Patent ID: 8986862
Filing Date: 2015-03-24
Classification: B60L,H01M,Y02E,Y02T

Abstract:
1. A redox flow battery comprising: a positive electrode cell comprising a positive electrode and a catholyte solution; a negative electrode cell comprising a negative electrode and an anolyte solution; and an ion exchange membrane interposed between the positive electrode cell and the negative electrode cell, wherein the catholyte solution and the anolyte solution each comprises a non-aqueous solvent, a supporting electrolyte, and at least one metal-ligand coordination compound; at least one of the metal-ligand coordination compounds containing an aliphatic ligand, wherein the aliphatic ligand comprises an aliphatic amine type or an aliphatic oxide type ligand, and the aliphatic amine type ligand is at least one selected from the group consisting of N,N′-bis(2-aminoethyl)propane-1,3-diamine, 1,4,8,11-tetraazacyclotetradecane, 3,7-bis(2-aminoethyl)-1,3,5,7-tetraazabicyclo[3.3.1]nonane, and 1,3,6,8,10,13,16,19-octaazabicyclo[6.6.6]eicisane.