Cell Design and Materials: Lithium Sulfur
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Sources and links on page 362 (6)
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- https://www.reuters.com/technology/german-sulfur-battery-startup-theion-raises-164-mln-scale-up-2025-03-20/
- https://www.prnewswire.com/news-releases/gelion-plc-announces-strategic-partnership-with-max-planck-institute-302413100.html
- https://lyten.com/2025/05/09/new-us-made-drone-battery-offers-over-3-hour-flight-time/
- https://www.businesswire.com/news/home/20250728219568/en/Lyten-Secures-More-than-%24200-Million-in-Investment-to-Support-its-Ongoing-Acquisition-Strategy
- https://gelion.com/news/full-collaboration-with-a-tier-one-battery-manufacturer/
- https://www.bestmag.co.uk/fraunhofer-iws-solid-state-li-s-battery-cells/#:~:text=03%20Nov%202025,operando%20analytics%20and%203D%20tomography.
Text on page 362
Lithium-Sulfur: Notable Events Americas
February
Theion closed a €15 million Series A to scale its crystal-sulfur battery program
Europe
July
Asia - Pacific
Lyten secured >$200 million additional equity (primarily existing investors), bringing total raised to >$625 million; company says proceeds support acquisitions/expansion for its Li-S business.
March
Gelion × Max Planck Institute (MPI) announced a strategic partnership to co-develop sulfur cathode active material (CAM) for Li-S (and Na-S), with tech transfer into Gelion’s development/ production flow.
October
Gelion × Tier-one battery maker: April 2025 materials-testing agreement upgraded to a multi-year collaboration to advance Gelion’s sulfur CAM toward commercial readiness.
May
Lyten announced a US-made drone battery and demoed a >3-hour flight on a 3D-printed UAV; targeting NDAA-compliant DoD supply from its California line.
November
Fraunhofer IWS (AnSiLiS) announced lithium–sulfur solid-state cell concepts with reduced electrolyte content and a scalable design, reporting early lab validation for lighter, higher-energy, safer batteries.
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