In-situ generated nano-Fe sub(3)C embedded into nitrogen-doped carbon for high performance anode in lithium ion battery

A novel C/Fe sub(3)C composite prepared by simple polymerization-pyrolysis of iron phthalocyanine (PcFe) at 700 [degrees]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...

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Bibliographic Details
Published in:Electrochimica acta 2014-01, Vol.116, p.292-299
Main Authors: Zhao, Xiuyun, Xia, Dingguo, Yue, Juncheng, Liu, Shuzhen
Format: Article
Language:English
Subjects:
Anodes
Carbon
Electrical resistivity
Electrodes
Lithium batteries
Lithium-ion batteries
Nanoparticles
Particulate composites
Resistivity
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Summary:A novel C/Fe sub(3)C composite prepared by simple polymerization-pyrolysis of iron phthalocyanine (PcFe) at 700 [degrees]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 Fe sub(3)C nanoparticles and N doping can enhance electrical conductivity and facilitate the reaction of C/Fe sub(3)C electrode effectively. This work provides a new way for developing high performance non-graphitic carbon electrode materials in the future.
ISSN:0013-4686
DOI:10.1016/j.electacta.2013.10.196