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Catalysts
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Catalysts for Energy Storage
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Catalysts for Energy Storage

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Catalysis for Sustainable Energy".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 1493

Special Issue Editors

Dr. Faqi Zhan

E-Mail Website
Guest Editor
1. School of Chemistry and Chemical Engineering, Central South University, Changsha , China
2. State Key Laboratory of Advanced Processing and Recycling of Non-Ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
Interests: fabrication and corrosion properties of aluminide coated steels
Dr. Yisi Liu

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Hubei Normal University, Huangshi, China
Interests: electrochemistry and electrocatalysis; metal–air batteries
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Photo/electrocatalysis is a method of promoting chemical reactions using light energy or electrical energy, which has important application prospects in energy conversion and environmental protection. Designing and preparing highly efficient catalyst materials is a crucial step, which requires a deep understanding of catalytic reaction mechanisms and the interactions between substances on the surface, in order to find new materials that can improve catalytic activity and selectivity. At the same time, the development of advanced catalyst characterization techniques is also a key focus of current research. By using various advanced experimental techniques and analytical methods, a more comprehensive understanding of the role of the catalyst in the reaction process and its structural features can be obtained, providing strong support for optimizing the design of new high-efficiency catalysts.

This Special Issue will present the most recent and significant developments in novel high-efficiency catalyst materials and characterization techniques. Original papers on the above topics and short reviews are welcome for submission.

Dr. Faqi Zhan
Dr. Yisi Liu
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 2200 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

  • photo/electrocatalysis
  • high efficiency and stability
  • new structure and morphology
  • novel preparation and characterization methods
  • catalytic mechanism and theory

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

Published Papers (2 papers)

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Research

21 pages, 6029 KiB  
Article
Exploring Perhydro-Benzyltoluene Dehydrogenation Using Sulfur-Doped PtMo/Al2O3 Catalysts
by Kevin Alconada, Fatima Mariño, Ion Agirre and Victoria Laura Barrio
Catalysts 2025, 15(5), 485; https://doi.org/10.3390/catal15050485 - 16 May 2025
Viewed by 81
Abstract
This study investigates the dehydrogenation of perhydrobenzyltoluene, a Liquid Organic Hydrogen Carrier (LOHC), using sulfur-doped bimetallic PtMo/Al2O3 catalysts. Based on previous research that highlighted the superior performance of PtMo catalysts over monometallic Pt catalysts, this work focuses on minimizing byproduct [...] Read more.
This study investigates the dehydrogenation of perhydrobenzyltoluene, a Liquid Organic Hydrogen Carrier (LOHC), using sulfur-doped bimetallic PtMo/Al2O3 catalysts. Based on previous research that highlighted the superior performance of PtMo catalysts over monometallic Pt catalysts, this work focuses on minimizing byproduct formation, specifically methylfluorene, through sulfur doping. Catalysts with low platinum content (<0.3 wt.%) were synthesized using the wet impregnation method by varying sulfur concentrations to study their impact on catalytic activity. Characterization techniques, including CO–DRIFT and CO–TPD, revealed the role of sulfur in selectively blocking low-coordinated Pt sites, thus improving selectivity and maintaining high dispersion. Catalytic tests revealed that samples with ≥0.1 wt.% sulfur achieved up to a threefold reduction in methylfluorene formation compared to the unpromoted PtMo/Al2O3 sample, with a molar fraction below 2% at 240 min. In parallel, these samples reached a degree of dehydrogenation (DoD) above 85% within 240 min, demonstrating that improved selectivity can be achieved without compromising catalytic performance. Full article
(This article belongs to the Special Issue Catalysts for Energy Storage)
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20 pages, 11208 KiB  
Article
Facile Synthesis of a Micro–Nano-Structured FeOOH/BiVO4/WO3 Photoanode with Enhanced Photoelectrochemical Performance
by Ruixin Li, Faqi Zhan, Guochang Wen, Bing Wang, Jiahao Qi, Yisi Liu, Chenchen Feng and Peiqing La
Catalysts 2024, 14(11), 828; https://doi.org/10.3390/catal14110828 - 17 Nov 2024
Cited by 1 | Viewed by 1008
Abstract
In the realm of photoelectrocatalytic (PEC) water splitting, the BiVO4/WO3 photoanode exhibits high electron–hole pair separation and transport capacity, rendering it a promising avenue for development. However, the charge transport and reaction kinetics at the heterojunction interface are suboptimal. This [...] Read more.
In the realm of photoelectrocatalytic (PEC) water splitting, the BiVO4/WO3 photoanode exhibits high electron–hole pair separation and transport capacity, rendering it a promising avenue for development. However, the charge transport and reaction kinetics at the heterojunction interface are suboptimal. This study uses the hydrothermal–electrodeposition–dip coating–calcination method to prepare a microcrystalline WO3 photoanode thin film as the substrate material and combines it with nanocrystalline BiVO4 to form a micro–nano-structured heterojunction photoanode to enhance the intrinsic and surface/interface charge transport properties of the photoanode. Under the condition of 1.23 V vs. RHE, the photoelectric current density reaches 1.09 mA cm−2, which is twice that of WO3. Furthermore, by using a simple impregnation–mineralization method to load the amorphous FeOOH catalyst, a noncrystalline–crystalline composite structure is formed to increase the number of active sites on the surface and reduce the overpotential of water oxidation, lowering the onset potential from 0.8 V to 0.6 V (vs. RHE). The photoelectric current density is further increased to 2.04 mA cm−2 (at 1.23 V vs. RHE). The micro–nano-structure and noncrystalline–crystalline composite structure proposed in this study will provide valuable insights for the design and synthesis of high-efficiency photoelectrocatalysts. Full article
(This article belongs to the Special Issue Catalysts for Energy Storage)
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