Research progress in electrolyte and electrode materials for zinc-bromine batteries
Zinc-bromine batteries are suitable for distributed energy storage and household energy storage because of their low cost and long life.In this paper,the research on the battery structure,electrolyte and electrode materials of zinc-bromine batteries was comprehensively reviewed.The advantages and disadvantages of different battery structures were analyzed.The differences between electrolyte additives and electrode materials in improving electrolyte conductivity,inhibiting zinc dendrite generation,reducing self-discharge and battery charge and discharge performance were compared in detail.By comparing the cycle stability and charge-discharge efficiency of zinc-bromine batteries,the feasibility of different electrolyte additives and electrode materials in large-scale applications in zinc-bromine batteries was investigated.We propose that the use of static membrane-free zinc-bromine batteries is an effective way of overcoming some drawbacks of traditional zinc-bromine flow batteries including large volume and high cost,however,the existing technology can not completely prevent the self-discharge process and the formation of zinc dendrites.Therefore,optimizing the well-designed battery structure and developing electrolyte additives with excellent performance are the future research directions for static membrane-free zinc-bromine batteries.
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维普
