Sunlight-fueled, low-temperature Ru-catalyzed conversion of CO2 and H2 to CH4 with a high Photon-to-Methane efficiency

Francesc Sastre, Caroline Versluis, Nicole Meulendijks, Jessica Rodríguez-Fernández, Jorgen Sweelssen, Ken Elen, Marlies K. van Bael, Tim den Hartog, Marcel Verheijen, Pascal J.P. Buskens (Corresponding author)

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Abstract

Methane, which has a high energy storage density and is safely stored and transported in our existing infrastructure, can be produced through conversion of the undesired energy carrier H2 with CO2. Methane production with standard transition-metal catalysts requires high-temperature activation (300–500 °C). Alternatively, semiconductor metal oxide photocatalysts can be used, but they require high-intensity UV light. Here, we report a Ru metal catalyst that facilitates methanation below 250 °C using sunlight as an energy source. Although at low solar intensity (1 sun) the activity of the Ru catalyst is mainly attributed to thermal effects, we identified a large nonthermal contribution at slightly elevated intensities (5.7 and 8.5 sun) resulting in a high photon-to-methane efficiency of up to 55% over the whole solar spectrum. We attribute the excellent sunlight-harvesting ability of the catalyst and the high photon-to-methane efficiency to its UV–vis–NIR plasmonic absorption. Our highly efficient conversion of H2 to methane is a promising technology to simultaneously accelerate the energy transition and reduce CO2 emissions.
Original languageEnglish
Article number4
Pages (from-to)7369-7377
Number of pages9
JournalACS Omega
Volume4
Issue number4
DOIs
Publication statusPublished - 23 Apr 2019

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Methane
Photons
Catalysts
Sun
Temperature
Metals
Methanation
Photocatalysts
Ultraviolet radiation
Thermal effects
Energy storage
Oxides
Transition metals
Chemical activation
Semiconductor materials

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Sastre, F., Versluis, C., Meulendijks, N., Rodríguez-Fernández, J., Sweelssen, J., Elen, K., ... Buskens, P. J. P. (2019). Sunlight-fueled, low-temperature Ru-catalyzed conversion of CO2 and H2 to CH4 with a high Photon-to-Methane efficiency. ACS Omega, 4(4), 7369-7377. [4]. https://doi.org/10.1021/acsomega.9b00581
Sastre, Francesc ; Versluis, Caroline ; Meulendijks, Nicole ; Rodríguez-Fernández, Jessica ; Sweelssen, Jorgen ; Elen, Ken ; van Bael, Marlies K. ; den Hartog, Tim ; Verheijen, Marcel ; Buskens, Pascal J.P. / Sunlight-fueled, low-temperature Ru-catalyzed conversion of CO2 and H2 to CH4 with a high Photon-to-Methane efficiency. In: ACS Omega. 2019 ; Vol. 4, No. 4. pp. 7369-7377.
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abstract = "Methane, which has a high energy storage density and is safely stored and transported in our existing infrastructure, can be produced through conversion of the undesired energy carrier H2 with CO2. Methane production with standard transition-metal catalysts requires high-temperature activation (300–500 °C). Alternatively, semiconductor metal oxide photocatalysts can be used, but they require high-intensity UV light. Here, we report a Ru metal catalyst that facilitates methanation below 250 °C using sunlight as an energy source. Although at low solar intensity (1 sun) the activity of the Ru catalyst is mainly attributed to thermal effects, we identified a large nonthermal contribution at slightly elevated intensities (5.7 and 8.5 sun) resulting in a high photon-to-methane efficiency of up to 55{\%} over the whole solar spectrum. We attribute the excellent sunlight-harvesting ability of the catalyst and the high photon-to-methane efficiency to its UV–vis–NIR plasmonic absorption. Our highly efficient conversion of H2 to methane is a promising technology to simultaneously accelerate the energy transition and reduce CO2 emissions.",
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Sastre, F, Versluis, C, Meulendijks, N, Rodríguez-Fernández, J, Sweelssen, J, Elen, K, van Bael, MK, den Hartog, T, Verheijen, M & Buskens, PJP 2019, 'Sunlight-fueled, low-temperature Ru-catalyzed conversion of CO2 and H2 to CH4 with a high Photon-to-Methane efficiency', ACS Omega, vol. 4, no. 4, 4, pp. 7369-7377. https://doi.org/10.1021/acsomega.9b00581

Sunlight-fueled, low-temperature Ru-catalyzed conversion of CO2 and H2 to CH4 with a high Photon-to-Methane efficiency. / Sastre, Francesc; Versluis, Caroline; Meulendijks, Nicole; Rodríguez-Fernández, Jessica; Sweelssen, Jorgen; Elen, Ken; van Bael, Marlies K.; den Hartog, Tim; Verheijen, Marcel; Buskens, Pascal J.P. (Corresponding author).

In: ACS Omega, Vol. 4, No. 4, 4, 23.04.2019, p. 7369-7377.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Sunlight-fueled, low-temperature Ru-catalyzed conversion of CO2 and H2 to CH4 with a high Photon-to-Methane efficiency

AU - Sastre, Francesc

AU - Versluis, Caroline

AU - Meulendijks, Nicole

AU - Rodríguez-Fernández, Jessica

AU - Sweelssen, Jorgen

AU - Elen, Ken

AU - van Bael, Marlies K.

AU - den Hartog, Tim

AU - Verheijen, Marcel

AU - Buskens, Pascal J.P.

PY - 2019/4/23

Y1 - 2019/4/23

N2 - Methane, which has a high energy storage density and is safely stored and transported in our existing infrastructure, can be produced through conversion of the undesired energy carrier H2 with CO2. Methane production with standard transition-metal catalysts requires high-temperature activation (300–500 °C). Alternatively, semiconductor metal oxide photocatalysts can be used, but they require high-intensity UV light. Here, we report a Ru metal catalyst that facilitates methanation below 250 °C using sunlight as an energy source. Although at low solar intensity (1 sun) the activity of the Ru catalyst is mainly attributed to thermal effects, we identified a large nonthermal contribution at slightly elevated intensities (5.7 and 8.5 sun) resulting in a high photon-to-methane efficiency of up to 55% over the whole solar spectrum. We attribute the excellent sunlight-harvesting ability of the catalyst and the high photon-to-methane efficiency to its UV–vis–NIR plasmonic absorption. Our highly efficient conversion of H2 to methane is a promising technology to simultaneously accelerate the energy transition and reduce CO2 emissions.

AB - Methane, which has a high energy storage density and is safely stored and transported in our existing infrastructure, can be produced through conversion of the undesired energy carrier H2 with CO2. Methane production with standard transition-metal catalysts requires high-temperature activation (300–500 °C). Alternatively, semiconductor metal oxide photocatalysts can be used, but they require high-intensity UV light. Here, we report a Ru metal catalyst that facilitates methanation below 250 °C using sunlight as an energy source. Although at low solar intensity (1 sun) the activity of the Ru catalyst is mainly attributed to thermal effects, we identified a large nonthermal contribution at slightly elevated intensities (5.7 and 8.5 sun) resulting in a high photon-to-methane efficiency of up to 55% over the whole solar spectrum. We attribute the excellent sunlight-harvesting ability of the catalyst and the high photon-to-methane efficiency to its UV–vis–NIR plasmonic absorption. Our highly efficient conversion of H2 to methane is a promising technology to simultaneously accelerate the energy transition and reduce CO2 emissions.

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U2 - 10.1021/acsomega.9b00581

DO - 10.1021/acsomega.9b00581

M3 - Article

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VL - 4

SP - 7369

EP - 7377

JO - ACS Omega

JF - ACS Omega

SN - 2470-1343

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M1 - 4

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Sastre F, Versluis C, Meulendijks N, Rodríguez-Fernández J, Sweelssen J, Elen K et al. Sunlight-fueled, low-temperature Ru-catalyzed conversion of CO2 and H2 to CH4 with a high Photon-to-Methane efficiency. ACS Omega. 2019 Apr 23;4(4):7369-7377. 4. https://doi.org/10.1021/acsomega.9b00581