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Anthro Energy has begun construction of a plant in Louisville, Kentucky, to produce advanced polymer electrolytes, with a planned annual capacity of 12,000 tons—enough to support up to 25 gigawatt-hours of lithium-ion batteries. The company says the technology could reduce fire, swelling, and short-circuit risks while using existing battery-manufacturing equipment.
Startup Anthro Energy has begun building a plant in Louisville, Kentucky, to produce enough electrolytes for batteries powering more than 300,000 electric vehicles, with operations scheduled to begin in 2028. The plant aims to provide a U.S. source of materials free from restrictions associated with foreign entities of concern, while potentially supporting solid-state battery manufacturing.