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Issue 8, 2017
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Designed formation of hollow particle-based nitrogen-doped carbon nanofibers for high-performance supercapacitors

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Abstract

Carbon-based materials, as one of the most important electrode materials for supercapacitors, have attracted tremendous attention. At present, it is highly desirable but remains challenging to prepare one-dimensional carbon complex hollow nanomaterials for further improving the performance of supercapacitors. Herein, we report an effective strategy for the synthesis of hollow particle-based nitrogen-doped carbon nanofibers (HPCNFs-N). By embedding ultrafine zeolitic imidazolate framework (ZIF-8) nanoparticles into electrospun polyacrylonitrile (PAN), the as-prepared composite nanofibers are carbonized into hierarchical porous nanofibers composed of interconnected nitrogen-doped carbon hollow nanoparticles. Owing to its unique structural feature and the desirable chemical composition, the derived HPCNFs-N material exhibits much enhanced electrochemical properties as an electrode material for supercapacitors with remarkable specific capacitance at various current densities, high energy/power density and long cycling stability over 10 000 cycles.

Graphical abstract: Designed formation of hollow particle-based nitrogen-doped carbon nanofibers for high-performance supercapacitors

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Article information


Submitted
20 Feb 2017
Accepted
07 Apr 2017
First published
07 Apr 2017

Energy Environ. Sci., 2017,10, 1777-1783
Article type
Paper

Designed formation of hollow particle-based nitrogen-doped carbon nanofibers for high-performance supercapacitors

L. Chen, Y. Lu, L. Yu and X. W. (. Lou, Energy Environ. Sci., 2017, 10, 1777
DOI: 10.1039/C7EE00488E

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