supported by the Natural Science Foundation of Jiangsu Province (No.BK20210474);the National Natural Science Foundation of China (No.21938005);the Fundamental Research Funds for the Central Universities (No.JUSRP122013).
Sodium iron hexacyanoferrate(FeHCF)is one of the most promising cathode materials for sodium-ion batteries(SIBs)due to its low cost theoretical capacity.However,the low electrochemical activity of Fe^(LS)(C)in FeHCF d...