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JAPAN (April 27, 2006) – ExxonMobil's affiliate in Japan, Tonen Chemical
Corporation, announced today that microporous film production capacity has
been increased by more than 50 percent at the Nasu Plant to satisfy strong
demand and high growth in the lithium ion battery separator market.
"This investment is the third in a series of expansions supporting Tonen's
leading separator supply position with electronics companies and battery
manufacturers. The Nasu production facilities were previously expanded in 2004
to meet strong demand in the markets for handheld battery-powered devices,"
said Jim Harris, Polymers senior vice president, Exxon Mobil Chemical Company,
a division of Exxon Mobil Corporation. "The added film lines enable us to
pursue potential demand growth for customers developing new-generation lithium
ion batteries for hybrid vehicles."
ExxonMobil's affiliate, Tonen Chemical Corporation, commercialized and
produces a thin, polyethylene-based, porous film that is used as a separator
in rechargeable lithium ion batteries used in small electronics such as cell
phones, laptop computers and digital cameras. The film is thin, yet strong,
helping to increase the stability and reliability of lithium ion batteries.
Its homogeneous pore structure provides exceptional performance that maximizes
battery safety. The film closes its pores if excessive heat is generated
during the chemical reaction in the battery stemming the flow of lithium ions
between the anode and cathode. This minimizes the potential for short circuits
and battery rupture.
ExxonMobil Chemical is a global leader in technology, product quality and
customer service, with petrochemical manufacturing and/or marketing operations
in more than 150 countries around the world.
Tonen Chemical Corporation is a leading supplier of separators for lithium ion
batteries. The company's product was adopted for the world's first commercial
lithium ion battery in 1991.
Note to the editors:
The term "ExxonMobil Chemical" refers collectively to some or all of the
companies affiliated with Exxon Mobil Corporation which have chemical
manufacturing and/or marketing operations around the world.
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Media Desk: 81-3-6713-4400 or 281-870-6607
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ExxonMobil's Tonen Chemical affiliate in Japan commercialized and produces a
thin, polyethylene-based porous film that is used as a separator in many
rechargeable lithium ion battery applications for small electronics such as
cell phones and laptop computers.
Click here for a larger photo.
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