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Business
Japanese Firms Hike Battery Materials
by Jean-François Tremblay
November 8, 2010
| A version of this story appeared in
Volume 88, Issue 45
Mitsui Chemicals will expand capacity for Hi-Zex Million ultra-high-molecular-weight polyethylene, used to make lithium-ion-battery separators and high-strength fibers, at its Iwakuni-Ohtake Works, in Japan. To be completed by next September, the project will raise capacity by 50% to 7,500 metric tons per year. Separately, Asahi Kasei has begun construction in Hyuga, Japan, of new facilities for its Hipore microporous polyolefin membrane, used as a lithium-ion-battery separator. The $25 million plant is scheduled to open next summer with a capacity of 15 million m2 per year.
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