ExxonMobil Chemical's New Film Technologies Help Power Next Generation Hybrid and Electric Vehicles

HOUSTON--(BUSINESS WIRE)--ExxonMobil Chemical and ExxonMobil's Japanese affiliate, Tonen Chemical, have developed new film technologies for lithium-ion batteries with the potential to improve the energy efficiency and affordability of next generation hybrid and electric vehicles.

“By developing new film technologies that allow lithium-ion batteries to meet hybrid and electric vehicle requirements, ExxonMobil Chemical is helping to make next generation vehicles more energy and cost efficient, as well as lighter”

These new film technologies are expected to significantly enhance the power, safety and reliability of lithium-ion batteries, thereby helping speed the adoption of these smaller and lighter batteries into the next wave of lower-emission vehicles.

“By developing new film technologies that allow lithium-ion batteries to meet hybrid and electric vehicle requirements, ExxonMobil Chemical is helping to make next generation vehicles more energy and cost efficient, as well as lighter,” said Jim P. Harris, senior vice president, ExxonMobil Chemical Company. “We are currently working with industry-leading battery manufacturers to expand the boundaries of current hybrid and electric vehicle applications.”

Separator film is an integral part of battery system design and critical to overall performance. ExxonMobil Chemical’s new technology platform builds on twenty years experience in lithium-ion battery separators, applying advanced polymer and process technologies with flexibility to tailor products to battery manufacturer requirements.

ExxonMobil Chemical will present the new film technologies at the 23^rd Electric Vehicle Symposium and Exposition (EVS-23) in Anaheim, Calif. on December 2-5, 2007.

About ExxonMobil Chemical

ExxonMobil Chemical is a global leader in technology, product quality and customer service with petrochemical manufacturing and/or marketing operations around the world. For more information visit: www.exxonmobilchemical.com.

About Tonen Chemical

Tonen Chemical is an ExxonMobil affiliate and the world’s second-largest producer of separator film for lithium-ion batteries. For more information visit: http://www.tonengeneral.co.jp/apps/tonengeneral/english/index.html.

Note to Editors:

The term "ExxonMobil Chemical" 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.