Dispensing Solutions in E-Mobility
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DISPENSING SOLUTIONS IN E-MOBILITY Automated, innovative and reliable processes: Technology for an electrified, mobile future

TECHNOLOGY – OUR AIM IS TO ACHIEVE MAXIMUM PRECISION ViscoTec stands for reliable handling of low to high viscosity, abrasive, pressure and structure sensitive, shear sensitive and solid-containing fluids. It is possible to dispense with a high degree of liability, regardless of viscosity. Systems are always designed to customer specification. APPLICATION WITH A HIGH DEGREE OF PROCESS RELIABILITY of low to high viscosity, abrasive, pressure and structure-sensitive, highly filled or sensitive to shear fluids – for dispensing, regardless of viscosity. PERMANENT INNOVATION according to our...

OVERVIEW OF APPLICATIONS IN E-MOBILITY The current change in the automotive industry is now shaped by innovative battery technologies, electric engines, sophisticated sensors, full connectivity, artificial intelligence and their networking with each other. Optimized processes and challenging materials present the dispensing technology with considerable, but solvable challenges. Specific characteristics of the materials must be preserved, unaffected by the dispensing process. Even with large amounts of fillers. The focus is on fast and uncomplicated processing of the materials, combined with...

SLURRY DISPENSING In electrode production, the high precision application of the active material, the so-called „slurry“, is a key process. This process plays a decisive role in the performance and quality of the resulting batteries: The dispensing of the chemically active substances essentially determines the energy storage capacity and charging capability. Slurry is a mixture of various additives and a binder. The finished mixed active material is dispensed as a thin paste onto the current collectors. ViscoTec dispensing systems are perfectly suited for this material. They guarantee an...

HEAT MANAGEMENT The heart of an electric vehicle is the high-voltage battery. Heat influences in particular can impair the performance and safety of the HV battery and the connected components. In order for electronics and energy storage systems to operate at a high level of efficiency in the long term, reliable heat management is necessary. So-called gap fillers or thermal interface materials (TIM) with typically loaded filler content ensure heat dissipation, for example between battery modules or cells and housings. The application in liquid form ensures optimum wetting and therefore...

BATTERY MODULE & BATTERY PACK ASSEMBLY In the assembly of battery modules and battery packs an extremely reliable application of one or two component materials is required. To generate the necessary power, individual cells are joined together to form a module and then connected electrically in either a series or parallel: One process step for round cells is the application of one or two component adhesive onto the cell holder. Prismatic cells, on the other hand, are stacked and can be glued together or fixed onto component carriers. The adhesive serves – in case of a defect – as both...

RESIN IMPREGNATION In addition to battery production, the production of electric motors and generators also plays a major role in e-mobility manufacturing. ViscoTec offers efficient and precise dispensing solutions for the resin impregnation of rotors and stators using the trickle process. During the resin impregnation of rotors and stators, resin is dispensed into wire windings. This process increases the durability and improves the performance of electrical rotating machines. Mechanical resistance is increased, and noise-generating vibrations are minimized. In addition, thermal coupling is...

MAGNET BONDING In the production of electric motors, the use of automated dispensing technology is becoming increasingly important. Especially the mechanical fixing of magnets is a big challenge in connection with the automation of this process. Especially as the process incurs high costs. The bonding of magnets in sheet metal packs offers numerous advantages: ▪ Prevention of noise caused by vibration (without mechanical fasteners) ▪ Contact corrosion is avoided ▪ Increased strength ▪ Fast processing One or two component acrylic or epoxy adhesives are commonly used. Primers can be used to...

Volumetric dispensing systems have already proven to be a reliable, cost-effective, flexible and suitable sealing technology in a wide range of applications. Also, in the housing seals of battery management systems for e-mobility, bonding and sealing applications are state of the art. Moisture within the battery system, for example, can significantly reduce performance or even cause damage through corrosion. This can be counteracted with a high-quality sealing bead. ViscoTec has decades of experience in the field of s ealing applications in the most diverse industries. Fully automated...

SPECIAL SOLUTIONS FOR E-MOBILITY CERAMIC ROTOR A further development of the proven stainless steel rotor from ViscoTec: For the process-reliable dispensing of abrasive fluids such as thermally conductive one and two component gap fillers, one component thermal conductive pastes or heavily loaded two component adhesives. Perfect for the high standards in many manufacturing processes: Highly reactive materials such as sulfuric acids, anaerobic curing acrylates and metal-sensitive electrolytes, which require special treatment in battery production, can be perfectly dispensed with the ViscoTec...

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