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Journals
Catalysts
Special Issues
New Advances in Photocatalytic Hydrogen Production
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New Advances in Photocatalytic Hydrogen Production

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

Deadline for manuscript submissions: 31 August 2024 | Viewed by 744

Special Issue Editors

Dr. Bing Luo

E-Mail Website
Guest Editor
School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, China
Interests: solar energy conversion; photocatalysis; water splitting; surface plasmon resonance; gas sensing; quantum dots
Dr. Xu Guo

E-Mail Website
Guest Editor
Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi’an 710119, China
Interests: photocatalysts; heterostructures; solar water splitting; interfacial charge transfer

Special Issue Information

Dear Colleagues,

Clean and carbon-free hydrogen exhibits promise regarding its capacity to become the most feasible energy carrier of traditional fossil fuels. Photocatalytic technology could convert sustainable solar energy to hydrogen without the emission of any contaminants; therefore, addressing energy issues and achieving carbon neutrality is an appealing approach. This specific field has already attracted extensive attention and is now relevant in the domain of solar-to-hydrogen efficiency, fulfilling the requirements of industrial application.

This Special Issue, entitled “New Advances in Photocatalytic Hydrogen Production”, will cover the most recent progress in the discovery of novel materials and the design of efficient catalysts, the fundamental exploration of the reaction mechanism, and the development of advanced characterization methods, etc., relating to photocatalytic hydrogen production. This Special Issue welcomes the submission of original research and review papers within its scope and aims to inspire further developments in this expanding and prospering research field.

Dr. Bing Luo
Dr. Xu Guo
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

  • photocatalysis
  • solar energy
  • water splitting
  • hydrogen production
  • solar-to-hydrogen efficiency

Published Papers (1 paper)

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Research

18 pages, 4832 KiB  
Article
A Numerical Case Study of Particle Flow and Solar Radiation Transfer in a Compound Parabolic Concentrator (CPC) Photocatalytic Reactor for Hydrogen Production
by Jiafeng Geng, Qingyu Wei, Bing Luo, Shichao Zong, Lijing Ma, Yu Luo, Chunyu Zhou and Tongkun Deng
Catalysts 2024, 14(4), 237; https://doi.org/10.3390/catal14040237 - 02 Apr 2024
Viewed by 528
Abstract
Compound parabolic concentrator (CPC) photocatalytic reactors are commonly used for photocatalytic water splitting in hydrogen production. This study aimed to gain a better understanding of the physical processes in CPC photocatalytic reactors and provide theoretical support for their design, optimization, and operation. The [...] Read more.
Compound parabolic concentrator (CPC) photocatalytic reactors are commonly used for photocatalytic water splitting in hydrogen production. This study aimed to gain a better understanding of the physical processes in CPC photocatalytic reactors and provide theoretical support for their design, optimization, and operation. The analysis involved the ray tracing approach, Euler–Euler two-fluid model, and discrete ordinates method (DOM) to study solar radiation transfer and particle flow in the reactor. The distribution of solar radiation on the receiving tube’s surface after CPC concentration was obtained by conducting the ray tracing approach. This solar radiation distribution was then coupled into the Euler–Euler two-fluid model to solve for the natural convection flow field, the temperature field, and particle phase volume fraction distribution inside the receiving tube over a period of 120 s. Lastly, the discrete ordinates method (DOM) was used to analyze the transfer of radiation inside the receiving tube at different times, obtaining the distribution of local volume radiative power absorption (LVRPA) and the total radiative power absorption (TRPA) inside the tube. The results showed that the TRPA reached its maximum at 120 s, accounting for 66.61% of the incident solar UV radiation. According to the above results, it could be suggested that adopting an intermittent operation mode in CPC photocatalytic reactors is reasonable and efficient. Full article
(This article belongs to the Special Issue New Advances in Photocatalytic Hydrogen Production)
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