Effect of Aniline Concentration on the Morphology and Electrochemical Properties of DBSA-Doped Polyaniline for Flexible Supercapacitor Electrode Materials

Evolution of an Electrochemically Inactive Metal–Organic Framework to Reticulated Porous Carbon Particles with High Supercapacitance

“…These help in increasing the conductance of a supercapacitor to broaden their application. 23 The charge density of the spacecharge layer arises from this doping effect, which is basically the attraction between the five valence electrons in nitrogen and the protons of the electrolyte. 24 Pyrolysis of the MOF leads to carbonization of the framework resulting in compact structure with high interconnected porosity through which diffusion of the electrolyte can occur for a larger distance.…”

“…Due to the presence of N moieties, the basic character of the carbon framework increases and facilitates its interaction with acidic electrolyte as well as improves the wettability of the carbon framework. These help in increasing the conductance of a supercapacitor to broaden their application . The charge density of the space-charge layer arises from this doping effect, which is basically the attraction between the five valence electrons in nitrogen and the protons of the electrolyte .…”

Lignin-based composites for high-performance supercapacitor electrode materials

“…By analyzing the specific capacitance of the composites versus current density curves, it can be seen that the specific capacitance of the electrode material gradually decreases with the increase of current density, because LS/PANI works at higher current density, the charging and discharging process occurs in a very short time, and the electrode material has more microporous structure, so that the ions or protons are too late to diffuse or transfer in a short time, which hinders the high surface utilization of the material at current density, resulting in its inability to complete electrochemical deposition and dissociation, which leads to an inevitable decrease in capacitance. 42 Meanwhile, even at a high current density of 20 A g −1 , the specific capacitance of LS/PANI can still reach 254.0 F g −1 with a small loss rate of capacitance. Theoretically, the catechol/quinone groups in LS can be interconverted by redox reactions, and LS can utilize the conductivity of conducting polymers to achieve electrochemical energy storage.…”

Study on conductivity and tribological properties of polyaniline/molybdenum disulfide composites in lithium complex grease

“…The C═C stretching vibrations in the quinone and benzene ring structures are associated with peaks at 1560 and 1478 cm À1 positions, respectively. 14 The intensity ratio of the peaks is a qualitative measure of the oxidation state of PANI, 15 which implies that PANI, L1, L2 are all in the intermediate oxidation state. The peaks near 1298 and 1230 cm À1 indicate the presence of C N bond stretching.…”

“…[10][11][12][13] Polyaniline has 'memory'; doping and dedoping are reversible, and it is a promising polymer material. 14,15 Although polyaniline and its composites have been used in anti-corrosion coatings [16][17][18][19] and supercapacitor materials, [20][21][22] few people have studied the tribological properties of polyaniline-modified molybdenum disulfide composites in grease. Our previous research confirmed that the commercial polyaniline powder alone has good anti-friction, anti-wear, anti-corrosion and electrical conductivity properties, which can effectively reduce the volume surface resistance of the grease and reduce the contact resistance, To ensure the smooth operation of power transmission and transformation lines.…”