High-Thermal-Conductivity Gap-Fill Adhesives For EV Battery Cooling Plates Market Global Report 2026

The high-thermal-conductivity gap-fill adhesives for EV battery cooling plates market size has grown rapidly in recent years. It will grow from $0.39 billion in 2025 to $0.44 billion in 2026 at a compound annual growth rate (CAGR) of 12.3%. The growth in the historic period can be attributed to limited ev adoption and early-stage battery thermal challenges, reliance on conventional thermal pads and silicone greases, low energy density battery systems reducing heat loads, dominance of air-cooled and basic liquid cooling systems, limited fast charging infrastructure deployment.

The high-thermal-conductivity gap-fill adhesives for EV battery cooling plates market size is expected to see rapid growth in the next few years. It will grow to $0.71 billion in 2030 at a compound annual growth rate (CAGR) of 12.6%. The growth in the forecast period can be attributed to expansion of ultra-fast charging networks increasing thermal stress, rising adoption of high-energy-density battery chemistries, stricter global battery safety and thermal regulation standards, growth in cell-to-pack and structural battery designs, increasing demand for extended ev range and performance efficiency. Major trends in the forecast period include high thermal conductivity (>6 w/mk) gap-fill adhesive development for ultra-fast heat dissipation in ev battery packs, advancement of ultra-thin bond line thermal interface materials for cell-to-pack architectures, growing demand for fast-charging compatible thermal adhesives with high thermal stability, increasing use of lightweight thermal interface materials to enhance electric vehicle driving range, development of recyclable and reworkable thermal gap fillers for sustainable battery lifecycle management.

The growing demand for electric vehicles is expected to drive the growth of the high-thermal-conductivity gap-fill adhesives for EV battery cooling plates market going forward. Electric vehicles are automobiles powered by one or more electric motors using rechargeable battery packs as their primary propulsion source, producing zero direct tailpipe emissions. Demand for electric vehicles is increasing due to rising consumer preference for zero-emission transportation, supported by greater environmental awareness and favorable government policies such as purchase incentives, emission regulations, and infrastructure investments that make EV ownership more accessible and appealing. High-thermal-conductivity gap-fill adhesives support this demand by delivering precise thermal interface management required in EV battery cooling plates to maintain optimal battery temperatures, thereby extending battery life, enhancing driving range, and ensuring the safety standards expected by consumers and regulators. For instance, in April 2025, according to the International Energy Agency (IEA), a France-based intergovernmental energy organization, global electric car sales surpassed 17 million units in 2024, accounting for more than 20% of all new cars sold worldwide for the first time, while sales in the first quarter of 2025 increased by 35% year-on-year, with global EV sales projected to exceed 20 million units in 2025 and represent more than one in four cars sold globally. Therefore, the growing demand for electric vehicles is driving the growth of the high-thermal-conductivity gap-fill adhesives for EV battery cooling plates market.

Leading companies operating in the high-thermal-conductivity gap-fill adhesives for EV battery cooling plates market are focusing on developing advanced solutions, such as two-component (2K) silicone-based thermally conductive gap-fill systems, to enhance heat dissipation efficiency, improve processability and automated dispensing, accommodate thermal expansion stresses, and ensure long-term reliability and safety of EV battery packs under high-performance operating conditions. Two-component silicone-based thermally conductive gap-fill systems are room-temperature-curing, electrically insulating adhesive formulations that use a dual-part addition reaction to produce a flexible, repairable elastomer capable of filling surface irregularities between battery cells and cooling plates while maintaining stable thermal and mechanical performance across extreme operating conditions. For example, in June 2025, WACKER Chemie AG introduced SEMICOSIL 9649 TC, a thermally conductive gap filler developed specifically for power electronics in electric and hybrid vehicles, featuring a thermal conductivity of approximately 4 W/mK, sustained performance at temperatures up to 150°C, and resistance to thermal shocks across a range of -40°C to +150°C.

In May 2023, Arkema S. A., a France-based provider of specialty chemicals and advanced materials, acquired Polytec PT GmbH for an undisclosed amount. Through this acquisition, Arkema aims to strengthen its portfolio of high-performance thermal interface materials and expand its presence in electric vehicle battery thermal management solutions, including thermally conductive gap-fill adhesives. Polytec PT GmbH is a Germany-based provider of thermal interface materials, including gap fillers, thermal pastes, and conductive adhesives used in battery cooling systems and electronic applications.

Major companies operating in the high-thermal-conductivity gap-fill adhesives for ev battery cooling plates market are BASF SE, Dow Inc., 3M Company, Henkel AG & Co. KGaA, Parker Hannifin Corporation, Shin-Etsu Chemical Co. Ltd., DuPont de Nemours Inc., Arkema S. A., Wacker Chemie AG, Huntsman Corporation, H. B. Fuller Company, Momentive Performance Materials Inc., Laird Performance Materials, Panacol-Elosol GmbH, Fujipoly America Corporation, Polymer Science Inc., Master Bond Inc., Aremco Products Inc., ThreeBond Co. Ltd., CollTech Group.

Asia-Pacific was the largest region in the high-thermal-conductivity gap-fill adhesives for electric vehicle battery cooling plates market in 2025. North America is expected to be the fastest-growing region in the forecast period. The regions covered in the high-thermal-conductivity gap-fill adhesives for EV battery cooling plates market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in the high-thermal-conductivity gap-fill adhesives for EV battery cooling plates market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

The high-thermal-conductivity gap-fill adhesives for electric vehicle battery cooling plates market consists of sales of thermal gap filler adhesives, conductive paste materials, interface pads, encapsulants, and bonding agents specifically designed for electric vehicle battery thermal management systems. Values in this market are ‘factory gate’ values, that is, the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors, and retailers) or directly to end customers. The value of goods in this market includes related technical support, customization, and application services provided by the manufacturers.

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified).

The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

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