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world’s first anode-free sodium solid-state battery – a breakthrough in inexpensive, clean, fast-charging batteries (pme.uchicago.edu)

submitted 5 months ago by ooli to c/science

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[–] olafurp 4 points 5 months ago

I wouldn't call it a single advancement but hundreds. The materials might be largely the same but manufacturing is huge. When you roll up some metal to make a battery then increasing the number of layers is a huge challange when they're already tiny.