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Samsung’s 20-year-life EV battery runs 600 miles on 9-minute charge
(interestingengineering.com)
This is a most excellent place for technology news and articles.
Are you talking about Matt Ferrel from Undecided?
Yeah....he doesn't know a lot about batteries, really. He's also doubled back after having some battery teardown reports shown to him and now says it doesn't seem likely yoshino is using a real solid state battery.
So no. It isn't likely "yoshino" gets to be the first to market with a real solid state battery in their product.