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Catalysts
Special Issues
Catalyzing Electrosynthesis
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Catalyzing Electrosynthesis

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

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 3912

Special Issue Editor

Prof. Dr. Hao Wu

E-Mail Website
Guest Editor
Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, China
Interests: electrocatalysis; electrochemistry; catalysts; MXene; 2D materials

Special Issue Information

Dear Colleagues,

Electrosynthesis has gained increasing research interest in the past decade, which represents an attractive mild synthetic way to effectively alleviate environmental deterioration in a rapidly developing society. This exciting tool has achieved small organic and inorganic molecules, macromolecule pharmaceuticals, and many more valuable chemicals that highly rely on traditional high-energy-input and time-consuming synthesis in the past.

We are pleased to invite you to contribute to the Special Issue “Catalyzing Electrosynthesis” of the journal Catalysts (ISSN 2073-4344).

This Special Issue aims to publish a set of both fundamental and applied research across the cutting-edge catalysts and electrosynthesis areas. In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Carbohydrate (from C1 to C3+) electrosynthesis from CO, CO2;
  • Ammonia electrosynthesis from N2, NO3−, NO, etc.;
  • Urea electrosynthesis from CO2 and NH3, NO3−, N2, etc.;
  • H2, O2, and H2O2 electrosynthesis from H2O;
  • Organic molecules, pharmaceuticals, and organometallic electrosynthesis;
  • C–H functionalization.

We look forward to receiving your contributions.

Prof. Dr. Hao Wu 
Guest Editor

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. 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.

Keywords

  • catalysts
  • electrosynthesis
  • electrochemistry
  • energy
  • efficiency

Published Papers (2 papers)

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Research

12 pages, 4425 KiB  
Article
Preparation and Electrocatalytic Activity of Bimetallic Ni-Cu Micro- and Nanoparticles
by Nina M. Ivanova, Zainulla M. Muldakhmetov, Yelena A. Soboleva, Yakha A. Vissurkhanova and Moldir E. Beisenbekova
Catalysts 2023, 13(8), 1166; https://doi.org/10.3390/catal13081166 - 30 Jul 2023
Viewed by 907
Abstract
Bimetallic Ni/Cu core–shell and Cu-Ni heterostructural micro- and nanoparticles were prepared using two simple successive reduction procedures. Monometallic Ni and Cu particles were synthesized for comparison. The phase constitutions and morphological features of the particles were studied by means of X-ray diffraction, energy-dispersive [...] Read more.
Bimetallic Ni/Cu core–shell and Cu-Ni heterostructural micro- and nanoparticles were prepared using two simple successive reduction procedures. Monometallic Ni and Cu particles were synthesized for comparison. The phase constitutions and morphological features of the particles were studied by means of X-ray diffraction, energy-dispersive X-ray spectroscopy, and scanning electron microscopy methods. All the prepared mono- and bimetallic particles were applied as electrocatalysts in the electrohydrogenation of p-nitrophenol (p-NPh). An additional electrochemical reduction of copper cations during the hydrogen saturation of Cu-containing particles was established. The prepared Ni/Cu particles exhibited the highest electrocatalytic activity with an increase in the hydrogenation rate of p-NPh by more than three times compared to its electrochemical reduction on the nonactivated cathode, and p-NPh conversion yielded the maximum values. The main product of p-NPh electrocatalytic hydrogenation over Ni-Cu particles is p-aminophenol, which is an intermediate in the synthesis of many drugs. p-Aminophenol formation is confirmed by UV-Vis spectra. Full article
(This article belongs to the Special Issue Catalyzing Electrosynthesis)
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17 pages, 7340 KiB  
Article
Alkaline Media Regulated NiFe-LDH-Based Nickel–Iron Phosphides toward Robust Overall Water Splitting
by Xiaohu Xu, Xinyue Yu, Kaiwei Guo, Lijuan Dong and Xiangyang Miao
Catalysts 2023, 13(1), 198; https://doi.org/10.3390/catal13010198 - 14 Jan 2023
Cited by 4 | Viewed by 2400
Abstract
The search for low-cost, high-performance, and robust stability bifunctional electrocatalysts to substitute noble metals-based counterparts for overall water splitting to generate clean and sustainable hydrogen energy is of great significance and challenges. Herein, a high-efficient bi-functional nickel–iron phosphide on NiFe alloy foam (denoted [...] Read more.
The search for low-cost, high-performance, and robust stability bifunctional electrocatalysts to substitute noble metals-based counterparts for overall water splitting to generate clean and sustainable hydrogen energy is of great significance and challenges. Herein, a high-efficient bi-functional nickel–iron phosphide on NiFe alloy foam (denoted as e-NFP/NFF) with 3D coral-like nanostructure was controllably constructed by means of alkali etching and the introduction of non-metallic atoms P. The unique superhydrophilic coral-like structure can not only effectively facilitate the exposure of catalytic active sites and increase the electroactive surface area, but also accelerate charge transport and bubble release. Furthermore, owing to the synergistic effect between the bicomponent of nickel–iron phosphides as well as the strong electronic interactions of the multiple metal sites, the as-fabricated catalyst behaves with excellent bifunctional performance for the hydrogen evolution reaction (overpotentials of 132 and 286 mV at 10 and 300 mA·cm−2, respectively) and oxygen evolution reaction (overpotentials of 181 and 303 mV at 10 and 300 mA·cm−2, respectively) in alkaline electrolytes. Impressively, cells with integrated e-NFP/NFF electrodes as a cathode and anode require only a low cell voltage (1.58 V) to drive a current density of 10 mA·cm−2 for overall water splitting, along with remarkable stability in long-term electrochemical durability tests. This study provides a tunable synthetic strategy for the development of efficient and durable non-noble metal bifunctional catalysts based on the construction of an elaborate structure framework and rational design of the electronic structure. Full article
(This article belongs to the Special Issue Catalyzing Electrosynthesis)
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