What factors led to shift away from pursuing hydrogen-powered cars in favor of electric vehicles?
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Several problems with Hydrogen:
1. If you produce it by electrolysis you spend more energy than you get back. Using fictitious numbers just to illustrate: if you spend 10 KW of energy to produce 10 cubic meter of hydrogen, it will give you 6 KW of energy when you try to use it.
2. Hydrogen is highly reactive. It will react with everything, like the tank you use to store it, making it brittle.
3. Hydrogen is dangerous. You can make it “less” dangerous by lowing its temperature to very extreme values but that requires a complex machine and more energy or
4. or you can compress the hell out of it, to liquefy it by force. Then you are carrying a bomb around.
5. If you produce it by reacting butane with water, you use less energy than electrolysis but you produce huge amounts of CO2, the thing you are trying to prevent and you are using fossil fuel, other thing you are trying to prevent.
6. A new option they have discovered is that hydrogen is produced by earth and you have points, across the planet, where hydrogen can be extracted such as oil. This hydrogen is produced by hot rocks interacting with water, meaning it can be an infinite renewable source, but as far as I read, when you pump that, you also pump other gases, as, guess which… CO2…
7. Hydrogen molecule is small. The smallest of them all. It is so small that keeping it contained on a tank is a problem and it will eventually leak and guess what… BOOM!
I sincerely don’t see a future for hydrogen, at least not in its purest form because it requires a lot of safety procedures and exposes everyone to a lot of dangers.
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