Designing anion exchange membranes for CO2 electrolysers

Danielle A. Salvatore; Christine M. Gabardo; Angelica Reyes; Colin P. O’Brien; Steven Holdcroft; Peter Pintauro; Bamdad Bahar; Michael Hickner; Chulsung Bae; David Sinton; Edward H. Sargent; Curtis P. Berlinguette

doi:10.1038/s41560-020-00761-x

Designing anion exchange membranes for CO₂ electrolysers

Danielle A. Salvatore, Christine M. Gabardo, Angelica Reyes, Colin P. O’Brien, Steven Holdcroft, Peter Pintauro, Bamdad Bahar, Michael Hickner, Chulsung Bae, David Sinton, Edward H. Sargent, Curtis P. Berlinguette

Research output: Contribution to journal › Review article › peer-review

279 Scopus citations

Abstract

New technologies are required to electrocatalytically convert carbon dioxide (CO₂) into fuels and chemicals at near-ambient temperatures and pressures more effectively. One particular challenge is mediating the electrochemical CO₂ reduction reaction (CO₂RR) at low cell voltages while maintaining high conversion efficiencies. Anion exchange membranes (AEMs) in zero-gap reactors offer promise in this direction; however, there remain substantial obstacles to be overcome in tailoring the membranes and other cell components to the requirements of CO₂RR systems. Here we review recent advances, and remaining challenges, in AEM materials and devices for CO₂RR. We discuss the principles underpinning AEM operation and the properties desired for CO₂RR, in addition to reviewing state-of-the-art AEMs in CO₂ electrolysers. We close with future design strategies to minimize product crossover, improve mechanical and chemical stability, and overcome the energy losses associated with the use of AEMs for CO₂RR systems.

Original language	English (US)
Pages (from-to)	339-348
Number of pages	10
Journal	Nature Energy
Volume	6
Issue number	4
DOIs	https://doi.org/10.1038/s41560-020-00761-x
State	Published - Apr 2021

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Fuel Technology
Energy Engineering and Power Technology

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1038/s41560-020-00761-x

Cite this

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title = "Designing anion exchange membranes for CO2 electrolysers",

abstract = "New technologies are required to electrocatalytically convert carbon dioxide (CO2) into fuels and chemicals at near-ambient temperatures and pressures more effectively. One particular challenge is mediating the electrochemical CO2 reduction reaction (CO2RR) at low cell voltages while maintaining high conversion efficiencies. Anion exchange membranes (AEMs) in zero-gap reactors offer promise in this direction; however, there remain substantial obstacles to be overcome in tailoring the membranes and other cell components to the requirements of CO2RR systems. Here we review recent advances, and remaining challenges, in AEM materials and devices for CO2RR. We discuss the principles underpinning AEM operation and the properties desired for CO2RR, in addition to reviewing state-of-the-art AEMs in CO2 electrolysers. We close with future design strategies to minimize product crossover, improve mechanical and chemical stability, and overcome the energy losses associated with the use of AEMs for CO2RR systems.",

author = "Salvatore, {Danielle A.} and Gabardo, {Christine M.} and Angelica Reyes and O{\textquoteright}Brien, {Colin P.} and Steven Holdcroft and Peter Pintauro and Bamdad Bahar and Michael Hickner and Chulsung Bae and David Sinton and Sargent, {Edward H.} and Berlinguette, {Curtis P.}",

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AU - Salvatore, Danielle A.

AU - Gabardo, Christine M.

AU - Reyes, Angelica

AU - O’Brien, Colin P.

AU - Holdcroft, Steven

AU - Pintauro, Peter

AU - Bahar, Bamdad

AU - Hickner, Michael

AU - Bae, Chulsung

AU - Sinton, David

AU - Sargent, Edward H.

AU - Berlinguette, Curtis P.

PY - 2021/4

Y1 - 2021/4

N2 - New technologies are required to electrocatalytically convert carbon dioxide (CO2) into fuels and chemicals at near-ambient temperatures and pressures more effectively. One particular challenge is mediating the electrochemical CO2 reduction reaction (CO2RR) at low cell voltages while maintaining high conversion efficiencies. Anion exchange membranes (AEMs) in zero-gap reactors offer promise in this direction; however, there remain substantial obstacles to be overcome in tailoring the membranes and other cell components to the requirements of CO2RR systems. Here we review recent advances, and remaining challenges, in AEM materials and devices for CO2RR. We discuss the principles underpinning AEM operation and the properties desired for CO2RR, in addition to reviewing state-of-the-art AEMs in CO2 electrolysers. We close with future design strategies to minimize product crossover, improve mechanical and chemical stability, and overcome the energy losses associated with the use of AEMs for CO2RR systems.

AB - New technologies are required to electrocatalytically convert carbon dioxide (CO2) into fuels and chemicals at near-ambient temperatures and pressures more effectively. One particular challenge is mediating the electrochemical CO2 reduction reaction (CO2RR) at low cell voltages while maintaining high conversion efficiencies. Anion exchange membranes (AEMs) in zero-gap reactors offer promise in this direction; however, there remain substantial obstacles to be overcome in tailoring the membranes and other cell components to the requirements of CO2RR systems. Here we review recent advances, and remaining challenges, in AEM materials and devices for CO2RR. We discuss the principles underpinning AEM operation and the properties desired for CO2RR, in addition to reviewing state-of-the-art AEMs in CO2 electrolysers. We close with future design strategies to minimize product crossover, improve mechanical and chemical stability, and overcome the energy losses associated with the use of AEMs for CO2RR systems.

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