SOLiTHOR

SOLiTHOR, a 2021 imec spin-off in Sint-Truiden, Belgium, develops advanced solid-state lithium batteries using proprietary nano-SCE technology. Targeting aviation, urban air mobility, and aerospace, their batteries offer superior energy density, enhanced safety, and sustainable manufacturing for next-generation electromobility solutions.

Company Location

Country:

Belgium

City:

Sint-Truiden

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Company Overview

SOLiTHOR was established in 2021 as a spin-off from imec to develop and commercialize safe, clean, and environmentally responsible solid-state lithium battery technology. Based in Sint-Truiden, Belgium, the company emerged from imec’s research in nanoelectronics and digital technologies, focusing on electromobility applications in aviation, urban air mobility (UAM), and aerospace. Its mission is to advance next-generation solid-state lithium batteries that outperform traditional lithium-ion cells in performance, energy density, safety, and manufacturing efficiency while upholding environmental standards.

Battery Technology

SOLiTHOR’s core technology is an all-solid-state lithium battery based on proprietary nano-Solid Composite Electrolyte (nano-SCE) chemistry, which is neither sulfide, oxide, nor polymer-based. It delivers energy densities exceeding 384 Wh/kg and 1,026 Wh/l, offers enhanced safety by eliminating liquid electrolytes, shows over 80% capacity retention after 1000 cycles, and is manufactured using sustainable processes that minimize solvent use and CO2 emissions.

Products

All-solid-state lithium battery cells featuring nano-SCE electrolyte, energy density >384 Wh/kg and >1,026 Wh/l, enhanced safety against fire and thermal runaway, and over 80% capacity retention after 1000 cycles.

Recent Projects

In 2024, SOLiTHOR received a €1.8M Cellisafe grant from the Flemish government and appointed Rodrigo Navarro as CEO. The company partners with Sonaca to develop electric regional aircraft and urban air mobility solutions using its solid-state battery technology.

Investors

In 2022, SOLiTHOR raised a €10 million seed round led by imec.xpand, LRM (Limburgse Reconversie Maatschappij), Nuhma, and FPIM.

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