材料科学
煅烧
静电纺丝
锂(药物)
纳米颗粒
碳纤维
电导率
电化学
化学工程
金属
电极
纳米技术
复合材料
复合数
催化作用
冶金
聚合物
有机化学
化学
物理化学
内分泌学
工程类
医学
作者
Zhengsi Han,Fanjun Kong,Zheng Jian,Jiyun Chen,Shi Tao,Bin Qian
标识
DOI:10.1016/j.ceramint.2020.08.267
摘要
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 °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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