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동향자료
저자정보
Zhang, Deyi (College of Petrochemical Technology, Lanzhou University of Technology) Han, Mei (College of Petrochemical Technology, Lanzhou University of Technology) Li, Yubing (College of Petrochemical Technology, Lanzhou University of Technology) Wang, Bing (College of Petrochemical Technology, Lanzhou University of Technology) Wang, Yi (College of Petrochemical Technology, Lanzhou University of Technology) Wang, Kunjie (College of Petrochemical Technology, Lanzhou University of Technology) Feng, Huixia (College of Petrochemical Technology, Lanzhou University of Technology)
저널정보
한국탄소학회 Carbon letters Carbon letters 제23권
발행연도
2017.1
수록면
9 - 16 (8page)

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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 ($S_{BET}$) and total pore volume reached $778m^2g^{-1}$ and $1.17cm^3g^{-1}$, 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 $328Fg^{-1}$, 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.

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