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http://dx.doi.org/10.7316/KHNES.2019.30.6.549

High Electrochemical Activity of Pt-Cu Alloy Support on Carbon for Oxygen Reduction Reaction  

KIM, HAN SEUL (Korea Institute of Ceramic Engineering and Technology)
RYU, SU CHAK (Nanofusion Technology, Grad. School of Pusan National University)
LEE, YOUNG WOOK (Korea Institute of Ceramic Engineering and Technology)
SHIN, TAE HO (Korea Institute of Ceramic Engineering and Technology)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.30, no.6, 2019 , pp. 549-555 More about this Journal
Abstract
Electrocatalysis of oxygen reduction reaction (ORR) using Pt nanoparticles or bimetal on carabon was studied. Currently, the best catalyst is platinum, which is a limited resource and expensive to commercialize. In this paper, we investigated the cheaper and more active electrocatalysts by making Pt nanoparticles and adding 3D transition metal such as copper. Electrocatalysts were obtained by chemical reduction based on ethylene glycol solutions. Elemental analysis and particle size were confirmed by XRD and TEM. The electrochemical surface area (ECSA) and activity of the catalyst were determined by electrochemical techniques such as cyclic voltammetry and linear sweep voltammetry method. The commercialized Pt support on carbon (Pt/C, JM), synthesis Pt/C and synthesis Pt3Cu1 alloy nanoparticles supported on carbon were compared. We confirmed that the synthesized Pt3-Cu1/C has high electrochemical performance than commercial Pt/C. It is expected to develop an electrocatalyst with high activity at low price by increasing the oxygen reduction reaction rate of the fuel cell.
Keywords
Oxygen reduction reaction; Electrocatalyst; Nanoparticle; Fuel cell;
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Times Cited By KSCI : 3  (Citation Analysis)
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