基金supported by the National Natural Science Foundation of China(51271164,21276229)Natural Science Foundation of Zhejiang Province,China(Z4110126)Fund for the Key Science and Technology Innovation Team of Zhejiang Province,China(2010R50013)~~
文摘本文以聚苯乙烯球为模板,杨梅单宁/Cu2+混合物为前驱体,制备了三维有序多孔碳内嵌纳米Cu_2O-CuO(3D Cu_2O-CuO@C)锂离子电池负极材料。采用多种技术手段研究了3D Cu_2O-CuO@C结构形貌及其电化学性能。3D Cu_2O-CuO@C在电流密度为1.0 A·g-1的循环性能测试中,500次循环后其放电比容量为635.8 m A·h·g^(-1),表现出了高循环稳定性。在电流密度为8.0 A·g-1的大电流条件下,其放电比容量仍维持在173.4 m A·h·g^(-1),表现出了优异的高倍率性能。
基金funded by the National Natural Science Foundation of China(21875199)the National“Double First-class”Construction Special Funds Project(0290-X2100502)+2 种基金the College of Energy at the Xiamen University-R&D Center Project of Weifang Sainuo-Kite Broad Spectrum Hydrogen Fuel Cell(XDHT2020024C)the College of Energy at the Xiamen University-R&D Center of Hydrogen Energy of Zibo High Tech Industrial Development Zone(XDHT2020023C)the Development Project of Energy Research Institute of Hefei Comprehensive National Science Center(XDHT2020305A)。