Polypore has the enabling technology that makes the world a better place.

You may not recognize Polypore by name, but chances are our products touch your life every day.

As a leading global high technology company specializing in microporous membranes, we bring advanced development and manufacturing know-how as well as unique problem-solving capabilities to your lithium-ion battery and other specialty applications.

Polypore is the market leader in lithium-ion membrane battery separators for electric drive vehicles (EDVs) that include cars, buses and bikes. These batteries also play a critical role in energy storage systems (ESS) for storing and releasing power generated by wind turbines and solar panels.

As more devices and technologies require advanced power options, there are also many specialty applications that rely on lithium and other battery innovation such as aircraft and drone batteries and ultra-capacitors. Some membrane variants also provide excellent properties for transdermal drug delivery and specialty textile applications.

Our Expertise

We are focused on microporous membranes and employ many of the world’s top membrane experts.

Product Types

Polypore develops and manufactures a large portfolio of membranes suitable for many lithium-ion and other cell chemistries.

Manufacturing

Polypore has scale, critical mass and the local resources to meet the needs of customers around the world.

Our People

Our diverse team members around the globe develop ideas and technologies that enable us to capture the exciting opportunities that lie ahead.