• zr0@lemmy.dbzer0.com
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    2 days ago

    Warning: heating earbuds batteries to over 300F also causes fires

    Reading this tells me the author has absolutely 0 idea of how physics work and is nothing but a blogger of consumer grade equipment. People like that should refrain from trying to understand how science or scientists work.

  • fox@lemm.ee
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    2 days ago

    This title is pretty bad, the paper focus is in designing new battery technologies not magically restoring capacity on the batteries we have today.

    • dzsimbo@lemm.ee
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      2 days ago

      By not switching to Na based batteries and keeping a lid on Li mining.

      • Lka1988@lemmy.dbzer0.com
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        2 days ago

        New ovens will only reach 280°F. But if you subscribe to LG Baking™ Plus™ plan for only $5.99*/mo, you can unlock up to 340°F for all of your essential baking needs! But wait, if you subscribe to LG Baking™ Plus™ Premium tier for an additional $8.99**/mo, you can unlock up to 425°F and a 20 minute timer!

        ^* introductory rate for new customers only, 2 year contract required, promotion ends after 1 year and increases to $24.99/mo billed annually^

        ^** promotional rate only, 5 year contract required, promotion ends after 2 years and increases to $89.99/mo, billed annually^

        ^† “essential” is defined as items that qualify as food items that require up to 325°F. upon sensing electronic items (batteries, circuit boards, and other non-food items), the contract will be terminated immediately and any funds allocated will be forfeited to LG and its subsidiaries^

          • Lka1988@lemmy.dbzer0.com
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            2 days ago

            Glad to be of assistance. May I offer you TOTO’s Extra Platinum Plus subscription tier that helps handle non-standard bodily waste, at only $7.99/mo for 24 months…

  • vollkorntomate@infosec.pub
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    3 days ago

    I hope this article is well peer-reviewed. Otherwise this reads as if some LLM came up with the idea

  • iAvicenna@lemmy.world
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    2 days ago

    so putting batteries in the fridge wasn’t useful after all, we should put them in the oven

    • Dasus@lemmy.world
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      2 days ago

      so I can now put my spicy pillows in the oven and tell the insurance men the internet told me to?

    • NotMyOldRedditName@lemmy.world
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      2 days ago

      Putting my LG G Flex which had a boot loop problem due to a soldering issue on the battery solved the problem temporarily!

      Edit: oh also that was the freezer

      • topherclay@lemmy.world
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        2 days ago

        I’ve known some old people to put their bootloops in the freezer because they think it won’t go stale as fast.

  • RaoulDook@lemmy.world
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    2 days ago

    Important note near the end of the article - they aren’t saying we should cook batteries really -

    “The team’s hypothesis is that the structural disorder developing inside LIBs may become a “tunable parameter” that, if tweaked using chargers at precise voltages to alter said battery composition, could be used to rejuvenate the batteries in our tech without fires.”

    This is a good old idea that goes back to the days of desulfating lead batteries with powerful shocks of high-amperage current. Might just need a special Healing Charger that applies the right voltage/current to dissolve the bad crystals in lithium-ion systems

    • CucumberFetish@lemm.ee
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      2 days ago

      I remember recovering dead 18650 cells from laptop batteries and “restoring” them with a 12V modded PC PSU. Quite a few of them actually started working again and had some capacity for a few tens of additional cycles. Those cells were never left unattended in a charger and they were always only used in a device you could chuck in a moment’s notice.

      10/10 do not recommend.

      • RaoulDook@lemmy.world
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        1 day ago

        How did that process work? Did you just connect the +/- ends of the cell to the +/- 12v wires of the PSU and let it feed from the high-amp outputs? Imagine there’s plenty of amps on the GPU and CPU power wires

        • CucumberFetish@lemm.ee
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          1 day ago

          Yup, just plugged it in there. The internal resistance of these cells was high enough that it limited the current somewhere between 3-8A. And this was done only briefly as these cells got quite…warm.

    • Tobberone@lemm.ee
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      2 days ago

      Well, there is some data/rumours out there, stemming from a Dutch Tesla forum, that suggests that some fast charging might be beneficial for battery longevity. This seems to corroborate that. I can’t remember the case for always fast charging, though.

    • SharkAttak@kbin.melroy.org
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      2 days ago

      Oh God I can already see all the questionable “Restorer Chargers” and the like from Temu that will be more likely to burn down the house…

  • Rolivers@discuss.tchncs.de
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    3 days ago

    Sounds like a horrible idea if not carefully controlled. Perhaps up to 80 degrees in an oil bath could redissolve some of the electrolytes. I guess it could work. Anything above 100 is asking for trouble.