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公开(公告)号：EP4404367A2
公开(公告)日：2024-07-24
申请号：EP24181073.8
申请日：2019-06-21
发明人： Park, Su-Jin , Kim, Chan-Jong , Lee, Sang-Joon
IPC分类号： H01M50/443
CPC分类号： H01M10/052 , H01G11/52 , Y02E60/10 , H01M50/403 , H01M50/417 , H01M50/446 , H01M50/451 , H01M50/457 , H01M50/489 , H01M50/491 , H01G9/02 , H01M50/409 , H01M50/443
摘要： Provided is a separator for an electrochemical device. The separator includes a porous substrate made of a porous polymer film having an excellent compressibility and permanent strain, wherein the porous substrate has excellent physical strength and durability and ensures a high breakdown voltage while using a heat resistant layer having a small thickness, and thus shows a low possibility of short-circuit generation. In addition, the separator may further include a heat resistant layer including inorganic particles, on the surface of the porous substrate. Herein, it is possible to further improve the compressibility, maximum compressibility and permanent strain characteristics depending on types of inorganic particles.
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公开(公告)号：EP4404367A3
公开(公告)日：2024-08-07
申请号：EP24181073.8
申请日：2019-06-21
发明人： Park, Su-Jin , Kim, Chan-Jong , Lee, Sang-Joon
IPC分类号： H01M50/489 , H01M10/052 , H01G11/52 , H01M50/403 , H01M50/417 , H01M50/446 , H01M50/451 , H01M50/457 , H01M50/491 , H01G9/02 , H01M50/409 , H01M50/443
CPC分类号： H01M10/052 , H01G11/52 , Y02E60/10 , H01M50/403 , H01M50/417 , H01M50/446 , H01M50/451 , H01M50/457 , H01M50/489 , H01M50/491 , H01G9/02 , H01M50/409 , H01M50/443
摘要： Provided is a separator for an electrochemical device. The separator includes a porous substrate made of a porous polymer film having an excellent compressibility and permanent strain, wherein the porous substrate has excellent physical strength and durability and ensures a high breakdown voltage while using a heat resistant layer having a small thickness, and thus shows a low possibility of short-circuit generation. In addition, the separator may further include a heat resistant layer including inorganic particles, on the surface of the porous substrate. Herein, it is possible to further improve the compressibility, maximum compressibility and permanent strain characteristics depending on types of inorganic particles.
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