NEW AQUEOUS ORGANIC-BASED ELECTROLYTE FOR REDOX FLOW BATTERY

Disclosed is an aqueous electrolyte for redox flow battery, including a compound of formula (I) and/or an ion of compound (I), and/or a salt of compound (I), and/or a reduced form of the anthraquinone member of compound (I), wherein: X, X, X, X, X, Xand Xare independently selected from the group consisting of a hydrogen atom, a linear, cyclic or branched, saturated or unsaturated, optionally substituted, hydrocarbon group including from 1 to 10 carbon atoms, a OH group and a —O-A-Rgroup, A representing a linear, cyclic or branched, saturated or unsaturated, optionally substituted, hydrocarbon group including from 1 to 10 carbon atoms; Rrepresenting COOH or SOH; wherein one and only one of X, X, X, X, X, Xand Xis OH, and wherein one and only one of X, X, X, X, X, Xand Xis —O-A-R.