System Design Rules for Intensifying the Electrochemical Reduction of CO<sub>2</sub> to CO on Ag Nanoparticles
-
- Saket S. Bhargava
- Department of Chemical and Biomolecular Engineering University of Illinois at Urbana-Champaign 600 S. Mathews Ave. Urbana Illinois USA 61801
-
- Federica Proietto
- Department of Chemical and Biomolecular Engineering University of Illinois at Urbana-Champaign 600 S. Mathews Ave. Urbana Illinois USA 61801
-
- Daniel Azmoodeh
- Department of Chemical and Biomolecular Engineering University of Illinois at Urbana-Champaign 600 S. Mathews Ave. Urbana Illinois USA 61801
-
- Emiliana R. Cofell
- International Institute for Carbon-Neutral Energy Research (WPI−I2CNER) Kyushu University 744 Motooka, Nishi-ku Fukuoka Japan 819-0395
-
- Danielle A. Henckel
- Department of Chemical and Biomolecular Engineering University of Illinois at Urbana-Champaign 600 S. Mathews Ave. Urbana Illinois USA 61801
-
- Sumit Verma
- Department of Chemical and Biomolecular Engineering University of Illinois at Urbana-Champaign 600 S. Mathews Ave. Urbana Illinois USA 61801
-
- Christopher J. Brooks
- Honda Research Institute USA, Inc. 1381 Kinnear Road Columbus Ohio USA 43212
-
- Andrew A. Gewirth
- International Institute for Carbon-Neutral Energy Research (WPI−I2CNER) Kyushu University 744 Motooka, Nishi-ku Fukuoka Japan 819-0395
-
- Paul J. A. Kenis
- Department of Chemical and Biomolecular Engineering University of Illinois at Urbana-Champaign 600 S. Mathews Ave. Urbana Illinois USA 61801
この論文をさがす
説明
<jats:title>Abstract</jats:title><jats:p>Electroreduction of CO<jats:sub>2</jats:sub> (eCO<jats:sub>2</jats:sub>RR) is a potentially sustainable approach for carbon‐based chemical production. Despite significant progress, performing eCO<jats:sub>2</jats:sub>RR economically at scale is challenging. Here we report meeting key technoeconomic benchmarks simultaneously through electrolyte engineering and process optimization. A systematic flow electrolysis study ‐ performing eCO<jats:sub>2</jats:sub>RR to CO on Ag nanoparticles as a function of electrolyte composition (cations, anions), electrolyte concentration, electrolyte flow rate, cathode catalyst loading, and CO<jats:sub>2</jats:sub> flow rate ‐ resulted in partial current densities of 417 and 866 mA/cm<jats:sup>2</jats:sup> with faradaic efficiencies of 100 and 98 % at cell potentials of −2.5 and −3.0 V with full cell energy efficiencies of 53 and 43 %, and a conversion per pass of 17 and 36 %, respectively, when using a CsOH‐based electrolyte. The cumulative insights of this study led to the formulation of system design rules for high rate, highly selective, and highly energy efficient eCO<jats:sub>2</jats:sub>RR to CO.</jats:p>
収録刊行物
-
- ChemElectroChem
-
ChemElectroChem 7 (9), 2001-2011, 2020-03-19
Wiley
