中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

119 records (took 0.022 seconds)

    Positive electrode plate and electrochemical device
    11.
    发明授权
    Positive electrode plate and electrochemical device 有权

    公开(公告)号：US11095008B2

    公开(公告)日：2021-08-17

    申请号：US17043711

    申请日：2019-11-15

    Applicant: Contemporary Amperex Technology Co., Limited

    Inventor： Xing Li ,  Zhenhua Li ,  Haizu Jin

    IPC: H01M4/62 ,  H01M50/581 ,  H01M4/66 ,  H01M4/02

    Abstract: This application relates to a positive electrode plate and an electrochemical device. The positive electrode plate includes a current collector, a safety coating, a difficultly soluble layer and a positive active material layer, wherein the safety coating, the difficultly soluble layer and the positive active material layer are successively disposed on the current collector; wherein the safety coating includes a polymer matrix, a conductive material and an inorganic filler; wherein the difficultly soluble layer includes a binder and a conductive agent, and wherein the binder of the difficultly soluble layer has a solubility in an oil solvent smaller than the solubility of the polymer matrix of the safety coating in such oil solvent.

    BATTERY UNIT AND MANUFACTURING METHOD THEREOF, AND BATTERY MODULE
    12.
    发明申请
    BATTERY UNIT AND MANUFACTURING METHOD THEREOF, AND BATTERY MODULE 审中-公开

    公开(公告)号：US20200373547A1

    公开(公告)日：2020-11-26

    申请号：US16879920

    申请日：2020-05-21

    Applicant: Contemporary Amperex Technology Co., Limited

    Inventor： Hu XU ,  Youlei Lai ,  Yuanbao Chen ,  Miaomiao Ren ,  Donglai Zheng ,  Haizu Jin

    IPC: H01M2/26 ,  H01M4/70 ,  H01M10/04

    Abstract: A battery unit includes: an electrode assembly, including a main body portion, and a negative tab and a positive tab, which respectively extend out from both ends of the main body portion along the length direction; a negative terminal and a positive terminal, arranged at the top of the electrode assembly; a first current collector for electrically connecting the negative tab with the negative terminal; and a second current collector for electrically connecting the positive tab with the positive terminal. The first current collector includes a first guiding plate. The first guiding plate is of a flat plate structure, and the negative tab is bent to one side of the first guiding plate away from the main body portion and is connected with the first guiding plate.

    SECONDARY BATTERY, BATTERY MODULE AND VEHICLE
    13.
    发明申请
    SECONDARY BATTERY, BATTERY MODULE AND VEHICLE 审中-公开

    公开(公告)号：US20200295317A1

    公开(公告)日：2020-09-17

    申请号：US16890457

    申请日：2020-06-02

    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

    Inventor： Fei HU ,  Dongyang Shi ,  Haizu Jin ,  Zhenhua Li ,  Ning Chen ,  Yuanbao Chen ,  Rui Yang

    IPC: H01M2/04 ,  H01M10/04 ,  H01M2/26 ,  H01M2/30

    Abstract: The present disclosure provides a secondary battery, a battery module and a vehicle. The secondary battery includes an electrode assembly, a case and a cap assembly. The case has an accommodating cavity, and the electrode assembly is accommodated in the accommodating cavity. The electrode assembly includes electrode units, and the electrode units are stacked in an axial direction of the accommodating cavity. The cap assembly includes a cap plate and an insulating member provided at an inner side of the cap plate, the cap plate is connected with the case, and the insulating member is positioned at a side of the electrode assembly in the axial direction. The insulating member is provided with a first surface at a side close to the electrode assembly, and the first surface is a flat surface.

    SECONDARY BATTERY AND BATTERY MODULE
    14.
    发明申请
    SECONDARY BATTERY AND BATTERY MODULE 审中-公开

    公开(公告)号：US20200212411A1

    公开(公告)日：2020-07-02

    申请号：US16424048

    申请日：2019-05-28

    Applicant: Contemporary Amperex Technology Co., Limited

    Inventor： Fei Hu ,  Haizu Jin ,  Dongyang Shi ,  Zhenhua Li ,  Ning Chen ,  Yuanbao Chen

    IPC: H01M2/26 ,  H01M10/0587 ,  H01M10/04 ,  H01M2/04 ,  H01M2/10

    Abstract: The present disclosure relates to a secondary battery and a battery module. The secondary battery comprises a case, comprising a base plate and a side plate connected with the base plate, wherein the base plate and the side plate form a receiving hole and an opening in communication with the receiving hole, the opening is arranged opposite to the base plate in an axial direction of the receiving hole, and the base plate has a thickness larger than that of the side plate; a cap assembly, sealingly connected with the side plate to close the opening; and an electrode assembly, disposed in the receiving hole and comprising two or more electrode units, which are stacked in the axial direction, and each electrode unit is arranged with a wide side opposite to the base plate and a narrow side toward the side plate.

    ADDITIVE AND PREPARATION METHOD AND USAGE THEREOF, AND POSITIVE ELECTRODE PLATE AND PREPARATION METHOD THEREOF
    17.
    发明申请
    ADDITIVE AND PREPARATION METHOD AND USAGE THEREOF, AND POSITIVE ELECTRODE PLATE AND PREPARATION METHOD THEREOF 有权

    公开(公告)号：US20240384014A1

    公开(公告)日：2024-11-21

    申请号：US18765363

    申请日：2024-07-08

    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

    Inventor： Jianghui Lin ,  Yanjie Zhao ,  Xing Li ,  Haizu Jin

    IPC: C08F26/06 ,  H01M4/02 ,  H01M4/62

    Abstract: This application relates to an additive having a structure of general formula I, where R1 and R2 are each independently hydrogen or a C1-C12 alkyl group; R3 and R4 are each independently hydrogen, halogen, or a C1-C12 alkyl group; R5 is hydrogen or a C1-C12 alkyl group; R6 is a 4-20-membered nitrogen-containing heterocyclic group unsubstituted or substituted with a substituent group or a 5-20-membered nitrogen-containing heteroaryl group unsubstituted or substituted with a substituent group, where the substituent group is halogen, a hydroxyl group, a primary amino group, a secondary amino group, a C1-C12 alkyl group, or a C1-C12 alkoxy group; m is an integer ranging from 1000 to 10000; and n is an integer ranging from 10 to 1000. In the additive in this application, the group R6 is a nitrogen-containing heterocyclic group or a nitrogen-containing heteroaryl group.

Patent Agency Ranking