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Issue 8, 2013
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Synthesis of functionalized 3D hierarchical porous carbon for high-performance supercapacitors

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Abstract

Functionalized three-dimensional hierarchical porous carbon (THPC) is prepared via a facile modified chemical activation route with polypyrrole microsheets as precursor and KOH as activating agent. The as-obtained THPC presents a large specific surface area (2870 m2 g−1), high-level heteroatom doping (N: 7.7 wt%, O: 12.4 wt%), excellent electrical conductivity (5.6 S cm−1), and hierarchical porous nano-architecture containing macroporous frameworks, mesoporous walls and microporous textures. Such unique features make the THPC an ideal electrode material for electrochemical energy storage. As the electrode material for a supercapacitor, the THPC exhibits a high capacitance, excellent rate performance and long-term stability in both aqueous and organic electrolytes.

Graphical abstract: Synthesis of functionalized 3D hierarchical porous carbon for high-performance supercapacitors

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Supplementary files

Article information


Submitted
13 May 2013
Accepted
29 May 2013
First published
30 May 2013

Energy Environ. Sci., 2013,6, 2497-2504
Article type
Paper

Synthesis of functionalized 3D hierarchical porous carbon for high-performance supercapacitors

L. Qie, W. Chen, H. Xu, X. Xiong, Y. Jiang, F. Zou, X. Hu, Y. Xin, Z. Zhang and Y. Huang, Energy Environ. Sci., 2013, 6, 2497
DOI: 10.1039/C3EE41638K

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