Phase-separation-driven formation of Nickel–Cobalt oxide nanotubes as high-capacity anode materials for lithium-ion batteries

Bingqing Xu; Bingkun Hu; Qinghua Zhang; Yijie Xu; Yuan Liu; Wei Yu; Liangliang Li; Yang Shen; Ce-Wen Nan; Yuan-Hua Lin

doi:10.1080/21663831.2019.1613267

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Phase-separation-driven formation of Nickel–Cobalt oxide nanotubes as high-capacity anode materials for lithium-ion batteries

Original Report | 更新时间：2026-08-19

- Phase-separation-driven formation of Nickel–Cobalt oxide nanotubes as high-capacity anode materials for lithium-ion batteries
- Materials Research Letters Vol. 7, Issue 9, Pages: 368-375(2019)
- 作者机构：
  
  State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and Engineering Tsinghua University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2019.1613267
  CLC：
- Online First：09 May 2019，
  
  Published：2019
- 稿件说明：
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Bingqing Xu, Bingkun Hu, Qinghua Zhang, et al. Phase-separation-driven formation of Nickel–Cobalt oxide nanotubes as high-capacity anode materials for lithium-ion batteries[J]. Materials Research Letters, 2019, 7(9): 368-375.
DOI：

Bingqing Xu, Bingkun Hu, Qinghua Zhang, et al. Phase-separation-driven formation of Nickel–Cobalt oxide nanotubes as high-capacity anode materials for lithium-ion batteries[J]. Materials Research Letters, 2019, 7(9): 368-375. DOI： 10.1080/21663831.2019.1613267.

摘要

Abstract

BSTRACTNickel–Cobalt oxide nanotubes are prepared by a simple electrospinning technique based on a phase-separation mechanism. Extra tetraethyl orthosilicate (Si(OC

)

) is introduced and removed by design to obtain nanotube structure. The prepared nanotubes deliver remarkable electrochemical performance as the lithium-ion batteries anode materials. It possesses a capacity of 924 mAh/g after 95 cycles at 100 mA/g. At 2000 mA/g

it has a high capacity of 770 mAh/g

and still has 255 mAh/g at 1000 mA/g after 500 cycles. The outstanding electrochemical performance is attributed to the unique hierarchical tubular nanostructures design. This simple method opens new opportunities for fabricating practical nanostructured anode materials.

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