Journal of Porous Materials

, Volume 21, Issue 6, pp 1009–1014 | Cite as

One-pot hydrothermal synthesis of nitrogen-doped hierarchically porous carbon monoliths for supercapacitors



The nitrogen-doped hierarchically porous carbon monoliths (N-HPCMs) were successfully synthesized by using dicyandiamide (DCDA) as nitrogen source, phenolic resol as carbon precursor and mixed triblock copolymers as templates via a one-pot hydrothermal approach. The obtained carbon monoliths possess tunable mesopore size (4.3–11.4 nm), large surface area (552–660 m2/g), and high nitrogen content (up to 12.1 wt%). Ascribed to the nitrogen-doped frameworks and hierarchical porosity, N-HPCMs exhibit good electrochemical performance as the supercapacitor electrode with specific capacitance of 268.9 F/g (in 6 M KOH) at a current density of 1 A/g, and a 4.1 % loss of the specific capacitance after 5,000 charge–discharge cycles, indicating a long-term cycling stability. Such unique features make N-HPCMs promising electrode materials for high performance supercapacitors.


Nitrogen-doped carbon monoliths Hydrothermal synthesis Hierarchically porous Supercapacitors 



The authors gratefully acknowledge the financial supports from the Program of Chongqing Municipal Education Commission (KJ121201), the First Excellent Young Teachers Program of Chongqing high school ([2011]65), Chongqing Yongchuan Key Technologies R&D Program (YCSTC, 2011AC4001) and Research Program of Chongqing University of Arts and Sciences (Z2011RCYJ04).


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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Chongqing Key Laboratory of Micro/Nano Materials Engineering and Technology, Research Center for Material Interdisciplinary ScienceChongqing University of Arts and ScienceChongqingPeople’s Republic of China

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