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Re:A long-lasting, stable solid-state lithium battery by Animats on Monday May 17, 2021 @07:19PM (#27189547)
All the standard comments about battery breakthrough articles apply.

Yes. 1) It's in Nature, which used to have a good reputation but has published flaky battery articles, 2) the abstract doesn't indicate that they built a usable battery, only that they designed one, and 3) the phrase "up to" is used on performance numbers.

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