Emerging CoMn-LDH@MnO2 electrode materials assembled using nanosheets for flexible and foldable energy storage devices

查看全文 作　　者：Yue [1]Zhao;Jiafeng [1]He;Meizhen [1]Dai;Depeng [1]Zhao;Xiang [1]Wu;Baodan [2]Liu

机构地区：[1]School of Materials Science and Engineering,Shenyang University of Technology,Shenyang 110870,Liaoning,China;[2]Shenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,Liaoning,China

出　　处：《Journal of Energy Chemistry》索引2020年第29卷第6期,共8页

基　　金：supported by the Fundamental Research Funds for the Central Universities (No 30919011410)。 摘　　要：CoMn layered double hydroxides(CoMn-LDH)are promising electrode materials for supercapacitors because of their excellent cyclic stability.However,they possess relatively low capacitances.In this work,hybrid CoMn-LDH@MnO2 products grown on Ni foams were obtained through a facile hydrothermal method.The as-synthesized samples employed as electrodes deliver a specific capacitance of 2325.01 F g^-1 at 1 A g^-1.An assembled asymmetric supercapacitor using these products as positive electrodes shows a maximum energy density of 59.73 W h kg^-1 at 1000.09 W kg^-1.The prominent electrochemical performance of the as-prepared electrodes could be attributes to hierarchical structures.These findings suggest that hybrid structures might be potential alternatives for future flexible energy storage devices. 关键词：CoMn-LDH@MnO2 electrode Specific CAPACITANCE FLEXIBLE device Cyclic stability

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Emerging CoMn-LDH@MnO2 electrode materials assembled using nanosheets for flexible and foldable energy storage devices

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