article thumbnail

New solid hydrogen-on-demand fuel cell from HES Energy Systems flies UAV for record 6 hours

Green Car Congress

The Skyblade 360 fuel cell system developed by HES and DSO is extremely lightweight in comparison to lithium batteries that typically power this aircraft, and it is also extremely compact: its 1L fuel cartridge holds 1000 Wh of usable energy. It took HES several years to achieve this performance.

Hydrogen 150