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Researchers develop lithium-sulfur battery that can be cut, folded - Energy Storage (www.ess-news.com)

submitted 1 month ago by schizoidman@lemm.ee to c/technology@lemmy.world

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cross-posted from: https://lemm.ee/post/42738519

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[–] 0x0@programming.dev 17 points 1 month ago (2 children)

After 300 cycles, a lithium carbide iron disulfide pouch cell retained 72.0% capacity

Put that on a phone and the battery will degrade almost 30% in one year... seems a lot tbh.

[–] scarabic@lemmy.world 13 points 1 month ago* (last edited 1 month ago)

As a point of reference, Google says that somewhere between 500-2000 cycles you can expect a regular lithium battery to degrade to 80%. So this is worse, but in the ballpark. Seems reasonable for a research prototype to be a little worse than a commercial product that’s had years to become highly optimized.

[–] OmgItBurns@discuss.online 8 points 1 month ago

But depending on cost, in my hopeful optimistic universe, that could mean bringing back replaceable batteries.