Characterization of Amorphous Ni-Nb-Y Nanoparticles for the Hydrogen Evolution Reaction Produced Through Surfactant-Assisted Ball Milling
| العنوان: | Characterization of Amorphous Ni-Nb-Y Nanoparticles for the Hydrogen Evolution Reaction Produced Through Surfactant-Assisted Ball Milling |
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| المؤلفون: | Samy Ghobrial, Donald W. Kirk, Kevin M. Cole, Steven J. Thorpe |
| المصدر: | Electrocatalysis. 10:680-689 |
| بيانات النشر: | Springer Science and Business Media LLC, 2019. |
| سنة النشر: | 2019 |
| مصطلحات موضوعية: | Tafel equation, Materials science, Electrolysis of water, Nanoparticle, 02 engineering and technology, 010402 general chemistry, 021001 nanoscience & nanotechnology, Electrochemistry, 01 natural sciences, 0104 chemical sciences, Amorphous solid, Catalysis, Chemical engineering, Particle, 0210 nano-technology, Ball mill |
| الوصف: | Amorphous Ni79.2Nb12.5Y8.3 and Ni81.3Nb6.3Y12.5 nanoparticles were synthesized using cryogenic mechanical alloying followed by surfactant-assisted high energy ball milling (SA-HEBM). These alloys were tested towards the hydrogen evolution reaction (HER) along with pure crystalline Ni and Ni5Y nanoparticles also produced through SA-HEBM. This two-stage ball milling process provided a novel processing route for the production of nanostructured/amorphous materials with a wide range of possible compositions not achievable through rapid solidification, electrodeposition, or chemical reduction techniques. The investigation of different surfactant and solvent concentrations resulted in improved nanoparticle yields whereby average particle sizes between 41 and 89 nm were obtained for crystalline and amorphous materials. Electrochemical testing showed that Ni81.3Nb6.3Y12.5 exhibited the lowest Tafel values and the fastest HER kinetics on both an electrochemically active surface area and on a mass loading basis. This investigation demonstrates their potential for use in anion exchange membrane water electrolysis. |
| تدمد: | 1868-5994 1868-2529 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::2a673b4a1a00665b3540ce0c83bc24cb https://doi.org/10.1007/s12678-019-00556-z |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........2a673b4a1a00665b3540ce0c83bc24cb |
| قاعدة البيانات: | OpenAIRE |
Find this article in full text from Springer Verlag. | تدمد: | 18685994 18682529 |
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