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Polymers
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Advanced Conductive Polymers in Energy Conversion and Storage
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Advanced Conductive Polymers in Energy Conversion and Storage

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

Deadline for manuscript submissions: closed (15 May 2024) | Viewed by 3098

Special Issue Editors

Dr. Yongqing Zhao

E-Mail Website
Guest Editor
College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, China
Interests: energy conversion and storage; porous carbon; graphyne; conductive polymer; supercapacitors; Li-ion hybrid capacitor/battery; Na-ion hybrid capacitor/battery; Zn-ion hybrid capacitor/battery; electrocatalysis
Dr. Chao Yang

E-Mail Website
Guest Editor
MOE Key Laboratory of New Processing Technology for Nonferrous Metal and Materials, Ministry of Education, University of Technology, Guilin, China
Interests: conductive polymer; energy conversion and storage; Zn-ion hybrid capacitor; flexible electronic; MXene

Special Issue Information

Dear Colleagues,

With the increasing energy demand and environmental issues, the topic of high-efficiency energy conversion and storage has attracted great attention. Conductive polymers are a class of important materials with wide applications in the field of energy storage and conversion, which is due to their excellent conductive properties, processability, low cost, plentiful functional groups, and appealing catalytic and mechanical properties.

This Special Issue focuses on the latest research advances in the design and preparation of conductive polymers and/or their composites and their energy applications. These applications include rechargeable batteries, supercapacitors, and electrocatalysis, among others. We hope that this Special Issue will provide new insights into the design and preparation of advanced conductive polymer materials for addressing these energy issues.

Dr. Yongqing Zhao
Dr. Chao Yang
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

  • energy conversion and storage
  • conductive polymers
  • supercapacitors
  • Li-ion hybrid capacitor/battery
  • Na-ion hybrid capacitor/battery
  • Zn-ion hybrid capacitor/battery
  • electrocatalysis

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

13 pages, 4339 KiB  
Article
Enhanced Lithium-Ion Transport in Lithium Metal Batteries Using ZSM-5 Nanosheets Hybridized Solid Polymer Electrolytes
by Xiaoyan Hu, Jialiang Liu and Baoquan Zhang
Polymers 2024, 16(11), 1604; https://doi.org/10.3390/polym16111604 - 5 Jun 2024
Viewed by 857
Abstract
Solid polymer electrolytes (SPEs) are the key components of lithium metal batteries to overcome the obstacle of insecurity in conventional liquid electrolytes; however, the trade-off between their ionic conductivity and mechanical properties remains a significant challenge. In this work, two-dimensional ZSM-5 nanosheets as [...] Read more.
Solid polymer electrolytes (SPEs) are the key components of lithium metal batteries to overcome the obstacle of insecurity in conventional liquid electrolytes; however, the trade-off between their ionic conductivity and mechanical properties remains a significant challenge. In this work, two-dimensional ZSM-5 nanosheets as fillers are incorporated into a poly(ethylene oxide) (PEO) matrix and lithium salts to obtain composite polymer electrolytes (CPEs). The improved physicochemical and electrochemical properties of the CPE membranes are characterized in full detail. Stripping/plating measurements in symmetric Li/Li cells and cyclic charge/discharge tests are performed to investigate the cyclability and stability of the CPEs. All-solid-state LiFePO4/Li batteries deliver excellent cycling performance with an initial discharge capacity of 152.3 mAh g−1 and 91.4% capacity retention after 200 cycles at 0.2 C, with a discharge specific capacity of 118.8 mAh g−1 remaining after 350 cycles at 0.5 C. Therefore, CPEs containing ZSM-5 nanosheets are a promising option for all-solid-state lithium-ion batteries. Full article
(This article belongs to the Special Issue Advanced Conductive Polymers in Energy Conversion and Storage)
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18 pages, 8658 KiB  
Article
A Solid-State Wire-Shaped Supercapacitor Based on Nylon/Ag/Polypyrrole and Nylon/Ag/MnO2 Electrodes
by Ruirong Zhang, Xiangao Wang, Sheng Cai, Kai Tao and Yanmeng Xu
Polymers 2023, 15(7), 1627; https://doi.org/10.3390/polym15071627 - 24 Mar 2023
Cited by 2 | Viewed by 1772
Abstract
In this work, a novel wire-shaped supercapacitor based on nylon yarn with a high specific capacitance and energy density was developed by designing an asymmetric configuration and integrating pseudocapacitive materials for both electrodes. The nylon/Ag/MnO2 yarn was prepared as a positive electrode [...] Read more.
In this work, a novel wire-shaped supercapacitor based on nylon yarn with a high specific capacitance and energy density was developed by designing an asymmetric configuration and integrating pseudocapacitive materials for both electrodes. The nylon/Ag/MnO2 yarn was prepared as a positive electrode by electrochemically depositing MnO2 on a silver-paste-coated nylon yarn. Additionally, PPy was prepared on nylon/Ag yarn by chemical polymerization firstly to enlarge the surface roughness of nylon/Ag, and then the PPy could be easily coated on the chemically polymerized nylon/Ag/PPy by electrochemical polymerization to obtain a nylon/Ag/PPy yarn-shaped negative electrode. The wire-shaped asymmetric supercapacitor (WASC) was fabricated by assembling the nylon/Ag/MnO2 electrode, nylon/Ag/PPy electrode and PAANa/Na2SO4 gel electrolyte. This WASC showed a wide potential window of 1.6 V and a high energy density varying from 13.9 to 4.2 μWh cm−2 with the corresponding power density changing from 290 to 2902 μW cm−2. Meanwhile, because of the high flexibility of the nylon substrate and superior adhesion of active materials, the WASC showed a good electrochemical performance stability under different bending conditions, suggesting its good flexibility. The promising performance of this novel WASC is of great potential for wearable/portable devices in the future. Full article
(This article belongs to the Special Issue Advanced Conductive Polymers in Energy Conversion and Storage)
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