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公开(公告)号：US20250105300A1
公开(公告)日：2025-03-27
申请号：US18973563
申请日：2024-12-09
Applicant: Ningde Amperex Technology Limited
Inventor： Kefei WANG , Zhen DAI , Yingying WANG , Feng ZHOU
IPC: H01M4/62 , H01M4/02 , H01M4/587 , H01M10/0525 , H01M10/0569
Abstract: An electrochemical device, including a cathode, an anode and an electrolyte, wherein the anode includes an anode active material layer, wherein the contact angle of the anode active material layer relative to a non-aqueous solvent is not greater than 60° as measured by a contact angle measurement. The electrochemical device of the present application has improved cycle performance.
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公开(公告)号：US20210376328A1
公开(公告)日：2021-12-02
申请号：US17056073
申请日：2019-12-25
Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED
Inventor： Kefei WANG , Qingwen ZHANG , Zhen DAI , Yingying WANG
Abstract: An electrochemical device, including a cathode; an anode; and an electrolyte. The anode has an anode mixture layer on an anode current collector, the anode mixture layer includes a carbon material as an anode active material, and at least a part of a surface of the anode mixture layer or a surface of the carbon material comprises a polymer compound having Si—C and Si—O bonds. The electrochemical device has improved cycle performance and storage performance.
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公开(公告)号：US20230155132A1
公开(公告)日：2023-05-18
申请号：US16970789
申请日：2019-12-25
Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED
Inventor： Kefei WANG , Zhen DAI , Yingying WANG , Feng ZHOU
IPC: H01M4/62 , H01M4/587 , H01M10/0569 , H01M10/0525
CPC classification number: H01M4/628 , H01M4/587 , H01M10/0569 , H01M10/0525 , H01M2004/027
Abstract: An electrochemical device including a cathode, an anode and an electrolyte. The anode includes an anode active material layer, and the contact angle of the anode active material layer relative to a non-aqueous solvent is not greater than 60° as measured by a contact angle measurement. The electrochemical device has improved cycle performance.
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