Article ID Journal Published Year Pages File Type
1282510 International Journal of Hydrogen Energy 2011 4 Pages PDF
Abstract

A Cu@Pt/C catalyst was synthesized by a two-step reduction method using Vulcan XC-72R as the supporting material. Physical and electrochemical techniques were applied to investigate the structure and performance of the catalyst. X-ray diffraction (XRD) and transmission electron microscopy (TEM) examinations showed that the catalyst has a core-shell structure, the distribution of the catalyst particles is quite uniform, and the particle size ranges from 5 to 6 nm. Cyclic voltammetry (CV) and rotating disk electrode (RDE) tests confirmed the high performance of the Cu@Pt/C catalyst with the atom ratio Cu: Pt of 2.73: 1, making it a promising low-Pt catalyst for proton exchange membrane fuel cell (PEMFC).

► A core-shell structure Cu@Pt/C catalyst was prepared by the low-cost and easy operation two-step reduction method. ► The Cu@Pt/C catalyst is well uniform dispersed on carbon support, the particle size of the catalyst is from 5 to 6 nm ► The core-shell structured Cu@Pt/C catalyst improved the utilization of the Pt.

Related Topics
Physical Sciences and Engineering Chemistry Electrochemistry
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