The young Aachen-based startup leitspalt develops next-generation battery systems. Over the coming twelve months, the company plans to approximately double its size.
leitspalt, founded by Jannik Bühring, Maximilian Schirp, and Jana Maria Weinand, is an Aachen startup that develops innovative battery systems for electric vehicles. The founders use an analogy comparing batteries to humans, explaining that both function optimally only within specific temperature ranges.
Modern battery cells generate significant heat due to high energy densities, and existing cooling solutions are either ineffective or prohibitively expensive. leitspalt has developed a multifunctional component that combines cooling, cell mounting, and packaging into one efficient system, offering high performance at low cost.
The company operates through two business models: first, they provide engineering and prototyping services for customers including OEMs and suppliers; second, they license their optimized designs for serial production. The startup originated from aerospace research at RWTH Aachen University, applying multifunctionality principles to battery design.
Their main challenge involves balancing investor expectations with the automotive industry's slow decision-making processes. By 2026, leitspalt plans to expand their team from 10 to 20 people, establish a pilot production line, and conduct comprehensive vehicle testing.
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