Alchemy ? making copper gas diffusion electrodes behave like gold

Publication
Published

September 2, 2023

Congratulations to Alex Heenan on his paper in Electrochimica Acta. Alex showed that the Nafion ionomer loading in a CuO catalyst ink can be used to shift the selectivity of a gas diffusion electrode dramatically — from copper-like behaviour favouring ethylene to gold-like behaviour favouring CO. The work highlights how catalyst layer formulation is a powerful and underutilised lever for controlling product selectivity in CO2 electroreduction. Well done Alex!