

This tech needs years to reach practical terms.
here are some older examples:
2007: https://www.technologyreview.com/2007/01/22/226911/battery-breakthrough/
2009: https://research.ibm.com/publications/lithium-air-battery-promise-and-challenges
2012: https://www.technologyreview.com/2012/10/16/183258/a123-systems-files-for-bankruptcy/








while researching I found, that apparently we had a potential real recent breakthrough though, which is actually used in a car https://electrek.co/2026/02/05/first-sodium-ion-battery-ev-debuts-game-changer/