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Lookup NU author(s): Dr Kui Zhang
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© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2025.Direct borohydride fuel cells (DBFCs) are increasingly recognized as a crucial component in the shift toward renewable energy, known for their high operational efficiency and reduced environmental impact. In this study, dielectric barrier discharge (DBD) plasma pretreatment was first applied to p-CoCl2 precursors, which were then reduced in situ with KBH4 to develop p-Co(OH)2 catalysts for use in DBFCs. The method markedly improved the electrocatalytic capabilities of the catalysts, achieving a peak power density of 244 mW cm−2 in DBFCs, surpassing the performance of traditional Co(OH)2 catalysts. The catalysts showed remarkable stability, enabling the fuel cells to operate effectively for over 210 h. The enhancement in performance is attributed to structural changes induced by the DBD plasma, including the creation of oxygen vacancies and an increase in catalytically active sites. This result demonstrates the significant impact of DBD plasma treatment on improving both the durability and efficacy of the catalysts, essential for propelling advancements in clean energy technologies and solidifying the position of DBFCs as a key innovation in the renewable energy field.
Author(s): Li S, Xin Z, Luo Y, Liao G, Li Q, Zhang K, Tehrani Z, Tan R, Feng Z
Publication type: Article
Publication status: Published
Journal: Ionics
Year: 2025
Pages: epub ahead of print
Online publication date: 01/04/2025
Acceptance date: 19/03/2025
ISSN (print): 0947-7047
ISSN (electronic): 1862-0760
Publisher: Springer Science and Business Media Deutschland GmbH
URL: https://doi.org/10.1007/s11581-025-06253-w
DOI: 10.1007/s11581-025-06253-w
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