1990-10-01), Roels et al.
patent: 5043235 (1991-08-01), Seefeldt et al.
patent: 5238757 (1993-08-01), Suzuki et al.
Eguchi Toshihide
Nakamaru Hisao
Onishi Masato
Suzuki Norio
Dove Tracy
Matsushita Electric - Industrial Co., Ltd.
Nuzzolillo Maria
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