Yup, saw this in a documentary.  A bunch of tourists were stranded on a desert island, bit this professor had them re-energize them with some coconuts and bananas.

Just like the periodic news about a new study on a method that makes batteries last effectively forever, this is unlikely to be implemented.

This isn&#x27;t really a viable technology because it requires careful invasive chemical injection into risky cell chemistries. Generally, liquid electrolyte and plastic separator NMC, LFP, and LiPo should be banned for all but hobby uses when far safer solid state cells with ceramic separators exist such as those offered by ProLogium. NMC are extremely dangerous under deflagration, and LFP create huge amounts of colorless and odorless hydrogen gas that has already blown up many improperly engineered buildings that used them and assumed they were &quot;safe&quot;. Real solid state electrolyte chemistries tend to have much slower passivation growth than liquid chemistries.

HN

Regeneration of used batteries via electrode–electrolyte interphase dissolution

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