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Sepion Technologies, a leader in battery materials innovation, is building a cutting-edge lithium-ion battery separator manufacturing facility in West Sacramento, California. The project is backed by a $17.5 million grant from CALSTART and the California Energy Commission. The facility will address key supply chain gaps and bolster the domestic battery workforce.
Key Highlights:
- Sepion Technologies secures $17.5 million in funding to build a new battery separator manufacturing facility.
- The facility will produce 50 tons of proprietary polymer and 50 million square meters of coated separator annually, enough to power 50,000 electric vehicles.
- Sepion’s separator coatings are engineered to improve the durability of low-cost, manganese-rich cathodes and enhance performance.
- The facility is located in the Capitol Innovation District of West Sacramento and is slated to begin production in 2027.
Sepion Technologies’ new facility will help bridge the domestic supply gap for battery separators. A recent McKinsey & Company report projects a 54% deficit in domestic battery separator supply by 2030. Sepion’s new facility will help to alleviate this shortage.
“We are excited to launch this transformative project to address the domestic battery separator supply gap with the support of the CEC and CALSTART,” said Peter Frischmann, CEO and Co-Founder of Sepion. “With this facility, we’re advancing the clean energy transition, creating jobs to solidifying California’s position as a leader in sustainable manufacturing, and showcasing how American battery innovation can scale from lab to factory.”
The new facility will be located in the Capitol Innovation District of West Sacramento. Sepion chose this location because of its proximity to the Port of West Sacramento and the Bridge District, an emerging neighborhood with housing and a vibrant lifestyle. The facility is slated to begin production in 2027.
Sepion is also partnering with local organizations to train a local high-tech workforce. This will ensure safe, efficient operations and benefits to the local community.
This announcement follows a series of significant milestones for Sepion, including the company’s UN/DOT 38.3 safety certification, the introduction of a non-flammable electrolyte, and the opening of its pilot facility in Alameda, CA. The West Sacramento facility represents a major step toward closing the domestic battery separator supply gap, while supporting the broader goals of reducing greenhouse gas emissions, improving air quality, and promoting zero-emission vehicle adoption. Sources and related content
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