Construction of SnS2/SnO2 heterostructures with enhanced potassium storage performance

查看全文 作　　者：Guoquan [1]Suo;Dan [1]Li;Lei [1]Feng;Xiaojiang [1]Hou;Xiaohui [1]Ye;Li [1]Zhang;Qiyao [2]Yu;Yanling [1]Yang;Wei(Alex)[3]Wang

机构地区：[1]School of Materials Science and Engineering,Shaanxi University of Science and Technology,Xi’an,710021,China;[2]Institute of Advanced Structure Technology,Beijing Institute of Technology,Beijing 100081,China;[3]Department of Materials Science and Engineering,College of Engineering,Peking University,Beijing 100871,China

出　　处：《Journal of Materials Science & Technology》索引2020年第52卷第20期,共6页

基　　金：This work was financially supported by the National Natural Science Foundation of China(Nos.51704188,51464020,5170219961705125 and 51802181);the research starting foundation from Shaanxi University of Science and Technology(No.2018GBJ-04)。 摘　　要：Increasing attention has been focused on potassium ion batteries(KIBs) as promising energy-sto rage system(ESS) owing to the abundance and low-cost of potassium resources.Here,SnS2/SnO2 hete rostructures were successfully fixed onto stainless steel mesh(SnS2/SnO2/SSM) through a facile two-step hydrothermal method and used as anodes for KIBs.Due to the advantages of SnS2/SnO2 heterostructures and good conductivity of SSM substrate,the SnS2/SnO2/SSM anodes display enhanced electrochemical performance.The SnS2/SnO2/SSM anodes deliver specific capacity of 394 mA h g^-1 at 50 mA g^-1 over 100 cycles,better than SnO2/SSM.Even at 500 mA g^-1 after 250 cycles,high capacity of 155 mA h g^-1 can still be obtained. 关键词：SnS2/SnO2 HETEROSTRUCTURES Potassium-ion batteries ANODE

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Construction of SnS2/SnO2 heterostructures with enhanced potassium storage performance

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