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Cited by 34Electrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceCO2 Reduction Techniques and Catalysts

Reconstructing Oxygen‐Deficient Zirconia with Ruthenium Catalyst on Atomic‐Scale Interfaces toward Hydrogen Production

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Kim, Mansu, Kim, Seung‐hoon, Park, Jonghwan, Lee, Seongsoo, Jang, Injoon, Kim, Sohui, Lee, Chang Yeon, Kwon, Oh Joong +5 more·2023·Advanced Functional Materials
DOI 10.1002/adfm.202300673
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Abstract

Downsizing a catalyst nanoparticle (NP) to a single atom (SA) has proven to be highly effective in increasing catalytic activity and decreasing the amount of catalyst required for various electrochemical reactions. However, insufficient stability of the single‐atom site catalysts (SACs) is still a significant challenge for their practical application. Here, SACs firmly bound to stable metal oxide NPs are proposed to dramatically increase the electrochemical activity and stability of SA‐based catalysts for hydrogen evolution reaction (HER). Starting from a Ru‐infiltrated, Zr‐based metal‐organic framework (MOF), the tetragonal zirconium oxide (ZrO 2‐x) NPs‐embedded carbon matrix is fabricated as support through facile pyrolysis. Simultaneously, Ru SAs as active sites are well dispersed on the surface of ZrO 2‐x NPs due to the generation of oxygen vacancies in the tetragonal ZrO 2‐x. The Ru‐ZrO 2‐x SAC exhibits a 4–5 times higher mass activity than commercial Pt and Ru catalysts and superior durability due to strong metal‐support interaction (SMSI) between Ru atoms and ZrO 2‐x substrate.

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Authors
Kim, M., Kim, S., Park, J., Lee, S., Jang, I., Kim, S., Lee, C. Y., Kwon, O. J., Ham, H. C., Hupp, J. T., Jung, N., Yoo, S. J., & Whang, D.
Affiliations
  • Northwestern University (US)
  • Korea University (KR)
  • Sungkyunkwan University (KR)
  • Korea Institute of Science and Technology (KR)
  • Incheon National University (KR)
  • Inha University (KR)
  • Chungnam National University (KR)
  • Kyung Hee University (KR)
Corresponding author
  • Hupp, Joseph T.
  • Jung, Namgee
  • Yoo, Sung Jong
  • Whang, Dongmok
ORCID
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2023-04-19
Volume
33
Issue
29
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
DOI
10.1002/adfm.202300673
OpenAlex
W4366583121
Cited by
34
References
49
Citations by year
2026: 7 · 2025: 11 · 2024: 15 · 2023: 1
FWCI
1.62
Type
journal article
Language
en
Open access
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor)
Locations
  • Advanced Functional Materials (publishedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
Funders
National Research Foundation of Korea (2021R1A2C2013378, 2021M3H4A1A02042948, 2021R1A2C2012685)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Materials Science › Materials Chemistry › Catalytic Processes in Materials Science
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
Keywords
single-atom catalysts, ruthenium, hydrogen evolution reaction, oxygen vacancies, metal-support interaction, metal-organic framework derived carbon, electrocatalyst stability

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