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.