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Yolk-shell Fe2O3 ⊙ C composites anchored on MWNTs with enhanced lithium and sodium storage
Yi Zhao1, Zhenxing Feng, Zhichuan J Xu
1School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore. xuzc@ntu.edu.sg.
Nanoscale
|May 8, 2015
Abstract:
A unique architecture with yolk-shell Fe2O3 ⊙ C composites attached to the surface of MWNTs is designed. Benefiting from the good electrical conductivity of MWNTs and carbon layers, as well as the large void space to accommodate the volume expansion/extraction of Fe2O3 during battery cycling, the obtained MWNT@Fe2O3 ⊙ C exhibited outstanding lithium and sodium storage performance.
