Carbon-supported Pd–Cr bimetallic nanoparticles and their electrocatalytic activity and durability in oxygen reduction reaction


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Abstract

A serious of carbon loaded Pd–Cr bimetallic catalysts (PdxCr1–x/C, x = 0.6–1, atomic ratio) were prepared by chemical reduction method. Among them, Pd0.8Cr0.2/C catalyst exhibits the highest catalytic activity for oxygen reduction reaction. Its activity is higher than that of Pd/C and previously reported Pd0.61Cr0.39. Due to the stability of Cr, the Pd0.8Cr0.2/C exhibit excellent durability during electrochemical measurements, which indicates that Pd0.8Cr0.2 is a potential candidate for the cathode of proton exchange membrane fuel cells.

About the authors

Tengfei Liu

Key Lab of Fine Chemicals in Universities of Shandong, Institute of Advanced Energy Materials and Chemistry, School of Chemistry and Pharmaceutical Engineering

Email: liwenpeng@qlu.edu.cn
China, Jinan, Shandong Province

Huiling Liu

Key Lab of Fine Chemicals in Universities of Shandong, Institute of Advanced Energy Materials and Chemistry, School of Chemistry and Pharmaceutical Engineering

Email: liwenpeng@qlu.edu.cn
China, Jinan, Shandong Province

Fuli Ju

Key Lab of Fine Chemicals in Universities of Shandong, Institute of Advanced Energy Materials and Chemistry, School of Chemistry and Pharmaceutical Engineering

Email: liwenpeng@qlu.edu.cn
China, Jinan, Shandong Province

Huifang Wang

Key Lab of Fine Chemicals in Universities of Shandong, Institute of Advanced Energy Materials and Chemistry, School of Chemistry and Pharmaceutical Engineering

Email: liwenpeng@qlu.edu.cn
China, Jinan, Shandong Province

Yaru Wang

Key Lab of Fine Chemicals in Universities of Shandong, Institute of Advanced Energy Materials and Chemistry, School of Chemistry and Pharmaceutical Engineering

Email: liwenpeng@qlu.edu.cn
China, Jinan, Shandong Province

Wenpeng Li

Key Lab of Fine Chemicals in Universities of Shandong, Institute of Advanced Energy Materials and Chemistry, School of Chemistry and Pharmaceutical Engineering

Author for correspondence.
Email: liwenpeng@qlu.edu.cn
China, Jinan, Shandong Province

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