Patents by Inventor Wenlin ZHOU

Wenlin ZHOU 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: 20250233289
    Abstract: This application relates to a battery cell, a battery, and an electric device. The battery cell includes an end cover assembly, a tab bracket, a fixing member, a housing, and an electrode assembly. The housing has an opening. The end cover assembly closes the opening of the housing. The electrode assembly is provided in the housing and provided with a tab. The tab bracket is provided on a side of the end cover assembly facing the electrode assembly, where the tab is bent around the tab bracket. The fixing member is configured to fix the tab bracket to the end cover assembly.
    Type: Application
    Filed: April 1, 2025
    Publication date: July 17, 2025
    Inventors: Qianqian Zhang, Liangfan Xu, Wenlin Zhou, Xing Li, 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
  • 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
  • Publication number: 20250226535
    Abstract: A battery unit, a battery module, and an electrical device are disclosed. The battery unit includes: a housing, where the housing comprises a first electrode terminal and a second electrode terminal; at least one battery cell, where the battery cell includes a first electrode plate and a second electrode plate, and the second electrode terminal is connected to the second electrode plate; and an adapter strip assembly, where the adapter strip assembly is sandwiched between the housing and the battery cell and includes a first adapter strip and a first bracket, and the first adapter strip is supported on the first bracket and connected to the first electrode terminal and the first electrode plate.
    Type: Application
    Filed: March 26, 2025
    Publication date: July 10, 2025
    Inventors: Denghua Lin, Long Chen, Wenlin Zhou, Yulian Zheng, Peng Wang, Haizu Jin
  • 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: 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: 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
  • Publication number: 20250140991
    Abstract: In some embodiments, the battery cell includes a shell, including an opening; an electrode unit, accommodated in the shell, the electrode unit including a main body portion and a tab portion protruding from the main body portion; a cap assembly, for connecting with the shell, and covering and closing the opening; and a first insulating member, accommodated in the shell and adapted to isolate at least part of the main body portion from the shell, the first insulating member including a first insulating plate, and the first insulating plate being disposed on a side of the main body portion facing the cap assembly and being attached to the main body portion. The first insulating member can insulate at least part of the main body portion from the shell.
    Type: Application
    Filed: January 6, 2025
    Publication date: May 1, 2025
    Inventors: Wenwei Chen, Wenlin Zhou, Xiangyan Bu, Xinxiang Chen, Peng Wang, Haizu Jin
  • Publication number: 20250118855
    Abstract: Provided are end cover, battery cell, battery, electrical device, and manufacturing method. The end cover is provided with a first recess and a second recess at two sides thereof in its thickness direction, respectively. The first recess has a first bottom surface, and the second recess has a second bottom surface. A pressure relief portion is formed at a portion of the end cover between the first bottom surface and the second bottom surface along the thickness direction. The pressure relief portion has a weakened portion, and the weakened portion is broken when pressure is to be relieved from the battery cell. The end cover is provided with a first recess and a second recess at two sides thereof in the thickness direction, respectively.
    Type: Application
    Filed: December 17, 2024
    Publication date: April 10, 2025
    Inventors: Ting Zheng, Wenlin Zhou, Quankun Li, Lulu Bai
  • Publication number: 20250105410
    Abstract: Provided an end cover assembly, a battery cell, a battery, and an electric apparatus. The end cover assembly in the embodiments of the present application includes: an end cover provided with a first through hole; and an electrode leading-out member including a connecting plate and a post terminal protruding from a surface of the connecting plate, at least part of the post terminal being disposed in the first through hole, and the connecting plate being located on one side of the end cover, where the connecting plate is connected to a tab of an electrode assembly. In the technical solutions of the embodiments of the present application, the electrode leading-out member is provided, which increases contact area between a post and a tab, expands overcurrent area between the post terminal and the connecting plate, reduces internal resistance, lowers temperature rise, and improves the safety performance of a battery cell.
    Type: Application
    Filed: December 9, 2024
    Publication date: March 27, 2025
    Inventors: Yongfeng Xie, Quankun Li, Wenlin Zhou, Wenzhong Liu, Liqin Wang
  • Publication number: 20250096399
    Abstract: This application provides an exhaust device, a battery cell, a battery, and an electricity-consuming device. The exhaust device includes an exhaust body, a first venting member, and a second venting member; the first venting member is disposed on the exhaust body; the second venting member is disposed on the exhaust body and is disposed on a side of the first venting member in a thickness direction of the exhaust body, and the first venting member and the second venting member are configured to allow gas to pass through when gas pressure in the battery cell reaches a first threshold. The exhaust device provided by this application facilitates reducing the risk of electrolyte solution leakage inside the battery cell and ensuring normal pressure relief operation of the battery cell, thus further improving the safety performance of the battery cell.
    Type: Application
    Filed: November 29, 2024
    Publication date: March 20, 2025
    Inventors: Liangfan Xu, Wenlin Zhou, Xing Li, Haizu Jin
  • Publication number: 20250079625
    Abstract: This application discloses an end cover assembly, a battery cell, a battery, and an electric apparatus. The end cover assembly includes a cover body, a first rib, and a second rib, where the cover body is provided with a pressure relief mechanism, the first rib and the second rib are both disposed on the cover body, the first rib is disposed around the pressure relief mechanism, and the second rib is disposed on a side of the first rib facing away from the pressure relief mechanism. With the foregoing technical solution used, use safety of the battery cell is effectively improved.
    Type: Application
    Filed: November 14, 2024
    Publication date: March 6, 2025
    Applicant: Contemporary Amperex Technology (Hong Kong) Limited
    Inventors: Kaihuan YANG, Qi Cheng, Wenlin Zhou, Xiang Mei, Jian Zhou, Quankun Li
  • Publication number: 20250079671
    Abstract: A battery cell includes a shell having an opening, an electrode assembly accommodated in the shell, an end cover assembly used for closing the opening and provided with a liquid injection hole, and a blocking member provided separated from the end cover assembly and located on a side, facing the electrode assembly, of the end cover assembly. The blocking member is configured to at least partially block the liquid injection hole and allow a fluid medium to flow through the blocking member to an interior of the shell. The battery cell has a blocking member that blocks the liquid injection hole, and the fluid medium is at least partially blocked by the blocking member after passing through the liquid injection hole, so that the fluid medium enters the interior of the shell after passing through the blocking member.
    Type: Application
    Filed: November 15, 2024
    Publication date: March 6, 2025
    Inventors: Wenlin ZHOU, Wenzhong LIU, Jian ZHOU, Quankun LI
  • Publication number: 20250079652
    Abstract: A battery cell includes a housing, at least one electrode assembly and a support member. The housing has a wall part. The electrode assembly has a main body and at least one tab. In the first direction, the tab protrudes from an end of the main body facing the wall part. The tab includes a root part and a tab part, and the root part connects the main body and the tab part. The support member is provided at one side of the main body facing the wall part. The support member includes at least one wing part, and the tab part is bent around the wing part. The wing part is provided with an accommodation part, and the accommodation part is used to accommodate a portion of the root part.
    Type: Application
    Filed: November 15, 2024
    Publication date: March 6, 2025
    Inventors: Liangfan XU, Wenlin ZHOU, Qianqian ZHANG, Xing LI, Quankun LI, Shaojun NIU, Haizu JIN
  • Publication number: 20250079651
    Abstract: A battery cell includes an electrode assembly, a support member, and a conductive member. The electrode assembly has a main body part and a tab, and along first direction, the tab protrudes from one end of main body part. The tab is bent around the support member. In second direction, the tab includes a bent part located on one side of support member, and second direction is perpendicular to first direction. The conductive member is connected to the tab. The tab also includes a fixed area connected to the conductive member. In first direction, the fixed area is located on the side of support member facing away from the main body part.
    Type: Application
    Filed: November 15, 2024
    Publication date: March 6, 2025
    Inventors: Wenlin ZHOU, Ting ZHENG, Quankun LI, Peng WANG
  • Publication number: 20250079584
    Abstract: A battery cell includes a casing, an electrode assembly, an end cover assembly and a support member. The casing has an opening. The electrode assembly has a main body and tabs protruding from the main body. The electrode assembly is accommodated in the casing. The end cover assembly covers the opening. The support member is located in the casing, and the tabs are bent around the support member. In the above, the support member is connected to the end cover assembly, to fix the support member. The battery cell is provided therein with the support member, and the tabs are bent around the support member. In addition, the support member is connected to the end cover assembly.
    Type: Application
    Filed: November 15, 2024
    Publication date: March 6, 2025
    Inventors: Wenlin ZHOU, Liangfan XU, Qianqian ZHANG, Quankun LI, Peng WANG
  • Publication number: 20250079638
    Abstract: A battery cell includes a shell, an electrode assembly, an end cover assembly, a support member, and a terminal assembly; the shell has an opening; the electrode assembly is accommodated in the shell; the end cover assembly is closed to the opening; the support member is disposed between the end cover assembly and a main body of the electrode assembly; at least a portion of the terminal assembly extends between the end cover assembly and the support member, and the terminal assembly is conductively connected to a tab of the electrode assembly; a first accommodating portion is disposed on a first surface, facing the end cover assembly, of the support member, and the first accommodating portion is configured to accommodate at least a portion of the terminal assembly.
    Type: Application
    Filed: November 19, 2024
    Publication date: March 6, 2025
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Ting ZHENG, Wenlin ZHOU, Lulu BAI, Quankun LI, Runchen CAI
  • Publication number: 20250079637
    Abstract: A includes a housing, an electrode assembly, and a first insulating member. The housing includes a first wall and a second wall disposed opposite each other in a first direction, where the first wall is provided with an electrode terminal. The electrode assembly is accommodated in the housing, where the electrode assembly is electrically connected to the electrode terminal, and the first wall supports the electrode assembly. The first insulating member abuts against an end of the electrode assembly facing the second wall. In the first direction, a gap is formed between a surface of the first insulating member facing away from the electrode assembly and an inner surface of the second wall.
    Type: Application
    Filed: November 15, 2024
    Publication date: March 6, 2025
    Inventors: Wenlin ZHOU, Liangfan XU, Qianqian ZHANG, Quankun LI, Peng WANG