he/they

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Joined 2 years ago
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Cake day: June 13th, 2024

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  • Oxygen is supplied to the cathode, and within the cell, the fine coal powder undergoes electrochemical oxidation across an oxide membrane, yielding electricity directly – without any intermediate steam cycle or mechanical turbine.

    What the fuck, it’s not boiling water this time

    Whenever a new one of these pops up I look up what other smarter people think, and usually the limiting factor of these kind of “batteries” is making the membrane that separates the anion and cathode cheaply and reliably enough.






  • This is neat, but comes with a couple of caveats:

    1. Even if we can get the quoted 90% utilization (carbon reutilization is notoriously tricky to implement at scale), coal is still pretty bad for reasons other than emissions.

    2. That ammonia has to come from somewhere. Somewhere being the Haber-Bosch process, which uses natural gas. Though you could argue this ammonia would be used anyway, just on different fertilizer, which is true, but the point is that this isn’t just a coal-for-fertilizer deal.

    This could be beneficial where coal is, for now, the financially viable choice (steel and concrete), or places stuck with it for political reasons (specially with the US attacks on Iran and the oil crisis making coal the only choice in some places). Though I think it’s good to be a little skeptical about carbon recapture cause so far it has disappointed.

    Mostly I don’t want coming to the conclusion that coal is clean now.







  • ShinkanTrain@lemmy.mltoRPGMemes @ttrpg.networkNot complaining
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    2 months ago

    I searched “tabaxi” with no safe search, and filtering out AI slop.

    Number of images until I found something a little horny but not porn: 1

    Number of images until I found AI slop: 6

    I scrolled until it stop showing images and no porn was had, so I suppose I need to be more specific.