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    • 10. 发明申请
    • FUNCTIONAL POLYMER FILM-COATED ELECTRODE AND ELECTROCHEMICAL DEVICE USING THE SAME
    • 功能性聚合物膜包覆电极和使用该电极的电化学装置
    • WO2005045957A1
    • 2005-05-19
    • PCT/KR2004/002821
    • 2004-11-04
    • LG CHEM, LTD.YONG, Hyun-HangLEE, Sang-YoungKIM, Seok-KooAHN, Soon-HoOH, Byung-Hoon
    • YONG, Hyun-HangLEE, Sang-YoungKIM, Seok-KooAHN, Soon-HoOH, Byung-Hoon
    • H01M4/02
    • H01M4/0404H01M2/1673H01M4/02H01M4/0416H01M4/13H01M4/131H01M4/133H01M4/139H01M4/1391H01M4/621H01M4/622H01M10/052H01M10/0525H01M10/0565H01M10/4235H01M2004/021H01M2004/023H01M2300/0085Y10T29/49115
    • The present invention provides an electrode in which an electrode active material particles as being interconnected are applied on current collector, wherein the interconnected surface of electrode active material particles is coated with a polymer, the polymer being present as an independent phase, while maintaining a pore structure formed among the interconnected electrode active material particles as well as an electrochemical device including the electrode. Also, the present invention provides a method for manufacturing an electrode coated with a polymer present on an interconnected surface of electrode active material as an independent phase, while maintaining a pore structure formed among the electrode active material particles, which comprises the steps of: (a) coating slurry for an electrode including an electrode active material on a current collector and drying it to form an electrode; and (b) dipping the electrode obtained from a step (a) into a solution containing the polymer dissolved therein and a method for manufacturing an electrochemical device comprising the electrode obtained by the above method. The electrode coated with a polymer as an independent phase provides an electrochemical device with improved safety and prevents degradation of performance of an electrochemical device.
    • 本发明提供了一种电极,其中互连的电极活性材料颗粒被施加在集电器上,其中电极活性材料颗粒的互连表面涂覆有聚合物,聚合物作为独立相存在,同时保持孔 在互连的电极活性材料颗粒之间形成的结构以及包括电极的电化学装置。 另外,本发明提供一种制造在电极活性物质的互连面上存在的作为独立相的聚合物的电极的制造方法,同时保持在电极活性物质粒子之间形成的孔结构,该方法包括以下步骤:( a)将包含电极活性材料的电极涂布在集电器上并干燥以形成电极; 和(b)将从步骤(a)获得的电极浸入含有溶解有聚合物的溶液中,以及包含通过上述方法获得的电极的电化学装置的制造方法。 涂覆有聚合物作为独立相的电极提供了具有改进的安全性并防止电化学装置的性能劣化的电化学装置。