Recent Progress on Modification Strategies of Alloy-based Anode Materials for Alkali-ion Batteries
Ying Wu , Yu Yao , Lifeng Wang , Yan Yu
Chemical Research in Chinese Universities ›› 2021, Vol. 37 ›› Issue (2) : 200 -209.
Recent Progress on Modification Strategies of Alloy-based Anode Materials for Alkali-ion Batteries
Alkali-ion batteries, including lithium-ion batteries(LIBs), sodium-ion batteries(NIBs) and potassium-ion batteries (KIBs), with alloy-based anodes exhibit huge potential in high energy density due to the natural abundance, high theoretical capacity as well as suitable operating voltages. However, the practical application is severely hindered by the huge volume variation based on the alloying mechanism and inferior conductivity, especially for red phosphorus(P) and silicon(Si) anodes, which induces poor rate capability and fast capacity decay. Herein, we will briefly review fundamental advantages and challenges of alloy-based anode materials. Then, effective modification strategies of alloy-based anode materials for boosting the performance would be emphasized and discussed. Finally, we will share our perspectives and some opportunities to obtain high-performance alloy-based anode materials for further application.
Alloy-based anode / Alkali-ion battery / Modification strategy
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