%A CHENG Yayi, HUANG Jianfeng, LI Jiayin, XIE Hui, ZHOU Yingying %T Recent Progress of Secondary Rechargeable/discharged Battery Tin Selenide Anode Materials %0 Journal Article %D 2020 %J Materials Reports %R 10.11896/cldb.19090232 %P 17139-17148 %V 34 %N 17 %U {http://www.mater-rep.com/CN/abstract/article_3058.shtml} %8 2020-09-10 %X Tin selenide (SnSe, SnSe2) is considered to be a kind of potential lithium/sodium ion battery anode materials due to its special layered crystal structure and high electrical conductivity. However, tin selenide materials still exist several issues during lithium/sodium ions storage process. On the one hand, the huge volumetric change of tin selenide anode can result in the destruction of electrode structure and SEI film (solid-electrolyte interface film). This cracked structure without good electric contact will lead to rapid decay of the cycling performance. On the other hand, the electrical conductivity of intermediate products Li2Se/Na2Se is poor, hindering the charge transfer and lowering the electrochemical reaction kinetics of tin selenide electrode.
Based on the issues in lithium/sodium ions storage process, we summarize several strategies that have been used to enhance the electrochemical property of tin selenide, and review the domestic and foreign scholars from build special nano structure and composite structure level to reveal the electrochemical storage mechanism as well as the improved electrochemical performance.