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Method for electrodeposition on a conductive particulate substrate

  • US 10,443,144 B2
  • Filed: 02/18/2015
  • Issued: 10/15/2019
  • Est. Priority Date: 08/14/2014
  • Status: Active Grant
First Claim
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1. A method of electrodepositing a metal on an electrically conductive particulate substrate comprising the steps of:

  • providing a cathode that is distinct from the particulate substrate;

    providing an anode formed from the metal to be electrodeposited;

    providing a separator between the anode and the cathode, the separator being a semipermeable membrane that is porous to an electrolyte and to the metal ions, but not to the particulate substrate, the separator being configured to maintain the particulate substrate within a substrate volume proximate to the cathode;

    providing the particulate substrate within the substrate volume at a concentration that is in a range of from 0.0001 vol % to 5 vol %, where vol % refers to a percentage of the substrate volume that is occupied by the particulate substrate;

    locating the substrate, cathode and anode within an electrodeposition bath comprising the electrolyte; and

    applying a voltage between said anode and cathode, thereby causing metal ions to flow from the anode to the cathode.

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