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  4. (Bi)carbonate Precipitation and Gas Diffusion Electrode Stability Coexist during Pulsed Electrochemical CO<sub>2</sub> Reduction
 
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research article

(Bi)carbonate Precipitation and Gas Diffusion Electrode Stability Coexist during Pulsed Electrochemical CO2 Reduction

Bernasconi, Francesco
•
Mirolo, Marta
•
Plainpan, Nukorn
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January 3, 2025
ACS Energy Letters

Pulsed electrolysis is an effective strategy to stabilize the high selectivity of Cu gas diffusion electrodes toward C >= 2 products, the decrease of which over time under continuous operation is often ascribed to (bi)carbonate precipitation. Here, we demonstrate via operando wide-angle X-ray scattering that (bi)carbonate crystals precipitate even during pulsed electrolysis but without causing losses in C >= 2 product selectivity.

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Type
research article
DOI
10.1021/acsenergylett.4c03042
Web of Science ID

WOS:001389944200001

Author(s)
Bernasconi, Francesco
•
Mirolo, Marta
•
Plainpan, Nukorn
•
Wang, Qing
•
Zeng, Peng
•
Drnec, Jakub
•
Senocrate, Alessandro
•
Battaglia, Corsin  
Date Issued

2025-01-03

Publisher

AMER CHEMICAL SOC

Published in
ACS Energy Letters
Subjects

Science & Technology

•

Physical Sciences

•

Technology

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SMX-ENS  
FunderFunding(s)Grant NumberGrant URL

Swiss National Science Foundation (SNSF)

ETH Board in the framework of the Joint Strategic Initiative "Synthetic Fuels from Renewable Resources"

Open Research Data Program of the ETH Board (project "PREMISE": Open and Reproducible Materials Science Research)

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Available on Infoscience
January 28, 2025
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/245749
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