发明名称 |
UNWOVEN FABRIC BASE MATERIAL FOR LITHIUM ION SECONDARY BATTERY SEPARATOR |
摘要 |
PROBLEM TO BE SOLVED: To provide a base material through which a coating liquid is difficult to exudate to a back surface when applying the coating liquid containing an inorganic pigment in an unwoven fabric base material used for a lithium ion secondary battery separator.SOLUTION: The unwoven fabric base material for a lithium ion secondary battery separator is mainly composed of polyethylene terephthalate fiber, wherein the thickness is 30 μm or less, the density defined by basis weight/thickness is 0.55 g/cmor less, and the tensile strength is 800 N/m or over. |
申请公布号 |
JP2014067667(A) |
申请公布日期 |
2014.04.17 |
申请号 |
JP20120213782 |
申请日期 |
2012.09.27 |
申请人 |
MITSUBISHI PAPER MILLS LTD |
发明人 |
SATO TOMOHIRO;HYODO KENJI |
分类号 |
H01M2/16;D04H1/435;D04H1/55;D21H13/24 |
主分类号 |
H01M2/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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