METHOD, USE AND ELECTROLYSIS CELL COMPRISING GAS DIFFUSION ELECTRODE FOR REDUCING CARBON DIOXIDE

The invention relates to a gas diffusion electrode for reducing carbon dioxide, having a special catalyst morphology (silver in the form of agglomerated nanoparticles having a BET surface area of at least 2 m2/g), and to an electrolysis device. The gas diffusion electrode comprises at least one carr...

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Bibliographic Details
Main Authors VENZ, Michael, BURBACH, Thomas, EIDEN, Stefanie, RITTERMEIER, Andre
Format Patent
LanguageEnglish
French
German
Published 02.08.2023
Subjects
APPARATUS THEREFOR
CHEMISTRY
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS
METALLURGY
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Summary:The invention relates to a gas diffusion electrode for reducing carbon dioxide, having a special catalyst morphology (silver in the form of agglomerated nanoparticles having a BET surface area of at least 2 m2/g), and to an electrolysis device. The gas diffusion electrode comprises at least one carrier and a porous coating on the basis of an electrochemically active porous silver catalyst and a hydrophobic material. The invention further relates to a production method for the gas diffusion electrode and to the use thereof as a carbon dioxide GDE in e.g. chlorine electrolysis.
Bibliography:Application Number: EP20180735210