Comment on Shell Is Immediately Closing All Of Its California Hydrogen Stations | The oil giant is one of the big players in hydrogen globally, but even it can't make its operations work here.

• zurohki@aussie.zone ⁨9⁩ ⁨months⁩ ago

  What? Of course you can store power for weeks. It doesn’t just dribble out onto the floor. Go away for a month and come home, your EV is still sitting there with the battery charge whatever you left it on.

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  • nexusband@lemmy.world ⁨9⁩ ⁨months⁩ ago

    No, it doesn’t dribble on the floored, but to keep the battery conditioned takes a lot of energy. There are countless post around all sorts of forums where the battery was empty after 2 weeks, because cooking the battery in the summer heat took a lot of energy. And you can’t leave an EV plugged in at the Airport.

    Transporting hydrogen is cheaper than having to rebuild a whole power grid.

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    • jabjoe@feddit.uk ⁨9⁩ ⁨months⁩ ago

      You don’t need to rebuild the whole grid. The power over night goes up, but that’s OK because night is currently very low usage. Sometimes that has meant turning off renewables as there is no where to put the power. In fact, this can cause negative power costs were they will pay you to take power! So next is where you need it, say a charging forecourt. But that is only during the day, so put in some huge batteries you charge over night. Top up with day time renewables if you can. All this already happens.

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      • nexusband@lemmy.world ⁨9⁩ ⁨months⁩ ago

        That’s the case for Germany, not Japan. Bit different there.

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    • zurohki@aussie.zone ⁨9⁩ ⁨months⁩ ago

      I’ve parked mine outside in the Australian summer. It didn’t magically lose energy. The battery is a dense insulated brick on the bottom of the vehicle, so it doesn’t really get hot enough to need cooling even when it’s 40C / 104F and you park in the sun.

      You can drain the battery in a few weeks, but you need something running like Sentry Mode consuming power.

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• jaemo@sh.itjust.works ⁨9⁩ ⁨months⁩ ago

  So, let’s say I leave an EV at the airport, with 60% charge, battery in reasonable health, and return 2 months later and head home, having lost maybe 3%. You are telling me that’s…not doing exactly what you’re saying I can’t and didn’t just do?

  You don’t also immediately lose all the stored energy either. In a (hypothetical, future tyme) properly kitted out scenario, I leave my EV plugged in at the airport and it’s battery contributes to local grid storage while I’m away. So the 60% I arrived with might drop down during high load, but since my utility company has a handy app I can schedule when I need to unplug and ask for the charge percentage to be topped up in time.

  I might even not have to pay to park my car in that scenario, or potentially even earn credits back…

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  • nexusband@lemmy.world ⁨9⁩ ⁨months⁩ ago

    You will not have lost 3%. You will have lost 30-40% - because no Airport has (and probably never will have) Parking, where you can leave your EV plugged in.

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    • jaemo@sh.itjust.works ⁨9⁩ ⁨months⁩ ago

      Explain to me what hypothetical means to you. Then re read my post and note where I point out the hypotheticals.

      And you definitely would not lose 30-40%. I’d meet at 8-10% but you are either inexperienced with the tech or shilling an agenda with that 30-40%.

      But what would me and my actual lived experience know right?

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• SeaJ@lemm.ee ⁨9⁩ ⁨months⁩ ago

  That’s more an issue with hydrogen than it is with EVs. Hydrogen is very leaky.

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  • nexusband@lemmy.world ⁨9⁩ ⁨months⁩ ago

    No it isn’t. Toyota and Hyundai have had tanks for years now that are not leaking anything. Same goes for Linde.

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    • SeaJ@lemm.ee ⁨9⁩ ⁨months⁩ ago

      Boil off from liquid hydrogen is still an issue as of 6 months ago:

      www.hydrogeninsight.com/innovation/…/2-1-1522238

      Rio Tinto’s scientist puts the boil off of hydrogen at about 1% per day in storage tanks.

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