The motor was powered using a ratio of two-thirds gaseous hydrogen to one-third on battery power. It stores 1.2 kg of hydrogen in three onboard tanks compressed to almost 5,000 psi.
Des progrès dans les piles à combustible?
https://avweb.com/aviation-news/mit-team-releases-tempting-report-on-electric-aircraft-technology/? Pile à combustible ? Lire aussi chez Airbus https://www.h2-mobile.fr/actus/pile-hydrogene-airbus-franchit-nouveau-cap…