A novel activated mesocarbon microbead(aMCMB)/Mn3O4 composite for electrochemical capacitors in organic electrolyte
A novel activated mesocarbon microbead(aMCMB)/Mn3O4 composite for electrochemical capacitors in organic electrolyte
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一种新型活性中间相碳微珠(aMCMB)/Mn3O4复合材料,用于有机电解质中的电化学电容器
DOI:
10.1016/j.jpowsour.2009.06.015
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发表时间:
2009-12
影响因子:
9.2
通讯作者:
Li, Zesheng
中科院分区:
文献类型:
--
作者:
Wang, Hongqiang;Zhong, Xinxian;Yang, Jianhong;Li, Qingyu;Li, Zesheng
A novel activated mesocarbon microbead(aMCMB)/Mn3O4composite is successfully prepared for electrochemical capacitors. The morphology and crystal structure of the composite are investigated by scanning electron microscopy and X-ray diffraction. The electrochemical studies indicate that the aMCMB/Mn3O4composite has ideal capacitive performance in 1.0molL−1LiPF6(EC+DMC). A maximum specific capacitance of 178Fg−1is obtained for the composite via galvanostatic charge–discharge at a current density of 330mAg−1, and the specific capacitance of Mn3O4is estimated to be as high as 445Fg−1. The aMCMB/Mn3O4composite material exhibits ideal capacitive behavior indicating a promising electrode material for electrochemical supercapacitors.
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