阳极
材料科学
静电纺丝
电池(电)
化学工程
热液循环
纳米纤维
碳纳米纤维
离子
兴奋剂
碳纤维
电极
纳米技术
碳纳米管
复合材料
光电子学
复合数
化学
聚合物
有机化学
工程类
物理
物理化学
量子力学
功率(物理)
作者
Jiaojiao Liang,Chaochun Yuan,Huanhuan Li,Kai Fan,Zengxi Wei,Hanqi Sun,Jianmin Ma
出处
期刊:Nano-micro Letters
[Springer Science+Business Media]
日期:2017-12-08
卷期号:10 (2): 21-21
被引量:165
标识
DOI:10.1007/s40820-017-0172-2
摘要
It is urgent to solve the problems of the dramatic volume expansion and pulverization of SnO2 anodes during cycling process in battery systems. To address this issue, we design a hybrid structure of N-doped carbon fibers@SnO2 nanoflowers (NC@SnO2) to overcome it in this work. The hybrid NC@SnO2 is synthesized through the hydrothermal growth of SnO2 nanoflowers on the surface of N-doped carbon fibers obtained by electrospinning. The NC is introduced not only to provide a support framework in guiding the growth of the SnO2 nanoflowers and prevent the flower-like structures from agglomeration, but also serve as a conductive network to accelerate electronic transmission along one-dimensional structure effectively. When the hybrid NC@SnO2 was served as anode, it exhibits a high discharge capacity of 750 mAh g-1 at 1 A g-1 after 100 cycles in Li-ion battery and 270 mAh g-1 at 100 mA g-1 for 100 cycles in Na-ion battery, respectively.
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