Fabrication of Pd–Ni/Au nanoshelled microsphere array for electrocatalytic oxidation of methanol
| العنوان: | Fabrication of Pd–Ni/Au nanoshelled microsphere array for electrocatalytic oxidation of methanol |
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| المؤلفون: | Qitao Zhang, Jianwei Zhao, Lirong Qin, Junxian Li, Xiaolan Tang, Yingying Xu |
| المصدر: | Functional Materials Letters. 16 |
| بيانات النشر: | World Scientific Pub Co Pte Ltd, 2023. |
| سنة النشر: | 2023 |
| مصطلحات موضوعية: | General Materials Science |
| الوصف: | Pd–Ni/Au nanoshelled microsphere arrays with different Pd–Ni atomic ratios were successfully synthesized using the etched monolayer colloidal spheres as templates. Morphology and composition characterizations indicated that the prepared products consisted of polystyrene cores of Au and Pd–Ni metallic nanoshells with an overall diameter of 450 nm. Electrochemical measurements in an alkaline solution showed that the Pd–Ni/Au catalyst with Pd:Ni = 4:1 atomic ratio demonstrated an optimal catalytic activity with the peak current of 59.4 mA[Formula: see text], the lower oxidation peak potential and the higher stability. These results could be ascribed to the enhanced surface area which increased the number of electrocatalytic active sites, and the electronic interaction between Pd and Ni. This work provides new opportunities for the rational design of microsphere array catalysts for enhancing the catalytic performance in fuel cells. |
| تدمد: | 1793-7213 1793-6047 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::5f5894c560df3e7ca0159b6eb56dd424 https://doi.org/10.1142/s1793604722500278 |
| رقم الأكسشن: | edsair.doi...........5f5894c560df3e7ca0159b6eb56dd424 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 17937213 17936047 |
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