Remember solid–state batteries (SSBs)?
Back in 2020 and ‘21, they were talked about everywhere. They quickly became the centerpiece of the EV hype cycle, touted as the ultimate energy storage solution.
And then… EV stocks crashed. Enthusiasm cooled. Tesla started talking more about humanoid robots than cars. And solid-state batteries quietly vanished from headlines.
But they never really went away.
Instead, they got better. And now, in 2025, there’s a very real argument to be made that solid-state batteries are about to become more important than ever…
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