Ad Fontes: science news written with AI, sources checked, reviewed by humans.https://adfontes-science.com/enhttps://adfontes-science.com/en/articles/batteries-solides/https://adfontes-science.com/en/articles/batteries-solides/Replacing the liquid in batteries with a solid promises safer, denser batteries. In 2026, two teams attack the problem from two different ends: strengthening the existing solid, or inventing a new one.Sun, 25 Oct 2026 00:00:00 GMTEnergySolid-state batteries