Even though the CO2SMOS project has concluded, results from the project continue to provide valuable insights!
A recent study by our consortium partner, the University of Amsterdam, investigates the electrochemical reduction of CO₂ to CO using commercial silver electrodes.
Key takeaways:
🔷 Current density is critical: Doubling it from 150 to 300 mA/cm² drastically reduces CO yield and increases hydrogen production.
🔷 Electrode effects vary with conditions:
– At 150 mA/cm², hydrogen production is largely unaffected by electrode type, but CO yield depends on the electrode.
– At 300 mA/cm², both CO and H₂ production are influenced by the electrode properties.
🔷 Top performance: Using commercially available etched silver foam at 150 mA/cm² delivers the highest CO yield (>80%).
These findings continue to inform the design of efficient, high-pressure CO₂ electrolysis systems and sustainable CO production technologies.
Congrats to the authors Noë Watson, Charlotte von Quadt, Stanislav Molodtsov, Lukas Balk, Bart van den Bosch, and Gadi Rothenberg!
Find the study here.
