Cited by 342CO2 Reduction Techniques and CatalystsElectrocatalysts for Energy ConversionCarbon dioxide utilization in catalysis

Rational Design of Efficient Palladium Catalysts for Electroreduction of Carbon Dioxide to Formate

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Klinkova, Anna, De Luna, Phil, Dinh, Cao-Thang, Voznyy, Oleksandr, Larin, Egor M., Kumacheva, Eugenia, Sargent, Edward H.·2016·ACS Catalysis

Abstract

The electrochemical reduction of CO 2 into renewable chemical products such as formic acid is an important and challenging goal. Traditional Pd catalysts suffer from CO poisoning, which leads to current density decay and short operating lifetimes. Here we explored the ability to control Pd nanoparticle surface morphology to amplify catalytic activity and increase stability in the electroreduction of CO 2 to formate. Through computational studies we have elucidated trends in intermediate binding which govern the selectivity and catalytic activity. We then rationally synthesized Pd nanoparticles having an abundance of high-index surfaces to maximize electrocatalytic performance. This catalyst displays a record current density of 22 mA/cm 2 at a low overpotential of −0.2 V with a Faradaic efficiency of 97%, outperforming all previous Pd catalysts in formate electrosynthesis. The findings presented in this work provide rational design principles which highlight morphological control of high-index surfaces for the effective and stable catalytic electroreduction of CO 2 to liquid fuels.

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Authors
Klinkova, A., De Luna, P., Dinh, C.-T., Voznyy, O., Larin, E. M., Kumacheva, E., & Sargent, E. H.
Affiliations
  • University of Toronto (CA)
  • Department of Materials Science & Engineering, University of Toronto , 184 College Street, Toronto, Ontario M5S 3E4, Canada
Corresponding author
  • Kumacheva, Eugenia
  • Sargent, Edward H.
Venue
ACS Catalysis
Published
2016-11-02
Volume
6
Issue
12
Pages
8115-8120
ISSN
2155-5435 (ISSN-L)
OpenAlex
W2531985189
Cited by
342
References
32
Citations by year
2026: 9 · 2025: 31 · 2024: 28 · 2023: 36 · 2022: 41 · 2021: 48 · 2020: 48 · 2019: 45 · 2018: 40 · 2017: 16
FWCI
9.15
Type
journal article
Language
en
Open access
Locations
  • ACS Catalysis (publishedVersion)
  • TSpace (University of Toronto) (submittedVersion)
Funders
  • Connaught Fund
  • Natural Sciences and Engineering Research Council of Canada
  • Canadian Institute for Advanced Research
  • Ontario Research Fund
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Chemical Engineering › Process Chemistry and Technology › Carbon dioxide utilization in catalysis
Keywords
palladium electrocatalysts, electrochemical CO2 reduction, CO poisoning, high-index surfaces, Faradaic efficiency, catalyst stability, liquid fuels

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