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    ELECTROLYTE AND ELECTROCHEMICAL DEVICE
    51.
    发明申请
    ELECTROLYTE AND ELECTROCHEMICAL DEVICE 审中-公开

    公开(公告)号：US20190326633A1

    公开(公告)日：2019-10-24

    申请号：US16355639

    申请日：2019-03-15

    Applicant: Contemporary Amperex Technology Co., Limited

    Inventor： Tiancheng YI ,  Chunhua HU ,  Zijun XU ,  Lu MIAO ,  Chengdu LIANG

    IPC: H01M10/0567 ,  H01M10/0569 ,  H01M10/0525

    Abstract: This application provides an electrolyte and an electrochemical device, in which the electrolyte comprises an additive A and an additive B, wherein the additive A is present in an amount of 0.001% to 10% by mass in the electrolyte and the additive B is present in an amount of 0.1% to 10% by mass in the electrolyte and the electrolyte has a conductivity of 4 mS/cm to 12 mS/cm at 25° C. The present invention can improve the cycle performance and storage performance of the electrochemical device, in particular, improve the cycle performance and storage performance of the electrochemical device under high temperature and high voltage conditions while keeping the low temperature performance.

    Current Collector, Electrode Plate And Electrochemical Device
    52.
    发明申请
    Current Collector, Electrode Plate And Electrochemical Device 审中-公开

    公开(公告)号：US20190305319A1

    公开(公告)日：2019-10-03

    申请号：US16364751

    申请日：2019-03-26

    Applicant: Contemporary Amperex Technology Co., Limited

    Inventor： Chengdu LIANG ,  Huafeng HUANG ,  Qisen HUANG ,  Xin LIU

    IPC: H01M4/66 ,  H01M4/70

    Abstract: The present disclosure relates to the field of batteries and, specifically, to a current collector comprising a support layer, a conductive layer and a conductive material. The conductive layer is located on two surfaces of the support layer. A plurality of holes extending through the support layer and the conductive layer is provided in the current collector and is filled with the conductive material. The current collector of the present disclosure can improve the short circuit resistance of the battery using the current collector when a short circuit occurs under abnormal conditions, so that the short circuit current can be greatly reduced, and thus heat generated by the short circuit can be greatly reduced, thereby improving the safety performance of the battery.

    CURRENT COLLECTOR, ELECTRODE PLATE INCLUDING THE SAME AND BATTERY
    53.
    发明申请
    CURRENT COLLECTOR, ELECTRODE PLATE INCLUDING THE SAME AND BATTERY 审中-公开

    公开(公告)号：US20190173092A1

    公开(公告)日：2019-06-06

    申请号：US16209317

    申请日：2018-12-04

    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

    Inventor： Chengdu LIANG ,  Huafeng HUANG ,  Qisen HUANG

    IPC: H01M4/66 ,  H01M10/0525

    Abstract: The present disclosure provides a current collector, an electrode plate, and a battery. The current collector includes an insulation layer, a conductive layer and at least one protective layer. The insulation layer is used to support the conductive layer. The conductive layer is used to support an electrode active material layer and located above at least one surface of the insulation layer. The conductive layer has a thickness of D2 satisfying 300 nm≤D2≤2 μm. The at least one protective layer is arranged on at least one surface of the conductive layer.

    BATTERY, APPARATUS USING BATTERY, AND PREPARATION METHOD AND PREPARATION DEVICE OF BATTERY
    58.
    发明申请
    BATTERY, APPARATUS USING BATTERY, AND PREPARATION METHOD AND PREPARATION DEVICE OF BATTERY 有权

    公开(公告)号：US20230066562A1

    公开(公告)日：2023-03-02

    申请号：US18054698

    申请日：2022-11-11

    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

    Inventor： Chengdu LIANG ,  Xiaofu XU ,  Yonghuang YE ,  Haizu JIN ,  Wenwei CHEN ,  Qian LIU

    IPC: H01M50/578 ,  H01M50/209 ,  H01M50/581

    Abstract: A battery includes a protective box provided with a guiding channel and a plurality of battery cells in the protective box. The plurality of battery cells include a first battery cell and a second battery cell adjacent to each other. The first battery cell includes a pressure relief end provided with a pressure relief mechanism. The pressure relief mechanism is configured to actuate release of internal pressure of the first battery cell in response to the internal pressure or an internal temperature of the first battery cell reaching a threshold. The guiding channel is configured to guide emissions released from the pressure relief mechanism. The pressure relief end of the first battery cell is staggered with one end of the second battery cell that is close to the pressure relief end, in a direction leaving the guiding channel.

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