Comment on Stellantis abandons hydrogen fuel cell development

• einkorn@feddit.org ⁨1⁩ ⁨month⁩ ago

  Are there even any natural hydrogen deposits on earth?

  Every plan for green hydrogen I’ve seen so far relies splitting water via electrolysis.

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  • ByteSorcerer@beehaw.org ⁨1⁩ ⁨month⁩ ago

    Natural hydrogen deposits do exist, but they’ve only been mapped out quite recently and it is still unknown if it can be extracted in a safe and economically viable manner.

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  • CanadaPlus@lemmy.sdf.org ⁨1⁩ ⁨month⁩ ago

    Yes! Although it’s a relatively recent discovery.

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• Midnitte@beehaw.org ⁨1⁩ ⁨month⁩ ago

  Hydrogen gas is produced by several industrial methods.Nearly all of the world’s current supply of hydrogen is created from fossil fuels.[2][3]

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• Hirom@beehaw.org ⁨1⁩ ⁨month⁩ ago

  We’ll see.

  Once there’s enough hydrogen drilling and hydrogen production no longer depend on fossil fuel, then maybe H2 vehicules will make sense. Or maybe H2 will still be impractical due to other drawbacks.

  Meanwhile it make sense to focus on less polluting options.

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  • Visikde@beehaw.org ⁨1⁩ ⁨month⁩ ago

    Oh great, punch more holes through the aquifer that can’t be repaired

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  • Mihies@programming.dev ⁨1⁩ ⁨month⁩ ago

    Theoretically one can slap a shit ton of solar panels to produce H2 with excess energy. Not very efficient, but still very green.

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• megopie@beehaw.org ⁨1⁩ ⁨month⁩ ago

  to date there is zero evidence of meaningful deposits of geological hydrogen. There is definitely hydrogen in the crust, but, so far zero evidence that it accumulates in meaningful amounts in the areas we can currently drill to.

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  • tyler@programming.dev ⁨1⁩ ⁨month⁩ ago

    lol my wife literally was the project manager for a hydrogen site in Arizona. No clue where you got your information, but it’s just absolutely incorrect.

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    • megopie@beehaw.org ⁨1⁩ ⁨month⁩ ago

      The United States Geological Service.

      A pocket producing an amount is not the same as a significant deposit.

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      • CanadaPlus@lemmy.sdf.org ⁨1⁩ ⁨month⁩ ago

        Can you link one? A quick look gave this:

        A recent study by the USGS estimates that there could be millions of Mt of natural hydrogen in accumulations in the Earth’s crust (Ellis and Gelman, 2024). However, there is a great deal of uncertainty associated with this prediction and the model does not evaluate the potential size or distribution of hydrogen accumulations. Most of this hydrogen is likely to be in accumulations that are too deep, too far offshore, or too small to ever be economically recovered. That said, even a small fraction of the estimated amount of subsurface hydrogen could potentially meet all global projected demand for hundreds of years. Consequently, the key to understanding geologic hydrogen resource potential is to examine the geologic factors that affect the potential to form accumulations.

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• tuhriel@infosec.pub ⁨1⁩ ⁨month⁩ ago

  Also it seems to be a good energy storage…for cases where you have irregular energy production. Create hydrogen via electrolysis using the energy surplus from wind, photovoltaic etc.
  And if you need the power, you get it back via fuel cells.

  I think I saw a documentary about the shetland islands, where they have (or had) a power surplus from wind farms mich grater than they where able to transfer to the main land.

  I guess these are the cases which make sense…but creating another supply network to bring the hydrogen fuel everywhere might not be the way to go…

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