Scientists discover an enzyme that turns air into electricity, providing a new clean source of energy

https://www.monash.edu/discovery-institute/news-and-events/news/2023-articles/scientists-discover-an-enzyme-that-turns-air-into-electricity-providing-a-new-clean-source-of-energy

"enzyme uses low amounts of hydrogen in atmosphere to create electrical current... hydrogen-consuming enzyme, called Huc, from common soil bacterium... possible long period storage, freeze enzyme or heat to 80°c... bacteria that produce enzymes like Huc common and can be grown in large quantities... small air-powered devices"