I have basic idea of working of hydrogen fuel cell but why just hydrogen? Isn’t there any better or maybe cheaper alternative?
(I know it’s bit complex for but I would appreciate your answers)
In: 346
A couple of reasons.
Burning hydrogen only produces water as a waste product.
Hydrogen is the most abundant element in the universe.
And this is a fringe benefit that only really applies to rocketry:
Under sufficient temperatures and pressures, hydrogen can be compressed into a metallic form allowing you to store more mass of hydrogen in a smaller space
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