Iron complexes with phosphonate-based ligands as RFB anolyte materials
AssigneeBattelle Memorial Institute
InventorsAaron M. Hollas, Guosheng Li, Minyuan Mil Li, Qian Huang, David M. Reed, Vincent L Sprenkle
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Abstract
An anolyte for a redox-flow battery (RFB) comprising a metal-ion complex and a phosphonate-based ligand having a phosphonic group wherein the phosphonic acid group is directly coordinated to a metal-ion.
Claims17
An anolyte for a redox-flow battery (RFB) comprising a metal-ion complex and a phosphonate-based ligand having a phosphonic group wherein the phosphonic acid group is directly coordinated to a metal-ion in solution, wherein the phosphonate-based ligand to metal ratio is between 1-3:1 and within pH range of 6-11, and the anolyte remains stable for repeated charge-discharge cycles and ionic balance.
Dependencies are inferred from the claim text.