Patents by Inventor Yiruo WANG
Yiruo WANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11961955Abstract: The present application relates to a method and an apparatus for manufacturing an electrode assembly of a secondary battery. Embodiments of the present application propose a method for manufacturing an electrode assembly of a secondary battery, the method comprising joining a positive electrode plate and a first separator to form a positive electrode composite plate body; joining a negative electrode plate and a second separator to form a negative electrode composite plate body; winding the positive electrode composite plate body and the negative electrode composite plate body together to form an electrode assembly, wherein the positive electrode plate and the negative electrode plate are disposed to isolate from each other by the first separator and the second separator.Type: GrantFiled: April 2, 2022Date of Patent: April 16, 2024Assignee: Contemporary Amperex Technology Co., LimitedInventors: Yiruo Wang, Zhiyang Wu, Xiao Wang, Chengcheng Jiang, Chao Xie, Liangzhen Dai
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Patent number: 11949059Abstract: A winding method may comprise clamping heads of an anode plate, a cathode plate and a separator between a first half winding needle and a second half winding needle of a winding needle assembly at a winding station; and rotating the winding needle assembly at the winding station to wind the anode plate, the cathode plate and the separator to form an electrode assembly.Type: GrantFiled: June 23, 2023Date of Patent: April 2, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Zhiyang Wu, Yiruo Wang, Gang Lin, Guohang Liao
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Patent number: 11929464Abstract: The present disclosure relates to a conveying roller for conveying a cell pole piece, the cell pole piece comprising a main body and pole tabs, the main body comprising a bearing area and a transition area, each of the pole tabs comprising a root portion connected to the transition area, a middle section and a top portion, and the conveying roller comprising: a central axis, a first end face and a second end face disposed opposite to each other along the central axis, a transmission portion and an avoidance position provided between the first end face and the second end face, wherein the transmission portion is rotatable around the central axis, the bearing area is contactable with the transmission portion, so that the transmission portion applies a transmission friction force to the cell pole piece, and the avoidance position is capable of avoiding the transition area and the pole tabs.Type: GrantFiled: October 12, 2019Date of Patent: March 12, 2024Assignee: Contemporary Amperex Technology Co., LimitedInventors: Yiruo Wang, Xiaowei Zhang, Hongwen Chang, Xiao Wang, Peichao Wang, Xi Chen
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Publication number: 20240006649Abstract: 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.Type: ApplicationFiled: August 23, 2023Publication date: January 4, 2024Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Wankui ZHAO, Yaojin CHEN, Gang LIN, Yiruo WANG, Peichao WANG, Guoda HUANG, Chao XIE, Wei CHEN
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Publication number: 20230402641Abstract: 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.Type: ApplicationFiled: August 25, 2023Publication date: December 14, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Chao XIE, Yiruo Wang, Yaojin Chen, Wankui Zhao, Guoda Huang, Shengsheng Hu
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Patent number: 11841328Abstract: A method and a device for testing an electrode sheet, the method may comprise: acquiring M pieces of test data of a tab, wherein the tab protrudes from the end face of the electrode sheet along the first direction, the M pieces of test data are the test data of the tab at M consecutive positions along the second direction, the M pieces of test data are the test data of the height of the tab in the first direction, the second direction is perpendicular to the first direction, and M is a positive integer greater than 1; and determining whether the shape of the tab is normal based on the M pieces of test data.Type: GrantFiled: April 18, 2023Date of Patent: December 12, 2023Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Guoda Huang, Weizhi Zhou, Yuanfu Chen, Qingqing Song, Kai Cui, Minjiang Xu, Yiruo Wang, Gang Lin
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Publication number: 20230356972Abstract: 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.Type: ApplicationFiled: May 5, 2023Publication date: November 9, 2023Inventors: Peichao WANG, Yiruo WANG, Chao XIE, Guoda HUANG, Shengsheng HU, Gang LIN
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Publication number: 20230335778Abstract: A winding method may comprise clamping heads of an anode plate, a cathode plate and a separator between a first half winding needle and a second half winding needle of a winding needle assembly at a winding station; and rotating the winding needle assembly at the winding station to wind the anode plate, the cathode plate and the separator to form an electrode assembly.Type: ApplicationFiled: June 23, 2023Publication date: October 19, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Zhiyang WU, Yiruo WANG, Gang LIN, Guohang LIAO
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Publication number: 20230307718Abstract: 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.Type: ApplicationFiled: May 31, 2023Publication date: September 28, 2023Inventors: Yiruo WANG, Zhiyang WU, Gang LIN, Chao XIE, Guoda HUANG, Yongli ZHANG, Mingjian LIU
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Publication number: 20230266254Abstract: A method and a device for testing an electrode sheet, the method may comprise: acquiring M pieces of test data of a tab, wherein the tab protrudes from the end face of the electrode sheet along the first direction, the M pieces of test data are the test data of the tab at M consecutive positions along the second direction, the M pieces of test data are the test data of the height of the tab in the first direction, the second direction is perpendicular to the first direction, and M is a positive integer greater than 1; and determining whether the shape of the tab is normal based on the M pieces of test data.Type: ApplicationFiled: April 18, 2023Publication date: August 24, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Guoda HUANG, Weizhi ZHOU, Yuanfu CHEN, Qingqing SONG, Kai CUI, Minjiang XU, Yiruo WANG, Gang LIN
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Patent number: 11476492Abstract: The present application relates to a device for preparing an electrode assembly and a preparation method of the electrode assembly. Wherein the device for preparing the electrode assembly includes: a winding assembly; a plurality of first electrode plate unwinding apparatuses, configured to provide a plurality of first electrode plates for the winding assembly; and at least one second electrode plate unwinding apparatus, configured to provide at least one second electrode plate for the winding assembly, wherein a polarity of the first electrode plate is opposite to a polarity of the second electrode plate; and wherein the winding assembly is configured to wind the plurality of first electrode plates and the at least one second electrode plate, to form an electrode assembly. The present application is used for improving winding efficiency of the electrode assembly.Type: GrantFiled: June 2, 2020Date of Patent: October 18, 2022Assignee: Contemporary Amperex Technology Co., LimitedInventors: Chengdu Liang, Yiruo Wang, Chao Yang, Minghao Tang, Xiao Wang, Jiang Lin, Chuangchuang Xiang
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Publication number: 20220223897Abstract: The present application relates to a method and an apparatus for manufacturing an electrode assembly of a secondary battery. Embodiments of the present application propose a method for manufacturing an electrode assembly of a secondary battery, the method comprising joining a positive electrode plate and a first separator to form a positive electrode composite plate body; joining a negative electrode plate and a second separator to form a negative electrode composite plate body; winding the positive electrode composite plate body and the negative electrode composite plate body together to form an electrode assembly, wherein the positive electrode plate and the negative electrode plate are disposed to isolate from each other by the first separator and the second separator.Type: ApplicationFiled: April 2, 2022Publication date: July 14, 2022Applicant: Contemporary Amperex Technology Co., LimitedInventors: Yiruo Wang, Zhiyang Wu, Xiao Wang, Chengcheng Jiang, Chao Xie, Liangzhen Dai
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Publication number: 20210376371Abstract: The present application relates to a device for preparing an electrode assembly and a preparation method of the electrode assembly. Wherein the device for preparing the electrode assembly includes: a winding assembly; a plurality of first electrode plate unwinding apparatuses, configured to provide a plurality of first electrode plates for the winding assembly; and at least one second electrode plate unwinding apparatus, configured to provide at least one second electrode plate for the winding assembly, wherein a polarity of the first electrode plate is opposite to a polarity of the second electrode plate; and wherein the winding assembly is configured to wind the plurality of first electrode plates and the at least one second electrode plate, to form an electrode assembly. The present application is used for improving winding efficiency of the electrode assembly.Type: ApplicationFiled: June 2, 2020Publication date: December 2, 2021Inventors: Chengdu LIANG, Yiruo WANG, Chao YANG, Minghao TANG, Xiao WANG, Jiang LIN, Chuangchuang XIANG
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Publication number: 20210043980Abstract: The present disclosure relates to a conveying roller for conveying a cell pole piece, the cell pole piece comprising a main body and pole tabs, the main body comprising a bearing area and a transition area, each of the pole tabs comprising a root portion connected to the transition area, a middle section and a top portion, and the conveying roller comprising: a central axis, a first end face and a second end face disposed opposite to each other along the central axis, a transmission portion and an avoidance position provided between the first end face and the second end face, wherein the transmission portion is rotatable around the central axis, the bearing area is contactable with the transmission portion, so that the transmission portion applies a transmission friction force to the cell pole piece, and the avoidance position is capable of avoiding the transition area and the pole tabs.Type: ApplicationFiled: October 12, 2019Publication date: February 11, 2021Applicant: Contemporary Amperex Technology Co., LimitedInventors: Yiruo WANG, Xiaowei ZHANG, Hongwen CHANG, Xiao WANG, Peichao WANG, Xi CHEN