As a global provider of automotive adhesives, sealants, and functional coatings, Henkel Adhesive Technologies is dedicated to helping solve the challenges of OEMs and battery manufacturers to accelerate the transition toward zero-emission mobility.
Loctite TLB 9300 APSi is a two-component polyurethane thermally conductive adhesive that delivers a unique combination of electrical insulation with high bonding performance to a variety of substrates.
To this end, Henkel has extended its broad portfolio of solutions for EV battery systems with a first-of-its-kind injectable thermally conductive adhesive. The new adhesive, Loctite TLB 9300 APSi, provides structural bonding and thermal conductivity in the battery system. The breakthrough product has already been adopted by one of the world’s largest EV battery manufacturers.
Designed for applications — such as bonding battery cells to modules, or bonding cells directly to cooling systems — Loctite TLB 9300 APSi is a two-component polyurethane thermally conductive adhesive with a high thermal conductivity of 3 W/mK, moderate viscosity and self-levelling characteristics.
In addition to its heat-management properties, it delivers a unique combination of good electrical insulation with high bonding performance to a variety of substrates. As a solvent-free solution that cures at room temperature without the need for additional energy consumption, it helps customers advance their sustainability agenda by reducing emissions and resource use, while also ensuring safer working environments.
“Loctite TLB 9300 APSi is a testament to Henkel’s continued efforts to innovate new e-mobility solutions tailored to solve today’s battery manufacturing challenges and enable the next-generation designs of tomorrow,” said Holger Schuh, global senior manager Thermal Technologies at Henkel. “Its immediate adoption by a major battery manufacturer demonstrates our close partnership with key players in the e-mobility industry to help advance change.”
Loctite TLB 9300 APSi also demonstrates Henkel’s deep expertise and experience in the critical area of thermal interface materials for EV battery systems, which are vital to the enablement of safer and higher performing EVs. Due to its precise application, enhanced design flexibility and improved bond strength, the first-of-its-kind injectable thermally conductive adhesive offers the benefits of a simplified manufacturing process.
“Thermal management in EV batteries is still one of the biggest challenges for electrified mobility,” shared Stephan Hoefer, global market strategy Head for E-Mobility at Henkel. “New designs targeting higher energy densities in battery packs bring along the requirement for multifunctional thermally conductive adhesives instead of classical thermal gap fillers. Leveraging our strong innovation capabilities at Henkel, we have started to launch a family of materials varying in thermal conductivity, bonding strength, elasticity, and application methods to address those new requirements.”
Henkel provides more than 300 high-impact solutions for automotive OEMs and suppliers. Its automotive components department focuses on addressing challenges with high-impact solutions in the areas of e-mobility, automotive electronics, exterior, conventional powertrain, interior, chassis, surface treatment, and cleaners & lubricants. Its goal is to accelerate the transformation in the automotive industry by being a long-term partner to its customers with the broadest solution technology on the market.
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