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Samsung’s 20-year-life EV battery runs 600 miles on 9-minute charge (interestingengineering.com)

submitted 3 months ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 3 months ago* (last edited 3 months ago) (1 children)

There's no reason to think that will last. The kwh/kg of batteries improves by 5-8% per year, and we've been in the higher end of that range the last few years. Meanwhile, EVs are about 30% heavier. It will take a few years of improvement to make up that gap, but there's every reason to expect this trend to continue.

Also, it takes a few years for new batteries to find their way into existing models. 1.08^4 = 1.36, which means improvements in batteries since 2020 could have made up this gap already.

[–] [email protected] 1 points 3 months ago

Yes, sure, batteries are evolving and there are solid state batteries on horizon, though probably very expensive initially. There is also a concept of getting energy wirelessly from road, which could further reduce battery sizes. I'm sure the future is bright.