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Polymers
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Intrinsically Conducting Polymers in Electrochemical Energy Storage
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Intrinsically Conducting Polymers in Electrochemical Energy Storage

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 2074

Special Issue Editors

Prof. Dr. Milica Gvozdenović

E-Mail Website
Guest Editor
Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia
Interests: intrinsically conducting polymers; electrochemical synthesis; electrochemical characterisation; corrosion; electrode materials
Prof. Dr. Branimir N. Grgur

E-Mail Website
Guest Editor
Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11020 Belgrade, Serbia
Interests: Intrinsically conducting polymers, electrochemical synthesis, electrochemical characterisation, corrosion, electrode materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Growing environmental demands for the abolition of the use of fossil fuels has led to the development of clean energy approaches in which electrochemical systems for energy conversion and storage seem quite promising in both theoretical and practical aspects. Such solutions are environmentally acceptable and energy efficient. Intrinsically conductive polymers (ICPs) have unique properties that originate from their polymeric nature. ICPs possess electrical conductivity that is induced by the presence of a stochiometric quantity of dopant ions, that can be reversibly exchanged in electrochemical reactions. These qualities make ICPs excellent candidates in the field of electrochemical energy systems. Moreover, they can be synthesized by chemical and electrochemical procedures and combined with other electrochemically active materials to obtain superior electrode materials. Such materials have increased stability, superior energy storage, and effective delivery characteristics, which are suitable for batteries, capacitors, and hybrid systems. In light of the environmental demands for clean energy, this issue is dedicated to new findings related to application of ICPs in electrochemical energy systems.

Prof. Dr. Milica Gvozdenović
Prof. Dr. Branimir N. Grgur
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • intrinsically conducting polymers
  • electrode materials
  • batteries
  • capacitors
  • charge/discharge
  • columbic efficiency
  • capacity
  • specific energy
  • specific power

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Published Papers (2 papers)

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Research

14 pages, 5839 KiB  
Article
Electrochemical and Electrical Performances of High Energy Storage Polyaniline Electrode with Supercapattery Behavior
by Jelena Gojgić, Miloš Petrović, Branimir Jugović, Bojan Jokić, Branimir Grgur and Milica Gvozdenović
Polymers 2022, 14(24), 5365; https://doi.org/10.3390/polym14245365 - 8 Dec 2022
Cited by 3 | Viewed by 1761
Abstract
Polyaniline (PANI), due to its highly reversible electrochemistry with superior energy storage and delivery characteristics, is considered as an electrode material in batteries, capacitors, and hybrid systems. We used a facile electrochemical synthesis for the formation of the PANI electrode using galvanostatic polymerization [...] Read more.
Polyaniline (PANI), due to its highly reversible electrochemistry with superior energy storage and delivery characteristics, is considered as an electrode material in batteries, capacitors, and hybrid systems. We used a facile electrochemical synthesis for the formation of the PANI electrode using galvanostatic polymerization of aniline on the graphite electrode at the current density of 2.0 mA cm−2 from the aqueous electrolyte containing 0.25 mol dm−3 aniline and 1.0 mol dm−3 H2SO4. Electrochemical and electrical characterization suggested excellent energy storage features of the PANI electrode in a three-electrode system with specific energy up to 53 Wh kg−1 and specific power up to 7600 W kg−1. After 2000 successive charge/discharge cycles at 9.5 Ag−1, the PANI electrode retained 95% of the initial capacity, with practically unaltered Coulombic efficiency of nearly 98%, providing a good base for future studies and practical applications. Full article
(This article belongs to the Special Issue Intrinsically Conducting Polymers in Electrochemical Energy Storage)
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16 pages, 2745 KiB  
Article
A Simple Trick to Increase the Areal Specific Capacity of Polypyrrole Membrane: The Superposition Effect of Methyl Orange and Acid Treatment
by Zahra Roohi, Frej Mighri and Ze Zhang
Polymers 2022, 14(21), 4693; https://doi.org/10.3390/polym14214693 - 3 Nov 2022
Cited by 7 | Viewed by 2335
Abstract
Polypyrrole (PPy) is one of the attractive conducting polymers that have been investigated as energy storage materials in devices like supercapacitors. Previously, we have reported a free-standing soft PPy membrane synthesized through interfacial polymerization in which methyl orange (MO) and ferric chloride were [...] Read more.
Polypyrrole (PPy) is one of the attractive conducting polymers that have been investigated as energy storage materials in devices like supercapacitors. Previously, we have reported a free-standing soft PPy membrane synthesized through interfacial polymerization in which methyl orange (MO) and ferric chloride were used as nano template and oxidant. In this work, we report that the presence of MO and the treatment of the PPy–MO membrane with sulfuric acid can dramatically increase the specific capacitance of the membrane. The properties of the membranes were evaluated using scanning electron microscope (SEM) for morphology, Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS) for chemistry, thermogravimetric analysis (TGA) for thermal stability, and cyclic voltammetry (CV), and electrochemical impedance spectroscopy (EIS) for electrochemical activity. It was found that the areal specific capacitance of the PPy membrane increased from 2226 mF/cm2 to 6417 mF/cm2 and the charge transfer resistivity decreased from about 17 Ω to 3 Ω between 10,000 and 0.1 Hz due to the presence of MO and the acid treatment. It is likely that the superposition effect of MO and acid treatment helped the charge transfer process and consequently enhanced the charge storage performance and specific capacitance of the PPy membrane. Full article
(This article belongs to the Special Issue Intrinsically Conducting Polymers in Electrochemical Energy Storage)
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