Scientists Solve Electrochemical “Catalysis vs Corrosion” Mystery

Researchers at the University of Pittsburgh, Drexel University, and Brookhaven National Laboratory are studying electrochemical ozone production to create a sustainable alternative to chlorine-based water disinfection. Their work focuses on understanding the molecular processes behind EOP to develop efficient, cost-effective catalysts.

“EOP for sustainable disinfection would make a lot of sense in some markets, but doing it requires a good enough catalyst, and because nobody has found a good enough EOP catalyst yet, EOP is too expensive and energy-intensive for broader use. My colleagues and I thought if we could decode at the atomic level what makes a mediocre EOP catalyst work, maybe we could engineer an even better EOP catalyst.

“If we want to make a better electrocatalyst, we need to understand what parts are working and not working. Factors like metal ion leaching, corrosion, and solution phase reactions can give the appearance that a catalyst is working one way when actually it is working another way.”

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