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61.发明公开
公开(公告)号：EP4383439A1
公开(公告)日：2024-06-12
申请号：EP23205082.3
申请日：2023-10-23
发明人： GU, Jayeon , CHOI, Yeonjoo , KIM, Gain , PARK, Sanghyun
IPC分类号： H01M50/446 , H01M50/457 , H01M50/443 , H01M50/42 , H01M50/426 , H01M50/431 , H01M50/46 , H01M50/417 , H01M10/0525
CPC分类号： H01M10/0525 , H01M50/457 , H01M50/446 , H01M50/417 , H01M50/431 , H01M50/42 , H01M50/426 , H01M50/443 , H01M50/461
摘要： Disclosed is a separator for a rechargeable lithium battery comprising a substrate, a heat resistance layer and an adhesive layer sequentially on one surface of the substrate. The heat resistant layer includes three-dimensional structured particles and wire-type particles. An average particle diameter (D50) of the three-dimensional structured particles is 100 nm to 1,000 nm measured by laser diffraction. An average length of the wire-type particles is 100 nm to 3 µm and an average diameter of the wire-type particles is 1 nm to 100 nm, wherein the average length and the average diameter of the wire-type particles are each independently, the average length and the average diameter measured by scanning electronic microscope (SEM) analysis. The average length of the wire-type particles is at least 5 times as large as its average diameter, and a ratio of the average length of the wire-type particles and the average diameter of the three-dimensional structured particles is 30:1 to 1:10. The adhesive layer includes an adhesive binder.
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62.发明公开
公开(公告)号：EP4376202A1
公开(公告)日：2024-05-29
申请号：EP23744028.4
申请日：2023-04-25
发明人： XUE, Shan , BAI, Yaozong , JIA, Guozhong , LIU, Zhigang , ZHENG, Lei , DONG, Qiuchun , XUE, Yunqing , MA, Yuan , WU, Qiyang , MENG, Xianggan , ZHANG, Xujie , LIU, Gaojun
IPC分类号： H01M50/417 , H01M50/403
摘要： The present disclosure relates to the technical field of separators for electrochemical devices, and discloses a polyolefin porous film and a preparation method therefor, a battery separator, and an electrochemical device. The polyolefin porous film of the present disclosure has a network fiber structure, and when observed in a 20,000×SEM image, and the polyolefin porous film has the following characteristics: (1) within a circle having a radius of 1000 nm, a fiber orientation result R_MD of fibers having a fiber diameter of greater than 15 nm in a machine direction (MD) satisfies: (R_MD)2
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公开(公告)号：EP4369454A1
公开(公告)日：2024-05-15
申请号：EP22876160.7
申请日：2022-09-27
申请人： Maxell, Ltd.
IPC分类号： H01M10/0562 , H01M6/18 , H01M10/0585 , H01M50/417 , H01M50/42 , H01M50/423 , H01M50/429 , H01M50/434 , H01M50/44 , H01M50/46 , H01M50/489
CPC分类号： H01M50/42 , H01M50/423 , H01M50/489 , H01M50/434 , H01M6/18 , H01M50/46 , H01M10/0562 , H01M50/417 , H01M10/0585 , H01M50/429 , H01M50/44
摘要： Provided is an all-solid-state battery with high productivity. An all-solid-state battery according to the present invention relates to Goals 3, 7, 11, and 12 of SDGs. An all-solid-state battery according to the present invention includes a stacked body provided with a positive electrode, a negative electrode, and a solid electrolyte sheet interposed between the positive electrode and the negative electrode, in which the solid electrolyte sheet contains a porous substrate and a solid electrolyte, the solid electrolyte is retained in pores of the porous substrate, both surfaces of the porous substrate are covered with the solid electrolyte, and in the solid electrolyte sheet, the porous substrate is located biased toward the positive electrode in a thickness direction of the solid electrolyte sheet, and the solid electrolyte sheet has a thickness of 50 µm or less.
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64.发明公开
公开(公告)号：EP4362199A1
公开(公告)日：2024-05-01
申请号：EP23206552.4
申请日：2023-10-27
申请人： SK On Co., Ltd.
发明人： HWANG, Chang Mook , KIM, Hyun Ji , LEE, Jong Hyeok , JO, Yoon Ji
IPC分类号： H01M50/403 , H01M50/411 , H01M50/431 , H01M50/434 , H01M50/443 , H01M50/491 , H01M10/052 , H01M50/417
CPC分类号： H01M50/403 , H01M50/431 , H01M50/434 , H01M10/052 , H01M50/443 , H01M50/491 , H01M50/411 , H01M50/417
摘要： Provided are a separator for a secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, having appropriate porosity and an appropriate pore size to lead to excellent strength and safety, and having excellent ion conductivity and resistance characteristics due to interconnected pore passages.
The manufacturing method of a separator for a secondary battery includes: molding a separator manufacturing composition into a separator manufacturing sheet; and extracting a diluent from the separator manufacturing sheet with a polar aprotic organic solvent.-
公开(公告)号：EP4362165A1
公开(公告)日：2024-05-01
申请号：EP23206313.1
申请日：2023-10-27
申请人： Zinc System srls
发明人： Ranchella, Francesco
IPC分类号： H01M10/24 , H01M10/26 , H01M10/28 , H01M4/48 , H01M4/32 , H01M4/34 , H01M4/36 , H01M4/50 , H01M4/52 , H01M4/62 , H01M50/414 , H01M50/417 , H01M50/429 , H01M50/449 , H01M50/474 , H01M50/486
CPC分类号： H01M10/26 , H01M4/32 , H01M4/34 , H01M4/364 , H01M4/62 , H01M4/625 , H01M50/4295 , H01M50/414 , H01M50/417 , H01M50/449 , H01M50/474 , H01M50/486 , H01M2300/009120130101 , H01M2300/001420130101 , H01M2220/1020130101 , H01M2220/2020130101 , H01M10/24 , H01M4/48 , H01M4/50 , H01M4/52 , H01M10/28
摘要： An improved electrolytic cell (1) comprising:
- a container body (2);
- an amount of alkaline electrolytic aqueous solution (3), contained in the container body (2) and free to occupy the container body (2);
- at least one negative electrode (4), comprising a first support (41) configured as a microperforated pocket and a first reactant material (42) supported by the first support (4), the at least one negative electrode (4) being arranged in the container body (2) at least partially immersed in the alkaline electrolytic aqueous solution (3) so that the first reactant material (42) comes into contact with the alkaline electrolytic aqueous solution (3);
- at least one positive electrode (5), comprising a second support (51) configured as a microperforated pocket and a second reagent material (52) supported by the second support (51), the at least one positive electrode (5) being arranged in the container body (2) at least partially immersed in the alkaline electrolytic aqueous solution (3) so that the second reagent material (52) contacts the alkaline electrolytic aqueous solution (3); and
- at least one polymeric membrane (6) interposed between the at least one negative electrode (4) and the at least one positive electrode (5), the at least one polymeric membrane also being at least partially immersed in the alkaline electrolytic aqueous solution (3);
wherein
the first reagent material (42) comprises one between Copper oxide or metallic Copper powder, and the second reactant material (52) comprises one material selected from Nickel hydroxide, Cobalt hydroxide, Silver oxide, Manganese dioxide or mixtures thereof, and the at least one polymeric membrane (6) is semi-permeable to OH- and H+ ions.-
公开(公告)号：EP4361185A1
公开(公告)日：2024-05-01
申请号：EP22828487.3
申请日：2022-06-23
发明人： YOKOYAMA, Haruka , SHIKATA, Kazuya
IPC分类号： C08F10/02 , H01M50/406 , H01M50/417
CPC分类号： C08F10/02 , H01M50/406 , H01M50/417 , Y02E60/10
摘要： A polyethylene powder having a viscosity-average molecular weight of 200,000 or more and 10,000,000 or less, wherein complex viscosity under predetermined conditions for measurement of slurry viscoelasticity satisfies the following formula (1): -25.0 × 104
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公开(公告)号：EP3960421B1
公开(公告)日：2024-05-01
申请号：EP20891019.0
申请日：2020-03-26
IPC分类号： B29C48/00 , B29C48/08 , B29C55/14 , B29C55/16 , B29D7/01 , B29L31/00 , H01M50/403 , H01M50/417
CPC分类号： B29C55/143 , B29C55/16 , B29C55/165 , H01M50/403 , H01M50/417 , B29D7/01 , B29K2023/0420130101 , B29L2031/75520130101 , B29C48/022 , B29C48/08 , B29C48/0018 , Y02E60/10
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公开(公告)号：EP4160804B1
公开(公告)日：2024-04-24
申请号：EP22190076.4
申请日：2022-08-11
IPC分类号： H01M50/403 , H01M10/0525 , H01M50/417 , H01M50/434 , H01M50/44 , H01M50/446 , H01M50/449
CPC分类号： Y02E60/10 , H01M50/403 , H01M50/417 , H01M50/44 , H01M50/446 , H01M50/449 , H01M50/434 , H01M10/0525
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公开(公告)号：EP4342023A1
公开(公告)日：2024-03-27
申请号：EP21941016.4
申请日：2021-11-02
申请人： UOP LLC
发明人： LIU, Chunqing , BA, Chaoyi , DONG, Xueliang
IPC分类号： H01M50/403 , H01M50/417 , H01M50/431 , H01M8/18
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70.发明公开
公开(公告)号：EP4300696A3
公开(公告)日：2024-03-27
申请号：EP23178461.2
申请日：2023-06-09
IPC分类号： H01M50/403 , H01M10/0525 , H01M50/443 , H01M50/446 , H01M50/489 , H01M10/052 , H01M50/417 , H01M50/431 , H01M50/434 , H01M50/449 , H01M50/451
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 provided on at least one surface of the porous substrate, wherein the inorganic particle layer includes inorganic particles and a hydrolytic condensate of a silane compound, and the separator satisfies the following Relation (1): T 1 − T 0 ≥ 30 % wherein T 0 is a light transmittance measured by allowing the separator to stand at 25°C for 1 hour and then vertically spacing the separator apart from a halogen lamp with a rated voltage of 12 V and a power consumption of 50 W by 100 mm, and T 1 is a light transmittance measured by allowing the separator to stand at 150°C for 1 hour and then vertically spacing the separator apart from a halogen lamp with a rated voltage of 12 V and a power consumption of 50 W by 100 mm.
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