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UV-cured dielectric coatings to enhance EV battery insulation

The solvent-free UV technology revolutionizes the manufacturing process for batteries, setting new benchmarks in EV battery insulation and overall performance. 

Benefits of UV technology in battery applications

  • Energy Efficiency: Reduces energy consumption significantly compared to traditional coating processes, as it eliminates the drying step, thus requiring no energy for curing. 
  • Instant Drying: Speeds up the production process. UV curing uses ultraviolet light to cure coatings in a matter of seconds. 
  • Solvent-Free: UV technology is 100% solvent free. By eliminating the need for solvents, UV curing provides a safer and more sustainable alternative. 
  • Low VOC: UV curing reduces volatile organic compounds (VOC) emissions, which are chemicals released into the air during the curing process of traditional coatings. 
  • Ease of Application: Simplifies the manufacturing process with a more efficient and streamlined curing method. 
  • Scalability and Mass Production: Suitable for large-scale manufacturing and production targets. Its rapid curing times and energy efficiency make it ideal for mass production environments where speed and cost-effectiveness are crucial. The technology can be scaled to meet the demands of high-volume production. 

Overall, UV technology is a compelling choice for the manufacturing process of EV batteries, especially for cell insulation and cooling plate enabling significant improvements in energy efficiency, production speed, and battery performance.

Key properties of dielectric coatings for battery insulation

Sartomer® battery offering performance highlights

  • Dielectric properties: Optimal volume resistivity, dielectric breakdown strength, and dielectric withstand
  • Electrical insulation: Provides robust insulation for battery cells.
  • Flame retardancy: Enhances safety in EV batteries.
  • Adhesion and flexibility: Enhanced performance to ensure durable and flexible coatings.
  • Aging properties: Maintains performance over time.
  • Hydrophobicity: Resists moisture, enhancing durability.

Sartomer® dielectric coatings materials, spray-applied, offer high electrical insulation performance, with strong breakdown strength and volume resistivity. These solutions ensure the coating remains intact, providing long-lasting protection for battery cells.

Technical specifications of Sartomer® dielectric coatings for battery insulation

  • Volume Resistivity: ≥10^11 ohm-cm
  • Dielectric Breakdown Strength: ≥200 V/μm
  • Cure Speed: Instant (under UV light)
  • Operating Temperature Range: -40°C to 150°C

Sartomer® UV-curable oligomer resins, monomer resins, and photoinitiators are designed for battery cell applications, enabling coatings formulators to address the challenges of EV battery assembly. These materials offer excellent dielectric properties, adhesion, flexibility, and ease of assembly. The solvent-free, lower-energy intensive UV technology offers many sustainability advantages for dielectric battery cell coatings.

Sartomer® dielectric coatings materials, spray-applied, offer high electrical insulation performance, with strong breakdown strength and volume resistivity. These solutions ensure the coating remains intact, providing long-lasting protection for battery cells

UV battery coatings expertise and global support

Our global team of experts is highly knowledgeable in the specific application requirements and dielectric properties needed for battery cell applications. Equipped with state-of-the-art facilities, we measure and ensure top-tier dielectric performances for our materials. Our extensive experience in battery insulation and dielectric coatings guarantees that our solutions meet the highest industry standards.

CONTACT A UV DIELECTRIC COATINGS EXPERT

Sartomer® dielectric coatings offer for EV battery insulation

UV-Curable Liquid Resins and Additives

Sartomer® solutions provide a comprehensive range of UV-curable liquid resins and additives designed for dielectric coatings in EV batteries.

Our acrylate monomer and oligomer resins, along with photoinitiators, deliver optimal mechanical and dielectric performance, addressing the unique challenges of battery insulation. Explore our product offerings in your region with the link below. 

DOWNLOAD SARTOMER BATTERY BROCHURE

Arkema comprehensive solutions for battery cells

Unlocking the full potential of batteries

Arkema offers a broad range of materials, coatings and adhesives for both inside and outside the battery cell, designed to enhance efficiency, safety, and reliability.

Discover how our comprehensive solutions can support your battery manufacturing needs. 

DISCOVER ARKEMA'S BATTERY OFFER

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