ExxonMobil Chemical's New Generation of Lithium-Ion Battery Separators for HEVs Now Produced on a Commercial LineExxonMobil Chem
08 Mai 2007 - 1:00PM
Business Wire
ExxonMobil Chemical's affiliate, Tonen Chemical Corporation, is now
producing on a commercial line its innovative microporous films for
hybrid and electric vehicles (HEV/EV). The films are designed to
meet the safety, reliability and power performance requirements of
lithium-ion batteries (LIB) used in these applications. The
separators are produced using a proprietary wet, bi-orientation
manufacturing process. The new films are co-extruded using
specially tailored, high heat resistant polymers for improved
separator properties. These enhancements to Tonen Chemical�s proven
technology ensure consistent separator quality and easy adoption in
HEV LIB applications. The advanced performance separators exhibit a
unique combination of properties including enhanced permeability,
higher meltdown temperature and melt integrity, without
compromising the shutdown temperature and mechanical strength. The
higher meltdown temperature significantly increases the film�s
thermal safety margin. "Separator quality and safety and supply
reliability are critical considerations for battery and automotive
manufacturers to support the rapidly developing HEV/EV market,�
said Jim Harris, senior vice president of ExxonMobil Chemical.
"Producing these next-generation separators on our commercial lines
positions us well to meet the growing market needs.� This unique
combination of properties is the result of close collaboration
between Tonen Chemical, with over 20 years' experience in separator
research and process technology, and ExxonMobil Chemical, a global
leader in polyolefin technology. These separators offer the
potential to make HEV batteries lighter, smaller and more durable,
contributing to system cost reduction and improvements in design
flexibility. Tonen Chemical has recently invested in additional,
fully scaleable commercial production lines to satisfy global
automotive industry demands. The new generation films will be on
display at the Advanced Automotive Battery Conference (AABC) in
Long Beach, CA, May 14-18. Samples are available immediately for
advanced HEV/EV lithium-ion battery applications. About ExxonMobil
Chemical ExxonMobil Chemical is a global leader in technology,
product quality and customer service with petrochemical
manufacturing and/or marketing operations in countries around the
world. To find out more about ExxonMobil Chemical visit
www.exxonmobilchemical.com. Editor�s notes: 1) The term "ExxonMobil
Chemical" as used in this news release, refers collectively to some
or all of the companies affiliated with Exxon Mobil Corporation,
and/or itself, which have chemical manufacturing and/or marketing
operations around the world. 2) ExxonMobil and the ExxonMobil logo
are trademarks or registered trademarks of Exxon Mobil Corporation.
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