静电纺丝
阳极
纳米纤维
电极
材料科学
碳纳米纤维
膜
电流密度
化学工程
钠
碳纤维
离子
纳米技术
复合材料
碳纳米管
化学
聚合物
有机化学
复合数
生物化学
物理
物理化学
量子力学
工程类
冶金
作者
Xiaoqin Xiong,Wei Luo,Xianluo Hu,Chaoji Chen,Long Qie,Dongfang Hou,Yunhui Huang
摘要
Abstract A flexible membrane consisting of MoS 2 /carbon nanofibers has been fabricated by a simple electrospinning method. MoS 2 nanosheets are uniformly encapsulated in the inter-connected carbon nanofibers with diameters of ~150 nm. When evaluated as a binder-free electrode for sodium-ion batteries, the as-obtained electrode demonstrates high performances, including high reversible capacity of 381.7 mA h g −1 at 100 mA g −1 and superior rate capability (283.3, 246.5 and 186.3 mA h g −1 at 0.5, 1 and 2 A g −1 , respectively). Most importantly, the binder-free electrode made of MoS 2 and carbon nanofibers can still deliver a charge capacity of 283.9 mA h g −1 after 600 cycles at a current density of 100 m A g −1 , indicating a very promising anode for long-life SIBs.
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