Novelis is expanding its portfolio of coated aluminum solutions for battery applications with a breakthrough water-based coating technology that addresses critical manufacturing challenges. The company’s new approach targets battery enclosures, casings, and electrical connectors known as bus bars for electric vehicles and stationary energy storage systems.
The innovation combines automotive-grade aluminum sheet with advanced surface treatments designed to improve corrosion resistance while maintaining superior formability characteristics. Engineers can now tailor this coated aluminum to provide electrical insulation properties essential for specific battery applications without requiring additional processing steps. The water-based coating applies to aluminum coils before the stamping process begins, remaining effective throughout forming operations.
Milan Felberbaum, Director of Research and Development at Novelis Europe, explained the technical advantages:
Leveraging decades of automotive expertise, we have developed aluminum solutions that combine advanced surface technologies with high-performance sheet products for demanding battery applications. By integrating these capabilities, we help customers improve manufacturing efficiency while supporting battery performance and durability.
The coating addresses manufacturing complexity by potentially eliminating the need for external lubrication and additional e-coating processes traditionally required.
Battery components must withstand demanding manufacturing and operating conditions that challenge material performance continuously. Aluminum attracts manufacturers because it is lightweight, durable, and recyclable, though components typically require additional surface treatments for protection against corrosion. The pre-applied coating now handles both corrosion protection and electrical insulation requirements simultaneously, reducing overall manufacturing steps substantially.
Novelis emphasizes the environmental benefits through high-recycled-content, low-carbon aluminum that supports efforts to reduce battery supply chain environmental impact. Closed-loop recycling allows aluminum recovered from products to return directly to the manufacturing cycle, creating circular economy advantages. The coating technology has already proven its effectiveness on Novelis’s advanced coating line operating in Germany.
The announcement focuses less on changing battery chemistry and more on transforming the material and manufacturing process surrounding the battery itself. By combining aluminum’s lightweight properties with pre-applied coating, manufacturers can produce battery components more easily while meeting rigorous durability and insulation requirements consistently.
Pakistani EV manufacturers and battery assembly operations should evaluate this coating technology carefully for competitive advantage. Pakistan’s growing electric vehicle sector requires cost-effective manufacturing solutions that reduce operational complexity without sacrificing quality standards.
Adopting pre-coated aluminum solutions enables Pakistani companies to streamline production timelines while maintaining compliance with demanding international battery performance standards and regulatory requirements.

