Journal
NATURE COMMUNICATIONS
Volume 13, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41467-022-32850-8
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Funding
- National Natural Science Foundation of China [22109034, 22109035, 52164028, 62105083]
- Postdoctoral Science Foundation of Hainan Province [RZ2100007123]
- Hainan Province Science and Technology Special Fund [ZDYF2021GXJS207, ZDYF2020037, ZDYF2020207]
- Foundation of State Key Laboratory of Marine Resource Utilization in South China Sea (Hainan University) [MRUKF2021029]
- Start-up Research Foundation of Hainan University [KYQD(ZR)-20008, KYQD(ZR)-20082, KYQD(ZR)-20083, KYQD(ZR)-20084, KYQD(ZR)-21065, KYQD(ZR)-21124, KYQD(ZR)-21125]
- Innovation Platform for Academicians of Hainan Province
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In this study, multiple single metal atoms were successfully anchored onto carbon supports as high-entropy single-atom catalysts using a movable typing method. This opens up a new approach for investigating highly efficient single-atom catalysts with multiple compositions.
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. It is challenging to integrate multi-single metal atoms into one support. In this work, the authors demonstrate the production of high-entropy single-atom catalysts via a movable typing method, which enables the anchor up to eleven metals as highly dispersed single-atom active centers on the carbon support for the oxygen reduction reaction.
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