Dual doped electroactive hydrogelic fibrous mat with high areal capacitance

[Display omitted] •Electrode material based on polyaniline was prepared with polymeric codopant.•Dual doping approach allows to prepare electroconducting porous hydrogel.•Stability of fibrous-mat structure on swelling proved with AFM.•Areal capacitance of porous electroconducting hydrogel reach 8.1F...

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Published in:Materials letters 2017-07, Vol.199, p.192-195
Main Authors: Smirnov, Michael A., Sokolova, Maria P., Geydt, Pavel, Smirnov, Nikolay N., Bobrova, Natalya V., Toikka, Alexander M., Lahderanta, Erkki
Format: Article
Language:English
Subjects:
Acrylamide
Aniline
Capacitance
Dopants
Electrical properties
Electroconducting hydrogel
Electrodes
Hydrogels
Materials science
Polyaniline
Polymerization
Polymers
Supercapacitor
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cited_by cdi_FETCH-LOGICAL-c373t-89db651aae35918e6127e8671b095efe60993586d89dabb93c0feb81df2d2b9f3
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container_title Materials letters
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creator Smirnov, Michael A.
Sokolova, Maria P.
Geydt, Pavel
Smirnov, Nikolay N.
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Toikka, Alexander M.
Lahderanta, Erkki
description [Display omitted] •Electrode material based on polyaniline was prepared with polymeric codopant.•Dual doping approach allows to prepare electroconducting porous hydrogel.•Stability of fibrous-mat structure on swelling proved with AFM.•Areal capacitance of porous electroconducting hydrogel reach 8.1Fcm−2. The 3D mat-like electroactive hydrogel for application as electrode material for supercapacitor was fabricated by chemical oxidative polymerization of aniline in the solution containing two dopants: organic copolymer of acrylamide with 2-acrylamido-2-methyl-propanesulfonic acid and inorganic HCl. Electrochemical tests revealed that utilization of two dopants gave a high areal capacitance 8.1Fcm−2 at current density 5.1mAcm−2. Prepared electrode material retains 47% of initial capacitance after applying of 5000 charge-discharge cycles.
doi_str_mv 10.1016/j.matlet.2017.04.083
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subjects Acrylamide
Aniline
Capacitance
Dopants
Electrical properties
Electroconducting hydrogel
Electrodes
Hydrogels
Materials science
Polyaniline
Polymerization
Polymers
Supercapacitor
title Dual doped electroactive hydrogelic fibrous mat with high areal capacitance
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