Youngmin Hong
Kyungpook National University
9 Papers
31 Citations
Youngmin Hong is an academic researcher from Kyungpook National University. The author has contributed to research in topics: Oxygen evolution & Catalysis. The author has an hindex of 8, co-authored 9 publications.
Chat about Author
Papers
Surface Engineering in Improving Activity of Pt Nanocubes for Ammonia Electrooxidation Reaction
Kumar Siddharth,Youngmin Hong,Xueping Qin,Hye Jin Lee,Yat Tung Chan,Shangqian Zhu,Guohua Chen,Sang-Il Choi,Minhua Shao +8 more
TL;DR: In this article, surface-decorated Ir could lower the energy barrier in the rate determining *NH formation step on Pt surfaces, thus increasing activity in accordance with experimental findings, and Ir and Ni(OH)2decorations Pt nanocubes can significantly improve the durability.
86
NiOOH Exfoliation-Free Nickel Octahedra as Highly Active and Durable Electrocatalysts Toward the Oxygen Evolution Reaction in an Alkaline Electrolyte.
Byeongyoon Kim,Aram Oh,Mrinal Kanti Kabiraz,Youngmin Hong,Jinwhan Joo,Hionsuck Baik,Sang-Il Choi,Kwangyeol Lee +7 more
TL;DR: Electron microscopic measurements show that the β-NiOOH formed on Ni octahedra exhibits highly enhanced OER durability compared to the Ni cubes, Ni RDs, and the state-of-the-art Ir/C catalysts.
85
Structural Evolution of Sub-10 nm Octahedral Platinum–Nickel Bimetallic Nanocrystals
Qiaowan Chang,Yuan Xu,Zhiyuan Duan,Fei Xiao,Fang Fu,Youngmin Hong,Jeonghyeon Kim,Sang-Il Choi,Dong Su,Minhua Shao +9 more
TL;DR: This work proposes the Pt@Pt-Ni octahedra as a high profile electrocatalyst for ORR and reveals the structural and composition evolution pathways of Pt-based bimetallic NCs.
Impact of Heat Treatment on the Electrochemical Properties of Carbon-Supported Octahedral Pt–Ni Nanoparticles
Fei Xiao,Xueping Qin,Mingjie Xu,Shangqian Zhu,Lili Zhang,Youngmin Hong,Sang-Il Choi,Qiaowan Chang,Yuan Xu,Xiaoqing Pan,Minhua Shao +10 more
TL;DR: In this paper, Pt-Ni alloy nanoparticles supported on carbon black are selected as a model cat for thermal annealing of alloys, which is commonly used to remove surface contaminants and redistribute elements in alloys.
41