Fig. 4: Dissolution of vanadium oxides and their degradation mechanism in full-cell system. | Nature Communications

Fig. 4: Dissolution of vanadium oxides and their degradation mechanism in full-cell system.

From: Corrosion as the origin of limited lifetime of vanadium oxide-based aqueous zinc ion batteries

Fig. 4

a Predominant V5+ species in aqueous solutions at 25 °C as a function of vanadium concentration and pH55. b Schematic illustration of pH change rate of electrolyte according to test conditions and its correlation with the formation of ZVO. c Schematic illustration of chemical degradation loop in an AZIB cell containing layer-VO.

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