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Catalysts
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Recent Progress in Electrocatalytic Production and Reaction in Water Electrolyzers...
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Recent Progress in Electrocatalytic Production and Reaction in Water Electrolyzers and Fuel Cells

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

Deadline for manuscript submissions: closed (31 October 2022) | Viewed by 3919

Special Issue Editors

Dr. Kui Li

E-Mail Website
Guest Editor
MPA-11, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
Interests: electrochemistry; electrocatalysis; fuel cells; water electrolyzer; hydrogen; electrochemical energy conversion reactions
Special Issues, Collections and Topics in MDPI journals
Dr. Gaoqiang Yang

E-Mail Website
Co-Guest Editor
College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China
Interests: energy harvesting/conversion/storage devices (fuel cell, electrolyzer, etc.); nems/mems fabrication; multi-scale fluidics; heat transfer
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Hydrogen economy is one of the most promising directions regarding the diversification of energy sources and reduced reliance on fossil fuels. The state-of-the-art technologies of renewable energy production and storage have become extremely attractive in the following two reverse vectors. On the one hand, the electricity generated from renewable sources, e.g., biomass, geothermal, solar, tides, hydroelectricity, and wind, could be stored as a clean energy carrier of hydrogen by water electrolysis. On the other hand, the stored hydrogen would be transformed back to electricity through fuel-cell reactions in energy conversion and storage systems.

The aim of this Special Issue on “Recent Progress in Electrocatalytic Production and Reaction in Water Electrolyzers and Fuel cells” is to present state-of-the-art works regarding catalyst preparation and device development in cells. We invite researchers to disseminate studies on electrocatalytic production and reaction in water electrolyzers and fuel cells, including catalyst and support material preparation for hydrogen evolution/oxidation reactions, oxygen evolution/reduction reactions, liquid alcohol oxidation reaction, biomass-derived compounds conversion, CO2 reduction, etc., as well as the investigation of electrocatalytic mechanisms in corresponding fields. Studies pertaining to cell design and device component development for the in situ application in water electrolyzers and fuel cells are also welcome.

Dr. Kui Li
Dr. Gaoqiang 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. 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

  • electrochemistry and electrocatalysis
  • hydrogen evolution/oxidation reactions
  • oxygen evolution/reduction reactions
  • liquid alcohol oxidation reaction
  • biomass-derived compounds conversion
  • electrochemical reduction of carbon dioxides
  • fuel cells
  • water electrolzyers

Published Papers (2 papers)

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Research

19 pages, 4422 KiB  
Article
Synergistic Effect between Ni and Ce Dual Active Centers Initiated by Activated Fullerene Soot for Electro-Fenton Degradation of Tetracycline
by Chi Li, Yongfu Lian and Qin Zhou
Catalysts 2022, 12(5), 509; https://doi.org/10.3390/catal12050509 - 02 May 2022
Cited by 3 | Viewed by 1476
Abstract
The degradation of a high concentration of organic pollutants has long been a challenge to water restoration, and the development of electro-Fenton catalysis offers a practical approach to solving this problem. In this study, a novel electro-Fenton catalyst, activated fullerene soot-loaded NiO-doped CeO [...] Read more.
The degradation of a high concentration of organic pollutants has long been a challenge to water restoration, and the development of electro-Fenton catalysis offers a practical approach to solving this problem. In this study, a novel electro-Fenton catalyst, activated fullerene soot-loaded NiO-doped CeO2 (0.4(0.4NiO-CeO2)-AFS) nanoparticles, was prepared through the impregnation of 0.4NiO-CeO2 particles and activated fullerene soot (AFS). When applied for the degradation of 200 mg/L of tetracycline, this catalyst demonstrated a degradation rate as high as 99%. Even after 20 cycles, the degradation rate was more than 80%. Moreover, it was concluded that AFS could initiate the synergistic effect between Ni and Ce dual active centers in the degradation of tetracycline; this can be ascribed to the extremely large specific surface area of AFS. Full article
(This article belongs to the Special Issue Recent Progress in Electrocatalytic Production and Reaction in Water Electrolyzers and Fuel Cells)
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10 pages, 2747 KiB  
Communication
Preparation Strategy Using Pre-Nucleation Coupled with In Situ Reduction for a High-Performance Catalyst towards Selective Hydrogen Production from Formic Acid
by Qinglei Meng, Xiaolong Yang, Xian Wang, Meiling Xiao, Kui Li, Zhao Jin, Junjie Ge, Changpeng Liu and Wei Xing
Catalysts 2022, 12(3), 325; https://doi.org/10.3390/catal12030325 - 11 Mar 2022
Cited by 3 | Viewed by 1916
Abstract
Formic acid decomposition (FAD) is one of the most promising routes for rapid hydrogen (H2) production. Extensive efforts have been taken to develop efficient catalysts, which calls for the simultaneous regulation of the electronic structure and particle size of the catalyst. [...] Read more.
Formic acid decomposition (FAD) is one of the most promising routes for rapid hydrogen (H2) production. Extensive efforts have been taken to develop efficient catalysts, which calls for the simultaneous regulation of the electronic structure and particle size of the catalyst. The former factor determines the intrinsic performance, while the latter corresponds to the active site utilization. Here, an effective preparation strategy, pre-nucleation coupled with in situ reduction, is developed to realize and well-tune both surface electronic states and particle size of the pallidum (Pd) catalyst. Benefiting from the structural merits, the as-prepared catalyst exhibits high mass-specific activity of 8.94 molH2/(gPd·h) with few carbon monoxide (CO) molecules, and the activation energy could reach a value as small as 33.1 kJ/mol. The work not only affords a highly competitive FAD catalyst but also paves a new avenue to the synthesis of ultra-fine metal nanoparticles with tailorable electronic structures. Full article
(This article belongs to the Special Issue Recent Progress in Electrocatalytic Production and Reaction in Water Electrolyzers and Fuel Cells)
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