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Sodium-ion batteries aren't new, but they've only started to gain traction in recent years. Compared to their lithium counterparts, the materials used in sodium batteries are far more abundant (up to 1,000 more plentiful) and affordable. They are also much safer than lithium-ion batteries, and can be discharged to 0VRead Entire Article
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How to build a thermal battery
This article is from The Spark, MIT Technology Review’s weekly climate newsletter. To receive it in your inbox every Wednesday, sign up here. The votes have been tallied, and the results are in. The winner of the 11th Breakthrough Technology, 2024 edition, is drumroll please thermal batteries! While the editors of MIT Technology…