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|
| Type |
Poster Presentation |
| Area |
Material Chemistry |
| Room No. |
Exhibition Hall 2 |
| Time |
4월 19일 (금요일) 11:00~12:30 |
| Code |
MAT.P-486 |
| Subject |
Synthesis of ternary Pt-Ni-Cu octahedra for electrocatalytic methanol oxidation reaction |
| Authors |
Youngmin Hong, Sang-Il Choi*
Department of Chemistry, Kyungpook National University, Korea
|
| Abstract |
A direct methanol fuel cell (DMFC) has been considered as a promising energy system for the application of portable electronics and aerial vehicles such as drones. Nanoscale Pt based materials have been extensively studied in recent years owing to their superior activity for the methanol oxidation reaction (MOR). Among Pt based materials, Pt alloying with other transition metals cheaper than Pt such as Co and Ni was considered promising materials. Here we present the synthesis of 9 nm ternary Pt-Ni-Cu octahedra with the use of oleylamine and oleic acid as surfactants and CO gas as the capping agent for Pt{111} facets. We show that the electrocatalytic activity and stability of Pt-Ni-Cu ternary alloy octahedra toward the MOR were improved compared to those of the commercial Pt/C catalysts, mainly due to the enhanced CO tolerance by the existence of Cu and Ni. |
| E-mail |
santaluzia@naver.com |
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123rd General Meeting of the KCS