e-journal
Synthesis, characterization and supercapacitive properties of hierarchical porous carbons
Abstract.
A series of hierarchical porous carbons are synthesized from metal-organic frameworks as a precursor
and glycerol as a carbon source. N2 adsorption–desorption measurement indicates that glycerol has a
pronounced effect on the specific surface area of the synthesized porous carbons. And the pore size
distribution and BET can be modulated by adding different amounts of Bi(NO3)3·5H2O. The amount of
Bi(NO3)3·5H2O is changed from 0 to 0.4 mmol, resulting in the increase of surface area from 1796 m2 g−1
to 2857 m2 g−1. Due to its unique hierarchical pore structure, the synthesized porous carbons exhibit a
high specific capacitance and show potential application in electrochemical capacitor.
Keywords:
Hierarchical porous carbons
Metal-organic frameworks (MOFs)
Specific surface area
Supercapacitors
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