Heterostructure PtNi supported by Pd nanosheets high-performance catalysts for multifunctional fuel cell |
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| Affiliation: | 1. College of Materials Science and Engineering, Sichuan University, Engineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Chengdu 610065, PR China;2. Collaborative Innovation Center of Sustainable Energy Materials, Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi University, Nanning, 530004, PR China;1. Vocational School, Department of Electric and Energy, A?r? ?brahim Çeçen University, A?r?-Turkey;2. Kaz?m Karabekir Education Faculty, Department of Science Education, Atatürk University, Erzurum-Turkey;3. H?n?s Vocational School, Department of Medical Services and Techniques, Atatürk University, Erzurum-Turkey;4. Department of Physics, Art & Science Faculty, Erzincan Binali Y?ld?r?m University, Erzincan-Turkey;5. Department of Electrical and Electronics Engineering, Faculty of Engineering, Atatürk University, Erzurum-Turkey;6. Department of Physics, Faculty of Science, Atatürk University, Erzurum-Turkey;1. School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, Liaoning, China;2. Graduate School, Liaoning Petrochemical University, Fushun 113001, Liaoning, China;3. Shanxi Normal University, Taiyuan 030000, Shanxi, China;1. School of Energy and Power Engineering, Xi''an Jiaotong University, Xi''an, 710049, Shaanxi, China;2. School of Chemical Engineering and Technology, Xi''an Jiaotong University, Xi''an, 710049, Shaanxi, China;3. State Key Laboratory of Space Cryogenic Propellant Technology, Beijing 100028, China |
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| Abstract: | Platinum (Pt) based catalysts have multiphase structure, such as two-dimensional (2D) nanosheets structure, with a large specific surface area and high atomic utilization ratio, and a large contact area with carbon support, which promotes the combination of catalyst and support, and improves the activity of catalyst. However, there are still many difficulties in the synthesis of 2D polymetallic alloy nanosheet catalysts. Herein, we synthesized palladium nanosheets (Pd NSs) catalyst with smooth surface structure via solvothermal method, smooth surface structure palladium platinum nanosheets (PdPt NSs) and palladium platinum nickel island particle nanosheets (PdPtNi IPNSs) catalyst. Compared with commercial TKK-Pt/C, the prepared PdPtNi IPNSs catalyst has better catalytic performance for oxygen reduction reaction (ORR), ethanol oxidation reaction (EOR) and methanol oxidation reaction (MOR). This work provides a simple and feasible strategy for the synthesis of stable and efficient polymetallic 2D alloy nanostructured catalysts. |
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| Keywords: | Nanosheets Polymetallic alloy Oxygen reduction reaction Ethanol oxidation reaction Methanol oxidation reaction |
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