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Polymers 2017, 9(1), 2; doi:10.3390/polym9010002

Nitrogen Doped Macroporous Carbon as Electrode Materials for High Capacity of Supercapacitor

1
MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
2
School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Andreas Taubert
Received: 30 September 2016 / Revised: 1 December 2016 / Accepted: 12 December 2016 / Published: 13 January 2017
(This article belongs to the Special Issue Conjugated Polymers 2016)
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Abstract

Nitrogen doped carbon materials as electrodes of supercapacitors have attracted abundant attention. Herein, we demonstrated a method to synthesize N-doped macroporous carbon materials (NMC) with continuous channels and large size pores carbonized from polyaniline using multiporous silica beads as sacrificial templates to act as electrode materials in supercapacitors. By the nice carbonized process, i.e., pre-carbonization at 400 °C and then pyrolysis at 700/800/900/1000 °C, NMC replicas with high BET specific surface areas exhibit excellent stability and recyclability as well as superb capacitance behavior (~413 F g−1) in alkaline electrolyte. This research may provide a method to synthesize macroporous materials with continuous channels and hierarchical pores to enhance the infiltration and mass transfer not only used as electrode, but also as catalyst somewhere micro- or mesopores do not work well. View Full-Text
Keywords: N-doped; macropores; supercapacitors N-doped; macropores; supercapacitors
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Li, Y.; Xu, X.; He, Y.; Jiang, Y.; Lin, K. Nitrogen Doped Macroporous Carbon as Electrode Materials for High Capacity of Supercapacitor. Polymers 2017, 9, 2.

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