Advanced Coatings for Fuel Cells

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Engineering for Energy Harvesting, Conversion, and Storage".

Deadline for manuscript submissions: 30 December 2025 | Viewed by 415

Special Issue Editors


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Guest Editor
College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, China
Interests: fuel cells; electrode materials; carbon deposition; fuel conversion; biomass utilization; characterization and testing

E-Mail Website
Guest Editor
Institute of Industrial Science, The University of Tokyo, Tokyo, Japan
Interests: solid oxide fuel cells; solid oxide electrolysis; electrochemistry; thermophysics; machine learning

Special Issue Information

Dear Colleagues,

Amidst the challenges posed by global climate change, reducing carbon emissions has emerged as a critical focus for the international community. Fuel cells, as efficient and clean energy conversion devices, offer significant advantages in enhancing the rate of energy utilization and mitigating carbon emissions. To delve deeper into the current state and future trends related to fuel cell technology, particularly focusing on the optimization of electrodes and electrolytes to enhance the performance of fuel cells and fuel utilization, we invite you to contribute a paper that enriches and advances research in this field.

This Special Issue, entitled "Advanced Coatings for Fuel Cells", specifically encompasses advancements in electrode and electrolyte optimization. Material design and modification are pivotal in enhancing the properties of materials for diverse applications. The former involves tailoring materials by manipulating their composition, structure, and morphology based on the principles of material science and innovative methodologies. Modification techniques, such as doping, surface coating, and the formation of composites, enhance existing materials. Nanotechnology has expanded the horizon by offering size-dependent properties and controlled synthesis methods such as sol–gel, template-assisted synthesis, and self-assembly. Computational material science further accelerates this process by predicting properties and optimizing designs through simulations. Together, these strategies continuously push the boundaries of material science and technology, enabling the creation of superior materials that are tailored to specific needs.

In this Special Issue, original research articles and reviews are welcome. The scope of this Special Issue includes, but is not limited to, the following topics:

  • Advanced fuel cell materials;
  • Coating technology for fuel cells;
  • Catalytic materials for electrochemical energy conversion and storage;
  • Design of anti-carbon deposition electrode;
  • Fuel conversion and utilization;
  • AI for fuel cells.

We look forward to receiving your contributions.

Dr. Dongxu Cui
Dr. Zewei Lyu
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. Coatings 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 2600 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

  • fuel cells
  • electrode materials
  • carbon deposition
  • fuel conversion
  • biomass utilization
  • characterization of material and microstructure

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Published Papers (1 paper)

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Research

16 pages, 6315 KiB  
Article
Potential of Cellulose After Oxidative Torrefaction for Fuel Enhancement and Utilization: Properties and Pyrolysis Characteristics
by Lingzhi Zhu, Kehui Cen, Xiayu Ni, Mian Liu and Dengyu Chen
Coatings 2025, 15(4), 407; https://doi.org/10.3390/coatings15040407 - 29 Mar 2025
Viewed by 275
Abstract
This study explored the properties and pyrolysis characteristics of oxidatively torrefied cellulose to enhance biomass utilization and conversion. Cellulose was torrefied at 200–300 °C with oxygen concentrations of 0%–15%. The carbon content in cellulose could reach up to 53.06%, while the oxygen content [...] Read more.
This study explored the properties and pyrolysis characteristics of oxidatively torrefied cellulose to enhance biomass utilization and conversion. Cellulose was torrefied at 200–300 °C with oxygen concentrations of 0%–15%. The carbon content in cellulose could reach up to 53.06%, while the oxygen content decreased to 41.53% under the conditions of 300 °C and a 15% oxygen concentration. Meanwhile, its higher heating value (HHV) increased from 15.22 to 16.95 MJ/kg, improving the energy density and fuel quality. Both the carbon yield (CY) and energy yield (EY) of cellulose decreased noticeably with increasing oxygen concentrations at 300 °C, reaching minimum values of 46.33% and 51.05%, respectively, which were lower than the 64.5% and 71.85% observed under non-oxidative torrefaction. FTIR and XRD showed that higher temperatures and oxygen concentrations accelerated cellulose bond breaking and crystallinity disruption, enhancing thermochemical conversion. Oxidative torrefaction lowered the pyrolysis initiation temperature, with the most evident effect occurring at a 5% oxygen concentration of 300 °C. Increased oxygen concentrations altered pyrolysis products, with anhydrosugars rising then falling, and more furans, aromatics, and phenols produced. This study demonstrates that oxidative torrefaction effectively enhances the energy density of cellulose, showing promising potential for biomass utilization as a renewable fuel. Full article
(This article belongs to the Special Issue Advanced Coatings for Fuel Cells)
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