Nonaqueous electrolyte secondary battery

Details Nonaqueous electrolyte secondary battery Nonaqueous electrolyte secondary battery

1998-03-27

2000-03-21

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429 94, 429161, 429233, H01M 226, H01M 1004

Patent

active

060400862

ABSTRACT:
A nonaqueous electrolyte secondary battery according to the present invention has a power-generating element and a collector. The power-generating element is provided with a portion where a negative electrode plate and a positive electrode plate are not opposed to each other. In the power-generating element, the electrode plates are wound or laminated through a separation body so that the side edge portion of one of the electrode plates protrudes from that of the other. The collector is connected to the side edge portions. The collector has a plurality of grooves bonded to the side edges of the electrode plates. The bonding is made by at least one of a welding method such as ultrasonic welding method, laser welding method, electric welding method, arc welding method and plasma arc welding method, and a mechanical joint using a rivet, pin or eyelet, or by deforming under pressure the collector to crimp.

REFERENCES:
patent: 3732124 (1973-05-01), Cailley
patent: 3960603 (1976-06-01), Morioka
patent: 4554227 (1985-11-01), Takagaki
Patent Abstracts of Japan vol. 007, No. 229, (E-203), Oct. 12, 1983 & JP 58 119154 A (Yuasa Denchi KK) Jul. 15, 1993 *Abstract.
Database WPI Section Ch, Week 9827 Derwent Publications Ltd., London, GB; Class L03, AN 98-303151 XP002071780 & JP 10 106 536 A (Japan Storage Battery Co Ltd) *Abstract, Apr. 1998.

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