SMRTR Science & EngineeringJul 13, 2026Interesting Engineering

Scientists watch lithium move inside solid-state batteries for the first time

SMRTR summary

Scientists used neutron-based mapping to watch lithium move inside a solid-state battery for the first time, revealing that lithium flows unevenly, splitting into two competing phases. Raising the temperature to 100°C eliminated this chaotic behavior, pointing toward thermal management as a key solution for building better, safer EV batteries.

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