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Designing anion exchange membranes for CO2 electrolysers

Author

Listed:
  • Danielle A. Salvatore

    (The University of British Columbia)

  • Christine M. Gabardo

    (University of Toronto)

  • Angelica Reyes

    (The University of British Columbia)

  • Colin P. O’Brien

    (University of Toronto)

  • Steven Holdcroft

    (Simon Fraser University)

  • Peter Pintauro

    (Vanderbilt University)

  • Bamdad Bahar

    (Xergy Inc)

  • Michael Hickner

    (The Pennsylvania State University)

  • Chulsung Bae

    (Department of Chemistry and Chemical Biology, Rensselaer Polytechnic Institute)

  • David Sinton

    (University of Toronto)

  • Edward H. Sargent

    (University of Toronto)

  • Curtis P. Berlinguette

    (The University of British Columbia
    The University of British Columbia
    The University of British Columbia
    Canadian Institute for Advanced Research (CIFAR))

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.

Suggested Citation

  • 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 , 2021. "Designing anion exchange membranes for CO2 electrolysers," Nature Energy, Nature, vol. 6(4), pages 339-348, April.
    • Handle: RePEc:nat:natene:v:6:y:2021:i:4:d:10.1038_s41560-020-00761-x
    DOI: 10.1038/s41560-020-00761-x
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    Citations

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    Cited by:

    1. Tian, Di & Qu, Zhiguo & Zhang, Jianfei, 2023. "Electrochemical condition optimization and techno-economic analysis on the direct CO2 electroreduction of flue gas," Applied Energy, Elsevier, vol. 351(C).
    2. Yaguang Li & Xianhua Bai & Dachao Yuan & Fengyu Zhang & Bo Li & Xingyuan San & Baolai Liang & Shufang Wang & Jun Luo & Guangsheng Fu, 2022. "General heterostructure strategy of photothermal materials for scalable solar-heating hydrogen production without the consumption of artificial energy," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    3. Chase L. Radford & Torben Saatkamp & Andrew J. Bennet & Steven Holdcroft, 2024. "An organic proton cage that is ultra-resistant to hydroxide-promoted degradation," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    4. Cornelius A. Obasanjo & Guorui Gao & Jackson Crane & Viktoria Golovanova & F. Pelayo García de Arquer & Cao-Thang Dinh, 2023. "High-rate and selective conversion of CO2 from aqueous solutions to hydrocarbons," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    5. Qinglu Liu & Tang Tang & Ziyu Tian & Shiwen Ding & Linqin Wang & Dexin Chen & Zhiwei Wang & Wentao Zheng & Husileng Lee & Xingyu Lu & Xiaohe Miao & Lin Liu & Licheng Sun, 2024. "A high-performance watermelon skin ion-solvating membrane for electrochemical CO2 reduction," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    6. Gumaa A. El-Nagar & Flora Haun & Siddharth Gupta & Sasho Stojkovikj & Matthew T. Mayer, 2023. "Unintended cation crossover influences CO2 reduction selectivity in Cu-based zero-gap electrolysers," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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