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• Uses

  1-Butyl-3-methylpyridinium bromide is a 1-alkyl-3-alkyl-pyridinium halide compound. 1-alkyl-3-alkyl-pyridinium halides can be used as bromine-complexing agents in aqueous zinc bromide solutions used in zinc/bromine rechargeable batteries (i.e., both membrane-equipped and membraneless zinc/bromine flow batteries). It has been found that complexes formed by using 1-alkyl-3-methylpyridinium bromide or mixtures thereof do not solidify at temperatures as low as 0°C or even -5°C, thereby maintaining the fluidity of electrolyte solutions with different compositions corresponding to different states of charge of the battery over a wide operating temperature range.;

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