Baysafe® BEF – Battery encapsulation foam
Introducing Baysafe® BEF: a Polyurethane (PU) foam for electric vehicle (EV) battery packs. It encapsulates cells, ensuring thermal and electrical insulation. Preventing thermal runaway, it enhances safety in electric vehicles, revolutionizing battery design with automotive-grade innovation. Baysafe® BEF offers unparalleled protection and performance for high-voltage batteries.
Baysafe® BEF, a key player in safeguarding EV battery packs, encapsulates cells with superior polyurethane foam, shielding against mechanical, electrical, and thermal risks. Its thermal and electrical barrier properties are crucial in preventing thermal runaway, offering unparalleled protection for high-voltage components. Specifically developed for a battery architecture with cylindrical cells, Baysafe® BEF has been chemically optimized ensuring superior adhesion between battery components to enhance the structural integrity by torsional stiffness and to facilitate force distribution across the pack. Baysafe® BEF’s advanced foam technology not only ensures reliable battery production but also maximizes space utilization, optimizing driving range in EVs. ’Its low viscosity and kinetics are fine-tuned to facilitate void-free filling during manufacturing, aligning with production cycle times. With a focus on battery innovation and efficiency, Baysafe® BEF stands as a cornerstone in advancing the safety, reliability, and performance of next-generation EV battery technology. Baysafe® BEF is an evolution in battery encapsulation and thermal management for electric vehicles.
With our extensive experience in battery technology, Covestro delivers comprehensive solutions tailored to the customer need. Explore Baysafe® BEF foam systems and join us in shaping the future of electromobility.
Technical data is available upon request.
Key Benefits
- More reliable electric vehicles Baysafe BEF® protects cells against mechanical, thermal and electrical loads
- Safer batteries Baysafe BEF® reduces the risk of cell malfunction and thermal runaway
- Mechanical integrity of the pack The outstanding adhesion of Baysafe BEF® improves the stress transfer and torsional stiffness
- Easy processing of batteries The low viscosity of Baysafe® BEF is tailored to fill slim gaps between the cells
