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[期刊论文]

Development of a lithophilic NiCo2O4 nanoneedle-modified carbon cotton napkin interlayer for high-energy-density lithium metal anodes

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author:

Lin, Jiaojuan (Lin, Jiaojuan.) [1] | Xie, Yonghui (Xie, Yonghui.) [2] | Yang, Tengjun (Yang, Tengjun.) [3] | Unfold

Indexed by:

EI

Abstract:

Lithium metal is a promising anode material for high-energy-density batteries due to its exceptionally high theoretical capacity. However, challenges such as non-uniform deposition of lithium during charge/discharge cycling, which leads to the growth of lithium dendrites, impede the commercialization of lithium-metal anodes. Herein, we developed a lithophilic NiCo2O4 (NCO) nanoneedle-modified carbonized cotton napkin (CCN) to serve as a low-cost and lightweight interlayer for lithium metal anodes. The three-dimensional carbon network provides superior electronic and ionic conductivity, while the high lithiophilicity of NCO effectively reduces the nucleation overpotential of lithium and suppresses dendrite formation. Consequently, the NCO@CCN-Li symmetric cell demonstrates a stable cycling performance of 700 h at 20 mA cm−2/10 mAh cm−2 and maintains a stable cycle for 350 h even when the current density is increased to 40 mA cm−2. Furthermore, the full cell paired with the LiFePO4 cathode (10.5 mg cm−2) retains a discharge specific capacity of 134.5 mAh g−1 after 200 cycles, with a capacity retention rate of 99.6 % and a coulombic efficiency of 99.7 %. This work provides valuable insights for the development of high-energy-density lithium-metal batteries. © 2025 Elsevier B.V.

Keyword:

Carbon carbon composites Lithium batteries Nanoneedles

Community:

  • [ 1 ] [Lin, Jiaojuan]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
  • [ 2 ] [Xie, Yonghui]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
  • [ 3 ] [Yang, Tengjun]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
  • [ 4 ] [Zheng, Wenrui]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
  • [ 5 ] [Huang, Zewei]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
  • [ 6 ] [Zhang, Hong]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
  • [ 7 ] [Wang, Xinghui]College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou; 350108, China
  • [ 8 ] [Wang, Xinghui]Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou; 213000, China

Reprint 's Address:

  • [wang, xinghui]college of physics and information engineering, institute of micro-nano devices and solar cells, fuzhou university, fuzhou; 350108, china;;[wang, xinghui]jiangsu collaborative innovation center of photovoltaic science and engineering, changzhou; 213000, china

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Source :

Journal of Power Sources

ISSN: 0378-7753

Year: 2025

Volume: 645

8 . 1 0 0

JCR@2023

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

30 Days PV: 1

Affiliated Colleges:

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