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A Gross‐Margin Model for Defining Technoeconomic Benchmarks in the Electroreduction of CO2

A Gross‐Margin Model for Defining Technoeconomic Benchmarks in the Electroreduction of CO2 We introduce a gross‐margin model to evaluate the technoeconomic feasibility of producing different C1–C2 chemicals such as carbon monoxide, formic acid, methanol, methane, ethanol, and ethylene through the electroreduction of CO2. Key performance benchmarks including the maximum operating cell potential (Vmax), minimum operating current density (jmin), Faradaic efficiency (FE), and catalyst durability (tcatdur) are derived. The Vmax values obtained for the different chemicals indicate that CO and HCOOH are the most economically viable products. Selectivity requirements suggest that the coproduction of an economically less feasible chemical (CH3OH, CH4, C2H5OH, C2H4) with a more feasible chemical (CO, HCOOH) can be a strategy to offset the Vmax requirements for individual products. Other performance requirements such as jmin and tcatdur are also derived, and the feasibility of alternative process designs and operating conditions are evaluated. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ChemSusChem - Chemistry and Sustainability, Energy & Materials Wiley

A Gross‐Margin Model for Defining Technoeconomic Benchmarks in the Electroreduction of CO2

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References (71)

Publisher
Wiley
Copyright
"© 2016 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim"
ISSN
1864-5631
eISSN
1864-564X
DOI
10.1002/cssc.201600394
pmid
27345560
Publisher site
See Article on Publisher Site

Abstract

We introduce a gross‐margin model to evaluate the technoeconomic feasibility of producing different C1–C2 chemicals such as carbon monoxide, formic acid, methanol, methane, ethanol, and ethylene through the electroreduction of CO2. Key performance benchmarks including the maximum operating cell potential (Vmax), minimum operating current density (jmin), Faradaic efficiency (FE), and catalyst durability (tcatdur) are derived. The Vmax values obtained for the different chemicals indicate that CO and HCOOH are the most economically viable products. Selectivity requirements suggest that the coproduction of an economically less feasible chemical (CH3OH, CH4, C2H5OH, C2H4) with a more feasible chemical (CO, HCOOH) can be a strategy to offset the Vmax requirements for individual products. Other performance requirements such as jmin and tcatdur are also derived, and the feasibility of alternative process designs and operating conditions are evaluated.

Journal

ChemSusChem - Chemistry and Sustainability, Energy & MaterialsWiley

Published: Sep 9, 2016

Keywords: ; ; ; ;

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