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Title: Gas-Diffusion Electrodes for Carbon Dioxide Reduction: A New Paradigm

Abstract

Here significant advances have been made in recent years discovering new electrocatalysts and developing a fundamental understanding of electrochemical CO2 reduction processes. This field has progressed to the point that efforts can now focus on translating this knowledge toward the development of practical CO2 electrolyzers, which have the potential to replace conventional petrochemical processes as a sustainable route to produce fuels and chemicals. In this Perspective, we take a critical look at the progress in incorporating electrochemical CO2 reduction catalysts into practical device architectures that operate using vapor-phase CO2 reactants, thereby overcoming intrinsic limitations of aqueous-based systems. Performance comparison is made between state-of-the-art CO2 electrolyzers and commercial H2O electrolyzers—a well-established technology that provides realistic performance targets. Beyond just higher rates, vapor-fed reactors represent new paradigms for unprecedented control of local reaction conditions, and we provide a perspective on the challenges and opportunities for generating fundamental knowledge and achieving technological progress toward the development of practical CO2 electrolyzers.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [1]; ORCiD logo [3]
  1. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. California Inst. of Technology (CalTech), Pasadena, CA (United States)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1503644
Grant/Contract Number:  
AC02-76SF00515; NRF-2017R1A6A3A03006971
Resource Type:
Accepted Manuscript
Journal Name:
ACS Energy Letters
Additional Journal Information:
Journal Volume: 4; Journal Issue: 1; Journal ID: ISSN 2380-8195
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Higgins, Drew, Hahn, Christopher, Xiang, Chengxiang, Jaramillo, Thomas F., and Weber, Adam Z. Gas-Diffusion Electrodes for Carbon Dioxide Reduction: A New Paradigm. United States: N. p., 2018. Web. doi:10.1021/acsenergylett.8b02035.
Higgins, Drew, Hahn, Christopher, Xiang, Chengxiang, Jaramillo, Thomas F., & Weber, Adam Z. Gas-Diffusion Electrodes for Carbon Dioxide Reduction: A New Paradigm. United States. https://doi.org/10.1021/acsenergylett.8b02035
Higgins, Drew, Hahn, Christopher, Xiang, Chengxiang, Jaramillo, Thomas F., and Weber, Adam Z. Fri . "Gas-Diffusion Electrodes for Carbon Dioxide Reduction: A New Paradigm". United States. https://doi.org/10.1021/acsenergylett.8b02035. https://www.osti.gov/servlets/purl/1503644.
@article{osti_1503644,
title = {Gas-Diffusion Electrodes for Carbon Dioxide Reduction: A New Paradigm},
author = {Higgins, Drew and Hahn, Christopher and Xiang, Chengxiang and Jaramillo, Thomas F. and Weber, Adam Z.},
abstractNote = {Here significant advances have been made in recent years discovering new electrocatalysts and developing a fundamental understanding of electrochemical CO2 reduction processes. This field has progressed to the point that efforts can now focus on translating this knowledge toward the development of practical CO2 electrolyzers, which have the potential to replace conventional petrochemical processes as a sustainable route to produce fuels and chemicals. In this Perspective, we take a critical look at the progress in incorporating electrochemical CO2 reduction catalysts into practical device architectures that operate using vapor-phase CO2 reactants, thereby overcoming intrinsic limitations of aqueous-based systems. Performance comparison is made between state-of-the-art CO2 electrolyzers and commercial H2O electrolyzers—a well-established technology that provides realistic performance targets. Beyond just higher rates, vapor-fed reactors represent new paradigms for unprecedented control of local reaction conditions, and we provide a perspective on the challenges and opportunities for generating fundamental knowledge and achieving technological progress toward the development of practical CO2 electrolyzers.},
doi = {10.1021/acsenergylett.8b02035},
journal = {ACS Energy Letters},
number = 1,
volume = 4,
place = {United States},
year = {2018},
month = {12}
}

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