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First Semisolid Lithium Batteries to Debut This Year, in Drones

SolidEnergy Systems will start with drones and aims to have its lithium batteries in electric vehicles after 2021

4 min read
Photo: SolidEnergy Systems
Ready-Made: SolidEnergy says its new batteries can be manufactured with existing equipment.
Photo: SolidEnergy Systems

Lithium-ion batteries boast a powerful blend of energy capacity and long cycle life. But they have a dangerous tendency to burst into flames, leading to injuries, product recalls, and flight bans.

Researchers have touted solid-state lithium batteries as a safer alternative. These devices swap out flammable liquid electrolytes for an inert solid such as plastic or ceramic. But researchers have pursued solid-state battery technology for decades without coming up with any products.

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Greg Mably


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