ISSUE 029 January/February 2025 Evice Rolls-Royce Corniche dossier l Battery cell manufacturing focus l Battery Show USA report l Dynisma DMG family digest l Isolation technologies insight l Modular batteries focus

44 it ideal for applications such as cooling plates and ribbons. “It is conformable to metal-forming processes and tear-resistant against burrs,” so it can be applied flat and then shaped or stretched without compromising its insulation integrity, he explains. In cooling-plate setups, the tape can be applied before the metal undergoes air-pressure moulding, which creates coolant channels. Despite significant deformation of the metal, the FT-0031 remains securely in place, stretching to accommodate the new shape without tearing – a feature Krusinski regards as a key differentiator from products that use less flexible polyester film. FT-0031 is designed to be easy to apply. Krusinski notes that it only requires about five PSI to stick and develops satisfactory initial adhesion, with maximum adhesion over 72 hours. Moreover, the tape can be removed and reapplied if rework is needed, making it ideal for iterative manufacturing environments. This reusability could also ease the recycling process at the battery’s end of life, he adds. Nordson unveiled its ProMeter S, an advanced adhesive and sealant dispensing system, designed to meet diverse industrial needs, including those of EV battery production. The system employs a “first-in, first-out” approach, ensuring efficient material flow, and preventing the build-up of old material in the nozzles and elsewhere. According to Nordson’s Jennifer Shupp the ProMeter S is a modular and low-maintenance solution designed for long-term reliability. “It can be used in the production of battery modules, casings, busbar connections and even thermal management of battery trays,” Shupp says. Nordson has conducted extensive trials to confirm its ability to handle various thermal interface materials. One of the system’s defining features is its positive rod-displacement technology, which uses a rod in a cylinder to precisely control the flow of material. “The length of the rod’s travel determines the dispensing volume, and the speed of travel correlates to flow rate,” Shupp explains, adding that this flexibility supports a range of dispensing patterns, including beads, patches and swirls. This capability reduces material waste and enhances adhesion. Durability is enhanced by Nordson’s proprietary Scoreguard coating on the rod, which resists scratching and pitting caused by abrasive additives, such as thermally conductive ceramics, says Shupp. This reduces wear and tear, prolonging the seal packing’s lifespan and lowering maintenance costs. The integrated servo actuator enables mid-stroke speed adjustments for the precise application of complex patterns, such as corners. The system also offers flexibility in mounting, either as a stationary pedestal unit or mobile robot-mounted, depending on whether the work moves under the dispenser or the dispenser moves over the work to form the bead. Nordson provides a wide range of interchangeable nozzles to cater to specific customer needs. “We can create triangular patterns, flat dispenses or other variations based on the application,” Shupp says. With chamber capacities from 35 cc to 300 cc, ProMeter S covers a wide range of applications. To pair with this metering system, the company offers Rhino pumps to extract material from the industry-standard 5 G pails and 55 G drums. All of this is managed via a PLC-based logic controller. All of Nordson’s solutions require standard industrial electricity and compressed air. HB Fuller showed EVBond 775, a reactive hot-melt adhesive (RHM), designed to enhance the assembly of battery packs in EVs. HB Fuller’s Marlen Valverde, highlighted its advanced capabilities in bonding mica shields to metal enclosures. EVBond 775 is a single-component, hot-applied polyurethane adhesive, formulated to meet stringent requirements for bonding mica shields, which is critical for fire protection and thermal insulation in battery systems. “It grips the mica to the metal enclosure very fast, with cycle times under 20 s,” while significantly exceeding the strength of traditional, pressure-sensitive adhesives (PSAs), Valverde notes. Historically, PSAs have been the industry standard, but their limitations – such as weaker bond strength and vulnerability to environmental factors – have led to cumbersome manufacturing processes. “PSAs often required additional design steps to compensate for Show report | Battery Show USA January/February 2025 | E-Mobility Engineering Nordson’s ProMeter S adhesive/sealant/TIM metering head (Image courtesy of Nordson)

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