Strontium- iron- cobalt metal oxide crystal that releases and captures oxygen on demand could improve solid oxide hydrogen fuel cells

https://newatlas.com/materials/breathing-crystals-oxygen-fuel-cells/ 

"durable, efficient electricity production... heated to relatively low temperature of about 752°F (previously much higher temperatures, for oxygen control)... replaces other materials that were too fragile to use repeatedly... smart materials that can adjust in real time... clean energy, electronics, even eco-friendly building materials... in addition to fuel cells, can be used in: thermal transistors that control heat transfer in electronics, smart windows for adjusting heat flow as needed to maintain indoor temperatures"

Related:

Cobalt exsolution technique boosts solid oxide fuel cell performance
https://techxplore.com/news/2025-10-cobalt-exsolution-technique-boosts-solid.html

Advanced cobalt-based catalysts can boost efficiency in hydrogen fuel cell vehicles and cut costs
https://techxplore.com/news/2025-10-advanced-cobalt-based-catalysts-boost.html

DGIST develops new alloy catalyst to enhance next-generation hydrogen fuel cell performance
https://www.eurekalert.org/news-releases/1102518