Cited by 229Electrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceFuel Cells and Related Materials

Ordered bilayer ruthenium–platinum core-shell nanoparticles as carbon monoxide-tolerant fuel cell catalysts

Open access
Hsieh, Yu-Chi, Zhang, Yu, Su, Dong, Volkov, Vyacheslav, Si, Rui, Wu, Lijun, Zhu, Yimei, An, Wei +5 more·2013·Nature Communications

Abstract

Fabricating subnanometre-thick core-shell nanocatalysts is effective for obtaining high surface area of an active metal with tunable properties. The key to fully realize the potential of this approach is a reliable synthesis method to produce atomically ordered core-shell nanoparticles. Here we report new insights on eliminating lattice defects in core-shell syntheses and opportunities opened for achieving superior catalytic performance. Ordered structural transition from ruthenium hcp to platinum fcc stacking sequence at the core-shell interface is achieved via a green synthesis method, and is verified by X-ray diffraction and electron microscopic techniques coupled with density functional theory calculations. The single crystalline Ru cores with well-defined Pt bilayer shells resolve the dilemma in using a dissolution-prone metal, such as ruthenium, for alleviating the deactivating effect of carbon monoxide, opening the door for commercialization of low-temperature fuel cells that can use inexpensive reformates (H2 with CO impurity) as the fuel.

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Crossref · 10.1038/ncomms3466

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Authors
Hsieh, Y.-C., Zhang, Y., Su, D., Volkov, V., Si, R., Wu, L., Zhu, Y., An, W., Liu, P., He, P., Ye, S., Adzic, R. R., & Wang, J. X.
Affiliations
  • Brookhaven National Laboratory (US)
  • Ballard Power Systems (Canada) (CA)
Corresponding author
Wang, Jia X
Venue
Nature Communications
Published
2013-09-18
Volume
4
Issue
1
Pages
2466-2466
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2132374840
Cited by
229
References
54
Citations by year
2026: 5 · 2025: 7 · 2024: 12 · 2023: 17 · 2022: 16 · 2021: 15 · 2020: 18 · 2019: 30 · 2018: 22 · 2017: 23 · 2016: 20 · 2015: 37 · 2014: 6 · 2013: 1
FWCI
7.76
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • U.S. Department of Energy (DEAC-02-98CH10886, -AC02-98 CH 10886, DE-AC02-)
  • National Science Council
  • Shanghai Educational Development Foundation
  • National Chiao Tung University
  • Brookhaven National Laboratory (AC-02-98CH10886, DE-AC02- 98CH10886)
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 › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
Keywords
CO tolerance, fuel cell catalysts, ruthenium dissolution, crystal defects, green synthesis, low-temperature fuel cells, reformate fuel, catalyst stability

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