Nano Research

, Volume 12, Issue 11, pp 2872–2880 | Cite as

Reduced graphene oxide-supported CoP nanocrystals confined in porous nitrogen-doped carbon nanowire for highly enhanced lithium/sodium storage and hydrogen evolution reaction

  • Xiaojun Zhao
  • Dan Luo
  • Yan Wang
  • Zhi-Hong LiuEmail author
Research Article


Rational synthesis of a hierarchical porous architecture with highly active and consecutive conductive network is very critical to achieve the high-performance of nanomaterials in electrochemical energy conversion and storage. We propose here a hierarchical micro-/nanostructured hybrids constructed by the dual carbon shell nanowire host containing CoP nanocrystals of several nanometers, which generates Co-based metal-organic framework on graphene oxide nanosheets in situ and followed a direct phosphorization (CoP@NC/rGO). The dual carbon shell, consisting of Co-based metal-organic framework derived porous doped carbon (NC) and reduced graphene oxide (rGO), can not only impedes CoP nanocrystals from coalescing, and renders highly exposed the electrochemically accessible active sites, but also provides the multidimensional pathways for rapid electron and ion transportation. More importantly, the covered dual carbon shell on CoP nanocrystals plays a role as a protective layer to impede the nanocrystals’ corrosion. By virtue of compositional and structural advantages, the micro-/nanostructured CoP@NC/rGO hybrids manifest outstanding energy storage properties when evaluated as anodes for lithium/sodium ion batteries. Remarkably, it also reveals highly efficient electrocatalytic performance for hydrogen evolution reaction in acid media with low Tafel slope, overpotential and robust durability.


micro-/nanostructured metal-organic framework CoP@NC/rGO lithium/sodium ion batteries hydrogen evolution reaction 


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This work was supported by the National Natural Science Foundation of China (No. 21573142 and 21903051), the China Postdoctoral Science Foundation (No. 2018M643569), the Natural Science Foundation of Shaanxi Province (No. 2019JQ-671), and the Fundamental Research Funds for the Central Universities (No. GK201903042).

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Reduced graphene oxide-supported CoP nanocrystals confined in porous nitrogen-doped carbon nanowire for highly enhanced lithium/sodium storage and hydrogen evolution reaction


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© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical EngineeringShaanxi Normal UniversityXi’anChina

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