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OKIsItJustMe

(21,209 posts)
3. "Hydrogen is the most abundant element in the universe."
Mon Nov 18, 2024, 08:40 PM
Nov 2024

I hate this statement. It’s true, but irrelevant.

“Green” hydrogen is not an energy source, it is not grown, it is produced. Typically, water (H₂O) is split, using electricity, producing H₂ & O₂. The electricity must be generated somehow (solar power, wind power…) To make use of the hydrogen, it is recombined with oxygen (in a fuel cell, in an engine…) becoming water again.

In this scenario, hydrogen is described as an “energy carrier.” Effectively, the hydrogen is stored solar power, or wind power…

“Green hydrogen” is more like a battery than (for example) nuclear power.

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