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Core Viewpoint - The rapid development of the electric vehicle market has made the performance and safety of power batteries a core focus, with thermal management materials like thermal adhesives playing a crucial role in battery efficiency and safety [2]. Group 1: Core Applications of Thermal Adhesives in Power Batteries - Thermal adhesives optimize heat transfer between battery cells and modules, preventing localized overheating during charge and discharge cycles [3]. - In battery packs, thermal adhesives connect modules to cooling systems, ensuring effective heat management under varying environmental conditions [4]. - Thermal adhesives fill gaps between battery cells and heat dissipation structures, reducing thermal resistance and improving heat transfer efficiency [5]. - Proper application of thermal adhesives can maintain uniform temperature across different battery cells, preventing overheating issues [5]. - Some thermal adhesives also provide bonding functions, securing battery cells and mitigating the impact of vibrations during vehicle operation [5]. Group 2: Technical Requirements for Thermal Adhesives in Power Batteries - The thermal conductivity of thermal adhesives is typically required to be between 1.5 to 5.0 W/m·K, balancing cost and performance based on specific applications [6]. - Good viscosity and application properties are essential for automated production lines, preventing issues like sagging and ensuring proper curing [6]. - Thermal adhesives can be cured through heat or at room temperature, with heat curing being more suitable for mass production [6]. - Long-term stability is crucial, as thermal adhesives must maintain performance under extreme temperature cycles without cracking or degrading [6]. - Electrical insulation properties are necessary, with a volume resistivity greater than 10¹² Ω·cm to prevent leakage risks and ensure safe battery operation [6][9]. Group 3: International Companies in the Thermal Adhesive Market - 3M, established in China in 1984, has developed a strong presence with multiple production bases and a focus on diverse technological solutions [8][10]. - Henkel, a global leader in adhesive technology, offers a wide range of thermal adhesive solutions for electric vehicles [11][13]. - Honeywell has a long history in China and provides innovative thermal management solutions for various industries [15]. Group 4: Domestic Companies in the Thermal Adhesive Market - Dow Chemical offers flexible thermal interface solutions that enhance battery safety and efficiency [25][26]. - DuPont has established a significant presence in China, focusing on innovative solutions for battery durability and safety [28][30]. - Wacker Chemie provides high-performance silicone products that optimize thermal management in electric vehicles [32][34]. - Sika, a Swiss company, offers comprehensive solutions to reduce vehicle weight and improve efficiency [35][37]. - Yantai Debang Technology specializes in functional materials for thermal management and has a strong market presence [41]. - WanHua Chemical operates globally, providing competitive products and solutions across various industries [45]. - Chengdu Silica Treasure Technology focuses on high-end silicone materials and has a significant production capacity [47][49]. - Huizhou Huayuan Technology is known for its innovative adhesive solutions in the new materials sector [50][52].