overview of the development center and laboratory at BM-Rosendahl

from lab to launch

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busbar welding unit for lithium-ion batteries

our services from material testing over process development to prototyping

In today’s fast-evolving energy landscape, one size rarely fits all. That’s why flexibility and innovation are at the core of our development center, a space designed to bring customized battery module solutions to life.

Whether it is cell preparation and stacking, cell handling, or advanced joining techniques such as resistance spot welding and laser welding, every process is carefully developed, analyzed, and optimized.

Backed by state-of-the-art equipment and a team of experienced professionals, we provide expert support tailored to every challenge helping partners achieve both shortterm goals and long-term innovation.

realistic processes,
real results

Innovation thrives when tested under real-world conditions. Our secure laboratory enables welding directly on live battery cells, offering an unmatched advantage for realistic process development and reliable validation.

From process design and in-depth analysis to prototyping and small-scale production, the technical center brings every stage of battery module development under one roof. Direct access to advanced testing methods – including mechanical,
electrical, and metallographic analysis – ensures seamless, efficient project execution.

laboratory services on lithium-ion battery production

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Rosendahl Nextrom is a global leader in battery, cable & wire and optical fiber production technologies whose goal is to connect your needs with our technology. Quality, customization, product know-how and close cooperation with our partners are our core values.
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