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

Sumit Verma; Bumjoon J. Kim; Huei‐Ru “Molly” Jhong; Sichao Ma; Paul J. A. Kenis

doi:10.1002/cssc.201600394

journal article Jun 27, 2016

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

Sumit Verma

Bumjoon J. Kim

Huei‐Ru “Molly” Jhong Sichao Ma Paul J. A. Kenis

ChemSusChem Vol. 9 No. 15 pp. 1972-1979 · Wiley

View at Publisher Save 10.1002/cssc.201600394

Abstract

AbstractWe 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.

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Citations

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References

Details

Published: Jun 27, 2016
Vol/Issue: 9(15)
Pages: 1972-1979
License: View

Authors

S

Sumit Verma

Department of Chemical & Biomolecular Engineering University of Illinois at Urbana-Champaign 600 South Mathews Avenue Urbana IL 61801 USA; International Institute for Carbon Neutral Energy Research (WPI-I2CNER) Kyushu University 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan

B

Bumjoon J. Kim

Department of Chemical & Biomolecular Engineering University of Illinois at Urbana-Champaign 600 South Mathews Avenue Urbana IL 61801 USA; International Institute for Carbon Neutral Energy Research (WPI-I2CNER) Kyushu University 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan

H

Huei‐Ru “Molly” Jhong

Department of Chemical & Biomolecular Engineering University of Illinois at Urbana-Champaign 600 South Mathews Avenue Urbana IL 61801 USA; International Institute for Carbon Neutral Energy Research (WPI-I2CNER) Kyushu University 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan

S

Sichao Ma

International Institute for Carbon Neutral Energy Research (WPI-I2CNER) Kyushu University 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan; Department of Chemistry University of Illinois at Urbana-Champaign 505 South Mathews Avenue Urbana IL 61801 USA

P

Paul J. A. Kenis

Department of Chemical & Biomolecular Engineering University of Illinois at Urbana-Champaign 600 South Mathews Avenue Urbana IL 61801 USA; International Institute for Carbon Neutral Energy Research (WPI-I2CNER) Kyushu University 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan

Funding

International Institute for Carbon Neutral Energy Research Award: WPI-I2CNER

Cite This Article

Sumit Verma, Bumjoon J. Kim, Huei‐Ru “Molly” Jhong, et al. (2016). A Gross‐Margin Model for Defining Technoeconomic Benchmarks in the Electroreduction of CO2. ChemSusChem, 9(15), 1972-1979. https://doi.org/10.1002/cssc.201600394

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

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