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Plasma
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Recent Advances of Dielectric Barrier Discharges, 2nd Edition
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Recent Advances of Dielectric Barrier Discharges, 2nd Edition

A special issue of Plasma (ISSN 2571-6182).

Deadline for manuscript submissions: 20 August 2026 | Viewed by 556

Special Issue Editor

Prof. Dr. Bruno Caillier

E-Mail Website
Guest Editor
Laboratoire Diagnostics Des Plasmas Hors Equilibre (DPHE), Institut National Universitaire Champollion, 81000 Albi, France
Interests: dielectric barrier discharges; luminophore; plasma jet; xenon; lampe; optimisation; mercure; AMC
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Following the success of the first Special Issue of “Recent Advances of Dielectric Barrier Discharges” (https://www.mdpi.com/journal/plasma/special_issues/0JL9U0Y1E1), we decided to launch a second edition with additional topics. The first Special Issue published six papers from reputable authors. During a period of around one year, the papers were viewed over 9847 times, with 1783 downloads and 12 citations. In recent years, we have witnessed unprecedented advances in DBD sources, diagnostic techniques, and computational modeling, driving deeper understanding of discharge physics and plasma–surface interactions. These developments have accelerated translation into real-world applications, demanding an updated forum for the community to share cutting-edge findings.

This second edition will showcase emerging research on novel DBD configurations, including flexible and portable devices for biomedical use, as well as integration with catalysis for sustainable chemistry. We invite contributions on plasma–liquid interactions, plasma medicine mechanisms, in situ diagnostics, machine learning-assisted optimization, and scale-up for industrial applications. Both experimental and numerical studies are welcome to reflect the multidisciplinary evolution of DBD science and technology.

Prof. Dr. Bruno Caillier
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-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plasma is an international peer-reviewed open access quarterly 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 1400 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

  • dielectric barrier discharges
  • plasma medicine
  • plasma-assisted catalysis
  • plasma-assisted synthesis

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Published Papers (1 paper)

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Research

23 pages, 9716 KB  
Article
Influence of Different Catalysts on Ammonia Synthesis Performance in Coaxial DBD Plasma
by Fangcheng Qiu, Xin Zhang, Shuai Jiang, Huilin Zhou, Lin Wang, Yufeng Song, Jian Huang, Xin Zheng, Ronghai Liu and Xuekai Pei
Plasma 2026, 9(2), 20; https://doi.org/10.3390/plasma9020020 - 4 Jun 2026
Viewed by 242
Abstract
In the renewable energy-driven “green electricity–green hydrogen–green ammonia” pathway, the development of low-temperature and low-energy-consumption ammonia synthesis technologies is of great significance. In this work, a plasma-catalytic ammonia synthesis system was established using a coaxial dielectric barrier discharge (DBD) reactor. The effects of [...] Read more.
In the renewable energy-driven “green electricity–green hydrogen–green ammonia” pathway, the development of low-temperature and low-energy-consumption ammonia synthesis technologies is of great significance. In this work, a plasma-catalytic ammonia synthesis system was established using a coaxial dielectric barrier discharge (DBD) reactor. The effects of different catalysts, including Ag, Cu, γ-Al2O3, BaTiO3 and Co/BaTiO3, Ni/BaTiO3 on ammonia synthesis performance were systematically investigated. The reaction process was analyzed using voltage–current waveforms, Lissajous figures, and optical emission spectroscopy (OES). The results show that different catalytic systems have a significant influence on ammonia synthesis performance, with the promotional effect ranked as follows: Ni/BaTiO3 > Co/BaTiO3 > BaTiO3 > Ag > γ-Al2O3 > Cu. Among them, Ni/BaTiO3 exhibited the best performance. Under the conditions of N2:H2 = 1:1 and a gas flow rate of 2.5 L/min, the NH3 synthesis rate reached 259.48 μmol/min, and the maximum energy efficiency reached 1.40 g-NH3/kWh. Catalyst characterization results indicate that the BaTiO3 support maintained a stable crystal structure, while the loaded metal species were highly dispersed and uniformly distributed on the support surface, which is beneficial for the adsorption and conversion of reactive species on the catalyst surface. Discharge characteristic analysis shows that the introduction of BaTiO3 enhanced the local electric field and improved the uniformity of micro-discharges, while the further incorporation of metal active components strengthened the micro-discharge behavior. OES results reveal that the intensities of characteristic emission lines, such as NH, N2+, and Hα, were significantly enhanced in the Ni/BaTiO3 system, facilitating the formation and conversion of NHx intermediates. The superior performance of Ni/BaTiO3 is attributed to the coupling between BaTiO3-induced dielectric enhancement and Ni-promoted surface hydrogenation and NH3 desorption. This work provides mechanistic insight into catalyst-dependent DBD plasma-catalytic ammonia synthesis and offers an experimental basis for the further optimization of plasma-based ammonia production. Full article
(This article belongs to the Special Issue Recent Advances of Dielectric Barrier Discharges, 2nd Edition)
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