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Electrodeposition of Ni particles on laser nanostructured electrodes for enhanced hydrogen evolution reaction

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Technical University of Crete   

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Electrodeposition of Ni particles on laser nanostructured electrodes for enhanced hydrogen evolution reaction (EN)
Ποιμενιδης Ιωαννης (EL)
Μουσταιζης Σταυρος (EL)
Moustaizis Stavros (EN)
Loukakos Panagiotis (EN)
Poimenidis Ioannis (EN)
Papakosta Nikandra (EN)
Tsanakas Michael D. (EN)
Klini Argyro (EN)
journalArticle
2022
In this study, a two-step electrode fabrication process is used to enlarge the electrocatalytic area of the electrodes and improve the hydrogen evolution reaction. Nickel electrodes were laser-nanostructured, and afterward, they were galvanostatically electrodeposited, a novel approach for electrodes used for HER. SEM and EDX analysis were performed. The electrochemical evaluation provided enhanced values of overpotential (η10 = 108 mV), Tafel slope (b = −121 mV dec−1) and double layer capacitance (1945 μF cm−2) compared to the literature. The stability of the electrodes was tested by its overpotential (|η100|=264 mV) in a current density of 100 mA cm−2. (EL)
Laser-nanostructuring (EN)
Electrodeposition on Ni (EN)
Alkaline electrolysis (EN)
Enhanced HER kinetics (EN)
Materials Today: Proceedings (EL)
English
Elsevier (EN)
Πολυτεχνείο Κρήτης (EL)
Technical University of Crete (EN)
Technical University of Crete
Institutional Repository Technical University of Crete
School of Electrical and Computer Engineering - Diploma Works
Distributed Multimedia Information Systems and Applications Laboratory - Diploma Works



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