this post was submitted on 24 Apr 2025
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(page 2) 50 comments
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[–] [email protected] 18 points 1 week ago (3 children)

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

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[–] [email protected] 12 points 1 week ago (2 children)

Neat! So if I put my phone in the microwave it will reset the battery?

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[–] [email protected] 37 points 1 week ago (5 children)

Yes but how can shareholders profit from this??

[–] [email protected] 8 points 1 week ago (1 children)

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

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[–] [email protected] 28 points 1 week ago (6 children)

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

[–] [email protected] 3 points 1 week ago (2 children)

With electric cars you might not even need a special charger so much as a special charging cycle. Its already the norm for cars to tell the charger what voltage and current they want, and its already the norm for cars to carefully control their battery's temperature during charging.

That's not to say you'd necessarily be able to do this with just a software update, but its not too far off from the current paradigm.

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[–] [email protected] 68 points 1 week ago (1 children)

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

[–] [email protected] 11 points 1 week ago (1 children)

Is the paper in the article? I couldn't find it.

Would you be so kind as to link us?

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[–] [email protected] 16 points 1 week ago (1 children)
[–] [email protected] 8 points 1 week ago

In reality, this doesn’t affect the existing batteries we have, it’s just for future battery technology.

[–] [email protected] 38 points 1 week ago

brb chucking my batteries in the oven

it's a cheap and easy thrill

[–] [email protected] 1 points 1 week ago

Wait, nobody came up with this before?

[–] [email protected] 64 points 1 week ago (2 children)

Is this before or after they reach the spicy pillow stage?

[–] [email protected] 16 points 1 week ago (1 children)

I think before, but there’s a trick for spicy pillow just poke a vent hole, trust me I was in IT for 6 years ;p

[–] [email protected] 11 points 1 week ago

i was just thinking i could use an excuse for some skin grafts

[–] [email protected] 25 points 1 week ago

The trick is to let them apply this heat themselves.

[–] [email protected] 81 points 1 week ago* (last edited 1 week ago) (2 children)

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

[–] [email protected] 32 points 1 week ago

Otherwise this reads as if ~~some LLM~~ 4chan came up with the idea

Remember kids, updating to iOS 7 enables your phone to charge wirelessly in the microwave.

[–] [email protected] 25 points 1 week ago (1 children)

The “peer” that reviewed it was another LLM.

[–] [email protected] 28 points 1 week ago (2 children)

Well if it was a human it wouldn't be a peer, would it

[–] [email protected] 4 points 1 week ago

Connection reset by peer.

[–] [email protected] 37 points 1 week ago* (last edited 1 week ago) (3 children)

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.

[–] [email protected] 7 points 1 week ago (1 children)

80 degrees what?

See, this is where the problems begin.

[–] [email protected] 5 points 1 week ago

heat to 80K....oh wait

[–] [email protected] 19 points 1 week ago

So you're saying I SHOULDN'T preheat my toaster oven to 425F???

UH-OH!!!

brb. Gotta put out some fires.

[–] [email protected] 14 points 1 week ago (1 children)

How is the boiling point of water relevant to something that's made of plastic and metal?

[–] [email protected] 20 points 1 week ago* (last edited 1 week ago) (2 children)

Well the electrolyte solution is water based so exceeding the boiling point will cause pressure buildup inside.

Edit: hmm seems I might be generalizing too much. Not all batteries use water based solutions. My point is that you should avoid a pressure buildup inside the battery due to reaching the solvents' boiling point.

[–] [email protected] 19 points 1 week ago

wha wha what

no, it's an organic solvent like ethylene carbonate/propylene carbonate + some other stuff, which have a boiling point of 230+°C ( 446°F)

heating up batteries is (mostly) fine (under controlled scenarios with known good batteries, spicy pillows can always happen with bad batches) as long as the plastic holding them together doesn't melt

you physically CANNOT make a lithium ion battery with water because lithium reacts with water

from the wikipedia page

Lithium reacts vigorously with water to form lithium hydroxide (LiOH) and hydrogen gas. Thus, a non-aqueous electrolyte is typically used, and a sealed container rigidly excludes moisture from the battery pack. The non-aqueous electrolyte is typically a mixture of organic carbonates such as ethylene carbonate and propylene carbonate containing complexes of lithium ions.[45] Ethylene carbonate is essential for making solid electrolyte interphase on the carbon anode,[46] but since it is solid at room temperature, a liquid solvent (such as propylene carbonate or diethyl carbonate) is added.

[–] [email protected] 10 points 1 week ago (1 children)
[–] [email protected] 6 points 1 week ago

Good point. It's highly concentrated inside a battery if not saturated. Hmm. I still wouldn't expose them to such high temperatures.

Perhaps a longer duration at lower temperature is safer. I might try it some day with some waste batteries and a battery tester.

[–] [email protected] 2 points 1 week ago

Thanks, climate change.

[–] [email protected] 6 points 1 week ago (1 children)

Reminds me of the old days of putting my LG G4 in the freezer

[–] [email protected] 2 points 1 week ago (1 children)

For me that was not so long ago. I still used an LG G4 as permanent car navigation until a year ago or so. I'm still surprised that one didn't end up bootlooping.

[–] [email protected] 5 points 1 week ago (1 children)

Why'd you put it in the freezer if it wasn't bootlooping? Just like cold phones?

[–] [email protected] 4 points 1 week ago

Well it was my 4th LG G4. Four times a charm I guess.

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