Theion

theion GmbH develops lithium-sulfur battery cells based on a crystal sulfur cathode produced by a direct crystal imprinting process. The company presents its Crystal Battery for air mobility (its first addressed market), land mobility, stationary energy storage and aerospace applications.

The website describes theion as a team of scientists, engineers and entrepreneurs around founder Marek Slavik, with a CEO, CSO and CTO listed, and an advisory board that includes investors. The site describes a roadmap in three phases, with targeted performance figures for energy density and cycle life. It does not state how the company generates revenue.

The company is headquartered in Berlin (Gerhard-Sedlmayr-Strasse 31) and is presented in the news as a Berlin start-up. Its open positions listed are an unsolicited application and a part-time chemical lab assistant role in R&D in Berlin. The site mentions a Chinese-language version and the German-funded LiSSy research project.

Product: Lithium-sulfur battery cells with a crystal sulfur cathode for mobility, aerospace and stationary storage applications