The Global Battery Pack Case Composite Materials Market was valued at USD 171 Million in 2025 and is projected to reach USD 1,235 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 34.1% during the forecast period (2024–2034). This explosive growth is being driven by the global surge in electric vehicle production, the paramount need for lightweighting to extend driving range, and stringent safety regulations for battery integrity and thermal management.

As the electric mobility industry accelerates toward a sustainable future, the spotlight is on the advanced material suppliers who are engineering the protective shells essential for next-generation batteries. In this blog, we profile the Top 10 Companies in the Battery Pack Case Composite Materials Industry—a mix of chemical giants, carbon fiber specialists, and composites pioneers shaping the future of EV safety and performance.

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🔟 1. LANXESS

Headquarters: Cologne, Germany
Key Offering: High-Performance Sheet Molding Compound (SMC), Tepex® Thermooplastic Composites

LANXESS is a leading specialty chemicals company with a formidable presence in high-performance composites. Their portfolio includes advanced SMC materials specifically engineered for battery housings, offering an exceptional balance of mechanical strength, flame retardancy, and lightweight properties. Their Tepex® continuous-fiber-reinforced thermoplastics are also gaining traction for applications requiring superior impact resistance.

Innovation Initiatives:

• Development of halogen-free flame-retardant SMC systems

• Focus on materials that enable functional integration (e.g., integrated cooling channels)

• Strong collaboration with major European automotive OEMs on EV platforms

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9️⃣ 2. SGL Carbon

Headquarters: Wiesbaden, Germany
Key Offering: Carbon Fiber Reinforced Composites, SIGRAPREG® Prepregs, Custom Composite Solutions

SGL Carbon is a global leader in carbon-based solutions, providing advanced composite materials that are critical for premium and high-performance electric vehicle battery cases. Their materials offer the highest strength-to-weight ratio, which is essential for maximizing the range of luxury and sports EVs. The company works closely with automakers to develop tailored solutions that meet specific crashworthiness and thermal management requirements.

Innovation Initiatives:

• Investment in large-scale automated production for automotive-grade carbon fiber components

• R&D into sustainable carbon fiber precursors and recycling technologies

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8️⃣ 3. Teijin Limited

Headquarters: Tokyo, Japan
Key Offering: Carbon Fiber & Composites (TENAX®), Thermoplastic Composites

Teijin is a multinational chemical, pharmaceutical, and information technology company with a dominant position in advanced fibers and composites. Through its subsidiary Continental Structural Plastics (CSP), Teijin offers a comprehensive range of SMC and thermoplastic composites for battery enclosures. Their expertise lies in creating lightweight, strong, and fire-resistant solutions suitable for mass-market vehicle production.

Innovation Initiatives:

• Pioneering multi-material solutions that combine carbon fiber with glass fiber for optimized cost and performance

• Development of rapid-cure resin systems to improve manufacturing efficiency

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7️⃣ 4. Hanwha Advanced Materials

Headquarters: Seoul, South Korea
Key Offering: Carbon Composite Materials, SMC, LFT (Long Fiber Thermoplastics)

Hanwha Advanced Materials is a key player in the Asian market, supplying advanced composite materials to the burgeoning EV industries in South Korea and beyond. The company provides materials that meet the demanding standards of Korean automotive giants, focusing on durability, lightweighting, and thermal stability for battery packs in a wide range of vehicle segments.

Innovation Initiatives:

• Expansion of production capacity for automotive composite materials

• Strategic focus on supplying integrated battery module and pack solutions

Download FREE Sample Report: Battery Pack Case Composite Materials Market – View in Detailed Research Report

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6️⃣ 5. SABIC

Headquarters: Riyadh, Saudi Arabia
Key Offering: STAMAX® Long Fiber Reinforced Thermoplastics, flame-retardant compounds

SABIC, a global leader in diversified chemicals, offers innovative thermoplastic solutions for battery pack cases. Their STAMAX® LFRT materials are particularly valued for their high stiffness, impact strength, and suitability for large-part injection molding. This allows for the production of complex, lightweight battery trays with potential for recyclability, addressing both performance and sustainability goals.

Innovation Initiatives:

• Development of specialized compound portfolios with enhanced flame retardancy for battery safety

• Promoting the use of thermoplastics for their circular economy benefits compared to thermosets

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5️⃣ 6. Syensqo

Headquarters: Brussels, Belgium
Key Offering: Specialty Polymers, Composite Materials, High-Performance Resins

Syensqo (formerly part of Solvay) is a science-based company focused on developing critical materials for the energy transition. They provide high-performance composite materials, including epoxy and thermoplastic resins, that are essential for manufacturing strong, lightweight, and fire-resistant battery housings. Their technologies are used in demanding applications across automotive, aerospace, and energy storage.

Innovation Initiatives:

• Investment in bio-based and recyclable resin technologies

• Collaboration with OEMs to design material solutions that withstand extreme conditions and thermal runaway events

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4️⃣ 7. Mitsubishi Chemical Group (MCG)

Headquarters: Tokyo, Japan
Key Offering: Carbon Fiber (Pyrofil®), Engineering Plastics, SMC Compounds

Mitsubishi Chemical Group is a comprehensive chemical manufacturer with a strong portfolio of advanced materials for the EV sector. The group offers high-performance carbon fibers and composite intermediates that contribute to significant weight reduction in battery packs. They are also actively developing material solutions that enhance the safety and longevity of energy storage systems.

Innovation Initiatives:

• Focus on scaling up carbon fiber production to meet growing automotive demand

• Development of multi-functional materials that provide structural support alongside thermal management

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3️⃣ 8. FLAMEVEX (IDI Composites International)

Headquarters: Noblesville, Indiana, USA
Key Offering: High-Temperature, Flame-Retardant SMC and BMC

FLAMEVEX, a brand of IDI Composites International, specializes in high-performance thermoset composites with exceptional fire, smoke, and toxicity (FST) properties. This makes them a critical supplier for battery pack cases where containing thermal runaway is a non-negotiable safety requirement. Their materials are designed to meet stringent international safety standards for electric vehicles and energy storage.

Innovation Initiatives:

• Expertise in formulating composites that can withstand temperatures exceeding 1000°C

• Strong focus on the North American EV and ESS markets with tailored material solutions

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2️⃣ 9. Covestro AG

Headquarters: Leverkusen, Germany
Key Offering: Polycarbonate Blends, Polyurethane Composites, Baydur® PUL

Covestro is a world-leading manufacturer of high-tech polymer materials. The company offers innovative material solutions for battery housings, including robust polycarbonate blends and lightweight polyurethane composites. These materials provide a good combination of impact resistance, flame retardancy, and design freedom, enabling the production of safer and more efficient battery enclosures.

Innovation Initiatives:

• Development of materials using alternative raw materials based on biomass and CO2

• Creating foam core structures that offer lightweighting with integrated thermal insulation

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1️⃣ 10. Kautex Textron

Headquarters: Bonn, Germany
Key Offering: Blow-Molded Plastic Fuel Systems, Battery Enclosures

Kautex Textron, a subsidiary of Textron Inc., is a global leader in plastic fuel systems and is rapidly expanding into the EV space with innovative battery enclosure solutions. They leverage their expertise in blow molding and plastics engineering to develop lightweight, sealed, and durable battery housings. Their systems approach integrates the enclosure with thermal management and safety components.

Innovation Initiatives:

• Application of advanced blow-molding techniques for complex, hollow battery tray structures

• Focus on providing complete, validated battery system solutions to automotive OEMs

Get Full Report Here: Battery Pack Case Composite Materials Market – View in Detailed Research Report

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🌍 Outlook: The Future of Battery Pack Cases Is Lighter, Smarter, and More Sustainable

The battery pack case composite materials market is undergoing a fundamental transformation. While traditional materials like steel and aluminum still have a role, the industry is investing heavily in advanced composites that deliver unmatched performance, safety, and sustainability benefits.

📈 Key Trends Shaping the Market:

• Accelerated adoption of Sheet Molding Compound (SMC) for high-volume EV production due to its cost-effectiveness and fire resistance

• Growing use of Carbon Fiber Reinforced Composites in premium vehicle segments for maximum weight savings

• Rise of Thermoplastic Composites driven by their recyclability and faster processing cycles

• Increased integration of multi-functional designs that combine structural, thermal, and safety features into a single component

Get Full Report Here: Battery Pack Case Composite Materials Market – View in Detailed Research Report

The companies listed above are not only supplying materials—they are enabling the electric vehicle revolution by providing the critical technology that makes modern batteries safe, efficient, and reliable.

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