In-situ generated nano-Fe₃C embedded into nitrogen-doped carbon for high performance anode in lithium ion battery

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• 作者：Xiuyun Zhao ; Dingguo Xia ; Juncheng Yue ; Shuzhen Liu
• 关键词：Carbon/iron carbide composite ; Pyrolytic carbon ; Voltage hysteresis ; Anode ; Lithium ion battery
• 刊名：Electrochimica Acta
• 出版年：10 January, 2014
• 年：2014
• 卷：116
• 期：Complete
• 页码：292-299
• 全文大小：3533 K

文摘

A novel C/Fe₃C composite prepared by simple polymerization-pyrolysis of iron phthalocyanine (PcFe) at 700 掳C in an Ar atmosphere, exhibits a high reversible capacity, stable cyclability, excellent rate performance, improved initial efficiency and reduced hysteresis as an anode material for lithium ion batteries. In-situ embedded Fe₃C nanoparticles and N doping can enhance electrical conductivity and facilitate the reaction of C/Fe₃C electrode effectively. This work provides a new way for developing high performance non-graphitic carbon electrode materials in the future.