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News Link • Science, Medicine and Technology

Breakthrough to safer solid state batteries with double the performance

•, by brian wang

Current lithium-ion batteries max out with a total energy density around 600 watt-hours per liter (Wh/L) at the cell level. In principal, solid-state batteries can reach 1,200 Wh/L.

U-M engineers created a ceramic layer that stabilizes the surface—keeping dendrites from forming and preventing fires. It allows batteries to harness the benefits of lithium metal—energy density and high-conductivity—without the dangers of fires or degradation over time.

It's not combustible. There is no liquid, which is what typically fuels battery fires.

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