公开(公告)号：EP4443630A3

公开(公告)日：2024-10-30

申请号：EP24172681.9

申请日：2020-11-30

申请人： Contemporary Amperex Technology (Hong Kong) Limited

发明人： CHENG, Cong ,  HONG, Haiyi ,  LAN, Yuanyuan ,  YANG, Jianrui ,  LIU, Na ,  JIN, Haizu

IPC分类号： H01M50/446 ,  H01M50/451 ,  H01M50/403 ,  H01M50/417 ,  H01M50/42 ,  H01M50/449 ,  H01M50/489 ,  H01M10/42 ,  H01M50/414 ,  H01M50/431 ,  H01M50/491 ,  H01M50/494 ,  H01M50/443

摘要： The present application relates to a separator in the electrochemical field and a preparation method therefor, and to a secondary battery comprising the separator, a device comprising the secondary battery. The separator of the present application is prepared by a simple process and has excellent heat resistance performance. Moreover, the secondary batteries and devices comprising the separator of the present application have good safety performance and cycling performance.

公开(公告)号：EP4369450A3

公开(公告)日：2024-10-02

申请号：EP23201845.7

申请日：2023-10-05

申请人： Samsung SDI Co., Ltd.

发明人： Kim, Hana ,  Kim, Soohee ,  Kim, Byung-Soo ,  Lee, Yeonho

IPC分类号： H01M10/052 ,  H01M50/417 ,  H01M50/42 ,  H01M50/423 ,  H01M50/426 ,  H01M50/434 ,  H01M50/443 ,  H01M50/446 ,  H01M50/451 ,  H01M50/457

CPC分类号： H01M10/052 ,  H01M50/417 ,  H01M50/423 ,  H01M50/426 ,  H01M50/42 ,  H01M50/434 ,  H01M50/443 ,  H01M50/446 ,  H01M50/457 ,  H01M50/451 ,  Y02E60/10

摘要： A separator for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. In an embodiment, provided is a separator for a rechargeable lithium battery including a heat resistant layer and an adhesive layer which are sequentially formed on at least one surface of a substrate, wherein the heat resistant layer includes a ceramic, the adhesive layer includes an adhesive binder and an organic filler, and the adhesive binder includes a polymer having an interpenetrating polymer network (IPN) structure.

公开(公告)号：EP4425681A3

公开(公告)日：2024-09-18

申请号：EP24153096.3

申请日：2024-01-22

申请人： LG Energy Solution, Ltd.

发明人： KA, Kyung Ryun ,  SUNG, Dong Wook ,  KIM, Min Ji ,  LEE, Seung Hyun ,  HWANG, Seon Woo

IPC分类号： H01M50/446 ,  H01M50/403 ,  H01M50/417 ,  H01M50/42 ,  H01M50/426 ,  H01M50/443 ,  H01M50/449 ,  H01M50/489 ,  H01M10/052

CPC分类号： H01M10/052 ,  H01M50/403 ,  H01M50/446 ,  H01M50/449 ,  H01M50/443 ,  H01M50/417 ,  H01M50/42 ,  H01M50/426 ,  H01M50/489

摘要： The present disclosure relates to a separator for an electrochemical device, an electrochemical device comprising the same, and a method for manufacturing the same, and specifically, to a separator for an electrochemical device, which can improve resistance and maintain porosity after lamination by including a polyvinylidene-based binder containing a low content of hexafluoropropylene and/or a polyolefin-based binder, an electrochemical device comprising the same, and a method for manufacturing the same.

公开(公告)号：EP3859823B1

公开(公告)日：2024-09-11

申请号：EP20801822.6

申请日：2020-04-28

IPC分类号： H01M10/052 ,  H01M50/414 ,  H01M50/451 ,  H01M50/403 ,  H01M50/431 ,  H01M50/449 ,  H01M50/417 ,  H01M50/489

CPC分类号： Y02E60/10 ,  H01M10/052 ,  H01M50/417 ,  H01M50/449 ,  H01M50/403 ,  H01M50/489 ,  H01M50/431 ,  H01M50/451 ,  H01M50/414

公开(公告)号：EP4425682A1

公开(公告)日：2024-09-04

申请号：EP24174823.5

申请日：2019-10-11

申请人： Asahi Kasei Kabushiki Kaisha

发明人： Zhang, Xun ,  Kuroki, Ryo ,  Fukunaga, Yuki ,  Kobayashi, Hiromi ,  Saito, Mitsuko

IPC分类号： H01M50/489 ,  H01M50/449 ,  H01M50/446 ,  H01M50/417 ,  C08J3/24 ,  C08J9/36 ,  H01G11/52 ,  H01M10/052 ,  H01M10/0566 ,  H01M10/0585 ,  H01M10/0587 ,  C08J9/28 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/0568 ,  H01M50/403 ,  H01M50/411 ,  H01M50/406 ,  H01M50/491 ,  H01M50/494

CPC分类号： H01G11/52 ,  H01M10/0568 ,  H01M10/0525 ,  H01M10/04 ,  H01M50/403 ,  C08J9/28 ,  C08J2201/05420130101 ,  C08J9/365 ,  C08J9/36 ,  C08J2201/050220130101 ,  C08J2323/0620130101 ,  C08J2483/1020130101 ,  C08J2383/1020130101 ,  C08J2423/0620130101 ,  C08J2423/1220130101 ,  C08J2423/3020130101 ,  C08J2423/3620130101 ,  H01M50/417 ,  H01M50/406 ,  H01M50/489 ,  Y02E60/10 ,  Y02P70/50

摘要： A separator for an electricity storage device comprising 5 to 40 weight% of a silane-modified polyolefin and 60 to 95 weight% of a polyolefin other than the silane-modified polyolefin, wherein the transition temperature, determined as described in the specification, is 135°C to 150°C for the rubber plateau and the crystal melt flow region, in the temperature-dependent change of the storage modulus of the separator for an electricity storage device.

公开(公告)号：EP3719867B1

公开(公告)日：2024-08-28

申请号：EP18883270.3

申请日：2018-11-02

IPC分类号： H01M10/058 ,  H01M10/052 ,  H01M50/417 ,  H01M50/423 ,  H01M50/434 ,  H01M50/451 ,  H01M50/457 ,  H01M50/431 ,  H01M50/446

CPC分类号： H01M10/058 ,  Y02E60/10 ,  H01M10/052 ,  H01M50/431 ,  H01M50/446 ,  Y02P70/50 ,  H01M50/417 ,  H01M50/451 ,  H01M50/457 ,  H01M50/434 ,  H01M50/423

公开(公告)号：EP4270625A3

公开(公告)日：2024-07-10

申请号：EP23165764.4

申请日：2023-03-31

申请人： SK Innovation Co., Ltd. ,  SK ie technology Co., Ltd.

发明人： KIM, Yun Bong ,  CHO, Kyu Young ,  PARK, Jong Sang ,  LEE, Hye Jin

IPC分类号： H01M10/54 ,  H01M50/417 ,  H01M50/443 ,  H01M50/449 ,  B29B17/02 ,  H01M50/431 ,  H01M50/403 ,  H01M50/446

CPC分类号： H01M50/431 ,  H01M50/403 ,  H01M10/54 ,  H01M50/443 ,  H01M50/449 ,  H01M50/417 ,  B29B17/02 ,  B29B2017/028920130101 ,  H01M50/446 ,  B29B2017/021720130101 ,  B29B17/0026 ,  B29L2009/00520130101 ,  B29K2023/0020130101 ,  B29L2031/75520130101

摘要： Provided is a method of continuously regenerating a waste separator including inorganic particles. According to an exemplary embodiment of the present invention, a method of continuously regenerating a waste separator including inorganic particles including: impregnating a waste separator of which at least a part of the surface is coated with a coating layer including inorganic particles in a water tank, and then performing a surface polishing treatment to release the coating layer coated on the surface of the waste separator; and drying the waste separator from which the coating layer has been released may be provided.

公开(公告)号：EP4394974A1

公开(公告)日：2024-07-03

申请号：EP23206290.1

申请日：2023-10-27

申请人： Samsung SDI Co., Ltd.

发明人： KIM, Gain ,  CHOI, Yeonjoo ,  GU, Jayeon ,  PARK, Sanghyun

IPC分类号： H01M10/0525 ,  H01M50/417 ,  H01M50/42 ,  H01M50/426 ,  H01M50/431 ,  H01M50/443 ,  H01M50/446 ,  H01M50/451

CPC分类号： H01M10/0525 ,  H01M50/417 ,  H01M50/42 ,  H01M50/446 ,  H01M50/426 ,  H01M50/431 ,  H01M50/443 ,  H01M50/451

摘要： A separator for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. For example, provided is a separator for a rechargeable lithium battery including a substrate and a coating layer on at least one surface of the substrate; the coating layer includes three-dimensional structured particles including an organic filler; and wire-type particles. An average length (D50) of the wire-type particles is at least 5 times as large as their average diameter (D50) measured by scanning electronic microscope (SEM) analysis.

公开(公告)号：EP4372848A3

公开(公告)日：2024-07-03

申请号：EP23210827.4

申请日：2023-11-20

申请人： II-VI Delaware, Inc.

发明人： Xu, Wen-Qing ,  Masarapu, Charan ,  Lu, Xinyu ,  Du Hill, Linze ,  Gao, Zan ,  Li, Xiaoming

IPC分类号： H01M4/58 ,  H01M10/0568 ,  H01M50/417

CPC分类号： H01M50/417 ,  H01M10/0568 ,  H01M4/581 ,  Y02E60/10 ,  H01M10/052 ,  H01M50/489 ,  H01M10/44 ,  H01M4/5815 ,  H01M50/414 ,  H01M4/382

摘要： An electrochemical device including: an anode, a cathode, an electrolyte, and a separator separating the anode from the cathode. The separator includes a material that includes at least one of: a linear polymer; a kinetic friction coefficient of up to 2.0; an elongation of at least 240, elongation defined as elongation at break; a ratio of elongation to thickness of at least 10; and/or a modulus of elasticity of up to 270 MPa.

公开(公告)号：EP4386964A1

公开(公告)日：2024-06-19

申请号：EP23205210.0

申请日：2023-10-23

申请人： Samsung SDI Co., Ltd.

发明人： CHOI, Yeonjoo ,  GU, Jayeon ,  KIM, Gain ,  PARK, Sanghyun

IPC分类号： H01M50/417 ,  H01M50/443 ,  H01M50/449 ,  H01M50/446 ,  H01M50/457 ,  H01M50/451 ,  H01M50/42 ,  H01M50/426 ,  H01M50/431 ,  H01M50/489 ,  H01M10/0525

CPC分类号： H01M50/446 ,  H01M50/457 ,  H01M50/443 ,  H01M50/417 ,  H01M50/42 ,  H01M50/426 ,  H01M50/431 ,  H01M10/0525 ,  H01M50/451 ,  H01M50/489

摘要： Disclosed are a separator for a rechargeable lithium battery and a rechargeable lithium battery including the same. For example, in an embodiment, the separator for a rechargeable lithium battery includes a substrate and a heat resistant layer on at least one surface of the substrate; wherein the heat resistant layer includes shutdown filler under, inside, or on the heat resistant layer, or two or more thereof.