Research Progress of Electrolyte Additives for Sodium-Ion Batteries
With the significant increase in the price of lithium-ion batteries,low-cost,energy-efficient sodium-ion batteries have attracted widespread attention.As a bridge connecting the positive and negative materials of sodium ion batteries,the electrolyte plays a crucial role.The first coulomb efficiency,cycle stability and rate performance of sodium-ion batteries can be effectively improved by constructing suitable electrolytic liquid system for different electrode materials.In this paper,the research progress of various electrolyte additives in sodium-ion battery systems,the formation mechanism of interface film and the future research direction of electrolyte additives have been discussed.
Sodium-ion batteryElectrolyteAdditivesInterface film
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