Fig. 1: Membranes in Zn-I FBs for electrochemical energy storage. | Nature Communications

Fig. 1: Membranes in Zn-I FBs for electrochemical energy storage.

From: Long-life aqueous zinc-iodine flow batteries enabled by selectively intercepting hydrated ions

Fig. 1: Membranes in Zn-I FBs for electrochemical energy storage.The alternative text for this image may have been generated using AI.

a Schematic illustration of Zn-I FBs battery for grid-scale energy storage. b Crossover of polyiodide (Ix−), side reaction, and severe water migration induced by pristine membranes leads to rapid cell failure of Zn-I FBs. c Alleviated crossover and water migration in Zn-I FBs using IMS-based membranes, where the volume of the posolyte and negolyte was maintained in balance. d The properties and performances of membranes with different subnanometer pores towards hydrated ionic size.

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