Method for producing a spiral electrodes

Details Method for producing a spiral electrodes Method for producing a spiral electrodes

1994-01-27

1995-12-26

Kalafut, Stephen

Metal working

Method of mechanical manufacture

Electrical device making

429 94, 429143, H01M 218

Patent

active

054783623

ABSTRACT:
A method of producing a spiral electrode group comprising a step for preparing a beltlike positive electrode plate whose thickness and width PT are PW respectively, a beltlike negative electrode plate whose thickness and width are NT and NW respectively, a beltlike first separator whose width is longer than PW+2PT, and a beltlike second separator whose width is longer than NW+2NT; a second step of making a set of the first separator and the positive electrode plate by putting a central part of the first separator and a surface of the positive electrode plate together, and by putting each horizontal end of the first separator and each side surface of the positive electrode plate together; a third step of making a set of the second separator and the negative electrode plate by putting a central part of the second separator and a surface of the negative electrode plate together, and by putting each horizontal end of the second separator and each side surface of the negative electrode plate together; and a fourth step of spirally winding the set of the first separator and the positive electrode plate with the set of the second separator and the negative electrode plate in a longitudinal direction of the positive and the negative electrode plate.

REFERENCES:
patent: 3761314 (1973-09-01), Cailley
patent: 4663247 (1987-05-01), Smilanich et al.
patent: 4668320 (1987-05-01), Crabtree
patent: 4709472 (1987-12-01), Machida et al.
patent: 4999906 (1991-03-01), van Beek et al.
patent: 5116698 (1992-05-01), Sears

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