Fabrication of polyaniline–graphene oxide hybrid nanocomposites by green interfacial polymerization for all-solid-state supercapacitors and enzymatic glucose sensors

Abstract

An interfacial polymerization based green approach was developed for the synthesis of polyaniline-graphene oxide (PANI-GO) nanocomposite. Instead of commonly used organic solvents like CHCl3, CCl4, hexane and toluene, vegetable oil...

Scalable Construction of Flexible Composite Textile Electrodes through In Situ Growth of Polyaniline Nanofibers on Carbon Cloths under Electric Field toward High Areal Capacitance Supercapacitors

“…The high-frequency intercept corresponded to the equivalent series resistance ( R s ), which mainly contributed to the resistance of the electrolyte solution . According to the Nyquist diagram, the equivalent series resistance for the electrode varied from 3.50 to 3.45, 0.78, 0.69, and 2.88 ohm accompanied with the increase of aniline concentration from 0.2 to 0.5, 0.8, 1.0, and 1.3 M. The absence of the semicircle in the EIS spectrum could be attributed to a significant charge transfer between the PANi nanofiber network and the electrolytes. , Without the addition of binders, highly aligned nanofiber arrays could provide fast electron transport in the electrode, while the close contact between PANi nanofiber arrays and conductive carbon cloth could ensure highly efficient charge transportation and electron collection. Therefore, all the composite textile electrodes had low equivalent series resistances.…”

“…55 According to the Nyquist diagram, the equivalent series resistance for the electrode varied from 3.50 to 3.45, 0.78, 0.69, and 2.88 ohm accompanied with the increase of aniline concentration from 0.2 to 0.5, 0.8, 1.0, and 1.3 M. The absence of the semicircle in the EIS spectrum could be attributed to a significant charge transfer between the PANi nanofiber network and the electrolytes. 34,56 Without the addition of binders, highly aligned nanofiber arrays could provide fast electron transport in the electrode, while the close contact between PANi nanofiber arrays and conductive carbon cloth could ensure 5a, where the inset displays the corresponding GCD curves. The maximum areal capacitance was 621.6 mF cm −2 at 1 mA cm −2 .…”

A review on fine-tuning of energy storage characteristics of conducting polymers

“…[189][190][191] PANI/graphene nanocomposites have been fabricated for supercapacitor applications via various strategies, viz., interfacial polymerisation, chemical polymerisation and electrochemical polymerisation. [192][193][194] The chemical oxidative polymerisation strategy has been carried out in a rotating packed bed (RPB) for developing PANI/graphene supercapacitor electrodes. 195 The effect of concentration of graphene, mol ratio of oxidant/monomer, monomer concentration and type of reactor on the surface morphology and capacitive performance of the nanocomposites has been investigated.…”