Abstract:Architectural design of nitrogenous polymer-based carbons represents a facile and efficient strategy to improve performance because of their morphological diversity, tailorability, and N-containing structure. In this research, 0D and 1D forms of polypyrrole-derived porous carbons (A-PCS and A-PCT, respectively) are first integrated into nitrogen-doped hierarchically porous A-PCS/PCT hybrids by applying an easy multistep method. This integration, along with chemical activation, prevents serious agglomeration of… Show more
“…There was a broad diffraction peak ( ∼23.5 °) corresponding to the C (002) due to defects and larger inner spaces as associated with N and O ( Fig. 1 ) [36] . The ZnS/N-C-900 sample had three obvious and narrow peaks at 28.5 °, 47.5 °, and 56.3 °, which were attributed to the (111), (220), and (311) planes, respectively.…”
“…There was a broad diffraction peak ( ∼23.5 °) corresponding to the C (002) due to defects and larger inner spaces as associated with N and O ( Fig. 1 ) [36] . The ZnS/N-C-900 sample had three obvious and narrow peaks at 28.5 °, 47.5 °, and 56.3 °, which were attributed to the (111), (220), and (311) planes, respectively.…”
“…The isotherms were typical type I (typical of microporous carbons) with a pronounced N 2 uptake at relatively low pressure, according to IUPAC, which implied the existence of substantial micropores. 29 The pore size distribution of the samples is shown in Fig. 4(b) .…”
Section: Resultsmentioning
confidence: 99%
“…The shape of the CVs did not change signicantly even at a high scan rate of 100 mV s À1 , implying good double-layer capacitance, decent rate capability and rapid ion transportation and excellent rate capability. 5,22,29 The GCD curves in Fig. 10(b) show a regular symmetric triangular shape, suggesting good electrochemical charge and discharge reversibility, and the corresponding electrode specic capacitance of the symmetric supercapacitor was calculated from the GCD curves.…”
Biomass-derived O- and N-doped porous carbon has become one of the most competitive supercapacitor electrode material because of its renewability and sustainability.
“…1e, the N 2 adsorption-desorption isotherm and corresponding pore size distribution curve (inset) of the assynthesized MgO products exhibited a typical type-IV isotherm with a signicant H3 hysteresis loop, which are typical characteristics of a porous structure. 36 A clear H3 hysteresis loop was observed at medium relative pressure (P/P 0 ) range, which conrmed the presence of considerable mesopores in the MgO nanoparticles. Analysis results for the N 2 adsorption-desorption isotherm were in good agreement with the fact that abundant mesopores existed, as expressed on the pore size distribution curve (inset).…”
Section: Characterization Of Mgo Nanoparticlesmentioning
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