Technology
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I’m unclear from the article: does blasting the battery with sound waves extend the battery’s life threefold, or does it make it last three times longer than a Li-Ion battery of similar power? And is the recycling the sonic blasting, or is the battery also able to be broken down and used to build new batteries?
I think this article does a better job at explaining. https://www.hackster.io/news/a-high-frequency-blast-of-sound-could-push-future-batteries-to-a-nine-year-lifespan-ease-recycling-944c15f50f9f
From what I understand with this new battery, it's both easier to disassemble the lithium part for recycling and additionally the rusting MXene film used can be de-rusted with sound waves. Therefore when performance drops it allows the "electrical and electrochemical performance to be recovered".