Porous nitrogen-doped hollow carbon spheres derived from polyaniline for high performance supercapacitors

Abstract

The porous nitrogen-doped hollow carbon spheres derived from polyaniline are promising electrode materials for high performance supercapacitors due to their hierarchical porous structure and nitrogen-doping.

Porous Carbon Nanosheets Prepared from Plastic Wastes for Supercapacitors

“…5c) can be fitted into three peaks with bonding energy at 398.5 eV, 401.1 eV and 403.2 eV attributable to the pyridinic-N, quaternary-N and oxidized-N, respectively. 36,37 The quaternary-N is the most stable nitrogen species during the process of pyrolysis, which can improve the electrical conductivity of the carbon materials. 36 The inset of Fig.…”

“…36,37 The quaternary-N is the most stable nitrogen species during the process of pyrolysis, which can improve the electrical conductivity of the carbon materials. 36 The inset of Fig. 5c shows three doping nitrogen forms in the NPCNs.…”

Progress of Nanostructured Electrode Materials for Supercapacitors

“…[31][32][33][34] Except for biomass precursors, researchers also designed heteroatom-doped ACs through the activation of polymer, such as cellulose acetate, metal-organic frameworks (MOFs), etc. [35][36][37] Zhou et al have prepared activated N-doped carbon nanoparticles(APCNs) by the direct pyrolyzation and activation of PANI nanoparticles. [38] The prepared process is shown in Figure 3a.…”

Heteroatom–doped hollow carbon microspheres based on amphiphilic supramolecular vesicles and highly crosslinked polyphosphazene for high performance supercapacitor electrode materials

“…Hollow carbon microspheres (HCMSs) have been used as supercapacitor electrode materials due to their unique characteristics, including high surface utilization efficiency, short mass diffusion and low transport resistance [14][15][16]. Up to now, the fabrication of HCMSs is generally based on hard-or soft-template methods, which often require multiple steps and hazardous solvents to remove the templates and purify the products.…”

“…Up to now, the fabrication of HCMSs is generally based on hard-or soft-template methods, which often require multiple steps and hazardous solvents to remove the templates and purify the products. In addition, the morphology regulation of HCMSs is dependent on the 4 availability of the templates [16][17][18]. Recently, hollow porous carbon spheres were synthesized through carbonization of porous organic frameworks [19].…”