Expertise

Patents

Patents

Celgard has continuously developed microporous membranes since the late 1960s. Because of our battery innovation expertise, we hold a substantial portfolio of patents ranging from trilayer separators to ceramic coating. These innovations reinforce our commitment to develop the right combination of products for our customers’ technology.

Fellows

Fellows

Our prestige in quality and innovation is further driven through our Fellows program. The comprehensive program recognizes employees who demonstrate excellence in research and development, applied technology, customer technical service, manufacturing processes, and engineering. Polypore Fellows lead the way to inventive solutions with their battery innovation expertise.

Research & Development

Research & Development

Celgard continuously enhances the design and functionality of our battery and membrane separator technologies through significant research and development. We take pride in our teams of scientists, engineers, and technical specialists, who enable us to remain a market leader in technology advancement.

Certifications

Certifications

Celgard is committed to operating in a manner that meets or exceeds environmental and customer standards, and maintains our ISO certification to the ISO 9001 and ISO/TS 16949 Quality Management Systems and the ISO 14001 Environmental Management System. 

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Operations

Operations

Globally recognized for our battery innovation expertise, Celgard's capacity has increased significantly in recent years. Celgard can meet the growing demand for quick delivery of highly engineered products with tighter specifications. With manufacturing facilities and sales and technical service offices throughout the Americas, Europe and Asia, we have the scale and critical mass to serve customers globally. Our facilities are equipped with proprietary manufacturing processes and our quality exceeds high environmental and customer standards. 

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Celgard

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