With more than 50 years of market-leading research, development, and manufacturing expertise, Celgard collaborates with customers to develop customized membrane solutions to meet specific application needs.

Visit the product data page to view additional details on select Celgard® separators or contact us for further discussion.

Battery separators are among the most highly engineered and critical components of lithium batteries, providing a barrier between the anode and cathode to prevent short circuits, while performing the core function of facilitating ion exchange.

Celgard has a broad portfolio of products available with a large range of properties. All Celgard® battery separator technologies offer excellent energy and power performance, dimensional integrity, and chemical and thermal stability in lithium battery applications.

We work with customers to truly understand the unique requirements of each battery application. Whether your battery designs require long battery life, high charge/discharge rates, structural integrity at high temperatures or something in between, it’s critical to have the correct combination of components or properties to address these issues.

Our in-house battery and separator application laboratories boast state-of-the-art dry room and pilot-scale assembly operations, as well as electrical, mechanical and safety performance testing capabilities, enabling our team of scientists and engineers to solve even the toughest of technical challenges.

Celgard® battery separators are ideally suited for a variety of applications, including:

  • Electric Drive Vehicles (EDV)
  • Energy Storage Systems (ESS)
  • Specialty Batteries
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