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1.发明公开公开(公告)号：US20240199267A1
公开(公告)日：2024-06-20
申请号：US18362330
申请日：2023-07-31
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Lin MA , Chunxu WU , Hongyuan LI , Ping JIANG , Gaofeng LU
IPC: B65C9/42
CPC classification number: B65C9/42 , B65C2009/404
Abstract: Disclosed are a pole piece labeling control method and device, electronic equipment, and a storage medium. The method includes: acquiring a pole piece image, including a pole piece mark hole image, of a target pole piece; determining a defect detection result according to the pole piece image; determining a first distance according to the pole piece mark hole image; determining a second distance according to the first distance; determining a labeling delay of the target pole piece according to the second distance; and controlling the labeling of the target pole piece according to the labeling delay and the defect detection result. The real-time position of the pole piece transferred on a compression roller is identified through the pole piece mark hole image, so that the accuracy of the labeling delay is improved, and the labeling position based on the labeling delay is more accurate.
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公开(公告)号：US20240193750A1
公开(公告)日：2024-06-13
申请号：US18229330
申请日：2023-08-02
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Lin MA , Ziyang SHEN , Zhipeng ZHANG , Ping JIANG , Gaofeng LU
IPC: G06T7/00 , B23K31/12 , H01M10/42 , H04N23/698 , H04N23/73 , H04N23/90 , H04N23/951
CPC classification number: G06T7/0004 , B23K31/125 , H01M10/42 , H04N23/698 , H04N23/73 , H04N23/90 , H04N23/951 , H01M50/169
Abstract: A detection method includes acquiring a first shot image of a long-side weld of a battery cell under detection by using a first structured light camera on a long side of the battery cell under detection, acquiring a second shot image of a short-side weld of the battery cell under detection by using a second structured light camera on the short side of the battery cell under detection, detecting a defect of the long-side weld of the battery cell under detection based on the first shot image, and detecting a defect of the short-side weld of the battery cell under detection based on the second shot image.
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公开(公告)号：US20230064943A1
公开(公告)日：2023-03-02
申请号：US17885671
申请日：2022-08-11
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Liangjin HU , Jinghua HUANG , Kunming ZHANG , Guannan JIANG , Lin MA
Abstract: This application provides an apparatus and method for detecting tab folds, and an image analyzer. The apparatus for detecting tab folds includes: a first image obtaining module, configured to obtain a first image of a first lateral face of tabs of a battery cell; a second image obtaining module, configured to obtain a second image of a second lateral face of the tabs, where the second lateral face is different from the first lateral face; and an image analyzer, configured to obtain, based on the first image, a first number of layers of the tabs corresponding to the first lateral face, and obtain, based on the second image, a second number of layers of the tabs corresponding to the second lateral face, and determine, based on at least one of the first number of layers or the second number of layers, whether the tabs are in a folded state.
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公开(公告)号：US20220158177A1
公开(公告)日：2022-05-19
申请号：US17587504
申请日：2022-01-28
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Shitong CHEN , Bin XIE , Zhao HU , Zhijie GONG , Wen LI , Lin MA
Abstract: A negative electrode plate, a lithium-ion battery and an apparatus are disclosed. The negative electrode plate includes a negative electrode current collector, a negative electrode active material layer including a negative electrode active material and disposed on at least one surface of the negative electrode current collector, and a lithium-replenishing layer disposed on a surface of the negative electrode active material layer away from the negative current collector. The negative electrode plate can effectively ameliorate the problem of plate heating, and channels formed by the lithium-replenishing region and the gap region can enable the lithium-ion battery to be effectively impregnated with the electrolyte after electrolyte injection is performed to the lithium-ion battery, thereby improving the energy density of the battery while also improving the service life and kinetic performance of the battery.
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公开(公告)号：US20220140311A1
公开(公告)日：2022-05-05
申请号：US17575164
申请日：2022-01-13
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Shitong CHEN , Zhijie GONG , Bin XIE , Lin MA
IPC: H01M4/04 , H01M4/1395
Abstract: A device for supplementing an electrode sheet with lithium and a method for supplementing electrode sheet with the lithium. The device includes two first rolling wheels, a second rolling wheel, a lithium ribbon providing mechanism, a first transfer film conveying mechanism, a second transfer film conveying mechanism and an electrode sheet providing mechanism; the two first rolling wheels are opposite each other, and the second rolling wheel is adjacent to the first rolling wheel; the lithium ribbon providing mechanism is used for feeding a lithium ribbon between the second rolling wheel and the first rolling wheel; the first transfer film conveying mechanism is used for conveying a first transfer film carrying a first release agent and transferring the first release agent to the lithium ribbon; the electrode sheet providing mechanism is used for providing the electrode sheet.
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Patent Agency Ranking
公开(公告)号：US20220123444A1
公开(公告)日：2022-04-21
申请号：US17565873
申请日：2021-12-30
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Huihui LIU , Hui GU , Jingyu CAO , Lin MA
IPC: H01M50/536 , H01M10/0525 , H01M4/62 , H01M4/36 , H01M50/543
Abstract: This application provides an electrode assembly and a battery cell. The battery cell includes an electrode assembly, a housing, and a first electrode terminal. The housing includes an accommodation cavity. The electrode assembly is accommodated in the accommodation cavity, and the first electrode terminal is disposed in the housing. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator. The separator separates the first electrode plate from the second electrode plate. The first electrode plate includes a first current collector, a first active material layer, and an insulation layer. The first current collector includes a first body portion and a first tab extending from the first body portion.
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公开(公告)号：US20240196112A1
公开(公告)日：2024-06-13
申请号：US18131375
申请日：2023-04-06
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Lin MA , Pengju WANG , Yunlong HUANG , Zhenhui WANG
IPC: H04N25/701 , G01B11/26 , H04N23/56
CPC classification number: H04N25/701 , G01B11/26 , H04N23/56
Abstract: A battery cell appearance defect detection apparatus may comprise: a first detection assembly comprising a first image collector and a first light source, wherein the first light source emits first light, the first light forming a first included angle with a detection surface, and the first image collector collects a first image of the position on the battery cell irradiated by the first light; a second detection assembly comprising a second image collector and a second light source, wherein the second light source emits second light, the second light forming a second included angle with the detection surface, and the second image collector collects a second image of the position on the battery cell irradiated by the second light, with the second included angle being less than the first included angle; and a control assembly constructed to detect appearance defects of the battery cell.
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公开(公告)号：US20240192141A1
公开(公告)日：2024-06-13
申请号：US18127468
申请日：2023-03-28
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Lin MA , Ming ZHANG , Yunlong HUANG , Man CHEN
IPC: G01N21/88
CPC classification number: G01N21/8806 , G01N2021/8835
Abstract: The present application discloses an appearance inspection device and an apparatus for manufacturing a battery cell. The appearance inspection device for inspecting a battery cell comprises: a first camera assembly comprising a first camera and a first light source, the first light source being configured to provide illumination to the first camera, and the first camera being configured to acquire images of a first surface of the battery cell when the first surface is covered by an insulating layer; and a second camera assembly comprising a second camera and a second light source, the second light source being configured to provide illumination to the second camera, and the second camera being configured to acquire images of the first surface when at least a partial region of the first surface is not covered by the insulating layer. According to the technical solutions provided by the present application, the versatility of the appearance inspection device can be improved, thereby improving the battery manufacturing efficiency.
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9.发明申请公开(公告)号：US20210210750A1
公开(公告)日：2021-07-08
申请号：US17057290
申请日：2020-04-07
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Shitong CHEN , Bin XIE , Zhijie GONG , Zhao HU , Lin MA
IPC: H01M4/36 , H01M10/0525
Abstract: The application relates to the field of lithium ion battery technology and, more particularly, relates to a lithium-supplement layer and its negative electrode sheet, a lithium ion battery and a device. The lithium-supplement layer is formed by connecting a transition layer, an oxide layer and a surface layer in sequence, the surface layer contains an appropriate amount of an organic material and a filling substance, which can reduce a winding temperature of the negative electrode sheet, the oxide layer substance in the lithium-supplement layer is used to provide an additional lithium source, after injection, the lithium source can be continuously supplemented during the cycle process to improve the activity of a lithium layer, at the same time, the filling substance contained in the surface layer can effectively play a role of restraining the expansion of an active substance, and improve the battery cycle performance.
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公开(公告)号：US20190288252A1
公开(公告)日：2019-09-19
申请号：US16055058
申请日：2018-08-04
Applicant: Contemporary Amperex Technology Co., Limited
Abstract: The embodiments of the present disclosure provide an end plate, a housing, and a battery module, wherein the end plate for a housing of a battery module, comprising: a plate-shaped body portion that has a first surface and a second surface disposed opposite to each other, wherein output electrode holes are disposed on the body portion to enable output electrodes of the battery module to extend out from the output electrode holes; a connecting pillar disposed on the first surface and extending in a first direction (Z), wherein the connecting pillar comprises a connecting though-hole passing through the connecting pillar along the first direction (Z); and a vent hole disposed on the body portion for mounting a vent plate of the battery module.
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