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A coaxial spiral [email protected] nanowire as lithium-ion battery anode exhibiting stable rate-performance

  • Zeng, Xiangbing
  • Zhu, Mengfei
  • Hu, Chaoquan
  • Chen, Yu
  • Han, Tianli
  • Li, Jinjin
  • Liu, Jinyun
Publication Date
Feb 15, 2021
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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Minimizing the particle size and constructing specific structures to accommodate the volumetric change of anodes for secondary batteries are significant. Herein, we develop a spiral [email protected] nanowire, which reduces the agglomeration of nanoparticles (approximate to 10 nm) and accommodates the volumetric change of Fe2O3 during charge and discharge. The [email protected] nanowires remains a capacity of 770 mAh g(-1) after 550 cycles at 0.1C, which is higher than the [email protected] nanospheres without a spiral morphology. A stable rate-performance even after testing repeatedly three rounds is also obtained. (c) 2020 Elsevier B.V. All rights reserved.

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