Modeling diurnal and annual ethylene generation from solar-driven electrochemical CO<sub>2</sub> reduction devices

Yap, Kyra M. K.; Wei, William J.; Rodríguez Pabón, Melanie; King, Alex J.; Bui, Justin C.; Wei, Lingze; Lee, Sang-Won; Weber, Adam Z.; Bell, Alexis T.; Nielander, Adam C.; Jaramillo, Thomas F.

doi:10.1039/d4ee00545g

Energy Environ. Sci.

2024

DOI: 10.1039/d4ee00545g

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Modeling diurnal and annual ethylene generation from solar-driven electrochemical CO₂ reduction devices

Kyra M. K. Yap,

William J. Wei,

Melanie Rodríguez Pabón

et al.

Abstract: Integrated solar fuels devices for CO2 reduction (CO2R) are a promising technology class towards reducing CO2 emissions.

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CO₂ Conversion to Butene via a Tandem Photovoltaic–Electrochemical/Photothermocatalytic Process: A Co-design Approach to Coupled Microenvironments

Yap,

Aitbekova,

Salazar

et al. 2024

ACS Energy Lett.

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We developed a tandem, unassisted, solar-driven electrochemical and photothermocatalytic process for the single-pass conversion of CO2 to butene using only simulated solar irradiation as the energetic input. The two-step process involves electrochemical CO2 reduction (CO2R) to ethylene followed by ethylene dimerization to butene. We assessed two unassisted electrochemical setups to concentrate ethylene in the CO2R reactor, achieving concentrations up to 5.4 vol% with 1.8% average solar-to-ethylene conversion and 5.6% average CO2-to-ethylene single-pass conversion under 1-sun illumination. When the effluent electrochemical gas stream was passed through the photothermocatalytic ethylene oligomerization reactor, we generated 600 ppm of butene under 3-sun illumination. Through analysis of this process, we identified that the presence of H2, CO, and H2O leads to rapid deactivation of the Ni-based ethylene oligomerization catalyst.

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CO₂ Conversion to Butene via a Tandem Photovoltaic–Electrochemical/Photothermocatalytic Process: A Co-design Approach to Coupled Microenvironments

Yap,

Aitbekova,

Salazar

et al. 2024

ACS Energy Lett.

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show abstract

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Modeling diurnal and annual ethylene generation from solar-driven electrochemical CO₂ reduction devices

Abstract: Integrated solar fuels devices for CO2 reduction (CO2R) are a promising technology class towards reducing CO2 emissions.

Cited by 1 publication

References 90 publications

CO₂ Conversion to Butene via a Tandem Photovoltaic–Electrochemical/Photothermocatalytic Process: A Co-design Approach to Coupled Microenvironments

CO₂ Conversion to Butene via a Tandem Photovoltaic–Electrochemical/Photothermocatalytic Process: A Co-design Approach to Coupled Microenvironments

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Modeling diurnal and annual ethylene generation from solar-driven electrochemical CO2 reduction devices

Abstract: Integrated solar fuels devices for CO2 reduction (CO2R) are a promising technology class towards reducing CO2 emissions.

Cited by 1 publication

References 90 publications

CO2 Conversion to Butene via a Tandem Photovoltaic–Electrochemical/Photothermocatalytic Process: A Co-design Approach to Coupled Microenvironments

CO2 Conversion to Butene via a Tandem Photovoltaic–Electrochemical/Photothermocatalytic Process: A Co-design Approach to Coupled Microenvironments

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Product

Resources

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Modeling diurnal and annual ethylene generation from solar-driven electrochemical CO₂ reduction devices

CO₂ Conversion to Butene via a Tandem Photovoltaic–Electrochemical/Photothermocatalytic Process: A Co-design Approach to Coupled Microenvironments

CO₂ Conversion to Butene via a Tandem Photovoltaic–Electrochemical/Photothermocatalytic Process: A Co-design Approach to Coupled Microenvironments