Electrode plate for an electrochemical cell and having a metal f

Details Electrode plate for an electrochemical cell and having a metal f Electrode plate for an electrochemical cell and having a metal f

1994-06-29

1996-05-21

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429235, H01M 404

Patent

active

055188400

ABSTRACT:
The electrode plate includes an active portion that is pasted with active material, and a plate head that is made up of three layers of compressed metal foam comprising: a non-pasted portion of height G of the support of the electrode plate; and two strips of non-pasted metal foam of height R on either side of the non-pasted portion of height G of the support and also extending for an overlap height h.sub.2 over the pasted portion of the support. The plate head includes a zone of reduced thickness including a portion that is maximally compressed, and a transitional portion between said maximally compressed portion and the remainder of the electrode which is of thickness e.sub.2. A portion of said plate head forms a connection tab. The method of obtaining the electrode consists in simultaneously rolling all three layers of metal foam in the plate head, and then in cutting matter away from the plates so as to obtain respective connection tabs.

REFERENCES:
patent: 2544112 (1951-03-01), Schneider
patent: 3314821 (1967-04-01), Lambert et al.
patent: 3702019 (1972-11-01), Pollack
patent: 5077153 (1991-12-01), Grange-Cossou et al.
patent: 5348823 (1994-09-01), Caillon et al.
Patent Abstracts of Japan, vol. 8, No. 107 (E-245) (1544) 19 May 1984 & JP-A-59 023 471 (Shinkoube Denki K.K.) 6 Feb. 1984.
Patent Abstracts of Japan, vol. 11, No. 359 (E-559) (2806) 21 Nov. 1987, & JP-A-62 133 670 (Matsushita Electric Ind Co. Ltd) 16 Jun. 1987.

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