LiNi0.8Co0.2O2 / MWNTs复合物超级电容器电极材料的研究 |
Studies on LiNi0.8Co0.2O2 / MWNTs Composite Electrode Materials for Supercapacitors |
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摘要: |
关键词: LiNi0.8Co0.2O2 碳纳米管 复合物 超级电容器 电极材料 |
基金项目: |
Abstract: Multiwalled carbon nanotubes (MWNTs) were used as the conductive additive in the electrode materials. The electrochemical properties of supercapacitors based on LiNi0.8Co0.2O2 / MWNTs composite and LiNi0.8Co0.2O2/acetylene black composite and MWNTs in 1.0 mol·L-1 LiClO4 / EC+DEC [V(EC)∶V(DEC)=1∶1] electrolyte were investigated by means of constant charge/discharge current tests, respectively. The experimental results show that the LiNi0.8Co0.2O2 / MWNTs composite has better performance than that of others, and the maximum specific capacitance of the supercapacitor can reach 271.6 F·g-1, while the energy density is up to 339.5 Wh·kg-1. Furthermore, it is remarkable that the performance of MWNTs is better than that of acetylene black as the conductive additive. |
Keywords: LiNi0.8Co0.2O2 multiwalled carbon nanotubes composite supercapacitors electrode materials |
投稿时间:2004-08-10 修订日期:2004-11-22 |
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全文下载次数: 1984 |
王贵欣,周固民,袁荣忠,瞿美臻,张伯兰,于作龙.LiNi0.8Co0.2O2 / MWNTs复合物超级电容器电极材料的研究[J].无机化学学报,2005,21(4):593-597. |
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