Celgard, LLC

About Celgard

Celgard, LLC develops and manufactures microporous polymer separator films for lithium‑ion batteries. Its products focus on dry‑process (stretch) polypropylene and polyethylene membranes in mono‑ and multilayer formats, offered in coated and uncoated grades to deliver ion transport, mechanical durability, and thermal safety features such as shutdown behavior.

Celgard supplies separators for electric vehicles, stationary energy storage, and consumer and industrial battery applications worldwide. The company operates within Polypore International as part of Asahi Kasei’s battery separator business and is headquartered in Charlotte, North Carolina, USA.

Official website: celgard.com

Projects Celgard is involved in

chemXplore tracks 1 project involving Celgard, of which one has not started up yet.

Celgard's role on them: Operator.

1 Commissioning & Start-up

1 expansion.

Expected start-ups per year.

What moved recently
  • 20 August 2026 Asahi Kasei Hipore wet-process separator coating line at Celgard Charlotte · Commissioning & Start-up · United States

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