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