Palm-size solid oxide fuel cell reactor overcomes >600°C thermal management/ safety barriers that cause small-scale reactors to crack

https://techxplore.com/news/2026-01-handheld-fuel-cell-reactor-rapid.html

"cantilevered yttria-stabilized zirconia ceramic minimizes heat conduction/ prevents structural failure, using multilayer insulation trapping heat internally allowing safe touch while reaching operating temperatures in 5 minutes (was 30)... if insulation punctured, temperature drops rapidly below the hydrogen ignition point within 5 minutes... up to 4X gravimetric energy density benefit high-drain edge devices: drones, compact robotics, AI hardware, scalable high-density off-grid power"