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)
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We do use other elements like Carbon.
The problem is that if you burn hydrogen you get H2O aka water. if you burn carbon you get CO and CO2 aka carbon monoxide and carbon dioxide. We don’t want more CO2 in our atmosphere.
Hydrogen is not used as a fuel source and more like a battery.
You get electricity from solar or similar, use it to turn water into hydrogen and oxygen and then later turn hydrogen and oxygen back into water and get the energy back.
We have lots of other ways to store energy like this.
The trick is finding one that allows you to store a lot of energy in a small volume and mass, doesn’t involve too much risk of explosion of toxic byproduct being released when opened and is cheap enough.
Water is very cheap.
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