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Fluid-surfaced electrode

  • US 8,974,939 B2
  • Filed: 10/20/2009
  • Issued: 03/10/2015
  • Est. Priority Date: 07/29/2009
  • Status: Active Grant
First Claim
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1. An electrochemical device, comprising:

  • two electrodes including a cathode and an anode; and

    an electrolyte that is separate and distinct from the two electrodes and is arranged to conduct an ionic current from a first electrolyte surface in contact with one of the electrodes to a second electrolyte surface in contact with the other electrode, wherein the cathode includes a first electrochemically active fluid layer that is disposed over and clings to a first microfeatured fluid-directing structure arranged to engage the electrolyte, wherein the anode includes a second electrochemically active fluid layer that is disposed over and clings to a second microfeatured fluid-directing structure arranged to engage the electrolyte, wherein at least one of the first microfeatured fluid-directing structure and the second microfeatured fluid-directing structure is configured to direct at least one of the first electrochemically active fluid layer according to a first predetermined flow pattern and the second electrochemically active fluid layer according to a second predetermined flow pattern, and wherein the electrolyte includes a reaction product of at least a portion of the cathode with at least a portion of the anode.

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