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Sepion Technologies
Offering a platform suite of highly-tunable nanoscale membranes for multiple industrial markets including batteries, electrowinning, and water treatment
About Sepion Technologies
Sepion Technologies is a pioneering company in the energy storage sector, focusing on the development and commercialization of advanced lithium metal batteries. These batteries offer disruptive performance and economic advantages over traditional lithium-ion technology. Sepion serves clients in the renewable energy market, including electric vehicle manufacturers, grid storage providers, and other sectors requiring high-performance energy storage solutions. The company operates on a B2B (business-to-business) model, generating revenue through the sale of its proprietary battery technology and related services. Sepion's business model is built on leveraging cutting-edge nanoscience, polymer chemistry, and cell engineering to deliver products that meet the highest standards of data integrity and transparency. The company has recently closed its Series A round of financing, positioning itself for significant growth and expansion. Sepion is committed to sustainability, innovation, and fostering a collaborative work environment that values diversity and work-life balance.
Source: Dealroom company dataAt a glance
- Status
- Operational
- Founded
- 2015
- Headquarters
- Emeryville, United States
- Employees
- 23
- Open positions
- None listed
- Dealroom signal
- 70.6/100
- Industry
- Energy
- Sub-industry
- Clean Energy, Water
- Sector
- Energy, Membranes, Sustainable Development Goals, Advanced Materials, Climate Tech, Grid Technology, DT and LS, science-based
- Technology
- Hardware, Deep Tech
- Business model
- Manufacturing
- Client focus
- b2b
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| SERIES B✓Equity / VC | Mar 2026 | $10M | $80M | Syensqo Ventures · Catalus Capital · ACVC Ventures · Impact Science Ventures | ↗ |
| EARLY VC✓Equity / VC | Nov 2021 | $16M | $64M | Solvay · Fine Structure Ventures | ↗ |
Growth signals
Latest recorded traffic for Sepion Technologies is 170 monthly website visits, down 88.7% over the last three months. Sepion Technologies's team grew 9.5% over the past year.
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Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed1 investor entered at this stage
Creative Ventures
Series A9 investors entered at this stage
Fine Structure Ventures
Solvay
Syensqo Ventures
Catalus Capital
ACVC Ventures
Impact Science Ventures
Chailease International Leasing
W.L. Gore & Associates
VoLo Earth Ventures
Other known investors8 additional known investors
The Strauch Cleantech to Market Program
11.2 Capital
Alumni Ventures
Dolby Family Ventures
Meadow Ventures
Motus Ventures
New Energy Nexus
Small Business Innovation Research
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Sepion Technologies on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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