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1.发明公开公开(公告)号：US20230343966A1
公开(公告)日：2023-10-26
申请号：US18342729
申请日：2023-06-27
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Hongfeng YANG , Yanhuang FAN , Lei ZHANG
CPC classification number: H01M4/628 , H01M4/0404 , H01M4/0435
Abstract: An electrode sheet includes a current collector, a membrane layer including an active substance, and an insulating protective layer covering the membrane layer. The insulating protective layer includes a hole for ion migration in the active substance and preventing a separation of the active substance.
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2.发明公开公开(公告)号：US20240128460A1
公开(公告)日：2024-04-18
申请号：US18532908
申请日：2023-12-07
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Lingyun FENG , Yanhuang FAN
CPC classification number: H01M4/623 , H01M4/0404 , H01M4/5825 , H01M4/625 , H01M10/0525 , H01M2220/20
Abstract: 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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Patent Agency Ranking
公开(公告)号：US20240149485A1
公开(公告)日：2024-05-09
申请号：US18309594
申请日：2023-04-28
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Hailian WU , Qi ZHANG , Xijie GAO , Yanhuang FAN , Caixia HUANG
Abstract: An electrode plate slitting cutter holder includes a frame, an upper cutter holder, and a lower cutter holder. Two ends of the upper cutter holder are rotatably connected to the frame. The lower cutter holder is located below the upper cutter holder and arranged parallel to the upper cutter holder. Two ends of the lower cutter holder are rotatably connected to the frame. One of the upper cutter holder and the lower cutter holder is provided with a double-edged cutter, and another one of the upper cutter holder and the lower cutter holder is provided with a cutter groove corresponding to a position of the double-edged cutter and configured to cooperate with the double-edged cutter.
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公开(公告)号：US20230420677A1
公开(公告)日：2023-12-28
申请号：US18222503
申请日：2023-07-17
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Huihui LIU , Lingyun FENG , Yanhuang FAN , Wenmeng ZHANG
CPC classification number: H01M4/602 , H01M4/505 , H01M4/5825 , H01M2004/028 , H01M4/366 , H01M4/622 , H01M10/052 , H01M4/583
Abstract: The present application provides a positive electrode plate, a secondary battery and a power consuming device. The positive electrode plate may comprise 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 may include a positive electrode film layer comprising a positive electrode active material with a core-shell structure, the positive electrode active material may comprise an inner core and a shell coating the inner core, and the conductive primer layer may comprise a first polymer, a first water-based binder and a first conductive agent.
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公开(公告)号：US20230361273A1
公开(公告)日：2023-11-09
申请号：US18354618
申请日：2023-07-18
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Huihui LIU , Lingyun FENG , Yanhuang FAN , Lianwei DUAN
CPC classification number: H01M4/136 , H01M4/5825 , H01M4/366 , H01M4/583 , H01M4/622 , H01M4/625 , H01M2004/028
Abstract: A positive electrode plate includes 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. The positive electrode film layer includes a positive electrode active material including an inner core and a shell coating the inner core. The shell includes 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. The conductive undercoat layer includes a polymer, an aqueous binder, and a conductive agent.
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公开(公告)号：US20230420668A1
公开(公告)日：2023-12-28
申请号：US18461507
申请日：2023-09-06
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yanhuang FAN , Lingyun FENG
CPC classification number: H01M4/505 , H01M4/622 , H01M4/625 , H01M4/0404 , H01M2004/028
Abstract: A positive electrode active material composition includes a positive electrode active material and a dispersant. The positive electrode active material has a chemical formula of LiaAxMn1-yByP1-zCzO4-nDn and is electrically neutral, and the dispersant includes a polymer.
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公开(公告)号：US20230361272A1
公开(公告)日：2023-11-09
申请号：US18354610
申请日：2023-07-18
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Lingyun FENG , Huihui LIU , Yanhuang FAN , Wei FENG
CPC classification number: H01M4/136 , H01M4/5825 , H01M4/366 , H01M4/622 , H01M4/625 , H01M2004/021
Abstract: A positive electrode plate includes 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. The positive electrode film layer includes a positive electrode active material having a chemical formula of LiaAxMn1-yByP1-zCzO4-nDn, and the conductive primer layer includes a first polymer, a first water-based binder and a first conductive agent.
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