Celgard LLC services

The lithium-ion battery manufacturing process consists of tight tolerances and strict process controls which are essential to your product’s unparalleled safety, quality and performance. Celgard® understands how each of the components within cell designs are critical, and must be compatible with the cell chemistry, as well as the mechanical demands of stacking or winding assembly operations. As a battery separator manufacturer, Celgard adheres to and is certified by the globally recognized ISO 9001 quality management system. Different from many battery separator suppliers, we conduct an extensive series of state-of-the-art optical inspections and quantified tests throughout the production of our microporous membrane separators to ensure that only the highest quality products are delivered to customer battery assembly facilities.