Key Findings
Fraunhofer IFAM, a leading German research institution, is at the forefront of innovating adhesive bonding and sealing technologies, with a strong emphasis on applications for electromobility. Their current research specifically targets the development of thermally or electrically conductive bonded joints within battery modules, aiming to enhance the efficiency and safety of electric powertrains. This work is critical for supporting the rapid advancement and adoption of electric vehicles in the automotive industry.
Technical / Clinical Details
Fraunhofer IFAM’s comprehensive research agenda addresses several key aspects of adhesive technology and manufacturing processes:
- Electromobility Adhesives: Development of advanced conductive adhesives for battery modules ensures efficient thermal management and reliable electrical connections, crucial for improving battery lifespan and safety.
- Hybrid Joining Processes: Investigating combinations of adhesive bonding with other joining techniques (e.g., welding) to enhance the strength and reliability of dissimilar material joints, a common challenge in lightweight construction.
- Accelerated Curing: Research into rapid curing methods, including thermal excitation and novel dual-cure adhesives, aims to significantly reduce manufacturing cycle times and boost production efficiency.
- Adhesive Aging Behavior: Comprehensive studies on the long-term degradation mechanisms of adhesives under various environmental conditions are critical for ensuring the durability and reliability of bonded structures.
- Dispensing Process Optimization: Analyzing the flow behavior of adhesives to refine industrial dispensing, application, and squeezing processes, thereby improving precision and throughput.
- Screen Printing for Fuel Cells: Pioneering the use of screen printing as an innovative method for high-precision sealant application in fuel cell manufacturing, which can lead to enhanced performance and longevity of fuel cell stacks.
Background & Context
The transition to electromobility necessitates high-performance and reliable battery systems and fuel cells. These components demand sophisticated adhesive and sealant solutions that address challenges such as lightweighting, thermal management, electrical insulation or conductivity, and long-term durability. Fraunhofer IFAM’s research directly contributes to overcoming these engineering hurdles, enabling the realization of next-generation mobility solutions.
Strategic Significance & Outlook
The research and development efforts at Fraunhofer IFAM are poised to significantly broaden the scope of adhesive and sealant applications in electromobility and energy conversion technologies. Particularly, advancements in battery module safety and performance, alongside cost-effective, high-precision manufacturing processes for fuel cells, will accelerate the global shift towards sustainable energy solutions. These technologies are expected to be widely adopted in industry, leading to substantial improvements in the performance and reliability of related products and driving innovation across the sector.
Source: https://www.ifam.fraunhofer.de/en/Competencies/Adhesive_Bonding.html
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