pISSN: 1976-4251
eISSN: 2233-4998
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CARBONLETT, vol. 23, no. 1, pp.9-16, 2017

DOI: http://dx.doi.org/ DOI:10.5714/CL.2017.23.009

Fabrication of nitrogen doped ordered mesoporous carbon derived from glucosamine with hybrid capacitive behaviors

Deyi Zhang1,2,♠, Mei Han1, Yubing Li1, Bing Wang1, Yi Wang1, Kunjie Wang1 and Huixia Feng1

Affiliation: 1College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, China
2Key Laboratory of Eco-Environment-Related Polymer Materials of Ministry of Education, Northwest Normal University, Lanzhou 730070, China

Abstract: This paper introduces a nitrogen-doped ordered mesoporous carbon (NOMC) derived from glucosamine with hybrid capacitive behaviors, achieved by successfully combining electrical double-layer capacitance with pseudo-capacitance behaviors. The nitrogen doping content of the fabricated NOMC reached 7.4 at% while its specific surface area (SBET) and total pore volume reached 778 m2 g-1 and 1.17 cm3 g-1, respectively. A dual mesoporous structure with small mesopores centered at 3.6 nm and large mesopores centered at 9.9 nm was observed. The specific capacitance of the reported materials reached up to 328 F g-1, which was 2.1 times higher than that of pristine CMK-3. The capacitance retention rate was found to be higher than 87.9% after 1000 charge/discharge cycles. The supplementary pseudocapacitance as well as the enhanced wettability and conductivity due to the incorporation of nitrogen heteroatoms within the carbon matrixes were found to be responsible for the excellent capacitive performance of the reported NOMC materials.


Keyword: nitrogen heteroatoms doping, ordered mesoporous carbon, glucosamine, capacitive performance