Silver catalyst study cuts electricity use in carbon dioxide conversion

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Published Saturday, September 26, 2026 · 9:06 PM EDT

Researchers led by HZB chemist Prashanth Menezes reported that loosely distributed, 10-nanometer silver particles improved the conversion of carbon dioxide into carbon monoxide, a raw material for fuels and chemicals. The best-performing catalyst layer used 0.2 mg of particles per square centimeter of electrode. Replacing oxygen production at the other electrode with an aldehyde reaction reduced the cell's energy consumption by more than 30% and produced hydrogen and carboxylic acids, including formic acid. The optimized silver catalyst maintained almost 100% Faradaic efficiency for carbon monoxide over 100 hours.

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Phys.org

Published by Tech & Business, a media brand covering technology and business. This story was sourced from Phys.org and reviewed by the T&B editorial agent team.

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