Bipolar electrode for batteries

Details Bipolar electrode for batteries Bipolar electrode for batteries

1993-03-24

1994-09-06

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Having specified venting, feeding or circulation structure

Venting structure

429210, 29 2, H01M 212, H01M 470

Patent

active

053447239

ABSTRACT:
Bipolar electrode is provided with a conductive support/separator perforated on a part which is free from active material with at least one opening which communicates by a gaseous environment in a battery between elements assembled in series. The opening prevents the passage of electrolyte from one conductive support/separator to another, and may include an advantageously hydrophobic material, which also contains an opening therethrough, and is arranged on at least one side of the opening. The bipolar electrodes are particularly applicable to sealed batteries.

REFERENCES:
patent: 1376923 (1921-05-01), Dean
patent: 1907911 (1933-05-01), Wallace et al.
patent: 3795543 (1974-03-01), Poe
patent: 4125680 (1978-11-01), Shropshire et al.
patent: 4267243 (1981-05-01), Park et al.
patent: 5068160 (1991-11-01), Clough et al.
Derwent English Language Abstract of German Patent No. 2,706,310 (Aug. 1978).
English Language Translation of Claims 1-3 of German Patent No. 2,706,310 (Aug. 1978).
Patents Abstracts of Japan, vol. 11, No. 254 (E-533) (2701) Aug. 1987.
French Search Report Oct. 1992.

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