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Sepion Technologies
Energy · Oakland, United States · Founded 2015
Offering a platform suite of highly-tunable nanoscale membranes for multiple industrial markets including batteries, electrowinning, and water treatment MoreLess
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. Keywords: lithium metal batteries, energy storage, renewable energy, electric vehicles, nanoscience, polymer chemistry, cell engineering, sustainability, B2B, Series A financing.
Company overview
Sepion Technologies company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2015
- Headquarters
- Oakland, United States
- Employees
- 23
- Open positions
- None listed
- Dealroom signal
- 70.6
Valuation & funding
Sepion Technologies 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 | ↗ |
| EARLY VC✓Equity / VC | Nov 2018 | $0 | — | Creative Ventures | — |
| SEED✓Equity / VC | Sep 2018 | — | — | Creative Ventures | — |
| SUPPORT PROGRAM✓Other financing | Aug 2016 | $0 | — | The Strauch Cleantech to Market Program | ↗ |
Financials
Workforce over time
Available workforce history. Financial fields without reported data are omitted.
| Year | Employees |
|---|---|
| 2026 | 24 |
| 2025 | 21 |
| 2024 | 25 |
| 2023 | 33 |
| 2022 | 29 |
Growth signals
Sepion Technologies website traffic
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.
Comparisons
Sepion Technologies compared with similar companies
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Talent graph
Sepion Technologies's talent
Source: Dealroom Talent Intelligence.
Global footprint
Where Sepion Technologies has talent and traffic
team presence
In the news
Latest news about Sepion Technologies
Recent press, funding announcements, and product moves mentioning Sepion Technologies — open to read from the original sources.
Market sentiment
What the market is saying about Sepion Technologies
An AI-synthesized read of the highest-engagement posts about Sepion Technologies on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
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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