Research progress of cathode materials for aqueous sodium-ion batteries
In recent years,with the continuous development of the new energy industry,the sharp reduction of metal lithium reserves and the increase in price have made secondary batteries turn to the development of other metal ion batteries,and sodium-ion batteries have become a good substitute with the advantages of abundant reserves and low price.The research on cathode materials for aqueous sodium-ion batteries has been widely carried out,and the main cathode materials include transition metal oxides,polyanionic compounds and Prussian blue analogues.In this paper,the structural characteristics and research directions of different materials are summarized,and the development direction of cathode materials for aqueous sodium-ion batteries is prospected.
aqueous sodium-ion batteriescathode materialstransition metal oxidespolyanionic compoundsPrussian blue analogue
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