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Nanomaterials
Special Issues
Nanoscale Engineering for Sustainable Hydrogen Production and Utilization
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Nanoscale Engineering for Sustainable Hydrogen Production and Utilization

A Special Issue of Nanomaterials (ISSN 2079-4991) belonging to the section "Energy and Catalysis".

Deadline for manuscript submissions: 5 March 2027 | Viewed by 1429

Editor

Dr. Jingwen Ma

E-Mail Website
Guest Editor
School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
Interests: single-atom catalyst; electrocatalysis; heterogeneous catalysts; nanomaterials; hydrogen evolution reaction; battery; green energy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Hydrogen has emerged as a pivotal clean energy carrier in the global transition towards a sustainable and carbon-neutral future. The efficiency, scalability, and economic viability of hydrogen production and utilization processes are heavily dependent on the design and performance of functional nanomaterials. Nanoscale engineering enables precise control over material properties, such as particle size, morphology, surface area, and electronic structure, thereby significantly enhancing catalytic activity, durability, and selectivity in hydrogen-related applications.

This Special Issue of Nanomaterials aims to gather cutting-edge research and comprehensive reviews on the development and application of advanced nanomaterials for sustainable hydrogen production and utilization. Topics of interest include, but are not limited to, photocatalytic and electrocatalytic water splitting, thermochemical hydrogen production, hydrogen storage materials, and fuel cell technologies. We also welcome contributions on novel characterization techniques, theoretical modeling, and life-cycle assessment of nanomaterial-based hydrogen systems.

We invite submissions of original research articles and reviews that showcase recent advancements, address existing challenges, and propose innovative solutions in this rapidly evolving field.

Dr. Jingwen Ma
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 250 words) can be sent to the Editorial Office for assessment.

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-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly 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 2400 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

  • hydrogen evolution
  • nanomaterials
  • electrocatalysis
  • photocatalysis
  • fuel cells
  • energy conversion

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Published Papers (2 papers)

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Research

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19 pages, 4346 KB  
Article
Comparison of the Catalytic Performance of Several Coal Gangue-Based Catalysts on Tar-Rich Coal Pyrolysis in a TGA and a Fixed-Bed Reactor
by Zhibing Chang, Chao Wang, Zhiwei Hu, Chuchu Wang, Yuliang Ma, Huiyan Li and Mo Chu
Nanomaterials 2026, 16(14), 869; https://doi.org/10.3390/nano16140869 - 15 Jul 2026
Viewed by 350
Abstract
Coal gangue shows promise as a potential raw material for coal pyrolysis catalysts. This study prepared coal gangue char catalysts from two types of coal gangue (CGY and CGH) via pyrolysis at 700 °C under N2, O2/N2 and [...] Read more.
Coal gangue shows promise as a potential raw material for coal pyrolysis catalysts. This study prepared coal gangue char catalysts from two types of coal gangue (CGY and CGH) via pyrolysis at 700 °C under N2, O2/N2 and steam/N2 atmospheres, labeled as CGY-N, CGY-ON, CGY-SN and CGH-N, CGH-ON, CGH-SN, respectively. Their catalytic performance in tar-rich coal pyrolysis was evaluated using a thermogravimetric analyzer and a fixed-bed reactor. Results showed that reactive atmosphere-derived char catalysts promoted coal weight loss, with CGY-SN and CGH-SN increasing weight loss of coal pyrolysis at 600 °C from 20.51 wt% to 22.05 wt% and 22.50 wt%, respectively. These catalysts generally reduced tar yield while increasing semicoke and water yields. They also decreased monocyclic aromatic hydrocarbons and enriched polycyclic aromatic hydrocarbons in the tar, alongside promoting the production of CH4, H2 and CO. Furthermore, they enhanced the gasification reactivity of the resulting semicoke. CGY-ON demonstrated particularly high activity, which is likely associated with its richness in K-, Ca- and Fe-bearing minerals, coupled with the exposure of active sites resulting from organic matter consumption under the O2/N2 atmosphere. An exception was CGH-N and CGH-SN, which increased monocyclic aromatic hydrocarbons from 25.67% to 30.65% and 31.64%, possibly related to shape-selective catalysis in the newly formed micropores. These insights provide a preliminary basis for the development of efficient coal gangue-based catalysts for tar-rich coal pyrolysis. Full article
(This article belongs to the Special Issue Nanoscale Engineering for Sustainable Hydrogen Production and Utilization)
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Review

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29 pages, 16954 KB  
Review
A Review of Transition Metal Phosphides for Hydrazine-Assisted Electrolytic Water Splitting for Hydrogen Production
by Minghao Yuan, Jun Wang, Xiaoqing Liao, Junhan Wang, Minghao Bian and Jingwen Ma
Nanomaterials 2026, 16(14), 874; https://doi.org/10.3390/nano16140874 - 16 Jul 2026
Viewed by 687
Abstract
Electrochemical water splitting for hydrogen production is an important path for the preparation of green hydrogen. However, the sluggish kinetics and high energy consumption of the anode oxygen evolution reaction (OER) have restricted its development. The hydrazine oxidation reaction (HzOR), with its low [...] Read more.
Electrochemical water splitting for hydrogen production is an important path for the preparation of green hydrogen. However, the sluggish kinetics and high energy consumption of the anode oxygen evolution reaction (OER) have restricted its development. The hydrazine oxidation reaction (HzOR), with its low theoretical potential, fast kinetics, clean products, and the ability to simultaneously treat hydrazine-containing wastewater, has emerged as an ideal anode reaction to replace OER. Transition metal phosphides (TMPs) have shown noble-metal-like activity in HzOR catalysis due to their tunable d-band electronic structure, abundant active sites, high conductivity, and structural stability, making them highly promising non-noble metal catalysts. However, most existing reviews focus on the catalytic performance of TMPs in general hydrogen evolution reaction (HER)/OER systems or merely briefly mention HzOR as one of many anode reactions. Therefore, this review aims to comprehensively and systematically elaborate on the design strategies of TMPs catalysts for hydrazine-assisted electrolytic water splitting for hydrogen production and their applications in HzOR, deeply discuss the current progress, challenges, and future directions, and provide references for the development and industrial application of low-cost, high-efficiency, and high-stability hydrazine-assisted hydrogen production catalysts. Full article
(This article belongs to the Special Issue Nanoscale Engineering for Sustainable Hydrogen Production and Utilization)
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