About Us

Power for Mobility

Celgard is a global leader in the development and production of specialty microporous membranes, and is one of the largest suppliers to the lithium battery industry. Celgard® battery separators are highly engineered and are used in disposable and rechargeable lithium-ion batteries for personal electronic devices such as notebook computers, mobile telephones, digital cameras, and power tools and are emerging in applications including electric drive vehicles and reserve power and electricity grid management systems.

With company headquarters in Charlotte, North Carolina, USA and battery separator manufacturing facilities in the United States, Korea, and China, we are ideally positioned to serve the just-in-time needs of a global market.

Celgard: A Polypore Company

Celgard is a wholly-owned subsidiary of Polypore International, Inc. (NYSE: PPO). Other affiliated companies and product lines include: