Patents by Inventor Yulian ZHENG

Yulian ZHENG 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).

  • Publication number: 20210249723
    Abstract: The present disclosure provides a battery cell, a battery module, a battery pack, a device using the battery cell as a power source, and an assembling method of the battery cell, wherein the battery cell comprising an electrode assembly (20) and an insulating support plate (50), the electrode assembly (20) comprises a main body portion (22) and a tab (21) connected to the main body portion (22), the insulating support plate (50) comprises a first support portion (51) and a second support portion (52) connected to the first support portion (51), the first support portion (51) protrudes in a direction approaching the main body portion (22) relative to the second support portion (52) such that a first gap is formed between the second support portion (52) and the main body portion (22), and at least a portion of the tab (21) is located in the first gap.
    Type: Application
    Filed: November 25, 2019
    Publication date: August 12, 2021
    Inventors: Yulian ZHENG, Xiaoping ZHANG, Peng WANG, Zhanyu SUN
  • Publication number: 20210242549
    Abstract: The present disclosure relates to a battery cell to alleviate the problem of impurities falling into an electrode assembly. Wherein, the battery cell includes: an electrode assembly including a tab and a cell body, wherein the tab is connected to the cell body; a cover plate assembly including an electrode terminal and a cover plate, wherein the electrode terminal is disposed on the cover plate; a connecting sheet connected between the tab and the electrode terminal, the connecting sheet includes a first connecting portion and a second connecting portion, wherein the first connecting portion is connected to the tab, and the second connecting portion is connected to the electrode terminal; an insulating pallet disposed between the cell body and the connecting sheet; and an insulation member disposed between the insulating pallet and the second connecting portion.
    Type: Application
    Filed: November 25, 2019
    Publication date: August 5, 2021
    Inventors: Yulian ZHENG, Xiaoping ZHANG, Peng WANG, Zhanyu SUN
  • Publication number: 20210119307
    Abstract: The disclosure relates to a cap assembly and a secondary battery. The cap assembly includes: a cap plate including a main portion and a convex portion, the main portion including a first surface, a second surface and an electrode lead-out hole; an electrode terminal including an extension portion that extends beyond a hole wall of the electrode lead-out hole and extends in a circumferential direction of the electrode lead-out hole to form a ring structure, and the extension portion is arranged on a side of the first surface away from the second surface; and a sealing ring at least partially disposed between the extension portion and the main portion. The convex portion is disposed on the second surface and around the electrode lead-out hole, and a top surface of the convex portion extends out of the second surface.
    Type: Application
    Filed: December 30, 2020
    Publication date: April 22, 2021
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Huasheng Su, Shoujun Huang, Yulian Zheng
  • Publication number: 20210119308
    Abstract: The present disclosure provides a battery module, a secondary battery and a cap assembly thereof. The cap assembly includes a cap plate which is provided with a terminal hole and an electrode terminal provided to the cap plate and covering the terminal hole; the electrode terminal includes an outer surface; the electrode terminal includes a positioning hole which is recessed with respect to the outer surface and includes a first portion and a second portion, the second portion is positioned to a side of the first portion away from the outer surface; a section of the first portion parallel to a central axis of the positioning hole is trapezoidal; a size of the first portion gradually decreases in a direction of the first portion close to the second portion, and a minimum size of the first portion is greater than or equal to a size of the second portion.
    Type: Application
    Filed: December 30, 2020
    Publication date: April 22, 2021
    Inventors: Yulian ZHENG, Chengyou XING, Peng WANG, Guowei LI
  • Publication number: 20210013458
    Abstract: The disclosure relates to a cap assembly and a secondary battery. The cap assembly includes: a cap plate including a main portion and a convex portion, wherein the main portion includes a first surface, a second surface and an electrode lead-out hole; an electrode terminal including an extension portion that extends beyond a hole wall of the electrode lead-out hole and extends in a circumferential direction of the electrode lead-out hole to form a ring structure, and the extension portion is arranged on a side of the first surface away from the second surface; and a sealing ring at least partially disposed between the extension portion and the main portion, wherein the convex portion is disposed on the second surface and around the electrode lead-out hole and has a thickness of 0.01 mm to 2 mm, a top surface of the convex portion extends out of the second surface.
    Type: Application
    Filed: March 21, 2020
    Publication date: January 14, 2021
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Huasheng SU, Shoujun HUANG, Yulian ZHENG
  • Publication number: 20200381695
    Abstract: This application provides embodiments including a connection member and a rechargeable battery. The connection member includes a guide plate and a first connecting plate integrally formed on the guide plate, where the first connecting plate is disposed in a bendable manner relative to the guide plate, and at least one indentation is present between the first connecting plate and the guide plate. In the embodiments, a bending position is more accurate when the first connecting plate is bent relative to the guide plate. This is conducive to an accurate size of the connection member being bent, and is also helpful for the rechargeable battery to successfully assemble a battery core, the connection member, and a housing.
    Type: Application
    Filed: March 27, 2018
    Publication date: December 3, 2020
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Chengyou XING, Yulian ZHENG, Taosheng ZHU, Peng WANG, Zhijun GUO
  • Patent number: 10784475
    Abstract: The present disclosure provides a cap assembly for a secondary battery and a secondary battery. The cap assembly includes a cap plate, a fixing member, a connecting member and an electrode terminal, wherein the cap plate has an electrode lead-out hole; the fixing member is fixed to the cap plate through the connecting member and provided with a weakened portion that is close to a center line of the cap plate in a width direction of the cap plate; and the electrode terminal includes a terminal board, wherein the terminal board has an outer peripheral surface at least partially surrounded by the fixing member so that the electrode terminal is fixed to the fixing member, and the terminal board is provided on a side of the cap plate and covers the electrode lead-out hole.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: September 22, 2020
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Yulian Zheng, Chengyou Xing, Quankun Li, Peng Wang, Lulu Bai
  • Patent number: 10763466
    Abstract: A top cap assembly of a secondary battery and second battery is provided. The top cap assembly may comprise: a top cap plate comprising an electrode extraction hole; an electrode terminal comprising a terminal plate, the terminal plate may be located on a side of the top cap plate and cover the electrode extraction hole; a first fixing component, the first fixing component may at least partially surround the terminal plate to fix the electrode terminal to the first fixing component; and a second fixing component comprising a main body and a first connection portion connected to the main body and extends away from the terminal plate, the main body may be fixedly connected to the first fixing component, and the first connection portion may be fixedly connected to the top cap plate.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: September 1, 2020
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Baisong Chen, Quankun Li, Peng Wang, Chengyou Xing, Yulian Zheng
  • Publication number: 20200203733
    Abstract: The present disclosure relates to the technical field of rechargeable battery and, particularly, relates to an electrode member, an electrode assembly and a rechargeable battery. The electrode member includes an electrode body and a conduction structure, the electrode body comprises an insulation substrate and an conduction layer placed on a surface of the insulation substrate, the conduction layer includes a first portion and a second portion extending from the first portion, the first portion is coated with an active material while the second portion is not coated with the active material, and the conduction structure is connected to the second portion. After the electrode assembly is formed by winding or stacking of the electrode members, adjacent current guide portions are electrically connected to one another by the conduction structure, without being limited by the insulation substrate, so that the conductivity of the electrode member is effectively improved.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 25, 2020
    Inventors: Chengyou XING, Xiang LI, Taosheng ZHU, Peng Wang, Yulian ZHENG
  • Publication number: 20200176751
    Abstract: The present disclosure provides a secondary battery and an assembly therefor. The secondary battery includes: a cap plate provided with a first electrode terminal; electrode assemblies, each electrode assembly comprising a first electrode tab; a first connecting piece connected between the first electrode tab and the first electrode terminal. The first connecting piece includes a first electrode terminal connecting portion, a first electrode tab connecting portion and a first fusing portion. The secondary battery further includes an insulating holding block connected with the first electrode terminal connecting portion and the first electrode tab connecting portion respectively, and the insulating holding block is configured to maintain the first electrode terminal connecting portion and the first electrode tab connecting portion in position relative to each other when the first fusing portion is fused.
    Type: Application
    Filed: February 3, 2020
    Publication date: June 4, 2020
    Inventors: Jiajun Wang, Youlei Lai, Yulian Zheng, Peng Wang, Tianjun Xia
  • Patent number: 10644300
    Abstract: A power battery and a power battery top cap structure for a power battery are provided. The power battery top cap structure includes first and second electrode assemblies, a lower insulation member, a top cap piece, and an abutment member. Both the first and second electrode assemblies are fixed on the top cap piece. The lower insulation member is fixed below the top cap piece. The lower insulation member includes, along an X axis, a snapping portion and a connecting portion. The abutment member extends along a Y axis and abuts between the connecting portion and the top cap piece so that a minimum distance between the connecting portion and the top cap piece along the Z axis is G3, where G3>0. G3 may be greater than a minimum distance between the connecting portion and the top cap piece when the lower insulation member is fixed without the abutment member.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: May 5, 2020
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Chengyou Xing, Yulian Zheng, Peng Wang, Jian Guo, Zhijun Guo
  • Patent number: 10644272
    Abstract: The disclosure relates to a cap assembly and a secondary battery. The cap assembly comprises: a cap plate having an electrode lead-out hole; an electrode terminal including a terminal plate which is located at a side of the cap plate and covers the electrode lead-out hole, and an outer peripheral surface of the terminal panel protrudes from an inner wall of the electrode lead-out hole; a first fixing member at least partly surrounding the terminal plate to fix the electrode terminal to the first fixing member; and a second fixing member connected with the cap plate and including a main portion, the second fixing member being separated from the electrode terminal by the first fixing member. One of the first fixing member and the main portion is provided with an engaging hole and the other is provided with an inserting portion to be inserted into the engaging hole.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: May 5, 2020
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Lulu Bai, Yulian Zheng, Peng Wang, Zhijun Guo, Chengyou Xing, Jianxiong Yang, Qichang Cai
  • Patent number: 10644322
    Abstract: The present disclosure relates to the technical field of rechargeable battery and, particularly, relates to an electrode member, an electrode assembly and a rechargeable battery. The electrode member includes an electrode body and a conduction structure, the electrode body comprises an insulation substrate and an conduction layer placed on a surface of the insulation substrate, the conduction layer includes a first portion and a second portion extending from the first portion, the first portion is coated with an active material while the second portion is not coated with the active material, and the conduction structure is connected to the second portion. After the electrode assembly is formed by winding or stacking of the electrode members, adjacent current guide portions are electrically connected to one another by the conduction structure, without being limited by the insulation substrate, so that the conductivity of the electrode member is effectively improved.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: May 5, 2020
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Chengyou Xing, Xiang Li, Taosheng Zhu, Peng Wang, Yulian Zheng
  • Publication number: 20200119328
    Abstract: The present disclosure provides a secondary battery which comprises a cap plate, an electrode assembly and a first protecting piece. The cap plate comprises a first electrode terminal. The electrode assembly comprises a main body and a first electrode tab. The first electrode tab is electrically connected with the first electrode terminal. The first electrode tab includes a first connecting portion and a first bending portion, the first connecting portion is electrically connected with the first electrode terminal, and the first bending portion connects the main body and the first connecting portion. The first protecting piece is fixed to a bottom of the first connecting portion. The first protecting piece includes a main portion and a first curve portion, the first curve portion is connected with the main portion and is curved relative to the main portion. The first bending portion is bent downwardly along the first curve portion.
    Type: Application
    Filed: December 9, 2019
    Publication date: April 16, 2020
    Inventors: Yulian ZHENG, Chengyou XING, Peng WANG, Taosheng ZHU, Fenggang ZHAO
  • Publication number: 20200119327
    Abstract: The present disclosure provides a secondary battery which comprises a cap plate, an electrode assembly, a first connecting piece and a first welding protecting piece. The cap plate is provided with a first electrode terminal. The electrode assembly comprises a main body and a first electrode tab provided to the main body, the first electrode tab comprises a first connecting portion. The first connecting piece is connected between the first connecting portion and the first electrode terminal. The first welding protecting piece is provided on the first connecting portion, the first connecting portion is positioned between the first welding protecting piece and the first connecting piece, and the first welding protecting piece, the first connecting portion and the first connecting piece are securely connected.
    Type: Application
    Filed: December 9, 2019
    Publication date: April 16, 2020
    Inventors: Yulian ZHENG, Chengyou Xing, Zhijun Guo, Peng Wang
  • Patent number: 10601023
    Abstract: The present disclosure provides a secondary battery and an assembly therefor. The secondary battery comprises: a cap plate provided with a first electrode terminal and a second electrode terminal; an electrode assembly comprising a first electrode tab and a second electrode tab; a first connecting piece connected between the first electrode tab and the first electrode terminal. The first connecting piece includes a first electrode terminal connecting portion, a first electrode tab connecting portion and a first fusing portion. The secondary battery further comprises an insulating holding block, two ends of which are connected with the first electrode terminal connecting portion and the first electrode tab connecting portion respectively, and the insulating holding block is configured to maintain the first electrode terminal connecting portion and the first electrode tab connecting portion in position relative to each other when the first fusing portion is fused.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: March 24, 2020
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Jiajun Wang, Youlei Lai, Yulian Zheng, Peng Wang, Tianjun Xia
  • Patent number: 10586971
    Abstract: The present disclosure provides a secondary battery which comprises: a cap plate provided with a first electrode terminal and a second electrode terminal; an electrode assembly comprising a main body, a first electrode tab provided to the main body and a second electrode tab provided to the main body; a first connecting piece connected between the first electrode tab and the first electrode terminal. The second electrode tab is connected with the second electrode terminal. The first electrode tab includes a first connecting portion welded with the first connecting piece and a first bending portion bent downwardly and connected between the main body of the electrode assembly and the first connecting portion. A first insulating adhesive is adhered on weld zones which are formed during welding of the first connecting portion and the first connecting piece and face the main body of the electrode assembly.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: March 10, 2020
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Yulian Zheng, Chengyou Xing, Zhijun Guo, Peng Wang
  • Patent number: 10573872
    Abstract: The present disclosure provides a secondary battery which comprises a cap plate, an electrode assembly and a first connecting piece. The cap plate comprises a first electrode terminal; the electrode assembly comprises a main body, a first electrode tab; the first connecting piece is connected between the first electrode tab and the first electrode terminal. The first electrode tab includes a first connecting portion provided below the first connecting piece and a first bending portion connecting the main body and the first connecting portion. The secondary battery further comprises a first protecting piece fixed to a bottom of the first connecting portion. The first protecting piece includes a main portion and a first curve portion connected with an outer end of the main portion and curved relative to the main portion; the first bending portion is bent downwardly along a curved outer wall of the first curve portion.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: February 25, 2020
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Yulian Zheng, Chengyou Xing, Peng Wang, Taosheng Zhu, Fenggang Zhao
  • Publication number: 20190386263
    Abstract: The disclosure relates to a cap assembly and a secondary battery. The cap assembly comprises: a cap plate having an electrode lead-out hole; an electrode terminal including a terminal plate which is located at a side of the cap plate and covers the electrode lead-out hole, and an outer peripheral surface of the terminal panel protrudes from an inner wall of the electrode lead-out hole; a first fixing member at least partly surrounding the terminal plate to fix the electrode terminal to the first fixing member; and a second fixing member connected with the cap plate and including a main portion, the second fixing member being separated from the electrode terminal by the first fixing member. One of the first fixing member and the main portion is provided with an engaging hole and the other is provided with an inserting portion to be inserted into the engaging hole.
    Type: Application
    Filed: October 25, 2018
    Publication date: December 19, 2019
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Lulu Bai, Yulian Zheng, Peng Wang, Zhijun Guo, Chengyou Xing, Jianxiong Yang, Qichang Cai
  • Patent number: 10490780
    Abstract: The present disclosure provides a cap assembly for a secondary battery and a secondary battery. The cap assembly for the secondary battery includes a cap plate, a fixing member, a connecting member, an electrode terminal and a reinforcing portion, wherein the cap plate has an electrode lead-out hole; the fixing member is fixed to the cap plate through the connecting member; the electrode terminal comprises a terminal board, wherein the terminal board has an outer peripheral surface at least partially surrounded by the fixing member so that the electrode terminal is fixed to the fixing member, and the terminal board is provided on a side of the cap plate and covers the electrode lead-out hole; and the reinforcing portion is fixed to the cap plate, and extends along a width direction of the cap plate.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: November 26, 2019
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Yulian Zheng, Chengyou Xing, Quankun Li, Peng Wang, Lulu Bai