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公开(公告)号：EP4369447A1
公开(公告)日：2024-05-15
申请号：EP22917812.4
申请日：2022-01-07
发明人： FENG, Shiping , HU, Jun , CHEN, Canbin , CHANG, Wen , ZHENG, Qiuhui , WU, Qing , LU, Haoran , ZHAO, Jiayi , GUO, Yitai
IPC分类号： H01M10/04 , H01M10/0583
CPC分类号： Y02E60/10 , H01M10/04 , H01M10/0583
摘要： Embodiments of the present application provide an electrode plate stacking method and apparatus, and a stacking machine, which can effectively reduce the scrap rate of battery cells. The method includes: determining, based on a first electrode plate, a conveying order of a plurality of second electrode plates, the first electrode plate being a continuous electrode plate, the plurality of second electrode plates including at least one upper electrode plate and at least one lower electrode plate, the plurality of second electrode plates being discontinuous electrode plates, and the conveying order being used for conveying the at least one upper electrode plate and the at least one lower electrode plate alternately; generating an identifier sequence for the plurality of second electrode plates based on the conveying order; and collecting first image data of each of the plurality of second electrode plates based on the identifier sequence in a process of conveying the plurality of second electrode plates in the conveying order.
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2.发明公开
公开(公告)号：EP4362150A1
公开(公告)日：2024-05-01
申请号：EP22919463.4
申请日：2022-01-14
发明人： CHEN, Canbin , HU, Jun , FENG, Shiping , ZHENG, Qiuhui , CHANG, Wen , WU, Qing , LU, Haoran
IPC分类号： H01M10/04
CPC分类号： H01M10/04
摘要： The present application relates to the technical field of batteries, and discloses an electrode sheet dislocation control method and apparatus, an electrode sheet, a battery cell, and a battery. The electrode sheet dislocation control method comprises: acquiring hole cutting position information of an anode sheet, and according to the hole cutting position information and a calibrated width of the anode sheet, calculating a first sheet width deviation value corresponding to the anode sheet; acquiring tab position information of a cathode sheet, and according to the tab position information and a calibrated width of the cathode sheet, calculating a second sheet width deviation value corresponding to the cathode sheet; and when laminating the anode sheet and the cathode sheet, adjusting, according to the first sheet width deviation value, a sheet feeding position of a cathode sheet corresponding thereto, and according to the second width deviation value, compensating for the width of a cut piece of the cathode sheet. The present application can enable a preset distance to be maintained between edges of the laminated cathode sheet and anode sheet, avoid poor dislocation of the cathode sheet and the anode sheet, and increase the yield of the battery cell.
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3.发明公开
公开(公告)号：EP4407725A1
公开(公告)日：2024-07-31
申请号：EP22936830.3
申请日：2022-04-12
发明人： ZHAO, Baiquan , LI, Hongyuan , FENG, Shiping , ZHENG, Qiuhui , CHEN, Canbin , DAI, Ya
IPC分类号： H01M10/04 , H01M10/0583 , H01M10/058 , G01B11/00 , G01N21/89 , G01N21/84 , G01N21/86 , B65H23/032
CPC分类号： B65H23/032 , G01B11/00 , G01N21/84 , G01N21/86 , G01N21/89 , H01M10/04 , H01M10/058 , H01M10/0583
摘要： The present disclosure provides a material strip feeding detection method for a stacking machine, a material strip feeding detection apparatus for a stacking machine, a stacking machine, an electronic device, and a non-transitory computer-readable storage medium. The material strip (800, 1310, 1410, 1510, 1610, 1710, 1810) comprises a plurality of first electrode plates distributed continuously in a feeding direction (104, 801, 1311, 1511). The material strip feeding detection method comprises: shooting with at least one set of camera apparatuses (1340, 1421, 1422, 1541, 1542, 1621, 1622, 1721, 1722, 1821, 1822) to obtain at least one material strip image (500, 810, 820); determining whether the material strip image (500, 810, 820) comprises a first marker and a second marker; acquiring a target deviation of the first marker relative to a preset position based on the material strip image (500, 810, 820) in response to determining that the material strip image (500, 810, 820) comprises the first marker, controlling the material strip feeding detection apparatus to perform feeding deviation rectification of the material strip (800, 1310, 1410, 1510, 1610, 1710, 1810) conveyed on a conveying mechanism based on the target deviation, and controlling a cutting mechanism (1370, 1570) to cut the material strip (800, 1310, 1410, 1510, 1610, 1710, 1810) on the conveying mechanism after the feeding deviation rectification; determining a complete first electrode plate based on the first marker, to ensure that a complete material strip image (500, 810, 820) is obtained, and determining the feeding based on the first marker; the second marker is used for indicating the lamination position for a second electrode plate that is of an opposite polarity to the first electrode plate on the material strip (800, 1310, 1410, 1510, 1610, 1710, 1810).
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公开(公告)号：EP4372861A1
公开(公告)日：2024-05-22
申请号：EP22936768.5
申请日：2022-04-11
发明人： CHANG, Wen , HU, Jun , ZHENG, Qiuhui , LEI, Yang , LU, Haoran , FENG, Shiping , CHEN, Canbin , WU, Qing , NI, Dajun , DUAN, Pengfei , ZHAO, Baiquan
IPC分类号： H01M10/058 , H01M10/04 , H01M50/531 , H01M50/528
CPC分类号： H01M10/04 , H01M10/058 , H01M50/531 , H01M50/528 , Y02E60/10 , Y02P70/50
摘要： Embodiments of the present application provide a method and device for correcting positions of tabs of an electrode assembly. The electrode assembly includes anode electrode plates and cathode electrode plates stacked alternately in a first direction. The method includes: determining whether there are a plurality of consecutive tabs misaligned with each other in a first electrode plate assembly; and adjusting, if there are a plurality of consecutive tabs misaligned with each other, a cutting position of the first electrode plate assembly to adjust a width of first electrode plates obtained after cutting, such that tabs of a plurality of first electrode plates obtained after cutting the first electrode plate assembly are aligned with each other, the first electrode plates being anode electrode plates or cathode electrode plates. The method and device for correcting positions of tabs of an electrode assembly according to the embodiments of the present application can effectively correct the positions of the tabs and improve the performance and the manufacturing efficiency of the electrode assembly.
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公开(公告)号：EP4318724A1
公开(公告)日：2024-02-07
申请号：EP22936039.1
申请日：2022-04-08
发明人： CHEN, Canbin , HU, Jun , NI, Dajun , FENG, Shiping , CHANG, Wen , ZHENG, Qiuhui , WU, Qing , LU, Haoran , LEI, Yang , ZHAO, Baiquan , DUAN, Pengfei
IPC分类号： H01M10/0585
摘要： Embodiments of the present application provide an apparatus (100) and a method (400) for manufacturing an electrode assembly. The apparatus (100) includes a driving portion (110), used for driving pole pieces (200) to fall them from the driving portion (110); and a first support portion (120), arranged below the driving portion (110), and used for receiving the falling pole pieces (200), so that the pole pieces (200) are stacked on the first support portion (120), the distance (H1) between an initial position of the upper surface (121) of the first support portion (120) and the driving portion (110) being in a range of W to 2W, the initial position being the position of the upper surface of the first support portion (120) when receiving the first pole piece of the electrode assembly, and W being the length of each pole piece (200). The apparatus (100) can effectively stack the pole pieces (200) to obtain an electrode assembly, and has high stacking efficiency.
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6.发明公开
公开(公告)号：EP4287343A1
公开(公告)日：2023-12-06
申请号：EP22924559.2
申请日：2022-04-12
发明人： DUAN, Pengfei , LI, Hongyuan , WU, Qian , NI, Dajun , CHEN, Canbin
IPC分类号： H01M10/0583
摘要： Embodiments of the present application provide a method, an apparatus, a device, a medium and a product for detecting alignment of battery electrode plates. The method includes: obtaining depth distances of a target cross section of the battery electrode plates after lamination molding, wherein the target cross section is perpendicular to an electrode plate setting direction of the battery electrode plates, and the depth distances of the target cross section includes the depth distance corresponding to each of the electrode plates; and determining an alignment detection result of the battery electrode plates based on the depth distances of the target cross section. According to embodiments of the present application, the depth distances of the target cross section of the battery electrode plates can be obtained after lamination molding of the battery electrode plates, the depth distances of the target cross section may include the corresponding depth distance of each electrode plate. According to the corresponding depth distance of each electrode plate, the overall alignment of the battery electrode plates after lamination molding can be determined. The battery electrode plates qualified in the detection may be used to perform a subsequent manufacturing process, and the battery electrode plates unqualified in the detection can be treated by waste discharge, so as to ensure the quality of the battery and improve the good product rate of the battery.
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7.发明公开
公开(公告)号：EP4283747A1
公开(公告)日：2023-11-29
申请号：EP22919428.7
申请日：2022-01-13
发明人： LU, Haoran , FENG, Shiping , CHANG, Wen , ZHENG, Qiuhui , CHEN, Canbin , WU, Qing
IPC分类号： H01M10/0587 , H01M10/0525
摘要： The present application discloses an electrode plate deviation correction method, apparatus, device, storage medium and product. The electrode plate deviation correction method includes: collecting, by sensors, deviation data of an edge of an electrode plate relative to a preset boundary; determining a deviation correction displacement of the electrode plate according to the deviation data; controlling, according to the deviation correction displacement, an unwinding apparatus for the electrode plate to adjust a position of the electrode plate so that the deviation data of the electrode plate relative to the preset boundary is within a target range. According to embodiments of the present application, the problem that an electrode plate deviation cannot be corrected timely, which in turn affects product quality of the battery can be solved.
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公开(公告)号：EP4461449A1
公开(公告)日：2024-11-13
申请号：EP23745859.1
申请日：2023-01-06
发明人： ZHENG, Qiuhui , HU, Jun , FENG, Shiping , CHEN, Canbin , CHANG, Wen , WU, Qing , LU, Haoran
摘要： This application provides an electrode plate cutting method and control system, and relates to the field of battery technologies. The electrode plate cutting method includes: obtaining an offset distance between a detection reference (10) and a cutting position (2100) on an electrode plate (2000); obtaining, based on the offset distance and a distance between the detection reference (10) and a cutting device (40), an actual distance between the cutting position (2100) and the cutting device (40); and obtaining, based on the actual distance, a cutting time point for the cutting position (2100) to be conveyed to the cutting device (40), so that the cutting device (40) cuts at the cutting position (2100). Obtaining the offset distance between the detection reference (10) and the cutting position (2100) of the electrode plate (2000) is equivalent to obtaining a deviation from the detection reference (10) caused during transferring of the electrode plate (2000). In this way, the actual position of the cutting position (2100) can be obtained, so as to obtain the accurate time point when the cutting position (2100) is conveyed to the cutting device (40), so that the cutting device (40) can accurately cut at the cutting position (2100), thereby improving the cutting accuracy, and helping to improve the cutting and forming quality of the electrode plate (2000) and reliability and safety of batteries using such electrode plate (2000).
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公开(公告)号：EP4386362A1
公开(公告)日：2024-06-19
申请号：EP22941201.0
申请日：2022-05-13
发明人： HU, Jun , FENG, Shiping , NI, Dajun , CHEN, Canbin , ZHENG, Qiuhui , CHANG, Wen , DUAN, Pengfei , WU, Qing , LU, Haoran , LEI, Yang , ZHAO, Baiquan
IPC分类号： G01N21/88 , H01M10/0587
CPC分类号： H01M10/0587 , G01N21/88
摘要： This application provides a detection method for electrode plate, a detection apparatus for electrode plate, a stacking system, a detection device, and a computer-readable storage medium, where the electrode plate includes a coated portion and an uncoated portion located on at least one side of the coated portion in a longitudinal direction. The detection method includes: step S1000: obtaining dimensional parameters D1 ... DN at different detection positions P1 ... PN of the uncoated portion in a transverse direction perpendicular to the longitudinal direction; and step S2000: comparing the dimensional parameters D1 ... DN with a dimensional detection standard S to determine whether the uncoated portion is folded, where N is a positive integer, and N is greater than or equal to 2.
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公开(公告)号：EP4287340A1
公开(公告)日：2023-12-06
申请号：EP21966099.0
申请日：2021-12-03
发明人： CHANG, Wen , HU, Jun , FENG, Shiping , CHEN, Canbin , WU, Qing , ZHENG, Qiuhui , LU, Haoran
IPC分类号： H01M10/058
摘要： The embodiments of the present application relate to the technical field of batteries. Provided are a rejection method and apparatus for a battery electrode plate, and a device. The method comprises: during the process of a driving mechanism driving the transportation of a battery electrode plate to a rejection mechanism, if it is detected by an electrode plate defect detection mechanism that the battery electrode plate is a defective electrode plate, recording a first distance of the defective electrode plate, wherein the first distance is the distance from the defective electrode plate to the rejection mechanism; during the process of transporting the defective electrode plate from the electrode plate defect detection mechanism to the rejection mechanism, acquiring a second distance at which the driving mechanism drives the defective electrode plate to move; updating the first distance of the defective electrode plate on the basis of the second distance; and when the updated first distance of the defective electrode plate meets a preset condition, controlling the rejection mechanism to reject the defective electrode plate.
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