New fuel cell architecture uses nanowires to deliver high fuel economy over longer lifetime

https://techxplore.com/news/2023-08-fuel-cell-architecture-nanowires-durability.html

"nanowires less susceptible to corrosion... fuel cell lifetime >25K hours... vertically aligned nanowires array, each nanowire comprises catalytically active platinum film surrounding ion-conducting polymer core... avoiding carbon-based catalyst supports eliminates common degradation mechanisms associated with carbon corrosion, losing only 2% (rather than 87%) performance after 5K stress test cycles focused on support materials"