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this post was submitted on 07 Dec 2023
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Technology
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Why not clean hydrogen? Just the handling issues?
Ammonia is wayyyyyyyy easier to store and contains more hydrogen. Pity about the environmental and health dangers
You don't have to store liquid ammonia under high pressure and it has a higher energy density by volume than hydrogen. Also, ammonia is already very useful beyond energy storage, such as for fertilizer. Maybe a hybrid system is the way to go, with hydrogen for smaller consumer applications and ammonia for larger industrial ones. I don't know if there's good way to produce ammonia directly by electrolysis yet, so the ammonia might still have to be derived from hydrogen anyway.