In-Depth Study of Electrochemical Reduction Catalysts and Promoters toward Green and Sustainable Processes

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Electrocatalysis".

Deadline for manuscript submissions: 30 May 2024 | Viewed by 1839

Special Issue Editors

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Guest Editor
1. Institute of Chemistry of OrganoMetallic Compounds (ICCOM-CNR), via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
2. Department of Chemical and Pharmaceutical Sciences, Institute of Chemistry of OrganoMetallic Compounds (ICCOM-CNR), University of Trieste, 34127 Trieste, Italy
Interests: electrochemistry; electrocatalysis; renewable energy; metal-free electrocatalysts; carbon dioxide reduction reaction; oxygen reduction reaction; nitrogen reduction reaction

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Guest Editor
Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, China
Interests: photochemical/photoelectrochemical energy conversion; photocatalysis and photo-reforming; self-organized TiO2 nanotube arrays; direct ethanol fuel cells; electrochemically shape-controlled synthesis
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Special Issue Information

Dear Colleagues,

The energy crisis that we are witnessing today and the growing number of related environmental problems indicate the need to explore more sustainable energy sources that can reduce our great dependence on fossil-based fuels. The challenges we face in regard to energy storage and production and utilization approaches require that we develop alternative and sustainable routes, of which one of the most promising alternatives, in terms of sustainability and the possibility of controlled environmental impact, may be electrochemistry/electrocatalysis.

Different electrocatalytic processes could be used to target the above-mentioned challenges, i.e., the oxygen reduction reaction (ORR), carbon dioxide reduction reaction (CO2RR) and nitrogen reduction reaction (NRR). The benefit of these processes is described by the concept of “value added output”, achieved through the production of energy or energy vectors, as well as fuels and industrially useful building blocks.

The aim of this Special Issue, entitled “In-Depth Study of Electrochemical Reduction Catalysts and Promoters Toward Green and Sustainable Processes”, is to investigate the latest approaches to the design, development and characterization of high-efficiency electrocatalysts for ORR, CO2RR and NRR electrocatalysis, with descriptions of the key features of different materials that can be defined as good candidates for sustainability.

Publications focused on the preparation, in-depth characterization and specific working conditions of different electrocatalytic materials for electrocatalytic reduction reactions  (metal-based, metal-free, carbon-based, etc.) are of great interest and welcome for submission to this Special Issue, which aims to provide useful suggestions for upcoming and future studies in this highly topical research field.

Dr. Manuela Bevilacqua
Prof. Dr. Yanxin Chen
Guest Editors

Manuscript Submission Information

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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. Catalysts is an international peer-reviewed open access monthly 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.


  • electrochemistry
  • electrocatalysis
  • fuel cells and electrolyzers
  • hydrogen energy vector
  • electroreforming
  • renewable energy
  • renewable feedstock
  • valuable chemicals
  • sustainability

Published Papers (1 paper)

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17 pages, 8450 KiB  
The Construction of p/n-Cu2O Heterojunction Catalysts for Efficient CO2 Photoelectric Reduction
by Qianqian Zhou, Yanxin Chen, Haoyan Shi, Rui Chen, Minghao Ji, Kexian Li, Hailong Wang, Xia Jiang and Canzhong Lu
Catalysts 2023, 13(5), 857; - 8 May 2023
Cited by 2 | Viewed by 1495
Cu2O is a p-type direct bandgap semiconductor with a band gap of 2~2.2 eV, which has excellent visible light absorption and utilization. However, slow charge transfer and poor stability hinder its practical application. In this paper, a facile electrodeposition approach successfully [...] Read more.
Cu2O is a p-type direct bandgap semiconductor with a band gap of 2~2.2 eV, which has excellent visible light absorption and utilization. However, slow charge transfer and poor stability hinder its practical application. In this paper, a facile electrodeposition approach successfully synthesized the heterostructure of p-Cu2O and n-Cu2O. The protective layer of n-Cu2O on the surface of p-Cu2O nanoparticles forms a p/n heterojunction. Due to the p/n heterojunction, the PEC performance of p/n-Cu2O is enhanced significantly. The charge separation efficiency of photogenerated electron/hole pairs in p/n-Cu2O is greatly improved. Therefore, p/n-Cu2O shows superior photoelectrochemical (PEC) CO2 reduction reaction (CO2RR) efficiency when used as a photocathode. Full article
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