Lithium-ion (Li-ion) batteries, the power source of choice for the new generation of electric, hybrid, and plug-in hybrid vehicles, require cushioning, sealing and vibration isolation that must perform reliably under tough conditions.  Rogers’ suite of battery pad solutions is designed to provide designers with high-performance options that can withstand the stresses of fluctuating compression and temperature. PORON® Urethanes and BISCO® Silicones are designed to reliably hold a consistent force, keeping battery cells aligned, sealed from dust and fluid, and isolated from the damaging effects of vibration. Rogers ARLON Secure® silicone thermal transfer adhesives round out the battery material portfolio with a distinctive set of thermal, physical, and electrical properties for use as fasteners in power modules.

Battery Compression Pads and Cushions

Battery Pad cushions, or compression pads, used inside an EV pouch cell battery pack must be firm enough to hold components in place and compressible enough to withstand dimensional changes to the pouch cells over the life of the battery. Reliable compression set resistance (c-set) and stress relaxation performance over a broad range of temperatures and conditions is critical. PORON® battery pads and BISCO® Silicone foams have a unique ability to produce a very consistent level of force across a range of compressions. PORON pads and silicone battery compression pads enable the designer to predict the material’s behavior across varied dimensional tolerances.

Anti-Vibration Pads for Vibration Isolation

Batteries also need to be packaged to absorb internal impact energy. Vibration must be managed both within the pack and between the pack and the vehicle. PORON® polyurethanes and BISCO® silicone anti-vibration pads are proven solutions within the automotive industry, providing solutions as vibration dampeners and isolators. The C-set of these unique materials withstands collapse caused by the stresses of compression and temperature over time, extending the life of the battery by continuing to seal and absorb shock.

Battery Enclosure Sealing and Fastening

BISCO® silicone foams are the solution of choice for sealing and protecting battery enclosures protecting from potential damage from the elements and road debris. Gaskets fabricated from BISCO silicone material seal out water, dust, and debris while providing exceptional temperature and UV resistance. PORON® Urethanes are designed to reliably hold a consistent force, keeping battery cells aligned, sealed from dust and fluid, and isolated from the damaging effects of vibration.

For enclosure fastening, ARLON Secure® Silicone Thermal Transfer Adhesives have been developed specifically for thermal management applications where long-term reliability is a top concern.  The Secure Silicone Thermal Transfer Adhesive forms chemical bonds with the substrates with which it is in contact during cure, producing a robust adhesion that is resistant to heat, humidity, and shock. This eliminates the need for mechanical fasteners, simplifying the design and creating a long term reliable solution. Secure® adhesive films are composites of silicone polymer and functional additives formulated to deliver a unique set of thermal, physical, and electrical properties.

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