The problems such as poor intrinsic electronic conductivity,easy stacking of layered structure and lack of active sites in the intralayer hinder the development of 2H phase molybdenum disulfide(2H-MoS2)as high-capacity anode materials for Li-ion battery,sodium-ion battery and potassium-ion battery.The existing problems of 2H-MoS2 anode materials are summarized,the current research progress in atomic doping,defect engineering,composite with carbon materials and interlayer expansion engineering is introduced.The optimization mechanism of different modification strategies is analyzed,the development of 2H-MoS2 anode materials in Li-ion battery,sodium-ion battery and potassium-ion battery is prospected.
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