how hydrogen works as a fuel.
In: Technology
You can burn it with an oxidizer like oxygen and it releases a lot of heat.
The general idea is the same for all fuel you burn.
You can also use hydrogen as a fuel cell where you have a more controlled reaction with oxygen and you produce electricity directly.
You could use it as a fusion fuel too but humans hand not manage to build a fusion reactor that produces more energy than the required to start and operate. We might soon but have not yet manage in.
Hydrogen has advantages as combustion product is water so not carbon dioxide produces and it produces a lot of energy compared to the weight but not compared to the volume
Hydrogen has drawbacks. There is no natural source of is so we make it from natural gas or bu splitting water apart and that requires a lot of electricity.
Hydrogen is quite reactive to metal contains. If you store it as a pressurized gas the energy in a tube is less than the other gases you can burn. Store it as a liquid require cooling to a very low temperature.
Have missed what you asked about? Because it is quite a general question.
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