材料科学
阳极
复合数
锂(药物)
电池(电)
碳化
静电纺丝
纳米纤维
复合材料
锂离子电池
碳纳米纤维
电导率
导电体
化学工程
碳纳米管
电极
聚合物
扫描电子显微镜
医学
功率(物理)
化学
物理
物理化学
量子力学
工程类
内分泌学
作者
T. C. Yang,Lanlan Zuo,Daru Lu,Chunman Zheng,Yu‐Fang Chen
标识
DOI:10.1016/j.matlet.2022.133554
摘要
In spite of its wonderful mechanical flexibility and conductivity, the highly oriented and continuous carbon nanofibers (CNFs) fabric has been hindered from widespread use, due to the low energy density. This work proposes a high SiO loading and free-standing N-doped composite nanofiber fabric by hybrid electrospinning, carbonization and gel solution impregnation. The 3D hierarchical conductive network enhances the conductivity of both the electrons and ions, and protects the SiO from structure collapse. The composite gains bending resistance and a high specific capacity of ∼670 mAh·g−1 at 160 mA·g−1 after 95 cycles. The composite conductive gel-coated SiO/CNFs fabric provides an effective strategy for flexible lithium-ion batteries.
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