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Patent Searching and Data


Title:
SEPARATOR FOR ALKALI BATTERIES
Document Type and Number:
Japanese Patent JP2014179249
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a separator for alkali batteries which is made of wet type nonwoven fabric, and which is superior in the uniformity of air permeability, large in tensile strength, and high in liquid retentivity, hard to cause a short circuit, and high in heat seal bonding strength.SOLUTION: A separator for alkali batteries comprises a wet type nonwoven fabric which includes polyolefin fiber having an average fiber diameter of 5.0-8.0 μm, exclusive of 5.0 μm, and polyolefin fiber having an average fiber diameter of 8.0-13.0 μm, exclusive of 8.0 μm.

Inventors:
OYAMA KEISUKE
SHIGEMATSU TOSHIHIRO
HIROTA NOBUAKI
Application Number:
JP2013052726A
Publication Date:
September 25, 2014
Filing Date:
March 15, 2013
Export Citation:
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Assignee:
MITSUBISHI PAPER MILLS LTD
International Classes:
H01M2/16; D04H1/4291; D06M10/02; D06M14/10