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Updated: Sep 8, 2025
Synthesis of Platinum-nickel Nanowires and Optimization for Oxygen Reduction Performance
Published on: April 27, 2018
Synthesis and characterization of ultra-small octahedral PtNiCo skeletons with high activity for the oxygen reduction
Minseok Ko1,2, Mrinal Kanti Kabiraz3, Yuseong Heo4
1Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul 04107, Korea. wsseo@sogang.ac.kr.
Abstract:
Here, we report the synthesis of a ternary PtNiCo octahedral skeletal catalyst for the oxygen reduction reaction (ORR). A mixed flow of H2 and CO facilitated complete reduction, promoted Pt diffusion, and enabled the formation of octahedral PtNiCo nanoparticles (NPs). The resulting ternary skeletal catalyst, obtained after acid treatment, exhibited a mass activity (MA) of 1.64 A mgPt-1 and a specific activity (SA) of 3.73 mA cm-2, which are 7.5 and 14.3 times higher, respectively, than those of commercial Pt/C.
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