Chemistry: electrical and wave energy – Processes and products
Patent
1985-05-02
1986-12-23
Tufariello, T. M.
Chemistry: electrical and wave energy
Processes and products
204 385, 204 387, C25D 548
Patent
active
046311181
ABSTRACT:
A low resistance electrical connection is disclosed to connect two dissimilar electroconductive materials, one of which is a fiber, bundle of fibers or a film of an electroconductive polymer, carbon or graphite to an electroconductive metal collector. The connection is achieved by electroplating at an initial low current density the edge ends of a fiber or bundle of fibers or the edges of a cloth or film with an electroconductive metal, e.g. copper, silver and the like; thereafter crimping a fine electroconductive wire mesh onto said plated area and then continuing the said plating process until the wire mesh or gauze is substantially encapsulated with said electroplated metal. Alternative, the electroplated fiber ends may be joined by solder, as by dipping the ends or edges into a molten solder bath or laying a bead of solder substantially onto the copper plated edge of the fiber, bundle, cloth or film. Such practice ensures the electroconductive polymer, carbon or graphite end or edge will be intimately bound to the electroconductive metal forming the collector or frame.
In many instances it is necessary that the collector metal and/or frame be insulated both electrically and chemically from contact with the environment into which the electroconductive polymer, graphite, carbon and the like is to be used. A procedure is described for protecting the collector frame when placed in hostile environment service.
REFERENCES:
patent: 4401519 (1983-08-01), Kadija
patent: 4421609 (1983-12-01), Gerard
McCullough Francis P.
Snelgrove Roy V.
The Dow Chemical Company
Tufariello T. M.
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