
alteva
Cologne, North Rhine-Westphalia, Germany
About
Alteva Technologies develops ultralight lithium-sulfur batteries with lithium-metal anodes for drones, aviation, robotics, satellites and other uses where weight matters.
Its cathode uses an engineered Carbon Cage carbon host to limit sulfur-related degradation, and it develops separators and electrolytes in-house and with partners. Its first-generation battery is available for testing. Alteva Technologies GmbH is based in Cologne, Germany, and draws on years of research supported by the German Aerospace Center, DLR. It sources materials only from friendly countries and plans a fully European supply chain.
Listed In
From the Battery Report
Battery Report 2025 · chapterCell Design and Materials: Lithium SulfurVolta Foundation's annual report on this part of the battery industry.Supply Chain Segments
Battery Chemistries
Lithium Sulfur✓
Location Info
- HQ
- Cologne, North Rhine-Westphalia, Germany
Europe (1)
- Office
- Paris, France
Sources
Chemistry: Lithium Sulfur
- Technology | Alteva · Company site · checked Oct 2026“Our lithium-sulfur batteries enable extreme energy density, long-lasting cycle life”
Quick Facts
- Founded
- 2023
- Team Size
- 1-10
- Funding
- Private
- Last Updated
- Oct 14, 2026




