Synthesis of Chemically Ordered Pt3Fe/C Intermetallic Electrocatalysts for Oxygen Reduction Reaction with Enhanced Activity and Durability via a Removable Carbon Coating
By Jung, Chanwon; Lee, Changsoo; Bang, Kihoon; Lim, JeongHoon; Lee, Hoin; Ryu, Ho Jin; Cho, EunAe; Lee, Hyuck Mo
Published in ACS Applied Materials & Interfaces
2017
Abstract
Recently, Pt3M (M = Fe, Ni, Co, Cu, etc.) intermetallic compounds have been highlighted as promising candidates for oxygen reduction reaction (ORR) catalysts. In general, to form those intermetallic compounds, alloy phase nanoparticles are synthesized and then heat-treated at a high temperature. However, nanoparticles easily agglomerate during the heat treatment, resulting in a decrease in electrochemical surface area (ECSA). In this study, we synthesized Pt
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