Sepion Technologies Analysis: $19M Raised
What is Sepion Technologies?
Sepion Technologies designs advanced polymer-coated separators using nanoscience and machine learning to block harmful transition metals in lithium-ion and lithium-metal batteries. Their technology enables up to 5% greater volumetric energy density and reduces vehicle mass by up to 10kg. The company operates a 25,000 sq ft pilot facility in Alameda, CA with annualized capacity for 500,000m2 of coated separators and 1MWh of prototype cells. Sepion partners with automakers, cell manufacturers, and component suppliers to deliver safer, more efficient battery systems.
Location
Emeryville, United States
Employees
11-50
Founded
2015
Product Features & Capabilities
- Nanoscience-driven coated separators for lithium-ion and lithium-metal batteries
- Transition metal blocking technology
- Non-flammable electrolyte solutions
- Fast charge capabilities
- UN38.3 compliance for lithium-metal cells
- Embedded value and cost modeling tools
Use Cases
Block nickel, cobalt, manganese, copper, iron in lithium-ion batteries; Enable 5% greater volumetric energy density in EVs; Reduce vehicle mass by up to 10kg; Support fast charging in next-gen lithium-metal batteries; Achieve UN38.3 compliance for lithium-metal cells; Provide cost modeling and embedded value analysis for battery cell design
How much Sepion Technologies raised
Funding - $19M
Other Considerations
Operates 25,000 sq ft pilot facility in Alameda, CA; Maximum annualized capacity of 500,000m2 coated separators and 1MWh prototype cells; Partners with Solvay, 24M Technologies, DOE, ARPA-E, and Activate; Technology filters ions at atomic level to block harmful transition metals
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