Modern electric vehicle (EV) battery packs are expanding in size to deliver the extended ranges and high energy densities required by the automotive market. To accommodate these sprawling architectures, advanced lamination technology natively supports large-scale battery assemblies measuring over 2 meters in length.
This represents a major shift away from conventional, bulky plastic carrier trays. Traditional plastic trays add undesirable weight, consume vital space within the module, and face strict manufacturing limitations when attempting to scale to large dimensions. In contrast, laminated alternative structures are exceptionally thin and lightweight.
To support everything from compact modules to expansive, advanced cell-to-pack (CTP) and cell-to-chassis (CTC) designs, flexible lamination processes handle a supported range of CCS sizes spanning from 100 mm all the way up to 2,500 mm. This ensures that engineers can configure continuous, uninterrupted interconnect pathways across the entire length of a modernized battery pack.
How is Reliability Maintained Across These Extended Lengths?
Maintaining unwavering structural integrity and electrical precision becomes increasingly difficult as a component stretches toward 2.5 meters. Fluctuations in temperature, vehicle tolerances, and automated assembly line dynamics require exceptionally strict manufacturing tolerances—such as maintaining cell terminal positional tolerances of ±0.2mm for assemblies between 1000mm and 2500mm long—to prevent defects or alignment errors on the production floor.
Achieving this consistency over such a massive physical footprint relies on a deliberate pairing of advanced materials and high-volume manufacturing capabilities. High-precision progressive stamping ensures the metallic current collectors have uniform thickness throughout the entire run. Simultaneously, automated lamination locks these pieces into place, counteracting mechanical stress, dampening road vibrations, and keeping cell contacts perfectly stabilized across years of heavy vehicle operation.
Can Large-Scale Laminated Systems Support Complex Signal Integration?
Yes, large-scale laminated systems seamlessly support complex signal integration. Low-voltage signals are added on one side of the lamination, thereby reducing the material used and resulting in a thinner overall solution.
For instance, ENNOVI’s Flexible Die-Cut Circuit (FDC) technology is integrated at one end of the lamination, completely eliminating the need for two layers of insulation material. This integration minimizes material usage and results in a thinner, lighter, and tougher solution for large battery modules.
Furthermore, these systems are highly capable of supporting high-capacity setups, accommodating a battery module capacity of 50–400A and a battery module voltage from 12V to over 800V depending on the vehicle application and pack design.
Why Extended Lamination is the Backbone of Next-Gen EVs
As CCS designs move from bulky plastic trays to using advanced lamination approaches, battery makers can reduce costs, create thinner CCS, and maintain close tolerances for accommodating larger battery packs.
Are you interested in optimizing your vehicle platform with long-format interconnects? Contact our technical team today to discover how our lamination capability and customized mechatronics expertise can streamline your cell-to-pack or cell-to-chassis strategy.