| Autor: |
Boukhvalov DW; College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing 210037, P. R. China.; Institute of Physics and Technology, Ural Federal University, Mira Str. 19, 620002 Yekaterinburg, Russia., D'Olimpio G; Department of Physical and Chemical Sciences, University of L'Aquila, via Vetoio, 67100 L'Aquila (AQ), Italy. antonio.politano@univaq.it., Liu J; College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, P. R. China. zhanglx@qdu.edu.cn., Ghica C; National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania., Istrate MC; National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania., Kuo CN; Department of Physics, National Cheng Kung University, 1 Ta-Hsueh Road, 70101 Tainan, Taiwan., Politano GG; Department of Information Engineering, Infrastructures and Sustainable Energy (DIIES), University 'Mediterranea' of Reggio Calabria, Loc. Feo di Vito, 89122 Reggio Calabria, Italy., Lue CS; Department of Physics, National Cheng Kung University, 1 Ta-Hsueh Road, 70101 Tainan, Taiwan., Torelli P; CNR-IOM, TASC Laboratory, Area Science Park-Basovizza, 34139 Trieste, Italy., Zhang L; College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, P. R. China. zhanglx@qdu.edu.cn., Politano A; Department of Physical and Chemical Sciences, University of L'Aquila, via Vetoio, 67100 L'Aquila (AQ), Italy. antonio.politano@univaq.it. |
| Abstrakt: |
Methanol (CH 3 OH) oxidation offers a promising avenue for transitioning to clean energy, particularly in the field of direct methanol fuel cells (DMFCs). However, the development of efficient and cost-effective catalysts for the methanol oxidation reaction (MOR) remains a critical challenge. Herein, we report the exceptional electrocatalytic activity and stability of Ni 3 Sn 4 toward MOR in acidic media, achieving a performance comparable to that of commercial Pt/C catalysts. Our catalyst design incorporates Earth-abundant Ni and Sn elements, resulting in a material that is 1800 times more cost-effective than Pt/C. Density functional theory (DFT) modeling substantiates our experimental findings, shedding light on the favorable reaction mechanisms and kinetics on the Ni 3 Sn 4 surface. Additionally, the as-synthesized Ni 3 Sn 4 electrocatalyst demonstrates commendable durability, maintaining its electrocatalytic activity even after prolonged exposure to harsh acidic conditions. |
