The Global Ceramic Coated Battery Separators Market was valued at US$ 348.8 Million in 2023 and is projected to reach US$ 428.7 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 3.1% during the forecast period (2024–2030). This steady growth is propelled by the exponential rise in electric vehicle (EV) adoption, the increasing demand for high-performance consumer electronics, and stringent safety regulations mandating enhanced battery thermal stability.

As the global push for electrification intensifies, the ceramic coating on battery separators has become a critical innovation, preventing short circuits and thermal runaway. In this blog, we profile the Top 10 Companies in the Ceramic Coated Battery Separators Industry—a group of advanced materials specialists and battery component leaders shaping the future of safe and efficient energy storage.

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🔟 1. Mitsubishi Paper Mills

Headquarters: Tokyo, Japan
Key Offering: HiPore™ ceramic-coated separators for lithium-ion batteries

Mitsubishi Paper Mills is a pioneer in high-performance battery separator films. Their HiPore™ series features a uniform ceramic coating that enhances thermal resistance and electrolyte wettability, making it a preferred choice for automotive and industrial battery applications.

Innovation Focus:

• Development of ultra-thin, high-porosity separators

• Focus on improving cycle life and fast-charging capabilities

• Strategic partnerships with major Asian battery manufacturers

Download FREE Sample Report:
Ceramic Coated Battery Separators Market – View in Detailed Research Report

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9️⃣ 2. Asahi Kasei

Headquarters: Tokyo, Japan
Key Offering: Hipore™ polyethylene separators with ceramic coatings

Asahi Kasei is a global leader in microporous polyethylene separators. The company integrates advanced ceramic particles into its separator matrices to significantly improve heat resistance and dimensional stability, which is critical for EV battery safety.

Innovation Focus:

• Leading market share in wet-process separator technology

• Continuous R&D for higher shutdown temperature and puncture strength

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8️⃣ 3. LG Chem

Headquarters: Seoul, South Korea
Key Offering: Integrated battery materials, including ceramic-coated separators

As a vertically integrated battery giant, LG Chem develops proprietary ceramic-coated separators for its own massive battery production needs and the open market. Their focus is on maximizing safety for high-energy-density batteries used in EVs and energy storage systems.

Innovation Focus:

• In-house development of separator coatings to control supply chain

• Emphasis on coatings that enable faster charging and longer lifespan

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7️⃣ 4. Bruckner Maschinenbau

Headquarters: Siegsdorf, Germany
Key Offering: Coating and finishing lines for battery separator production

Bruckner Maschinenbau is a key technology enabler, supplying the high-precision machinery required for applying uniform ceramic coatings on battery separator films. Their coating lines are used by major separator manufacturers worldwide to ensure product consistency and quality.

Innovation Focus:

• Development of efficient, high-speed coating machinery

• Focus on reducing energy consumption and material waste in the coating process

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6️⃣ 5. UBE INDUSTRIES

Headquarters: Tokyo, Japan
Key Offering: Ube Polyamideimide (PAI) and ceramic composite separators

UBE INDUSTRIES leverages its expertise in high-performance polymers to create separators with exceptional thermal and mechanical properties. Their ceramic-coated separators are designed to withstand extreme operating conditions in next-generation batteries.

Innovation Focus:

• Specialization in high-temperature resistant polymer separators

• R&D into hybrid organic-inorganic coating materials

Download FREE Sample Report:
Ceramic Coated Battery Separators Market – View in Detailed Research Report

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5️⃣ 6. Toray Industries

Headquarters: Tokyo, Japan
Key Offering: TORAYSET™ coated separators

Toray Industries, a global leader in advanced materials, produces battery separators with proprietary ceramic and aramid coatings. Their products are known for high heat resistance and are widely used in power tools, EVs, and aerospace applications.

Innovation Focus:

• Integration of aramid fibers for superior strength and thermal stability

• Development of sustainable, bio-based coating materials

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4️⃣ 7. Celgard

Headquarters: Charlotte, North Carolina, USA
Key Offering: Celgard® ceramic-coated trilayer separators

Celgard, a subsidiary of Asahi Kasei, is a renowned name in dry-process battery separators. The company offers ceramic-coated versions of its flagship products, enhancing safety for lithium-ion batteries without compromising on ionic conductivity.

Innovation Focus:

• Pioneering trilayer PP/PE/PP separator technology

• Focus on coatings that provide a shutdown function and high melt integrity

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3️⃣ 8. Sumitomo Chemical

Headquarters: Tokyo, Japan
Key Offering: Ceramic-coated porous polymer films

Sumitomo Chemical produces high-quality battery separators with uniform ceramic coatings that prevent dendrite growth and improve high-temperature endurance. Their materials are critical for ensuring the reliability of batteries in demanding environments.

Innovation Focus:

• Advanced coating technologies for ultra-thin separators

• Collaborations with automotive OEMs for custom separator solutions

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2️⃣ 9. SK Innovation

Headquarters: Seoul, South Korea
Key Offering: LiBC Ceramic Coated Separator

SK Innovation, through its subsidiary SK ie technology, is a major force in the separator market. Their ceramic-coated separators are engineered to provide an extra layer of safety, significantly reducing the risk of thermal runaway in high-capacity battery cells.

Innovation Focus:

• Mass production of wet-process ceramic-coated separators

• Investment in new production facilities to meet soaring EV demand

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1️⃣ 10. Targray

Headquarters: Montreal, Canada
Key Offering: Distribution of specialty battery materials, including ceramic-coated separators

Targray operates as a leading international supplier of advanced battery materials. The company sources and distributes high-performance ceramic-coated separators from various manufacturers, providing a vital link in the global battery supply chain.

Innovation Focus:

• Global logistics and supply chain management for battery materials

• Technical support and quality assurance for diverse industry clients

Read Full Report:
Ceramic Coated Battery Separators Market – View in Detailed Research Report

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🔋 Outlook: The Future of Battery Separators Is Safer and Smarter

The ceramic coated battery separator market is evolving rapidly, driven by the relentless pursuit of safer, more energetic, and longer-lasting batteries. While traditional polyolefin separators form the base, the value-added ceramic coating is becoming a standard for premium applications.

📈 Key Trends Shaping the Market:

• Shift towards hybrid and composite coatings combining ceramics with polymers like aramid

• Increasing demand for ultra-thin separators to maximize energy density in battery cells

• Rising investments in solid-state battery technology, influencing separator design

• Stringent international safety standards pushing for mandatory adoption of coated separators in EVs

Read Full Report:
Ceramic Coated Battery Separators Market – View in Detailed Research Report

The companies listed above are not only supplying critical components—they are enabling the safe electrification of our transportation and energy systems.