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Aqueous redox flow batteries featuring improved cell design characteristics

  • US 10,164,284 B2
  • Filed: 06/01/2016
  • Issued: 12/25/2018
  • Est. Priority Date: 07/27/2012
  • Status: Active Grant
First Claim
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1. A liquid aqueous solution comprising:

  • two or more different redox active metal ligand coordination compounds having an overall solution concentration of the two or more different redox active metal ligand coordination compounds in a range of from 0.5 M to 2 M;

    wherein each of the two or more different redox active metal ligand coordination compounds contains a different combination of metal ion and coordinated ligands; and

    whereinat least one of the two or more different redox active metal ligand coordination compounds contains at least one catecholate ligand.

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