Electrode for electrochemical cell
This patent describes the method of fabricating a flexible positive electrode for a rechargeable non-aqueous electrochemical cell. It comprises: mixing a quantity of a metal halide active electrode material and a quantity of a conductive carbonaceous material to provide a mixture consisting essentially of the metal halide and the conductive carbonaceous material. The metal halide is selected from the group consisting of cupric chloride, nickel, chloride, silver chloride, cobalt chloride and chromium chloride; adding a quantity of a mechanical binder which is inert in the electrochemical cell to the mixture; mixing to provide a uniform mixture of the ingredients; adding a quantity of non-aqueous liquid which is a volatile halogenated organic solvent to the mixture, the metal halid having a low solubility in the liquid and being inert with respect to the liquid whereby there is no chemical reaction between the metal halid and the liquid; mixing to provide a uniform, viscous slurry consisting essentially of the metal halid, the conductive carbonaceous material, the mechanical binder, and the non-aqueous liquid; pasting the slurry on an inert, electrically-conductive substrate; drying the pasted slurry; and curing the dried slurry for a time sufficient to remove substantially all of the liquid and to stabilize the mechanical binder thereby providing a positive electrode structure.
- Assignee:
- Whittaker Technical Products, Inc., Pawcatuck, CT (USA)
- Patent Number(s):
- US 4940605; A
- Application Number:
- PPN: US s 6-872325
- OSTI ID:
- 6544675
- Resource Relation:
- Patent File Date: 9 Jun 1986
- Country of Publication:
- United States
- Language:
- English
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