Company Profile
As a leading global high-technology company specializing in microporous membranes, we bring advanced
development and manufacturing knowhow as well as unique problem solving capabilities to lithium-ion and
lead-acid battery development.
The increasing demand for mobile and portable energy around the world continues to be a driving force in
our growth.
Polypore, together with Asahi Kasei, has the broadest array of process and product technology for
microporous membranes.
Our Business Focus
Energy Storage
Our membrane separators are critical components in lithium-ion and lead-acid batteries,
performing the core function of regulating ion exchange, which allows the charge and
discharge process in a battery to occur.
• We have been among the top three lithium-ion battery membrane separator
providers since the market’s development in the early 1990s.
• We are the only lithium battery separator producer offering a portfolio of
products to meet the full range of performance demanded for Electric Drive
Vehicle (EDV), Energy Storage Systems (ESS), and consumer electronics (CE)
applications.
• We are the leading global supplier of lead-acid battery separators serving
transportation, industrial and specialty applications including uninterruptable
power supplies for back up and emergency needs.
Major Products
• CELGARD® lithium-ion battery separators
• Daramic®, DuraLife® and DARAK® lead-acid battery separators
Fast Facts
Asahi Kasei Corporation
•Operations in 9
countries serving 6
continents
•Approximately 1,800
highly-skilled
employees worldwide
•A robust portfolio of
U.S. and foreign patents
The Asahi Kasei Group is a diversified group of companies with operations in the material,
homes, and health care business sectors. Its electronics operations include a broad range
of high-performance energy/electronics materials such as the Hipore™ lithium-ion battery
separator, photosensitive dry film used in the production of printed wiring boards, and
photomask pellicles used in the production of LCD panels and semiconductors.
With more than 30,000 employees around the world, the Asahi Kasei Group serves
customers in more than 100 countries. Net sales in fiscal year 2015 were $17.7 billion
(Exchange rate: ¥112.47/$).
For more information, please visit www.asahi-kasei.co.jp/asahi/en/.
www.polypore.net
Polypore International, LP
11430 N. Community House Road, Suite 350, Charlotte, North Carolina 28277
(704) 587-8409