Alkaline storage battery having an improved current collector ta

Details Alkaline storage battery having an improved current collector ta Alkaline storage battery having an improved current collector ta

1991-11-29

1993-08-24

Chaudhuri, Olik

Chemistry: electrical current producing apparatus, product, and

Plural concentric or single coiled electrode

429122, 429161, 429199, 429206, H01M 222

Patent

active

052387577

ABSTRACT:
An alkaline storage battery such as a sealed nickel-cadmium storage battery has an improved upper current collector tab welded to the terminal edge of a spirally wound electrode of a spirally coiled electrode assembly. The current collector tab comprises a current collecting tab and a lead tab. The current collecting tab is higher in electric resistance than the lead tab, so that the current collecting tab can easily be welded to the terminal edge of the electrode of the electrode assembly. The lead tab provides a low internal resistance to allow charging and discharging electric currents to flow easily for improved high-rate discharge performance of the battery.

REFERENCES:
patent: 4332867 (1982-06-01), Tsuda et al.
patent: 4529675 (1985-07-01), Sugalski
patent: 4554227 (1985-11-01), Takagaki et al.
patent: 5043235 (1991-08-01), Seefeldt et al.

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