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Patent Searching and Data


Title:
SEPARATOR FOR ENERGY DEVICE AND ENERGY DEVICE HAVING THE SAME
Document Type and Number:
WIPO Patent Application WO/2008/018584
Kind Code:
A1
Abstract:
Disclosed is a separator for energy devices, which hardly allows an internal short circuit, while being excellent in electrolyte solution retention. Also disclosed is an energy device comprising such a separator. Specifically disclosed is a separator for energy devices, which comprises a nonwoven fabric laminate composed of two or more melt-blown nonwoven fabric layers arranged on top of one another. Each of the melt-blown nonwoven fabric layers has an average fiber diameter of 0.5-3 μm, and the weight per square meter of the nonwoven fabric laminate is not more than 50 g/m2. This separator for energy devices has a surface centerline maximum roughness (Rt value) of not more than 35 μm.

Inventors:
SUDOU, Yasuhiro (())
須藤 康浩 (())
Application Number:
JP2007/065714
Publication Date:
February 14, 2008
Filing Date:
August 10, 2007
Export Citation:
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Assignee:
Mitsui Chemicals, Inc. (5-2 Higashi-Shimbashi 1-chome, Minato-ku Tokyo, 17, 1057117, JP)
三井化学株式会社 (〒17 東京都港区東新橋1丁目5番2号 Tokyo, 1057117, JP)
SUDOU, Yasuhiro (())
International Classes:
H01M2/16; H01G9/02
Attorney, Agent or Firm:
WASHIDA, Kimihito (5th Floor, Shintoshicenter Bldg.24-1, Tsurumaki 1-chom, Tama-shi Tokyo 34, 2060034, JP)
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