X-ray sensitive battery separators and related methods

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United States of America Patent

PATENT NO 9453805
APP PUB NO 20110176661A1
SERIAL NO

12689418

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Abstract

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The instant application relates to an X-ray sensitive battery separator for a secondary lithium battery and a method for detecting the position of a separator in a secondary lithium battery. The X-ray sensitive battery separator includes a microporous membrane having an X-ray detectable element therein, thereon, or added thereto. The X-ray detectable element constitutes less than 20% by weight of the microporous membrane or separator. The method for detecting the position of a separator in a battery, cell, stack, jellyroll, can, or the like includes the following steps: (1) providing a battery, cell, stack, jellyroll, or the like including an X-ray sensitive battery separator; (2) subjecting the battery, cell, stack, jellyroll, or the like to X-ray radiation; and (3) thereby detecting the position of said separator in said battery, cell, stack, jellyroll, or the like.

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Patent Owner(s)

Patent OwnerAddress
CELGARD LLC13800 SOUTH LAKES DRIVE CHARLOTTE NC 28273

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Xuefa Matthews, US 8 62
Wensley, C Glen Rock Hill, US 37 680
Zhang, Zhengming Charlotte, US 72 455

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