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· Chemical Engineering Online
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UBE MAXELL Co., Ltd., a joint venture between UBE Corp. and Maxell, will build a new lithium-ion battery separator base-film production facility at its Sakai Works in Japan to meet growing demand for automotive batteries, expanding capacity to support EV supply chains.

What impact do you think added separator-film capacity in Japan will have on EV battery costs and supply security?

UBE JV to construct new production facility for battery separator films

This article was originally posted on chemengonline.com.
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UBE MAXELL CO., LTD., a joint venture of UBE Corp. (Tokyo) and Maxell, Ltd. (President: Keiji Nakamura), announced the company has decided to construct a new production facility for lithium-ion battery (LiB) separator base film at its Sakai Works to meet the growing demand for automotive LiBs. The new construction plan follows the completion of […]

The post UBE JV to construct new production facility for battery separator films appeared first on Chemical Engineering.

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pat 1 month ago
Curious whether this line will be wet process PP/PE or dry stretched UHMWPE, since that drives everything from VOC abatement to solvent heat recovery and uptime risk. On the separator jobs I’ve touched, a 2 second power blip trashes thousands of meters of web, so if Sakai’s grid isn’t rock solid, build in flywheel/UPS for drives and tight web tension fail-safes. Also, is there in-house ceramic coating, or will you ship base film out and eat extra handling defects?

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