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    Electrolytic solution and electrochemical device using the same
    1.
    发明授权
    Electrolytic solution and electrochemical device using the same 有权

    公开(公告)号：US12159970B2

    公开(公告)日：2024-12-03

    申请号：US17362730

    申请日：2021-06-29

    Applicant: Ningde Amperex Technology Limited

    Inventor： Wenqiang Li ,  Juan Ma ,  Chao Tang ,  Junfei Liu

    IPC: H01M10/0567 ,  H01M10/0525

    Abstract: An electrolytic solution includes a compound containing a —CN functional group and a compound containing a silicon functional group. M is C or Si. R11, R12, and R13 are each independently selected from a substituted or non-substituted C1-C12 alkylene group, a substituted or non-substituted C2-C12 alkenylene group, an O—R group, an R0—S—R group or an R0—O—R group, R0 and R are each independently selected from a substituted or non-substituted C1-C6 alkylene group. n is 0 or 1. R14 is H, fluorine, a cyano group, a substituted or non-substituted C1-C12 alkyl group, a substituted or non-substituted C2-C12 alkenyl group, an O—R1 group, an R0—S—R1 group, or an R0—O—R1 group. R0 is a substituted or non-substituted C1-C6 alkylene group, and R1 is a substituted or non-substituted C1-C6 alkyl group.

    ELECTROLYTIC SOLUTION AND ELECTROCHEMICAL DEVICE USING THE SAME
    4.
    发明申请
    ELECTROLYTIC SOLUTION AND ELECTROCHEMICAL DEVICE USING THE SAME 有权

    公开(公告)号：US20220123363A1

    公开(公告)日：2022-04-21

    申请号：US17362730

    申请日：2021-06-29

    Applicant: Ningde Amperex Technology Limited

    Inventor： Wenqiang Li ,  Juan Ma ,  Chao Tang ,  Junfei Liu

    IPC: H01M10/0567 ,  H01M10/0525

    Abstract: An electrolytic solution includes a compound containing a —CN functional group and a compound containing a silicon functional group. M is C or Si. R11, R12, and R13 are each independently selected from a substituted or non-substituted C1-C12 alkylene group, a substituted or non-substituted C2-C12 alkenylene group, an O—R group, an R0—S—R group or an R0—O—R group, R0 and R are each independently selected from a substituted or non-substituted C1-C6 alkylene group. n is 0 or 1. R14 is H, fluorine, a cyano group, a substituted or non-substituted C1-C12 alkyl group, a substituted or non-substituted C2-C12 alkenyl group, an O—R1 group, an R0—S—R1 group, or an R0—O—R1 group. R0 is a substituted or non-substituted C1-C6 alkylene group, and R1 is a substituted or non-substituted C1-C6 alkyl group.

    ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS INCLUDING SAME
    6.
    发明公开
    ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS INCLUDING SAME 审中-公开

    公开(公告)号：US20230207885A1

    公开(公告)日：2023-06-29

    申请号：US18087033

    申请日：2022-12-22

    Applicant: Ningde Amperex Technology Limited

    Inventor： Wenqiang Li ,  Jian Liu ,  Chao Tang

    IPC: H01M10/0569 ,  H01M4/04 ,  H01M10/0567 ,  H01M10/0568

    CPC classification number: H01M10/0569 ,  H01M4/0404 ,  H01M10/0567 ,  H01M10/0568 ,  H01M2004/028

    Abstract: An electrochemical apparatus, including an electrolyte and a positive electrode, where the electrolyte includes ethylene carbonate and propylene carbonate, the positive electrode includes a positive electrode current collector and a positive electrode active material layer disposed on at least one surface of the positive electrode current collector, and the positive electrode active material layer includes a positive electrode active material, where percentages of ethylene carbonate and propylene carbonate satisfy a specific relationship, and under an X-ray diffraction (XRD) test, a peak intensity I003 of plane 003 of the positive electrode active material layer and a peak intensity I104 of plane 104 of the positive electrode active material layer satisfy a specific relationship. With the above configuration, the electrochemical apparatus of this application shows excellent performances, especially the high-temperature floating charge performance.

    ELECTROLYTE AND ELECTROCHEMICAL APPARATUS
    7.
    发明申请
    ELECTROLYTE AND ELECTROCHEMICAL APPARATUS 有权

    公开(公告)号：US20210408597A1

    公开(公告)日：2021-12-30

    申请号：US17217211

    申请日：2021-03-30

    Applicant: Ningde Amperex Technology Limited

    Inventor： Jian Liu ,  Wenqiang Li ,  Jianming Zheng ,  Xiexue Peng

    IPC: H01M10/0567 ,  H01M10/0569 ,  H01M10/0568 ,  H01M10/0525 ,  H01M4/525 ,  C07F5/02 ,  C07C261/02 ,  C07C255/04 ,  C07C255/03 ,  C07C255/05 ,  C07C317/28

    Abstract: An electrolyte including an additive of compound of formula I, wherein n is an integer ranging from 0 to 10; R1 and R2 are each independently selected from a substituted or unsubstituted C1-C10 alkylidene group, a substituted or unsubstituted C2-C10 alkenylene group, or a substituted or unsubstituted C1-C10 alkyleneoxy group; Ai selected from CH, C, N, S, O, B or Si; A2 is selected from CH—R3, N—R3, S, O, B—R3 or SiH—R3; A3 selected from CH2, CH, C, N, S, O, B or Si; R3 is selected from hydrogen, halogen, a substituted or unsubstituted C1-C10 alkyl group, or a substituted or unsubstituted C3-C10 cycloalkyl group; Xi is selected from a substituted or unsubstituted C1-C10 alkylidene group, a substituted or unsubstituted C2-C10 alkenylene group, ═Rc═, or ═Rc—, wherein Rc is selected from a substituted or unsubstituted C2-C6 alkylidene group.

    Electrolyte and electrochemical apparatus using same
    9.
    发明授权
    Electrolyte and electrochemical apparatus using same 有权

    公开(公告)号：US12176491B2

    公开(公告)日：2024-12-24

    申请号：US17460926

    申请日：2021-08-30

    Applicant: Ningde Amperex Technology Limited

    Inventor： Yali Xiong ,  Wenqiang Li ,  Mingming Guan ,  Jianming Zheng

    IPC: H01M10/0569 ,  C07C255/04 ,  C07C255/05 ,  C07C255/16 ,  C07C309/06 ,  C07D207/46 ,  C07D327/10 ,  H01M10/0567

    Abstract: An electrolyte includes a compound of formula 1: formula 1. R1 and R2 are each independently selected from H, halogen atom, a substituted or unsubstituted C1-10 alkyl group, a substituted or unsubstituted C3-10 cycloalkyl group, a substituted or unsubstituted C2-10 alkenyl group, a substituted or unsubstituted C2-10 alkynyl group, a substituted or unsubstituted C1-10 alkoxy group, a substituted or unsubstituted C6-10 aryl group, a substituted or unsubstituted C3-10 heteroaryl group, or any combination thereof. R is selected from a substituted or unsubstituted C1-10 alkyl group, a substituted or unsubstituted C3-10 cycloalkyl group, a substituted or unsubstituted C2-10 alkenyl group, a substituted or unsubstituted C2-10 alkynyl group, a substituted or unsubstituted C1-10 alkoxy group, a substituted or unsubstituted C6-10 aryl group or a substituted or unsubstituted C3-10 heteroaryl group, a substituted or unsubstituted C3-10 heterocycloalkyl group, a butyrolactam group, or any combination thereof.

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