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1.发明公开公开(公告)号：US20240006649A1
公开(公告)日：2024-01-04
申请号：US18236944
申请日：2023-08-23
发明人： Wankui ZHAO , Yaojin CHEN , Gang LIN , Yiruo WANG , Peichao WANG , Guoda HUANG , Chao XIE , Wei CHEN
CPC分类号： H01M10/0431 , H01M50/46 , H01M4/13 , H01M2004/021
摘要： The present disclosure relates to an electrode assembly, a battery cell, a battery, an electrical equipment, a winding equipment, and a method, which belongs to the battery technology field. The electrode assembly may include a first electrode plate and a second electrode plate with opposite polarity, wherein the first electrode plate and the second electrode plate may be stacked and wound along the winding direction to form the electrode assembly, wherein the first electrode plate may include a first segment and a second segment, wherein the first segment may be provided with a first active substance layer, and the second segment may be provided with a second active substance layer, and the first segment may be located upstream of the second segment along the winding direction from inside to outside.
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2.发明公开公开(公告)号：US20240322256A1
公开(公告)日：2024-09-26
申请号：US18734524
申请日：2024-06-05
发明人： Guoda HUANG , Chao XIE , Yiruo WANG , Shengsheng HU
IPC分类号： H01M10/0587 , A62C3/06 , B65H26/00
CPC分类号： H01M10/0587 , A62C3/06 , B65H26/00 , B65H2404/10 , B65H2405/40 , B65H2407/30 , B65H2515/83 , B65H2601/25 , B65H2701/19
摘要： A winding and unwinding system for electrode plate includes a winding and unwinding box, a cooling unit, and a control unit. The winding and unwinding box includes a box body and a box door jointly defining a box space, an electrode plate discharge port provided on a side of the box body, a rotating shaft provided in the middle of the box space, an electrode plate cylinder connected to and driven by the rotating shaft, a first temperature sensor monitoring temperature of the electrode plate, a first gas detector monitoring oxygen concentration inside the winding and unwinding box, gas inlet and outlets located at bottom and top of the box body, respectively. The cooling unit communicates with the gas inlet. The control unit controls the cooling unit to regulate the temperature of the electrode plate and the oxygen concentration inside the winding and unwinding box.
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公开(公告)号：US20240266580A1
公开(公告)日：2024-08-08
申请号：US18618881
申请日：2024-03-27
发明人： Zhiyang WU , Chao XIE , Yiruo WANG , Gang LIN
CPC分类号： H01M10/0404 , B32B37/20 , B32B38/0004 , B32B38/1833 , B32B38/1875 , H01M10/0587 , H01M50/46 , B32B2309/72 , B32B2457/10
摘要： A manufacturing device for an electrode assembly comprises a first electrode plate feeding mechanism for conveying a first electrode plate, a first separator feeding mechanism for conveying a first separator, a second separator feeding mechanism for conveying a second separator, and a compounding mechanism provided downstream the first electrode plate feeding mechanism, the first separator feeding mechanism, and the second separator feeding mechanism. The compounding mechanism is used for sequentially laminating and compounding the first separator, the first electrode plate, and the second separator into a first electrode plate complex. The manufacturing device further comprises a second electrode plate feeding mechanism for conveying a second electrode plate having opposite polarity than the first electrode plate, and a winding mechanism provided downstream the compounding mechanism and the second electrode plate feeding mechanism and used for winding the first electrode plate complex and the second electrode plate to form an electrode assembly.
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公开(公告)号：US20230307718A1
公开(公告)日：2023-09-28
申请号：US18326350
申请日：2023-05-31
发明人： Yiruo WANG , Zhiyang WU , Gang LIN , Chao XIE , Guoda HUANG , Yongli ZHANG , Mingjian LIU
IPC分类号： H01M10/0587
CPC分类号： H01M10/0587
摘要： An electrode assembly manufacturing device includes a winding mechanism, a heating mechanism, a conveyor belt arranged between the heating mechanism and the winding mechanism, and a forming mechanism. The winding mechanism is configured to wind a positive electrode sheet, a separator, and a negative electrode sheet into an electrode assembly. The conveyor belt is configured to transfer the electrode assembly from the winding mechanism to the heating mechanism. The heating mechanism is configured to heat the electrode assembly. The forming mechanism is configured to press and form the electrode assembly.
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公开(公告)号：US20240297330A1
公开(公告)日：2024-09-05
申请号：US18664280
申请日：2024-05-14
发明人： Peichao WANG , Xiaoyuan LI , Chao XIE , Guoda HUANG , Yiruo WANG , Shengsheng HU , Wankui ZHAO , Gang LIN , Yaojin CHEN
CPC分类号： H01M10/0409 , B65H21/00 , B65H23/18 , H01M10/0431
摘要： A winding device includes a first unwinding apparatus, configured to output a first electrode plate; a first cutting apparatus, disposed downstream of the first unwinding apparatus, and configured to cut the first electrode plate into a first part and a second part along a length direction of the first electrode plate; and a winding apparatus, disposed downstream of the first cutting apparatus, and including a first winding portion and a second winding portion capable of simultaneous winding movement. The first winding portion is configured to wind the first part of the first electrode plate to form a first electrode assembly. The second winding portion is configured to wind the second part of the first electrode plate to form a second electrode assembly.
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公开(公告)号：US20230402641A1
公开(公告)日：2023-12-14
申请号：US18456233
申请日：2023-08-25
发明人： Chao XIE , Yiruo Wang , Yaojin Chen , Wankui Zhao , Guoda Huang , Shengsheng Hu
CPC分类号： H01M10/0409 , H01M10/286
摘要： A winding device and a material winding method are provided. The winding device is configured to wind a material and includes: a winding switching mechanism, a compounding mechanism and a breaking mechanism. The winding switching mechanism includes a rotating disc and a plurality of winding pins arranged on the rotating disc at intervals. The material is wound around one winding pin along a preset path. The compounding mechanism is provided upstream of the winding pin along the preset path and configured to laminate and then compound the plural layers of materials at a preset position. The breaking mechanism is provided between the compounding mechanism and any winding pin along the preset path and configured to break the compounded plural layers of materials at a compounding region.
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公开(公告)号：US20240234785A1
公开(公告)日：2024-07-11
申请号：US18615409
申请日：2024-03-25
发明人： Chao XIE , Yiruo WANG , Gang LIN , Yaojin CHEN
IPC分类号： H01M10/04
CPC分类号： H01M10/0409 , H01M10/0431
摘要： A cell winding device and method are disclosed. The cell winding device includes a first cutting unit, a first connection unit, a winding unit, and a second cutting unit. The first cutting unit is configured to perform cutting on an electrode sheet. The first connection unit is adjacent to the first cutting unit, and configured to connect, through a connection tape, adjacent electrode sheets that have been subject to the cutting. The winding unit is configured to perform winding on the adjacent electrode sheets connected through the connection tape and drive, in response to completion of the winding, the electrode sheets that are wound to move, in such a manner that the connection tape corresponds to the second cutting unit. The second cutting unit is configured to perform cutting on the connection tape. A winding efficiency for a battery cell is improved.
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公开(公告)号：US20230318011A1
公开(公告)日：2023-10-05
申请号：US18326322
申请日：2023-05-31
发明人： Xiaowei ZHANG , Jun NI , Zhiwen WANG , Yuqian WEN , Minghao TANG , Chao XIE
IPC分类号： B65H23/195 , B65H75/24 , H01M10/04
CPC分类号： B65H23/195 , B65H75/24 , H01M10/0409
摘要： A winding shaft structure includes a winding shaft holder rotatable around an axial direction of the winding shaft structure, a first shaft group connected to one side of the winding shaft holder in the axial direction and configured to rotate together with the winding shaft holder, a second shaft group disposed on a side of the first shaft group in a radial direction of the winding shaft structure, a connecting member connected between the first shaft group and the second shaft group such that the second shaft group is movable with respect to the first shaft group in the radial direction via the connecting member, and a piezoelectric adjustment member disposed between the first shaft group and the second shaft group and deformable in the radial direction to adjust a distance between the first shaft group and the second shaft group.
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公开(公告)号：US20230356972A1
公开(公告)日：2023-11-09
申请号：US18312764
申请日：2023-05-05
发明人： Peichao WANG , Yiruo WANG , Chao XIE , Guoda HUANG , Shengsheng HU , Gang LIN
IPC分类号： B65H23/02 , H01M10/04 , B65H23/032
CPC分类号： B65H23/0204 , H01M10/0409 , B65H23/032 , B65H2701/1315
摘要： A deviation correction apparatus includes a width detecting apparatus configured to detect a width of a coating layer of an electrode plate, a processor communicatively connected with the width detecting apparatus and configured to determine a centerline position of the electrode plate based on the width of the coating layer, and a deviation correction mechanism configured to perform deviation correction for the electrode plate based on the centerline position of the electrode plate and a preset standard centerline position.
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