Solvay Introduces New Polymer for High-heat EV Battery Module Insulation

23-Mar-23

Xydar®LCP G-330 HH is a new liquid crystal polymer grade designed to increase passengers’ safety in the event of a battery thermal runaway
Alpharetta, Georgia, USA, March 23, 2023

Solvay, a global market leader in specialty materials, has announced the introduction of a new high-heat and flame retardant grade in the company’s Xydar® liquid crystal polymers (LCP) portfolio, which is designed to meet critical safety demands in EV battery components. The new Xydar® LCP G-330 HH material addresses challenging thermal and insulation requirements and is targeted particularly at battery module plates of EV models operating with higher voltage systems.

“As automakers are moving from 400V to 800V on next-generation electric vehicles, new regulations in Europe, China, the United States and other countries are increasing the demand on battery components to withstand temperatures from 300°C to 1000°C for an extended window of up to 15 minutes,” states Brian Baleno, Head of Marketing, Transportation at Solvay Materials. “Appropriate materials are expected to retain a level of electrical insulation protection that will provide sufficient time for passengers to exit the vehicle in a thermal runaway event. Our new Xydar® LCP grade combines this high safety potential with exceptional processability.”

Xydar® LCP G-330 HH is a glass-filled LCP for injection molding capable of retaining its electrical insulation upon exposure to 400°C for 30 minutes. Xydar® LCP is an inherently flame retardant polymer, without the use of halogen or bromine additives. In addition, it offers exceptional flowability and helps battery designersachieve thinner parts than possible with incumbent battery module insulation materials, such as polycarbonates or aerogels. It has been successfully tested with plates molded in typical dimensions of 100 x 150 x 0.5 mm.

Xydar® LCP has a proven fit in many electrical and electronic as well as coating applications. Besides automotive lighting components, sensors, solenoids and connectors, advanced examples in e-mobility include thin-wall slot liners used in the rotor design of an electric drive traction motor.

Xydar® LCP G-330 HH extends the portfolio of Solvay’s battery solutions, which also includes Solef® PVDF for binders and separators, Ryton® PPS for coolant line connectors and vents, and Amodel® PPA for connectors and busbars.

Amodel®, Ryton®, Solef® and Xydar® are registered trademarks of Solavy 

Source:- Solavy

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