Cited by 1,649CO2 Reduction Techniques and CatalystsCatalysts for Methane ReformingCarbon dioxide utilization in catalysis

Electrocatalytic Conversion of Carbon Dioxide to Methane and Methanol on Transition Metal Surfaces

Kuhl, Kendra P., Hatsukade, Toru, Cave, Etosha R., Abram, David N., Kibsgaard, Jakob, Jaramillo, Thomas F.·2014·Journal of the American Chemical Society

Abstract

Fuels and industrial chemicals that are conventionally derived from fossil resources could potentially be produced in a renewable, sustainable manner by an electrochemical process that operates at room temperature and atmospheric pressure, using only water, CO2, and electricity as inputs. To enable this technology, improved catalysts must be developed. Herein, we report trends in the electrocatalytic conversion of CO2 on a broad group of seven transition metal surfaces: Au, Ag, Zn, Cu, Ni, Pt, and Fe. Contrary to conventional knowledge in the field, all metals studied are capable of producing methane or methanol. We quantify reaction rates for these two products and describe catalyst activity and selectivity in the framework of CO binding energies for the different metals. While selectivity toward methane or methanol is low for most of these metals, the fact that they are all capable of producing these products, even at a low rate, is important new knowledge. This study reveals a richer surface chemistry for transition metals than previously known and provides new insights to guide the development of improved CO2 conversion catalysts.

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Crossref · 10.1021/ja505791r

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  • Atomistic modelling has revealed a deeper understanding of catalytic activity of GB on Au surfaces, including broken scaling relations and broken local spatial symmetry near the GB.

    “Atomistic modelling has revealed a deeper understanding of the catalytic activity of GB on Au surfaces, including broken scaling relations [81] and broken local spatial symmetry near the GB.[82]”
  • The predicted theoretical limiting potential for CH3OH production using Pt@dv-Gr is significantly less negative than any catalysts that produce CH4 or CH3OH in the literature, whether synthesized (-0.5 to -1.0 V) or predicted (-0.3 to -1.0 V).

    “In particular, as in the free energy diagram shown in Fig. 4 in detail, the predicted theoretical limiting potential (U L) for CH3OH production using Pt@dv-Gr is significantly less negative than any catalysts that produce CH4 or CH3OH in the literature, synthesized (–0.5 to –1.0 V)35,37,38 or predicted (–0.3 V to –1.0 V).4,6,39,40”
  • In experiments, polycrystalline Ni and Pt produced H2 gas as a major product almost exclusively and only a trace of CH4 at -1.08 V and -0.67 V vs. RHE, respectively, while Cu produced CH4, C2H4, and H2 in similar amounts at -1.05 V vs. RHE.

    “However, in an experiment for the CO2 reduction reaction, polycrystalline Ni and Pt produced H2 gas as a major product almost exclusively and only a trace of CH4 with a total current density of 5 mA cm–2 at –1.08 V and –0.67 V vs. RHE, respectively, while Cu produced CH4, C2H4, and H2 in similar amounts with a total current density of 5 mA cm–2 at –1.05 V vs. RHE.35”
  • The experimental product selectivity is significantly different for Ni, Pt and Cu, even though their theoretical limiting potentials for the CO2 reduction reaction are similar.

    “It is thus noteworthy that the experimental product selectivity is significantly different for Ni, Pt and Cu, even though their theoretical limiting potentials for the CO2 reduction reaction are similar.”

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Authors
Kuhl, K. P., Hatsukade, T., Cave, E. R., Abram, D. N., Kibsgaard, J., & Jaramillo, T. F.
Affiliations
Stanford University (US)
Corresponding author
Jaramillo, Thomas F.
Venue
Journal of the American Chemical Society
Published
2014-09-26
Volume
136
Issue
40
Pages
14107-14113
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2318989366
Cited by
1,649
References
36
Citations by year
2026: 102 · 2025: 145 · 2024: 163 · 2023: 150 · 2022: 146 · 2021: 168 · 2020: 179 · 2019: 179 · 2018: 160 · 2017: 123 · 2016: 89 · 2015: 44
FWCI
28.17
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of the American Chemical Society (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Science Foundation (1066515)
  • Ford Foundation
  • Division of Graduate Education (DGE-1147470)
  • Stanford University
  • Mohr Davidow Ventures
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
  • Physical Sciences › Chemical Engineering › Catalysis › Catalysts for Methane Reforming
  • Physical Sciences › Chemical Engineering › Process Chemistry and Technology › Carbon dioxide utilization in catalysis
Keywords
electrochemical CO2 reduction, CO2 to methanol, transition metal surfaces, CO binding energy, catalyst selectivity, reaction rate, gold, silver, zinc, copper, nickel, platinum, iron, renewable fuels

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