Sepion Technologies

Energy Storage & BatteriesSeries BEmeryville, USsepiontechnologies.com

Latest round

Series B

Last raised

Mar 2026

Total raised

$29M

Investors

18

About Sepion Technologies

Sepion Technologies, Inc. develops advanced separator technology for lithium-ion and lithium-metal batteries, enhancing energy density while minimizing vehicle mass. The company focuses on solutions for electric vehicles, catering primarily to the North American and European markets. Founded in 2015, Sepion Technologies, Inc. is based in Emeryville, US, and specializes in innovative separator solutions for the battery industry. The company was founded by Brett Helms and Peter Frischmann, with Peter currently serving as CEO. In March 2026, Sepion Technologies, Inc. L. Gore & Associates, Syensqo Ventures, Catalus Capital, and Chailease International Financial Leasing Company Limited. Sepion Technologies specializes in advanced separator technology designed for lithium-ion and lithium-metal batteries. Their core products include proprietary coated separators that leverage nanoscience and polymer chemistry to enhance energy density and reduce vehicle mass. These separators are engineered to filter ions at the atomic level, allowing lithium ions to pass while blocking harmful transition metals such as nickel and cobalt. The company targets automakers and battery manufacturers in North America and Europe, addressing the growing demand for efficient and sustainable battery solutions in the electric vehicle sector. The revenue model of Sepion Technologies revolves around business-to-business transactions with automakers and battery producers seeking innovative separator solutions. The company engages in partnerships and collaborations to supply its coated separators, focusing on bulk orders and prototype cells. As Sepion scales production from its facility in Alameda, CA, it positions to capture more revenue opportunities across the automotive and battery manufacturing industries, with its products designed to improve performance metrics like reduced vehicle mass and enhanced energy density. Moving forward, Sepion Technologies plans to introduce new products tailored for the evolving electric vehicle market. The company is also exploring expansion into additional geographical regions beyond North America and Europe, aiming to penetrate emerging markets by 2025.-based polymer production, meet commercial orders, expand its product lines, and strengthen operations.

Who invested in Sepion Technologies

18 investors across 2 rounds

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Funding rounds

  1. Series B

    Mar 26, 2026

    Amount

    $10M

    Investors

    Locked

  2. Series A

    Oct 26, 2021

    Amount

    $19M

    Investors

    Locked

Questions about Sepion Technologies

Who invested in Sepion Technologies?

Sepion Technologies has 18 investors on record across 2 venture rounds. Sign up free to see every VC on the cap table and the rounds they joined.

How much funding has Sepion Technologies raised?

Sepion Technologies has raised 2 venture rounds. Sign up free to see how much each round raised and the total.

When did Sepion Technologies last raise money?

Sepion Technologies's most recent round on record is a Series B, in Mar 2026.

What does Sepion Technologies do?

Sepion Technologies is a energy storage & batteries company.

Where is Sepion Technologies headquartered?

Sepion Technologies is headquartered in Emeryville, US.

Which VCs invest in companies like Sepion Technologies?

Among active investors with capital left to deploy, Andreessen Horowitz, Founders Fund, Accel and Thrive Capital back energy storage & batteries companies at Sepion Technologies's stage. Their profiles are linked below.

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