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US researchers optimise liquid hydrogen system for aviation

Gas
May 28, 2025

A liquid hydrogen storage and delivery system designed by researchers at the FAMU-FSU College of Engineering in the US state of Florida aims to deliver zero-emission aviation while addressing key storage and cooling challenges.

A team has designed a system for a 100-passenger aircraft hybrid-electric aircraft that draws power from both hydrogen fuel cells and turbine-driven superconducting generators.

Hydrogen produces more energy per kilogram than conventional jet fuel and emits no carbon dioxide when burnt, making it practical for aviation. However, it is much less dense, which means it must be stored as a supercooled (–253℃) liquid to take up less space.

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