Movable type printing method to synthesize high-entropy single-atom catalysts

Peng Rao, Yijie Deng, Wenjun Fan, Junming Luo, Peilin Deng, Jing Li, Yijun Shen and Xinlong Tian ()
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Peng Rao: Hainan University
Yijie Deng: University of South China
Wenjun Fan: Chinese Academy of Sciences
Junming Luo: Hainan University
Peilin Deng: Hainan University
Jing Li: Hainan University
Yijun Shen: Hainan University
Xinlong Tian: Hainan University

Nature Communications, 2022, vol. 13, issue 1, 1-9

Abstract: Abstract The controllable anchoring of multiple isolated metal atoms into a single support exhibits scientific and technological opportunities, while the synthesis of catalysts with multiple single metal atoms remains a challenge and has been rarely reported. Herein, we present a general route for anchoring up to eleven metals as highly dispersed single-atom centers on porous nitride-doped carbon supports with the developed movable type printing method, and label them as high-entropy single-atom catalysts. Various high-entropy single-atom catalysts with tunable multicomponent are successfully synthesized with the same method by adjusting only the printing templates and carbonization parameters. To prove utility, quinary high-entropy single-atom catalysts (FeCoNiCuMn) is investigated as oxygen reduction reaction catalyst with much more positive activity and durability than commercial Pt/C catalyst. This work broadens the family of single-atom catalysts and opens a way to investigate highly efficient single-atom catalysts with multiple compositions.

Date: 2022
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DOI: 10.1038/s41467-022-32850-8

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