Tuning the Microenvironment in Gas-Diffusion Electrodes Enables High-Rate CO2 Electrolysis to Formate
Electroreduction of CO2 to formate on Bi-based catalyst is a promising route for CO2
recycling and sustainable fuel production. The use of gas-diffusion-electrode (GDE) flow
cells has generally improved the rate of CO2 electrolysis, while the local reaction
environment in GDEs and its impact on the electrolysis remain to be understood. Here, we
report that tuning the microenvironment of Bi-based catalyst in a GDE by adding
hydrophobic polytetrafluoroethylene (PTFE) nanoparticles in the catalyst layer can …
recycling and sustainable fuel production. The use of gas-diffusion-electrode (GDE) flow
cells has generally improved the rate of CO2 electrolysis, while the local reaction
environment in GDEs and its impact on the electrolysis remain to be understood. Here, we
report that tuning the microenvironment of Bi-based catalyst in a GDE by adding
hydrophobic polytetrafluoroethylene (PTFE) nanoparticles in the catalyst layer can …
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