Preparation of polymer-impregnated battery separator material an

Details Preparation of polymer-impregnated battery separator material an Preparation of polymer-impregnated battery separator material an

1994-03-21

1994-11-29

Skapars, Anthony

Metal working

Method of mechanical manufacture

Electrical device making

427352, 427421, H01M 214

Patent

active

053686144

ABSTRACT:
An electrochemical cell (56) is made by furnishing an anode (52) and a cathode (54), preparing a separator (58), and placing the separator (58) between the anode (52) and the cathode (54). The separator (58) is prepared by furnishing a sheet of a porous separator substrate (40), preparing a solution of a water insoluble polymer in an organic solvent, spraying the solution onto both sides of the separator substrate (40), spraying water onto both sides of the separator substrate (40), and drying the separator substrate (40).

REFERENCES:
patent: 3873368 (1975-03-01), Pickett
patent: 4233347 (1980-11-01), Lim et al.
patent: 4820597 (1989-04-01), Lim et al.
patent: 4935318 (1990-06-01), Ikoma et al.
patent: 5108851 (1992-04-01), Furukawa et al.
Hong S. Lim et al., "Separator Evaluation in Nickel Cadmium Alloys" seven page manuscript submitted to IECEC-90, Aug. 1990.

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