CPC H01M 8/188 (2013.01) [H01M 8/02 (2013.01); H01M 8/0239 (2013.01); H01M 8/08 (2013.01); H01M 2300/0002 (2013.01); H01M 2300/0028 (2013.01)] | 14 Claims |
1. A redox flow battery electrolyte comprising A) a polar solvent, and B) from about 1 to about 50 wt.% 2,5-dimercapto-1,3,4-thiadiazole derivatives represented by formula I:
where
each “X,” individually, is an alkali or alkaline earth metal, a trialkyl amine, or a quaternary amine, or H;
“m” is 1, 2 or 3, and
“n” is 1 or 2; and
where “Y” is:
“R,” a linear, branched, saturated or unsaturated, or cyclic C1 to C12 alkyl or aryl group;
“[RO]oR,” where “o” is an integer from 1 to 100;
“R[OH]pA,” where “p” is an integer from 1 to 6 and “A” is H or an amine;
or
a carboxylate or carboxamide group,
wherein, when n is 2, X is absent.
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