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11.发明公开
公开(公告)号：EP4290670A1
公开(公告)日：2023-12-13
申请号：EP23178480.2
申请日：2023-06-09
IPC分类号： H01M50/489 , H01M50/403 , H01M10/0525 , H01M50/443 , H01M50/446 , H01M50/449 , H01M50/42 , H01M50/457
摘要： The present invention relates to a separator, a method of manufacturing the separator, and an electrochemical device including the separator. An exemplary embodiment of the present invention may provide a separator including: a porous substrate; an inorganic particle layer provided on at least one surface of the porous substrate; and a heat fusion layer provided on at least one surface of the inorganic particle layer, wherein a surface gloss value at 60°C of a surface of the heat fusion layer is 10 GU or more.
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12.发明公开
公开(公告)号：EP4290634A1
公开(公告)日：2023-12-13
申请号：EP23178472.9
申请日：2023-06-09
发明人： KIM, Yun Bong , CHO, Kyu Young , KWON, Tae Wook , BAE, Heung Taek
IPC分类号： H01M10/0525 , H01M50/403 , H01M50/443 , H01M50/446 , H01M50/449
摘要： The present invention relates to a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an exemplary embodiment of the present invention, a separator includes: a porous substrate; and an inorganic particle layer formed on at least one surface of the porous substrate, wherein a release rate of the inorganic particle layer represented by the following Formula (1) is 70% or more when measured by immersing the separator in a water tank at room temperature and then subjecting the separator to sonication under conditions of a frequency of 40 kHz, an output of 1,000 W, and an application time of 60 seconds: w i − w f / w c ∗ 100 wherein
w i is a weight of the separator before the sonication,
w f is a weight of the separator after the sonication, and
w c is a weight of the inorganic particle layer before the sonication.
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