Tungsten oxide coating enhances membrane-electrode performance, efficiency, and durability in hydrogen fuel cells

https://techxplore.com/news/2023-11-hydrogen-fuel-cell-durability-tungsten.html

"applied WO3 coating to catalyst layer at anode... selectively conducts electricity as protons are intercalated/deintercalated by exploiting metal-insulator transition wherein insulator becomes capable of conducting electricity when subjected to external factors like changes in concentration or temperature of a gas... this lessens oxygen-caused deterioration of fuel-cell's catalyst... catalyst remained corrosion-free with 94% performance retention rate... readily applied during mass production of fuel-cell vehicles"

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