期刊
SCIENTIFIC REPORTS
卷 5, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/srep14146
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资金
- National Natural Science foundation of China [51403036, 51322204]
- Shanghai Education Commission Yangfan Program [14YF1405300]
- Shanghai Education development foundation Chenguang Program [14S10656]
- Specialized Research Fund for the Doctoral Program of Higher Education of China (SRFDP) [20130075120018]
- Fundamental Research Funds for the Central University [2232014D3-09, WK2060140014]
- External Cooperation Program of BIC, Chinese Academy of Sciences [211134KYSB20130017]
Freestanding yet flexible membranes of MnO/carbon nanofibers are successfully fabricated through incorporating MnO2 nanowires into polymer solution by a facile electrospinning technique. During the stabilization and carbonization processes of the as-spun membranes, MnO2 nanowires are transformed to MnO nanoparticles coincided with a conversion of the polymer from an amorphous state to a graphitic structure of carbon nanofibers. The hybrids consist of isolated MnO nanoparticles beading in the porous carbon and demonstrate superior performance when being used as a binder-free anode for lithium-ion batteries. With an optimized amount of MnO (34.6 wt%), the anode exhibits a reversible capacity of as high as 987.3 mAh g(-1) after 150 discharge/charge cycles at 0.1 A g(-1), a good rate capability (406.1 mAh g(-1) at 3 A g(-1)) and an excellent cycling performance (655 mAh g(-1) over 280 cycles at 0.5 A g(-1)). Furthermore, the hybrid anode maintains a good electrochemical performance at bending state as a flexible electrode.
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