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电化学  2010 

高性能硫/碳凝胶复合正极材料的制备及应用

, PP. 168-171

Keywords: 锂硫电池,碳凝胶,复合材料,正极材料

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Abstract:

以碳凝胶作导电骨架,合成硫/碳凝胶复合物.XRD、SEM等表征显示,该复合材料完全保持了碳凝胶的形貌,颗粒大小在10μm以下,硫吸附在碳凝胶内部空隙中呈无定形态,表现出良好的电化学性能.以0.1C放电,该材料首圈放电容量达到1311mAh/g.0.2C循环充放,首圈放电容量为1107.1mAh/g,30周充放电后,放电容量仍不低于800mAh/g.

References

[1]  Tarascon J M,Armand M.Issues and challenges facing rechargeable lithium batteries[J].Nature,2001,414:359-367.
[2]  Armand M,Tarascon J M.Building better batteries[J].Nature,2008,451:652-657.
[3]  XU Yan(徐艳),WEN Yue-hua(文越华),CHENG Jie(程杰),et al.Primary study of tiron as active materials for the redox flow battery[J].Electrochemistry(电化学),2008,14(4):355-357.
[4]  CHEN Jia-jia,JIA Xin,SHE Qiu-jie,et al.The prepara-tion of nano-sulfur/MWCNTs and its electrochemical performance[J].Electrochimica Acta,2010,doi:10.1016/j.electacta.2010.01.069.
[5]  JI Xiulei,Kyu Tae Lee,Nazar L F.A highly ordered nanostructured carbon-sulphur cathode for lithium-sul-phur batteries[J].Nature Materials,2009,8:500-506.
[6]  Lin C,Ritter J A.Effect of synthesis pH on the structure of carbon xerogels[J].Carbon,1997,35(9):1271-1278.

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