Embedding Co2P Nanoparticles in N-Doped Carbon Nanotubes Grown on Porous Carbon Polyhedra for High-Performance Lithium-Ion Batteries

Chaojun Lei, Fenfen Wang, Jian Yang, Xianfeng Gao, Xinyao Yu, Bin Yang, Guohua Chen, Chris Yuan, Lecheng Lei, Yang Hou

Research output: Journal article publicationJournal articleAcademic researchpeer-review

17 Citations (Scopus)

Abstract

Development of high performance anode materials is of critical importance for advanced lithium-ion batteries. Herein, we report a novel 3D hybrid composed of well-dispersed Co2P nanoparticles embedded in N-doped carbon nanotubes grown on porous carbon polyhedral (Co2P/NCNTFs) as advanced electrode for lithium-ion batteries. The Co2P/NCNTF electrode is synthesized with a facile pyrolysis and phosphidation method derived from a cobalt-based zeolitic imidazolate framework. The resultant Co2P/NCNTFs hybrid demonstrates superior electrochemical performance in lithium-ion batteries, with a large discharge capacity of 906 mA h g-1 at 100 mA g-1, excellent rate performance of 508 mA h g-1 at 6.4 A g-1, high Coulombic efficiency of 99.4% after 300 cycles at 100 mA g-1, and high cycling performance with a capacity retention of 94.7%, which is among the best obtained results for Co2P-based anode materials.

Original languageEnglish
Pages (from-to)13019-13025
Number of pages7
JournalIndustrial and Engineering Chemistry Research
Volume57
Issue number39
DOIs
Publication statusPublished - 3 Oct 2018

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

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