4.7 Article

A high areal capacity sodium-ion battery anode enabled by a free-standing red phosphorus@N-doped graphene/CNTs aerogel

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CHEMICAL COMMUNICATIONS
卷 -, 期 -, 页码 -

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ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cc02265f

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资金

  1. National Natural Science Foundation of China [21676067, 21606065]
  2. Anhui Provincial Natural Science Foundation [1908085QE178]
  3. Fundamental Research Funds for the Central Universities [JZ2020YYPY0109, PA2020GDGP0054]
  4. Key Research and Development Programs of Anhui Province [JZ2021AKKG0320]

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A novel and facile strategy for fabricating red phosphorus@nitrogen doped graphene/carbon nanotube aerogel (P@NGCA) as a free-standing anode for high energy sodium-ion batteries is proposed. The free-standing P@NGCA anode exhibits outstanding sodium storage performance with a high areal capacity of 3.3 mA h cm(-2) and superior initial Coulombic efficiency of 80%.
A novel and facile strategy for fabricating red phosphorus@nitrogen doped graphene/carbon nanotube aerogel (P@NGCA) is proposed as a free-standing anode for high energy sodium-ion batteries. Owing to an optimized structure of red P uniformly confined in porous NGCA with high conductivity and mechanical stability, the free-standing P@NGCA anode exhibits outstanding sodium storage performance with a high areal capacity of 3.3 mA h cm(-2) and superior initial Coulombic efficiency of 80%.

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