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

High-Thermal-Conductivity Gap-Fill Adhesives For EV Battery Cooling Plates Market Overview

• High-Thermal-Conductivity Gap-Fill Adhesives For EV Battery Cooling Plates market size has reached to $0.39 billion in 2025 • Expected to grow to $0.71 billion in 2030 at a compound annual growth rate (CAGR) of 12.6% • Growth Driver: Surge In Increasing Demand For Electric Vehicles Fueling The Growth Of The Market Due To Rising Consumer Adoption Of Zero-Emission Transportation • Market Trend: Advancements In Two-Component Silicone-Based Thermal Gap-Fill Formulations Drive Competitive Differentiation • Asia-Pacific was the largest region in 2025 and North America is the fastest growing region.

What Is Covered Under High-Thermal-Conductivity Gap-Fill Adhesives For EV Battery Cooling Plates Market?

High-thermal-conductivity gap-fill adhesives for electric vehicle battery cooling plates are advanced material solutions designed to enhance heat transfer between battery cells and cooling components. These adhesives are engineered to fill microscopic gaps and irregularities between surfaces, ensuring efficient thermal management, and electrical insulation within battery systems. Their primary goal is to maintain optimal battery temperature, improve safety, extend battery life, and support the performance and reliability of electric vehicles under varying operating conditions. The main battery architectures of high-thermal-conductivity gap-fill adhesives for EV battery cooling plates include cell-to-cooling-plate interface, module-to-cooling-plate interface, cell-to-pack thermal coupling, battery repair or rework gap filling, and power electronics adjacent cooling interfaces. Cell-to-cooling-plate interface refers to thermally conductive adhesives designed to enhance heat transfer between individual battery cells and cooling systems for improved thermal management. They are used across vehicle types including battery electric vehicles (BEVs), plug-in hybrid electric vehicles (PHEVs), electric buses, and electric trucks or commercial EVs and are formulated using material types such as silicone-based adhesives, epoxy-based adhesives, polyurethane-based adhesives, and other material types. These products are categorized by thermal conductivity band including 3–6 W/mK, 1–3 W/mK, above 6 W/mK, and below 1 W/mK, and they are used by several end users such as automotive manufacturers, battery manufacturers, electric vehicle component suppliers, and others.

What Is The High-Thermal-Conductivity Gap-Fill Adhesives For EV Battery Cooling Plates Market Growth Forecast?

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.

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

1) By Battery Architecture: Cell-To-Cooling-Plate Interface, Module-To-Cooling-Plate Interface, Cell-To-Pack Thermal Coupling, Battery Repair Or Rework Gap Filling, Power Electronics Adjacent Cooling Interfaces 2) By Vehicle Type: Battery Electric Vehicles (BEVs), Plug-in Hybrid Electric Vehicles (PHEVs), Electric Buses, Electric Trucks Or Commercial EVs 3) By Material Type: Silicone-Based Adhesives, Epoxy-Based Adhesives, Polyurethane-Based Adhesives, Other Material Types 4) By Thermal Conductivity Band: 3–6 W/mK, 1–3 W/mK, Above 6 W/mK, Below 1 W/mK 5) By End-User: Automotive Manufacturers, Battery Manufacturers, Electric Vehicle Component Suppliers, Other End Users Subsegments: 1) By Cell-To-Cooling-Plate Interface: Direct Bonding Interface, Thermal Pad Assisted Interface, Liquid Gap Fill Interface, Adhesive Bonded Interface, Hybrid Thermal Interface 2) By Module-To-Cooling-Plate Interface: Bottom Plate Contact Interface, Side Wall Thermal Interface, Encapsulated Module Interface, Adhesive Layered Interface 3) By Cell-To-Pack Thermal Coupling: Structural Adhesive Coupling, Flexible Gap Fill Coupling, Encapsulated Thermal Coupling, Direct Contact Thermal Coupling, Hybrid Bonded Coupling 4) By Battery Repair Or Rework Gap Filling: Manual Gap Filling Solutions, Automated Dispensing Solutions, Rework Adhesive Systems, Thermal Paste Reapplication, Localized Gap Repair Materials 5) By Power Electronics Adjacent Cooling Interfaces: Inverter Cooling Interface, Control Unit Thermal Interface, Converter Thermal Interface, Heat Sink Bonding Interface, Hybrid Electronics Cooling Interface

What Is The Driver Of The High-Thermal-Conductivity Gap-Fill Adhesives For EV Battery Cooling Plates Market?

The increasing demand for electric vehicles is expected to propel the growth of the high-thermal-conductivity gap-fill adhesives for EV battery cooling plates market going forward. Electric vehicles are automobiles that use one or more electric motors powered by rechargeable battery packs as their primary propulsion source, producing zero direct tailpipe emissions. Demand for electric vehicles is rising due to growing consumer preference for zero-emission transportation, driven by heightened environmental awareness and supportive government policies such as purchase incentives, emission mandates, and infrastructure investments that make EV ownership more accessible and attractive. High-thermal-conductivity gap-fill adhesives enable this demand by providing the precise thermal interface management needed in EV battery cooling plates to maintain optimal battery temperatures, thereby extending battery life, improving range, and ensuring the safety standards that consumers and regulators require. For instance, in April 2025, according to the International Energy Agency (IEA), a France-based intergovernmental energy organization, global electric car sales exceeded 17 million units in 2024, representing over 20% of all new cars sold worldwide for the first time, and sales in the first quarter of 2025 grew 35% year-on-year, with global EV sales projected to surpass 20 million units in 2025 to account for more than one in four cars sold worldwide. Therefore, the increasing demand for electric vehicles is driving the growth of the high-thermal-conductivity gap-fill adhesives for EV battery cooling plates industry.

Key Players In The Global High-Thermal-Conductivity Gap-Fill Adhesives For EV Battery Cooling Plates Market

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.

Global High-Thermal-Conductivity Gap-Fill Adhesives For EV Battery Cooling Plates Market Trends and Insights

Major 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 instance, in June 2025, WACKER Chemie AG, a Germany-based specialty chemicals company, 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.

What Are Latest Mergers And Acquisitions In The High-Thermal-Conductivity Gap-Fill Adhesives For EV Battery Cooling Plates Market?

In May 2023, Arkema S.A., a France-based provider of specialty chemicals and advanced materials, acquired Polytec PT GmbH for an undisclosed amount. With 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.

Regional Outlook/Insights

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 this market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in this market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

What Defines the High-Thermal-Conductivity Gap-Fill Adhesives For EV Battery Cooling Plates Market?

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.

How is Market Value Defined and Measured?

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.

What Key Data and Analysis Are Included in the High-Thermal-Conductivity Gap-Fill Adhesives For EV Battery Cooling Plates Market Report 2026?

The high-thermal-conductivity gap-fill adhesives for ev battery cooling plates market research report is one of a series of new reports from The Business Research Company that provides market statistics, including industry global market size, regional shares, competitors with the market share, detailed market segments, market trends and opportunities, and any further data you may need to thrive in the high-thermal-conductivity gap-fill adhesives for ev battery cooling plates industry. The market research report delivers a complete perspective of everything you need, with an in-depth analysis of the current and future state of the industry.