About
Headquartered in Charlotte, North Carolina, USA, Celgard is a global leader in the development and production of high-performance microporous membranes. As the original inventor of ceramic‑coated separators (CCS) and one of the only commercial-scale manufacturers of lithium-ion battery separators in North America, Celgard has spent decades advancing the technologies that power modern life. Our products are used in a broad range of energy storage and other barrier-type applications, including lithium-ion batteries, lithium primary and select specialty battery solutions. They are also used in technical textiles such as waterproof breathable apparel and medical personal protective equipment (PPE) and other specialty applications.