Embossed type separator for a storage battery

Details Embossed type separator for a storage battery Embossed type separator for a storage battery

1988-11-14

1991-07-30

Kalafut, Stephen J.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

429251, H07M 218

Patent

active

050359673

ABSTRACT:
The separator comprises an embossed, thin porous sheet of synthetic material and inorganic powder. The embossed pattern consists of a large number, e.g. 200 to 1300 per cm.sup.2, of spherical projections of equal height arranged in vertical and horizontal rows at regular intervals and forming spherical cavities on the opposite side. The projections on one side are shifted from those on the opposite side so that there are alternating rows of projections and cavities on each side. Gas discharging passages are formed by the lines of communicating cavities and valleys between adjacent projections.

REFERENCES:
patent: 4072802 (1978-02-01), Murata et al.
patent: 4153759 (1979-05-01), Murata et al.
patent: 4228225 (1980-10-01), O'Rell et al.
patent: 4369238 (1983-01-01), Hasegawa et al.
patent: 4430394 (1984-02-01), Bechtold

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