What It Takes To Make Fuel Cell Power Work In Aircraft

Large radiators for PEM fuel cells.

Large radiators are needed to air-cool the low-temperature PEM fuel cells.

Credit: ZeroAvia
With demonstrator powertrains developed by startups ZeroAvia and Universal Hydrogen now flying on testbed aircraft, propulsion systems based on fuel cells appear poised to bring hydrogen to aviation by mid-decade. The flights are a breakthrough for a technology first applied to ground vehicles more...
Graham Warwick

Graham leads Aviation Week's coverage of technology, focusing on engineering and technology across the aerospace industry, with a special focus on identifying technologies of strategic importance to aviation, aerospace and defense.

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