![]() ![]() ![]() “As electric vehicles continue to grow, the industry supply base is constantly offering new materials and technologies with different use cases and advantages depending on the application,” Zhao said. Navistar continuously evaluates different materials for use with battery enclosures. ![]() “The challenge is to remove the weight without compromising the vehicle’s durability and performance – all at an acceptable cost,” he said. Weight is always an important factor when selecting materials, said Zhao, especially because less weight equals more range, better acceleration, and more payload. Our goal is to balance these considerations while optimizing the design for that particular vehicle’s duty cycle.” “Safety, weight, durability, cost, dielectric separation, thermal performance, and manufacturability are all considerations when selecting battery-enclosure materials. “We currently use multiple materials in our battery enclosures – composites, stamped steel, and aluminum being the most common,” said Zilai Zhao, director of eMobility Engineering at Navistar. Navistar employs a mixed-material approach for its electric-truck battery enclosures. Engineers designed the side-impact protection of the batteries to distribute the forces along the structure, providing a lightweight structure with maximum safety, Voets said. Aluminum is the material of choice for Freightliner’s current generation of EV battery enclosures. “Weight is always a consideration in trucking, but safety is an even more important factor,” said Alex Voets, Freightliner eMobility sales and product strategy manager. However, we will not compromise the safety of our vehicles, so the protection of the occupants of the cab will always be our top priority.”įreightliner takes a similar approach with the design of its battery-pack enclosures for the eM2 and eCascadia trucks. “In the overall development of an electric Class 8 truck, lightweight components are utilized where feasible to maximize payload and to affect the load distribution on the axles. “These metals were chosen due to the technical requirements needed to support the batteries, durability demands, and to provide protection to cab occupants and vehicle components,” said Brett Pope, director of electric vehicles, Volvo Trucks North America. The protection plates and mounting arrangements are made from casted and steel materials. The Volvo VNR Electric features an all-metal cab construction, and the battery enclosure is made from stainless steel. Lightweight construction is very important, but durability and the ability to protect components and occupants in crashes and the event of a fire are paramount. The drop out design improves accessibility as it eliminates the need to access the battery through the cab of the truck. Manufacturers of battery-electric commercial trucks have similar requirements for their battery enclosures as do their passenger-vehicle counterparts. Returns of special orders are not accepted unless product is defective.As electric vehicles continue to grow, the industry supply base is constantly offering new materials and technologies with different use cases and advantages depending on the application.” Return policy is subject to change.Ĭancelation of special orders may be subject to loss of deposit. Returns without a receipt will only receive a store credit and may be subject to a restocking fee. refunded to credit/debit card used for purchase, if the original card is not available a store credit will be issued, cash for cash, if the purchase was made by check a refund will be issued after 14 days from the date of purchase). Refunds will be in same payment form as purchase (i.e.Shipping will not be refunded for returned products (unless shipped defective or incorrectly by fault of Berube’s Truck Accessories).Returns over 90 days will be at the discretion of Berube’s Truck Accessories and be subject to a 25% or more restocking fee.Returns 31 - 90 days from the date of purchase will be subject to a 20% restocking fee.Returns up to 30 days from the date of purchase will be eligible for a 100% refund or store credit.Returns of non-defective products must be in new resalable condition. Returns of defective products will receive replacement product in accordance to Manufacturer policy.
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