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公开(公告)号：EP4280309A1
公开(公告)日：2023-11-22
申请号：EP22919266.1
申请日：2022-03-31
发明人： LIU, Huihui , FENG, Lingyun , FAN, Yanhuang , DUAN, Lianwei
IPC分类号： H01M4/58 , H01M4/62 , H01M10/0525
摘要： The present application provides a positive electrode plate, a secondary battery, and a power consuming device. The positive electrode plate comprises a positive electrode current collector, a positive electrode film layer arranged on at least one surface of the positive electrode current collector, and a conductive undercoat layer positioned between the positive electrode current collector and the positive electrode film layer, wherein the positive electrode film layer comprises the positive electrode film layer comprises a positive electrode active material having a core-shell structure, with the positive electrode active material comprising an inner core and a shell coating the inner core, wherein the shell comprises a first coating layer coating the inner core, a second coating layer coating the first coating layer, and a third coating layer coating the second coating layer; and the conductive undercoat layer comprises a first polymer, a first aqueous binder, and a first conductive agent.
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2.发明公开
公开(公告)号：EP4246610A1
公开(公告)日：2023-09-20
申请号：EP22882538.6
申请日：2022-09-20
发明人： YANG, Hongfeng , FAN, Yanhuang , ZHANG, Lei
IPC分类号： H01M4/13
摘要： The present application provides a pole piece, an assembly, a cell, a battery, an electronic device, and a pole piece manufacturing method and system. The pole piece comprises: a current collector; a diaphragm layer, which comprises an active substance; and an insulating protective layer, which covers the diaphragm layer. The insulating protective layer comprises a hole for ion migration in the active substance and for preventing the active substance from separating.
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公开(公告)号：EP4290622A1
公开(公告)日：2023-12-13
申请号：EP22929212.3
申请日：2022-04-01
发明人： FENG, Lingyun , FAN, Yanhuang
IPC分类号： H01M4/62
摘要： The present application provides a cathode active material composition, a cathode plate, a secondary battery, a battery module, a battery pack, and an electric device. In particular, the present application provides a cathode active material composition, including a cathode active material and a dispersant. The cathode active material composition of the present application can improve the poor dispersion of the cathode active material powder and the high viscosity of the slurry during the preparation of the cathode slurry, and further improve flexibility of the cathode plate.
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公开(公告)号：EP4276948A1
公开(公告)日：2023-11-15
申请号：EP22917636.7
申请日：2022-03-31
发明人： FENG, Lingyun , LIU, Huihui , FAN, Yanhuang , FENG, Wei
IPC分类号： H01M4/36
摘要： The present application provides a positive electrode plate, a secondary battery and a power consuming device. The positive electrode plate comprises a positive electrode current collector, a positive electrode film layer provided on at least one surface of the positive electrode current collector, and a conductive undercoat layer between the positive electrode current collector and the positive electrode film layer, wherein the positive electrode film layer comprises a positive electrode active material of a chemical formula of Li a A x Mn 1-y B y P 1-z C z O 4-n D n , and the conductive primer layer comprises a first polymer, a first water-based binder and a first conductive agent.
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5.发明公开
公开(公告)号：EP4404307A1
公开(公告)日：2024-07-24
申请号：EP22934331.4
申请日：2022-04-01
发明人： FENG, Lingyun , FAN, Yanhuang
IPC分类号： H01M4/62 , H01M10/0525
CPC分类号： H01M10/0525 , H01M4/62 , Y02E60/10 , H01M4/625 , H01M4/0404 , H01M4/5825 , H01M2004/02120130101 , H01M4/623 , H01M2004/02820130101 , H01M4/622 , H01M4/131 , H01M4/525 , H01M4/366 , H01M4/136 , H01M4/13 , H01M4/1391
摘要： This application provides a dispersant composite, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. In particular, this application provides a dispersant composite including a dispersant and a wetting agent. The dispersant composite of this application can alleviate the problems of poor dispersion of positive electrode active material powder and high slurry viscosity during preparation of a positive electrode slurry, and further, can improve flexibility of the positive electrode plate.
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公开(公告)号：EP4364877A1
公开(公告)日：2024-05-08
申请号：EP23165963.2
申请日：2023-03-31
发明人： WU, Hailian , ZHANG, Qi , GAO, Xijie , FAN, Yanhuang , HUANG, Caixia
IPC分类号： B23D19/00
CPC分类号： Y02E60/10 , B26D1/225 , B23D19/00 , B23D35/004 , B23D35/007 , B26D1/151 , B26D7/1863 , B26D7/204
摘要： The present invention relates to the technical field of battery manufacturing, and provides an electrode plate slitting cutter (100) and an electrode plate slitting machine. The electrode plate slitting cutter (100) comprises: a frame; an upper cutter roller (20), two ends of the upper cutter roller (20) being rotatably connected to the frame; and a lower cutter roller (30), the lower cutter roller (30) being located below the upper cutter roller (20) and arranged in parallel with the upper cutter roller (20), and two ends of the lower cutter roller (30) being rotatably connected to the frame, wherein one of the upper cutter roller (20) and the lower cutter roller (30) is provided with a double-edged cutter, and the other is provided with a cutter groove (221) corresponding to a position of the double-edged cutter.
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公开(公告)号：EP4397413A1
公开(公告)日：2024-07-10
申请号：EP22908814.1
申请日：2022-11-25
发明人： WANG, Zilei , ZHANG, Qi , ZHUO, Xuesong , FAN, Yanhuang , HUANG, Caixia
CPC分类号： B03C1/12 , B03C1/145 , B03C1/30 , B03C2201/1820130101 , B03C2201/2220130101 , B03C2201/2820130101
摘要： Disclosed are a separation device (100) and a material separation method. The separation device (100) includes a rack (10), a turntable (20), and a magnetic element (30). The turntable (20) is rotatably disposed on the rack (10). The magnetic element (30) is disposed on the turntable (20).
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公开(公告)号：EP4318670A1
公开(公告)日：2024-02-07
申请号：EP22934329.8
申请日：2022-04-01
发明人： FAN, Yanhuang , FENG, Lingyun
摘要： The present application provides a positive electrode active material composition, a positive electrode plate, a secondary battery, a battery module, a battery pack and an electric device. In particular, the present application provides a positive electrode active material composition including a positive electrode active material and a dispersant. The positive electrode active material composition of the present application can improve the problems of poor dispersion of the positive electrode active material powder and high viscosity of the slurry during the preparation of the positive electrode slurry, and can further improve the flexibility of the positive electrode plate.
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公开(公告)号：EP4280311A1
公开(公告)日：2023-11-22
申请号：EP22925227.5
申请日：2022-04-01
发明人： FENG, Lingyun , FAN, Yanhuang
IPC分类号： H01M4/58 , H01M4/62 , H01M10/0525
摘要： The present application provides a positive electrode active material composition, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric device. In particular, the present application provides a positive electrode active material composition, including a positive electrode active material and a dispersant. The positive electrode active material composition of the present application can improve the poor dispersion of the positive electrode active material powder and the high viscosity of the slurry during the preparation of the positive electrode slurry, and further improve flexibility of the positive electrode plate.
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公开(公告)号：EP4280308A1
公开(公告)日：2023-11-22
申请号：EP22917641.7
申请日：2022-03-31
发明人： LIU, Huihui , FENG, Lingyun , FAN, Yanhuang , ZHANG, Wenmeng
IPC分类号： H01M4/58 , H01M4/62 , H01M10/0525
摘要： The present application provides a positive electrode plate, a secondary battery and a power consuming device. The positive electrode plate comprises a positive electrode current collector, a positive electrode film layer provided on at least one surface of the positive electrode current collector, and a conductive undercoat layer between the positive electrode current collector and the positive electrode film layer, wherein the positive electrode film layer includes a positive electrode film layer comprising a positive electrode active material with a core-shell structure, the positive electrode active material comprises an inner core and a shell coating the inner core, and the conductive primer layer comprises a first polymer, a first water-based binder and a first conductive agent.
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