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Design and Application of Functional Electrocatalysts

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Physical Chemistry".

Deadline for manuscript submissions: 31 July 2024 | Viewed by 3169

Special Issue Editors

Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China
Interests: nanomaterials; electrocatalysis; fuel cell; Zn-air batteries; redox flow batteries

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Guest Editor
Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China
Interests: fundamental electrochemistry; electrocatalysis; redox flow batteries

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Guest Editor
Hydrogen Energy Technology Innovation Center, North China Electric Power University, Beijing, China
Interests: electrocatalysis; PEM fuel cell; PEM water electrolysis

Special Issue Information

Dear Colleagues,

The significant upsurge in consumption of fossil fuels causes environmental pollution and energy crises for the sustainable development of our humanity. Developing alternative clean and renewable energy sources, such as solar, wind, and hydro energies is considered a promising way to address the above issues. However, these energy sources suffer from intermittent availability because of regional or seasonal factors. Electrochemical processes, such as oxygen reduction reaction, hydrogen evolution reaction, Li/Na-ion batteries, redox flow batteries, and supercapacitors, provide a promising way to convert intermittent renewable energies into the form of clean fuels and various chemicals. Therefore, it is highly urgent to develop durable and efficient functional materials for these processes.

In this Special Issue, “Design and Application of Functional Electrocatalysts”, we would like to highlight the most recent advances in material design and application in electrochemical energy conversion and storage processes. The main topics of this Special Issue include, but are not limited to, oxygen reduction/evolution reaction, hydrogen oxidation/evolution reaction, CO2 reduction reaction, nitrogen/nitrate reduction, small molecules oxidation reaction, fuel cells, water electrolysis, metal–ion batteries, metal–air batteries, redox flow batteries, and supercapacitors.

It is our pleasure to invite you to submit a manuscript to this Special Issue. Full papers, communications, and reviews are all welcome.

Dr. Kai Wan
Dr. Zhipeng Xiang
Dr. Aidong Tan
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. Molecules 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

  • nanomaterials
  • electrocatalysis
  • fuel cells
  • water electrolysis
  • metal-ion batteries
  • metal-air batteries
  • redox flow batteries
  • supercapacitors

Published Papers (2 papers)

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Research

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12 pages, 9321 KiB  
Article
Oxidant-Free Electrochemical Direct Oxidative Benzyl Alcohols to Benzyl Aldehydes Using Three-Dimensional Printing PPAR Polyoxometalate
by Wenhui Zhang, Ran Liu, Xueyan Lv, Lirong Jiang, Silu Tang, Gang Liu, Guodong Shen, Xianqiang Huang, Chen Ma and Bingchuan Yang
Molecules 2023, 28(18), 6460; https://doi.org/10.3390/molecules28186460 - 06 Sep 2023
Viewed by 852
Abstract
The oxidation of benzyl alcohols is an important reaction in organic synthesis. Traditional methods for benzyl alcohol oxidation have not been widely utilized due to the use of significant amounts of precious metals and environmentally unfriendly reagents. In recent years, electrocatalytic oxidation has [...] Read more.
The oxidation of benzyl alcohols is an important reaction in organic synthesis. Traditional methods for benzyl alcohol oxidation have not been widely utilized due to the use of significant amounts of precious metals and environmentally unfriendly reagents. In recent years, electrocatalytic oxidation has gained significant attention, particularly electrochemical anodic oxidation, which offers a sustainable alternative for oxidation without the need for external oxidants or reducing agents. Here, a copper monosubstituted phosphotungstate-based polyacrylate resins (Cu-LPOMs@PPAR) catalyst has been fabricated with immobilization and recyclability using 3D printing technology that can be successfully applied in the electrocatalytic oxidation of benzyl alcohol to benzaldehyde, achieving atom economy and reducing pollution. In this protocol, we obtain benzaldehyde in good yields with excellent functional group toleration under metal-free and oxidant-free conditions. This strategy could provide a new avenue for heterogeneous catalysts in application for enhancing the efficiency and selectivity of electrocatalytic oxidation processes. Full article
(This article belongs to the Special Issue Design and Application of Functional Electrocatalysts)
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Review

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17 pages, 2898 KiB  
Review
Research Progress of the Ion Activity Coefficient of Polyelectrolytes: A Review
by Aokai Zhang, Xiuling Yang, Feng Yang, Chunmei Zhang, Qixiong Zhang, Gaigai Duan and Shaohua Jiang
Molecules 2023, 28(5), 2042; https://doi.org/10.3390/molecules28052042 - 22 Feb 2023
Cited by 7 | Viewed by 1949
Abstract
Polyelectrolyte has wide applications in biomedicine, agriculture and soft robotics. However, it is among one of the least understood physical systems because of the complex interplay of electrostatics and polymer nature. In this review, a comprehensive description is presented on experimental and theoretical [...] Read more.
Polyelectrolyte has wide applications in biomedicine, agriculture and soft robotics. However, it is among one of the least understood physical systems because of the complex interplay of electrostatics and polymer nature. In this review, a comprehensive description is presented on experimental and theoretical studies of the activity coefficient, one of the most important thermodynamic properties of polyelectrolyte. Experimental methods to measure the activity coefficient were introduced, including direct potentiometric measurement and indirect methods such as isopiestic measurement and solubility measurement. Next, progress on the various theoretical approaches was presented, ranging from analytical, empirical and simulation methods. Finally, challenges for future development are proposed on this field. Full article
(This article belongs to the Special Issue Design and Application of Functional Electrocatalysts)
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