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AT THE CENTER OFBATTERY INNOVATION

As the world’s leader in separator technology, Celgard has the expertise you require for your next generation battery.

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Who We Are

Who We Are

Celgard is a global leader in the development and production of high-performance membrane separators. Our products are used in a broad range of energy storage applications including rechargeable lithium-ion batteries, disposable lithium batteries and specialty energy storage. With more than 40 years of market-leading research, development, and manufacturing, Celgard delivers highly-engineered products with proven quality and performance. 

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How Celgard Can Help You

How Celgard Can Help You

High energy density and high capacity cell requirements are becoming increasingly more stringent; this drives the need for very specific solutions for your applications. We offer a broad spectrum of membrane properties that are ideal to help you solve your most challenging issues. As a Celgard customer you will have access to our teams of scientists, engineers, and technical specialists as well as to our lithium-ion battery and membrane separator experts. Our goal is to provide you with a high-performance product AND help you build your next generation battery.

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Our Capabilities

Our Capabilities

Celgard’s Application Development teams work with customers to develop customized battery solutions that optimize cell performance in unique battery system applications. Our in-house battery and separator application laboratories boast state-of-the-art dry room and pilot-scale assembly operations, as well as electrical, mechanical and safety performance testing capabilities.

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Pushing The Boundaries

Pushing The Boundaries

We continuously enhance the design and functionality of our battery separators through significant research and development. Our market-leading research and large patent portfolio give us a strong intellectual property position, which enables us to be a global leader in technology advancement. We want you to be successful and we will provide support through every step of the process.

Celgard

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