Pt-Ni nanourchins as electrocatalysts for oxygen reduction reaction
Qiaowan CHANG , Yuan XU , Shangqian ZHU , Fei XIAO , Minhua SHAO
Front. Energy ›› 2017, Vol. 11 ›› Issue (3) : 254 -259.
Pt-Ni nanourchins as electrocatalysts for oxygen reduction reaction
Pt-Ni bimetallic alloys with various nanostructures have shown excellent activity toward oxygen reduction reaction (ORR). The ORR activity is highly dependent on the structure of the catalyst. In this paper, Pt-Ni nanourchins were synthesized with an average size of 50 nm consisting of 10–20 nanorods and nanooctahedra by adjusting the synthesis condition. The formation of Pt-Ni nanourchins is mainly dependent on the adding order of solvents (benzyl ether, oleylamine and oleic acid). Pt-Ni nanourchins present a reasonable high ORR activity (0.81 A/mg at 0.9 V).
Pt-Ni alloys / nanourchins / oxygen reduction reaction / shape control / fuel cells
Higher Education Press and Springer-Verlag Berlin Heidelberg
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