About us

Headquartered in Berlin, Germany, theion GmbH is a pioneering high-tech start-up revolutionizing the mobile battery market. We specialize in the development and production of Crystal Batteries, addressing the world's most significant energy storage challenges across various sectors, from aerospace to consumer electronics. Our innovative approach utilizing sulfur in its crystal form promises to triple energy density while significantly reducing costs and environmental impact.

Your tasks

Your mission

We are seeking a highly skilled Irradiation Expert to join our innovative R&D team. This role focuses on photon/electron irradiation processes for advanced battery development, particularly within the scope of lithium-sulfur batteries. As part of our dynamic team, you will play a critical role in advancing theion’s cutting-edge lithium-sulfur battery technology, contributing to research, design, scalability, and commercialization efforts.

YOUR TASK

• Conduct research projects on irradiation-induced polymerization, electrolyte aging, and interfacial interactions in lithium-sulfur batteries.
• Design, implement, and optimize protocols for irradiation-induced processes, analyzing material responses, with a focus on applications in lithium-metal and lithium-sulfur battery technologies.
• Collaborate with interdisciplinary teams including materials scientists, chemists, electrochemists, and engineers to accelerate the development of theion’s lithium-sulfur battery technology.
• Document project progress, challenges, and outcomes through detailed technical reports and effective presentations for diverse audiences.
• Stay up to date with respect to industry trends and advancements in polymer chemistry, analytical chemistry, and energy storage systems to inform and enhance R&D efforts.
• Contribute to intellectual property (IP) development, generating innovative ideas within the field of expertise.
• Support the scaling and commercialization of theion’s proprietary photon-induced sulfur/chalcogenide pre-expansion technology in collaboration with cross-functional teams.

Your profile

The ideal candidate will have a strong background in irradiation-induced chemical interactions, with expertise in processes such as polymerization and/or the aging mechanisms of lithium-ion and lithium-metal batteries.

• Ph.D. in chemistry, polymer chemistry, analytical chemistry, or a related field.
• 2–5 years of experience working with photon/electron/gamma radiation.
• Deep understanding of photon/electron/gamma irradiation-triggered chemical reactions within organic systems, preferably polymers and organic electrolytes.
• Hands-on experience in material synthesis, characterization, electrochemical testing, and battery performance evaluation.
• Proficiency in characterization techniques such as Raman spectroscopy, XPS, TGA/DSC and more.
• Strong publication record in peer-reviewed journals and/or patents showcasing relevant expertise.
• Demonstrated ability to work effectively in a multidisciplinary and collaborative team environment.

Why us?

We offer complete flexibility in working hours to support your schedule, allowing you to balance your private life and work effectively. Joining our team provides you with the opportunity to gain practical experience in the dynamic field of battery technology within a collaborative and innovative work environment. You will be part of a forward-thinking company that values sustainability and cutting-edge technology. We prioritize your growth by providing access to state-of-the-art facilities and resources, enabling you to enhance your skills and knowledge.