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Hydrogen will likely win out ultimately, once they have figured out which high density solid-state hydrogen storage solution is the most viable for aviation. It
by stareatgoats 4y ago
Hydrogen will likely win out ultimately, once they have figured out which high density solid-state hydrogen storage solution is the most viable for aviation. It's not going to be the most energy efficient (many big losses in the process of converting to water to solid-state hydrogen), but it is vastly safer than the alternatives and will likely at least enable long range green air travel, at long last.
- coderenegade 4y agoSolid state hydrogen storage typically only gets you to a maximum of 20% hydrogen by weight, which is equivalent to ammonia. Ammonia also lets you liberate all of the hydrogen, whereas hydrides don't. If you want to use hydrogen for aviation, LH2 is really the best answer, since the percentage hydrogen by weight is much higher. The next best thing would probably be an sofc using hydrocarbon fuel, if you really wanted to go electric, but still needed endurance.