Electrode assembly and secondary lithium battery including the same

    公开(公告)号:US11329290B2

    公开(公告)日:2022-05-10

    申请号:US16606813

    申请日:2018-11-30

    Applicant: LG CHEM, LTD.

    Abstract: Disclosed are an electrode assembly, and a secondary lithium battery including the same. The electrode assembly is configured by alternately stacking two or more positive electrodes and one or more negative electrodes using a separator as a boundary therebetween, outermost positive electrodes are positioned on outermost opposite surfaces of the electrode assembly, respectively, each of the outermost positive electrodes includes a positive electrode current collector, a positive active material layer formed on one surface of the positive electrode current collector, and a non-reversible material coating layer formed on the other surface of the positive electrode current collector and including lithium oxide, and the non-reversible material coating layer is positioned on an outermost surface of the electrode assembly.

    SECONDARY BATTERY, AND APPARATUS AND METHOD FOR MANUFACTURING THE SAME

    公开(公告)号:US20200083555A1

    公开(公告)日:2020-03-12

    申请号:US16349877

    申请日:2018-02-28

    Applicant: LG Chem, Ltd.

    Abstract: The present invention relates to an apparatus for manufacturing a secondary battery, the apparatus comprising a radical unit sheet supply part that supplies a semi-finished radical unit sheet on which a first electrode sheet is laminated on an outermost portion thereof, a film sheet supply part that supplies a film sheet coated with a stabilized lithium metal power (SLMP) layer to attach the film sheet to each of top and bottom surfaces of the semi-finished radical unit sheet, a film sheet pressing part that allows the SLMP layer applied to the film sheet to be bonded to each of the top and bottom surfaces of the semi-finished radical unit sheet, and a film sheet removing part that removes the film sheet from the SLMP layer bonded to the semi-finished radical unit sheet to manufacture a finished radical unit sheet.

    POSITIVE ELECTRODE HAVING ENHANCED CONDUCTIVITY AND SECONDARY BATTERY INCLUDING THE SAME
    8.
    发明申请
    POSITIVE ELECTRODE HAVING ENHANCED CONDUCTIVITY AND SECONDARY BATTERY INCLUDING THE SAME 审中-公开
    具有增强电导率的正极和包括其的二次电池

    公开(公告)号:US20160099471A1

    公开(公告)日:2016-04-07

    申请号:US14862294

    申请日:2015-09-23

    Applicant: LG CHEM, LTD.

    Abstract: Disclosed is a positive electrode for secondary batteries including a positive electrode mix coated on a current collector. More particularly, disclosed are a positive electrode for secondary batteries including a positive electrode mix coated on a current collector and a secondary battery including the same, wherein the current collector includes carbon nanotubes (CNTs) vertically grown from a surface of the current collector, the positive electrode mix contact the current collector in a state that at least a portion of the positive electrode mix is interposed in a space between the carbon nanotubes, and the positive electrode has high conductivity and safety.

    Abstract translation: 公开了一种二次电池用正极,其包括涂布在集电体上的正极混合物。 更具体地说,公开了一种二次电池用正极,其包括涂布在集电体上的正极混合物和包含该正极混合物的二次电池,其中集电体包括从集电体的表面垂直生长的碳纳米管(CNT), 正极混合物以至少一部分正极混合物插入碳纳米管之间的空间的状态下与集电体接触,正极具有高导电性和安全性。

Patent Agency Ranking