期刊
CERAMICS INTERNATIONAL
卷 47, 期 1, 页码 1429-1438出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2020.08.267
关键词
MnSe; Carbon fibers; Binder-free; Lithium ion batteries
资金
- National Natual Science Foundation of china [U1832147,11705015]
- Natural Science Foundation of Jiangsu Educational Department [15KJA430001]
- Foundation of Jiangsu science and Technology Department [BA2016041]
- Science and Technology Development Plan Project in Suzhou [SYG201738, SZS201710]
In this study, MnSe nanoparticles encapsulated into N-carbon fibers were successfully prepared using electrospinning and calcination methods, exhibiting excellent electrochemical performance and stability. The introduction of carbon fibers improved conductivity and protection, providing a new perspective for the application of metal selenides in the field of flexible electrodes.
Poor electrical conductivity and large volume changes are two disadvantages of metal selenides. In this work, MnSe nanoparticles encapsulated into N-carbon fibers are designed and prepared using electrospinning and calcination methods. When calcined at 700 degrees C, the composite has a high reversible capacity of 684 mAh g(-1) after 100 cycles at 0.1 A g(-1), owing to the improved conductivity and protection provided by carbon fibers. Furthermore, the in situ electrochemical impedance measurements reveal the process kinetics of the composites. This work will provide the basis for the further development of the application of metal selenides in the field of flexible electrodes.
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