Views: 0 Author: Site Editor Publish Time: 2024-12-04 Origin: Site
As the rapid development of new energy vehicles (NEVs) continues, the safety and performance management of electric vehicle (EV) batteries have become increasingly critical. Among these, thermal management plays a crucial role. Selecting the right materials for battery thermal management not only provides insulation and flame retardancy but also extends battery life and enhances overall safety.
EV battery packs generate significant heat during charging and discharging, which can accelerate battery aging and potentially trigger thermal runaway. An efficient thermal management system is essential for ensuring battery longevity and safety. Foam materials, known for their lightweight, flexibility, insulating, and flame-retardant properties, are ideal solutions for thermal management in EV batteries. Our range of polyolefin foam, microcellular polyurethane foam, and silicone foam offers diverse characteristics to meet the varying needs of thermal management.
Polyolefin foam is made from polyethylene or polypropylene base materials, which are radiation-crosslinked into a network structure and then thermally foamed to form an independent closed-cell structure. This material is ideal for thermal management in battery modules, baseplates, and enclosures.
Product Features:
Thermal Insulation: The independent closed-cell structure effectively blocks heat transfer, enhancing battery pack safety by preventing heat from spreading to other components.
Waterproof Sealing: Its closed-cell structure also offers excellent waterproofing, protecting the battery pack from moisture and liquid ingress, thereby extending battery life.
Eco-Friendly: Non-toxic, odorless, and free of harmful substances, meeting RoHS standards.
Typical Applications:
Thermal insulation for battery modules
Cushioning and insulation for liquid-cooled plates and baseplates
Thermal insulation for battery pack enclosures
Microcellular polyurethane foam features a semi-closed-cell structure, offering superior compressive resilience and flame retardancy. It is ideal for buffering and insulating battery components.
Product Features:
High and Low-Temperature Resistance: Maintains stable physical properties under extreme temperatures, making it suitable for EV battery conditions.
Excellent Cushioning Protection: Provides resistance to compression deformation, effectively shielding battery modules from vibration or impact.
Typical Applications:
Perimeter buffering and insulation of battery modules
Liquid-cooled plate supports
Silicone foam is created by combining organosilicone resin with a flame-retardant system and undergoing a self-dehydrogenation foaming process. With its high elasticity and low compression set, silicone foam plays a critical role in fireproof insulation for EV batteries.
Product Features:
Exceptional Flame Retardancy: Complies with UL94-V0 standards, offering effective fireproof insulation during thermal runaway events.
Low Compression Set: High elasticity ensures long-term resilience, making it ideal for stringent sealing requirements.
Aging Resistance: Resistant to high and low temperatures, UV exposure, and chemical corrosion, ensuring stable performance over extended use.
Typical Applications:
Battery pack enclosure sealing
Soft pouch cell buffering and insulation
Prismatic cell insulation and flame retardancy
Ceramifiable silicone materials use advanced ceramification technology to form a hard insulation layer upon high-temperature sintering. These materials offer exceptional flame retardancy and insulation properties, playing a key role in thermal runaway protection for EV battery modules.
Product Features:
Superior Flame Retardancy: Meets UL94-V0 standards and ceramifies rapidly under high temperatures or flames, halting the spread of fire.
High-Temperature Insulation: Withstands 1300°C flame exposure for 30 minutes without penetration, ensuring thermal safety in extreme conditions.
Low Compression Set: Maintains elasticity and stability even after prolonged use.
Environmental Durability: Resistant to high and low temperatures, chemical corrosion, and aging, making it ideal for complex environments.
Typical Applications:
Fire and thermal insulation between modules and cells
Insulation protection in liquid-cooled systems
Internal and external battery pack thermal protection
EV battery thermal management requires more than just insulation. It also demands flame-retardant protection during thermal runaway events. XYfoams’ foam materials address these multifaceted safety requirements:
Flame Retardancy: Polyolefin, microcellular polyurethane, and silicone foams provide excellent flame-retardant properties, effectively isolating fire sources and preventing flame spread to safeguard battery packs.
Environmental Friendliness: Our foams comply with RoHS and other environmental standards, offering sustainable and green thermal management solutions.
Durability and Resilience: These materials maintain their physical properties under prolonged exposure to high temperatures and vibrations, ensuring reliable thermal management over time.
As the EV market continues to grow, battery thermal management technology is evolving rapidly. XYfoams remains committed to material innovation and performance enhancement, delivering high-performance foam products to meet the growing demands for safety in the EV industry. Our focus on flame retardancy and thermal insulation will continue to drive advancements in the thermal management of EV batteries. Moving forward, XYfoams plans to expand internationally, offering premium foam solutions to support the global growth of the EV industry.
The thermal management system of EV batteries is critical for vehicle performance and safety. Foam materials offer an efficient solution for both insulation and flame retardancy. XYfoams' polyolefin foam, microcellular polyurethane foam, silicone foam, and thermal runaway protection materials demonstrate exceptional performance in battery thermal management, ensuring comprehensive protection. With a strong commitment to innovation and quality, XYfoams is dedicated to contributing to the safety and sustainability of new energy vehicles.
