Plate-like current collector and method of producing the same

Details Plate-like current collector and method of producing the same Plate-like current collector and method of producing the same

1998-10-21

2000-08-01

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429243, 429244, 29 2, 296231, H01M 470

Patent

active

060964553

ABSTRACT:
A plate-like current collector and the method of producing the same, said collector comprising a metal foil having a plurality of bowl-like projections, each projection projecting downwardly from the front side thereof to the reverse side thereof and having a penetrated hole in the center of the projection, a turning peripheral portion of the central penetrated hole formed to curve upwardly to a level positioning beneath the front side of the metal foil, wherein the penetrated hole may be enlarged or contracted using the elastic deformation of the turning peripheral portion.

REFERENCES:
patent: 1752963 (1930-04-01), Pettinelli
patent: 2088596 (1937-08-01), Haunz
patent: 5498496 (1996-03-01), Sasaki
patent: 5543250 (1996-08-01), Yanagihara
patent: 5578398 (1996-11-01), Jenkins
patent: 5849430 (1998-12-01), Lee
patent: 5949637 (1999-09-01), Iwaida

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