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Ruthenium coated cathodes

  • US 3,974,058 A
  • Filed: 09/16/1974
  • Issued: 08/10/1976
  • Est. Priority Date: 09/16/1974
  • Status: Expired due to Term
First Claim
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1. In an electrolytic cell for the production of halogen and caustic from alkali metal halide solutions wherein the cell is equipped with anodes, cathodes, and means separating said anodes from said cathodes, the improvement which comprises a composite cathode comprising a metal substrate having thereon an intermediate coating of cobalt and an overcoating of ruthenium.

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