Patents by Inventor Quankun Li

Quankun Li 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: 20250253508
    Abstract: Provided are a battery cell, a battery, and an electric device. The battery cell includes a housing, an electrode assembly, a first insulating member, and a support frame. The housing is provided with a first wall, and the electrode assembly is accommodated within the housing. The electrode assembly includes a main portion. Along a thickness direction of the first wall, the first insulating member is provided on a side of the first wall facing the electrode assembly. Along the thickness direction of the first wall, the support frame is arranged between the main portion and the first insulating member, and the support frame is thermally fused to the first insulating member.
    Type: Application
    Filed: March 27, 2025
    Publication date: August 7, 2025
    Applicant: Contemporary Amperex Technology (Hong Kong) Limited
    Inventors: Wenlin ZHOU, Liangfan XU, Qianqian ZHANG, Mengkun LUO, Quankun LI
  • Publication number: 20250253383
    Abstract: A cylindrical battery cell, a battery, an electricity consuming device, a manufacturing method and a manufacturing system are provided. The cylindrical battery cell includes a shell, including an opening; and an electrode assembly, disposed in the shell, the electrode assembly including a separator and a tab, and along an axial direction of the electrode assembly, the tab being located at one end of the electrode assembly and extending toward the opening, the tab including a first portion and a second portion, the second portion surrounding a periphery of the first portion, and the separator wrapping the second portion to isolate the second portion from the shell, wherein along the axial direction, the first portion extends beyond the second portion and the separator, and the second portion does not extend beyond the separator. The battery cell of the present application solves a problem of short circuit in the battery cell.
    Type: Application
    Filed: March 30, 2025
    Publication date: August 7, 2025
    Inventors: Kai Wu, Chengyou Xing, Wenlong Kang, Huasheng Su, Quankun Li
  • Patent number: 12368217
    Abstract: The present disclosure provides a secondary battery and a battery module. The secondary battery includes: a shell having an opening; an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a cap assembly including a cap plate and a first electrode terminal; a lower insulator located at a side of the cap plate away from the terminal board; and a wiring board including a main body portion and an extension portion, wherein the main body portion is located at a side of the lower insulator away from the cap plate and connected to the first electrode plate, the extension portion extends into the electrode lead-out hole and connected to the first electrode terminal, the first electrode plate is electrically connected to the first electrode terminal through the wiring board, and the first electrode terminal does not extend beyond a lower surface of the lower insulator.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: July 22, 2025
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Quankun Li, Peng Wang, Taosheng Zhu, Baisong Chen
  • Publication number: 20250233285
    Abstract: A battery cell, a battery, and an electrical device are disclosed. The battery cell includes: a shell, an electrode assembly, an electrode terminal, and a current collecting component. The shell is configured to accommodate the electrode assembly. The electrode assembly includes a tab. The electrode terminal is disposed on the shell. The current collecting component includes a tab connecting portion and a terminal connecting portion. The tab connecting portion is configured to be connected to the tab. The terminal connecting portion is configured to be connected to the electrode terminal. The terminal connecting portion includes a plurality of terminal connecting sub-portions stacked in layers. Each terminal connecting sub-portion includes a riveting sub-portion. Any two adjacent riveting sub-portions are fixed together by riveting.
    Type: Application
    Filed: April 3, 2025
    Publication date: July 17, 2025
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Huasheng SU, Chengyou XING, Quankun LI, Chunguang XU, Peng WANG, Haizu JIN
  • Publication number: 20250233291
    Abstract: A battery cell, a battery, and an electrical apparatus are described. The battery cell comprises a housing, an electrode assembly, an electrode terminal, a fixing member, and a sealing member. The housing comprises a first wall, the first wall is provided with an electrode lead-out hole. The electrode assembly is accommodated in the housing. The electrode terminal is electrically connected to the electrode assembly and covers at least a portion of the electrode lead-out hole. The fixing member surrounds the electrode terminal and connects the electrode terminal and the first wall. The sealing member surrounds the electrode terminal, and at least a portion of the sealing member is sandwiched between the electrode terminal and the fixing member.
    Type: Application
    Filed: April 1, 2025
    Publication date: July 17, 2025
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Jian ZHOU, Wenlin ZHOU, Kaihuan YANG, Quankun LI
  • Publication number: 20250233212
    Abstract: A battery cell includes a housing, wherein the housing includes a first wall, the first wall includes an inner surface and an outer surface that are arranged oppositely, and a first through-hole penetrating the inner surface and the outer surface; an electrode terminal, at least partially threaded through the first through-hole; a sealing component, configured to seal a gap between the electrode terminal and the first wall; a connecting piece, arranged outside the battery cell and connected to the electrode terminal; a first insulating member, at least partially arranged between the connecting piece and the first wall to separate the connecting piece from the first wall; and a flow-guiding channel, formed between the first insulating member and the first wall, wherein the flow-guiding channel is in communication with the first through-hole.
    Type: Application
    Filed: April 4, 2025
    Publication date: July 17, 2025
    Inventors: Wenlin ZHOU, Xiaoping ZHANG, Kaihuan YANG, Ningsheng WU, Quankun LI
  • Publication number: 20250233241
    Abstract: The present disclosure relates to an end cover assembly, a battery cell, a battery pack and a device. The end cover assembly includes a cover assembly, a terminal assembly, a sealing piece and a first connected flow channel. The cover assembly is provided with an installation hole, and the installation hole penetrates through the cover assembly along an axial direction of the installation hole; the terminal assembly is installed in the installation hole; the sealing piece is configured to seal the installation hole; the first connected flow channel is arranged in at least one of the terminal assembly and the cover assembly, and the first connected flow channel is configured as follows: when the sealing of the sealing piece is invalid, the first connected flow channel enables the inside and the outside of the housing to be communicated through the installation hole.
    Type: Application
    Filed: April 7, 2025
    Publication date: July 17, 2025
    Inventors: Yuanbao Chen, Quankun Li, Peng Wang, Lingyan Jiang
  • Patent number: 12362433
    Abstract: A battery cell includes a shell, an electrode assembly, and an insulator; the shell includes a bottom wall and a side wall disposed at a periphery of the bottom wall; the electrode assembly is accommodated in the shell; the insulator includes a first insulating portion and a second insulating portion that are connected, the first insulating portion is used for separating the electrode assembly from the bottom wall, the first insulating portion is provided with a through hole, and the second insulating portion is used for separating the electrode assembly from the side wall; and the insulator further includes a folding portion, which is disposed on the first insulating portion in a foldable manner, and is configured to be stacked with the first insulating portion to cover the through hole.
    Type: Grant
    Filed: August 6, 2024
    Date of Patent: July 15, 2025
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Lulu Bai, Xinxiang Chen, Ningsheng Wu, Quankun Li, Ting Zheng, Wenlin Zhou
  • Patent number: 12362446
    Abstract: Embodiments of the present disclosure provide a battery cell, a battery, a power consumption device, and a device and a method for manufacturing a battery cell. The battery cell may comprise an electrode assembly, a housing, an end cover, and a first insulation structure. The electrode assembly may comprise a first tab. The housing may accommodate the electrode assembly, the housing may have an opening, and a first limiting structure may be formed on an inner circumferential wall of the housing. The end cover may cover the opening, and in a thickness direction of the end cover, the first limiting structure may limit movement of the end cover in a direction towards the electrode assembly. The first insulation structure may be at least partially provided between the first tab and the first limiting structure, so as to insulate and isolate the first tab from the first limiting structure.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: July 15, 2025
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Huasheng Su, Chengyou Xing, Quankun Li, Peng Wang
  • Publication number: 20250219235
    Abstract: The present application discloses a pressure relief mechanism, a battery cell and a battery. The pressure relief mechanism includes: a connecting mechanism including an aperture and a first boss, the first boss being connected to an inner wall of the aperture and extending toward an axis of the aperture; a pressure relief sheet for being actuated to release an internal pressure of the battery box when the internal pressure reaches a threshold and being arranged on a side of the first boss; a first protective sheet used to protect the pressure relief sheet and arranged on the other side of the first boss away from the pressure relief sheet; a compression ring arranged on a side of the first protective sheet away from the first boss; and a pressing structure connected to the connecting mechanism and being capable of being pressed toward the axis of the aperture.
    Type: Application
    Filed: March 20, 2025
    Publication date: July 3, 2025
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Yuqun ZENG, Jianxiong YANG, Peng WANG, Zhijun GUO, Quankun LI, Zhanyu SUN
  • Publication number: 20250219199
    Abstract: A battery cell, a battery, and an electric device. The battery cell includes a shell, electrode terminals, at least one electrode assembly, a support frame and liquid retaining layer(s). The shell has a wall part, and the electrode terminals are provided at the wall part. The electrode assembly is accommodated in the shell. The electrode assembly has a main body and tabs. In the thickness direction of the wall part, the tabs protrude from an end of the main body facing the wall part and connected to the electrode terminals. In the thickness direction of the wall part, the support frame is provided between the wall part and the main body. The support frame is configured to support the main body. The liquid retaining layer(s) are provided at the support frame, and the liquid retaining layer(s) are configured to absorb and store the electrolytic solution in the shell.
    Type: Application
    Filed: March 21, 2025
    Publication date: July 3, 2025
    Inventors: Wenlin ZHOU, Liangfan XU, Qianqian ZHANG, Xing LI, Quankun LI, Peng WANG
  • Publication number: 20250192349
    Abstract: A battery cell comprises an electrode assembly, a case and an insulating member. The case is used for accommodating the electrode assembly and has a wall portion arranged opposite the electrode assembly in a first direction, the wall portion being provided with a first pressure-relief area. In the first direction, the insulating member is at least partially arranged between the electrode assembly and the wall portion to insulate and isolate the electrode assembly from the wall portion. The insulating member is provided with a second pressure-relief area at the position corresponding to the first pressure-relief area, and the first pressure-relief area and the second pressure-relief area are configured to be open when the battery cell releases pressure.
    Type: Application
    Filed: February 24, 2025
    Publication date: June 12, 2025
    Inventors: Haibo KE, Quankun LI, Peng WANG, Shoujun HUANG, Guoan MAO, Junqi CAO
  • Patent number: 12327884
    Abstract: Embodiments provide a battery cell, a battery, an electric apparatus, and a manufacturing method and system of battery cell. In some embodiments, the battery cell includes a housing, an electrode assembly, and an end cover assembly. The housing provides an opening. The electrode assembly is disposed in the housing. The electrode assembly includes a body portion, a tab, and an isolation portion. The tab extends from an end of the body portion to the opening. The isolation portion is disposed on a periphery of the tab. The end cover assembly is configured to cover the opening. The end cover assembly includes an end cover and a first insulator. The end cover is configured to cover the opening and is connected to the housing. The first insulator is disposed on a side of the end cover proximate to an inside of the housing. The first insulator has a concave portion.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: June 10, 2025
    Assignee: Contemporary Amperex Technology (Hong Kong) Limited
    Inventors: Yuqun Zeng, Wenlong Kang, Chengyou Xing, Peng Wang, Quankun Li, Huasheng Su, Wenzhong Liu
  • Publication number: 20250183468
    Abstract: A housing component, a battery cell, a battery and an electrical device are described. The housing component is used for the battery cell, and the housing component has a first surface, and the first surface is provided with a sink groove, and the bottom wall of the sink groove includes a first area and a second area, and the thickness of the first area is less than the thickness of the second area, and at least a part of the first area is provided with a notch groove, and the housing component is configured to rupture at the notch groove to release the pressure inside the battery cell. The housing component has low difficulty in processing and manufacturing, and low processing and manufacturing costs, thereby reducing the processing and manufacturing costs of the battery cell and the battery.
    Type: Application
    Filed: February 11, 2025
    Publication date: June 5, 2025
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Lulu BAI, Ting ZHENG, Quankun LI
  • Publication number: 20250174847
    Abstract: An end cover assembly includes an end cover, a connecting element, and an electrode terminal. The end cover is configured to close an opening of a shell of a battery cell, and the end cover is provided with a terminal lead-out hole. The connecting element is arranged on a side of the end cover away from the shell in a thickness direction. The electrode terminal passes through the terminal lead-out hole and is connected to the connecting element, where the electrode terminal is configured to connect an electrode assembly of the battery cell to achieve an electrical connection between the connecting element and the electrode assembly. In the thickness direction of the end cover, the perimeter of an outer surface of the end cover is L1, the connecting element has a butting surface away from the end cover, and the perimeter of the butting surface is L2, which meet: L2/L1?0.25.
    Type: Application
    Filed: January 21, 2025
    Publication date: May 29, 2025
    Inventors: Qi CHENG, Xinxiang CHEN, Denghua LIN, Long CHEN, Shoujun HUANG, Yuyong LEI, Quankun LI, Yulian ZHENG, Peng WANG
  • Publication number: 20250174780
    Abstract: Embodiments of this application provide a battery cell, a battery, and an electric device. The battery cell includes: a shell, where the shell is a hollow structure with an opening, and an electrode terminal is provided on a first side wall of the shell adjacent to the opening; and a cover plate configured to cover the opening, where the cover plate and the shell are sealingly connected to form a connecting structure surrounding the opening, the connecting structure includes a first region corresponding to the electrode terminal, and an orthographic projection of a portion of the electrode terminal protruding from the outer surface of the first side wall on the connecting structure does not exceed the first region. The battery cell, battery, and electric device can improve the processing efficiency of the battery cell.
    Type: Application
    Filed: January 27, 2025
    Publication date: May 29, 2025
    Applicant: Contemporary Amperex Technology (Hong Kong) Limited
    Inventors: Liqin WANG, Quankun LI, Yunjian MA, Honggang YU, Peijie ZHAO, Yu DING
  • Publication number: 20250174835
    Abstract: A bottom support plate configured to support an electrode assembly in a battery cell includes: a bottom support plate body; a connecting plate, wherein the connecting plate is arranged on the lower surface of the bottom support plate body, and an exhaust groove is formed between an edge of the connecting plate and the lower surface of the bottom support plate body, the exhaust groove runs through the peripheral edge of the bottom support plate body at least along a first direction and a second direction, the first direction and the second direction are both perpendicular to the thickness direction of the bottom support plate body, and the exhaust groove is configured to communicate with a gap between a shell and an insulating sleeve film of the battery cell. The exhaust groove of the present application runs through the peripheral edge of the bottom support plate body.
    Type: Application
    Filed: January 16, 2025
    Publication date: May 29, 2025
    Inventors: Haibo KE, Quankun LI, Xiang MEI, Kaihuan YANG, Shoujun HUANG, Peng WANG
  • Publication number: 20250174779
    Abstract: A battery cell includes a casing, an electrode assembly and an end cover assembly. The end cover assembly for the battery cells includes an end cover and an electrode terminal, and the end cover is provided with an electrode lead-out hole. The electrode terminal includes a connecting part and a terminal main body, and the terminal main body protrudes from the connecting part and is at least partially accommodated in the electrode lead-out hole. The connecting part is provided with a groove.
    Type: Application
    Filed: January 24, 2025
    Publication date: May 29, 2025
    Inventors: Kaihuan YANG, Yongfeng XIE, Wenlin ZHOU, Haibo KE, Quankun LI
  • Publication number: 20250174769
    Abstract: The present application provides a protective plate for a battery cell, a battery cell, a battery, and an electricity consuming apparatus. The protective plate is provided with a heat absorbing structure, and at least a portion of the heat absorbing structure is configured to be fused and connected with an insulating film of the battery cell for covering an electrode assembly. The embodiments of the present application provide a heat absorbing structure on the protective plate, so as to allow a stronger connection strength between the protective plate and the insulation film during the preparation of the battery cell, which reduces the probability of detachment between the protective plate and the insulation film, increases the probability of installing the protective plate together with the electrode assembly into the shell, and helps to improve the production yield rate of the battery cell.
    Type: Application
    Filed: January 27, 2025
    Publication date: May 29, 2025
    Applicant: Contemporary Amperex Technology (Hong Kong) Limited
    Inventors: Kaihuan YANG, Qi CHENG, Huasheng SU, Xiang MEI, Quankun LI
  • Publication number: 20250174844
    Abstract: A battery cell includes: an end cap assembly, including an electrode terminal; a housing, on which an opening is created, where the end cap assembly seals the opening; an electrode assembly, disposed in the housing, where the electrode assembly includes a tab; an adapter component, connected between the tab and the electrode terminal, where the adapter component includes a first connecting region configured to be connected to the electrode terminal, a second connecting region configured to be connected to the tab, and a transitional connecting region located between the first connecting region and the second connecting region; and an insulation piece, covering at least a part of the transitional connecting region.
    Type: Application
    Filed: January 24, 2025
    Publication date: May 29, 2025
    Inventors: Kaihuan YANG, Wenlin ZHOU, Qi CHENG, Quankun LI, Peng WANG