Positive active material composition and positive electrode for electrochemical device, and electrochemical device including the same
    11.
    发明授权
    Positive active material composition and positive electrode for electrochemical device, and electrochemical device including the same 有权
    正极活性物质组成和正极用于电化学装置,其电化学装置包括它们

    公开(公告)号:US08647768B2

    公开(公告)日:2014-02-11

    申请号:US13047739

    申请日:2011-03-14

    CPC classification number: H01M4/625 H01G11/32 H01M4/13 H01M10/052 Y02E60/13

    Abstract: Disclosed are a positive active material composition for an electrochemical device, a positive electrode, and an electrochemical device including the same. The positive active material composition includes: a carbon-based additive including a hydroxyl group (—OH) and an enol group (—C═C—OH) on the surface, having a peak area ratio (OH/C═COH) of a hydroxyl group peak area and an enol group peak area of an infrared spectroscopy (FT-IR) spectrum ranging from about 0.5 to about 10, having a specific surface area of about 50 m2/g to about 3000 m2/g, and having an oxygen-containing heterogeneous element in a content of less than about 15 wt %; a positive active material; a conductive material; and a binder.

    Abstract translation: 公开了一种用于电化学装置,正电极和包括其的电化学装置的正极活性材料组合物。 正极活性物质组合物包括:表面具有羟基(-OH)和烯醇基(-C = C-OH)的碳基添加剂,其表面积的峰面积比(OH / C = COH) 羟基峰面积和范围为约0.5至约10的红外光谱(FT-IR)光谱的烯醇基峰面积,比表面积为约50m 2 / g至约3000m 2 / g,并具有氧 含量小于约15重量%的异质元素; 正极活性物质; 导电材料; 和粘合剂。

    LITHIUM SECONDARY BATTERY
    12.
    发明申请
    LITHIUM SECONDARY BATTERY 审中-公开
    锂二次电池

    公开(公告)号:US20130244096A1

    公开(公告)日:2013-09-19

    申请号:US13595919

    申请日:2012-08-27

    Abstract: Provided is a lithium secondary battery having high stability and high energy density. A lithium secondary battery includes a positive electrode and a negative electrode wherein the positive electrode includes one or more positive electrode active materials selected from LiFexMyPO4, Li2FexMyP2O7, Li3FexMy(PO4)3, and LiFexMyO2, and coated on at least one surface of a current collector, where M is at least one selected from cobalt (Co), nickel (Ni), manganese (Mn), (Al), (Sn), and (Sb), 0

    Abstract translation: 提供具有高稳定性和高能量密度的锂二次电池。 锂二次电池包括正极和负极,其中正极包括一种或多种选自LiFexMyPO4,Li2FexMyP2O7,Li3FexMy(PO4)3和LiFexMyO2的正极活性物质,并涂覆在集电体的至少一个表面上 其中M为选自钴(Co),镍(Ni),锰(Mn),(Al),(Sn)和(Sb)中的至少一种,0

    Non-aqueous electrolyte secondary battery assembly
    19.
    发明授权
    Non-aqueous electrolyte secondary battery assembly 失效
    非水电解质二次电池组件

    公开(公告)号:US07166385B2

    公开(公告)日:2007-01-23

    申请号:US10450474

    申请日:2002-02-12

    Abstract: A non-aqueous electrolyte secondary battery comprising: a positive electrode plate including an outer jacket comprising a sheet-shaped positive electrode current collector and a positive electrode active material layer formed on an inner surface of the outer jacket except for a peripheral portion thereof; a negative electrode plate including an outer jacket comprising a sheet-shaped negative electrode current collector and a negative electrode active material layer formed on an inner surface of the outer jacket except for a peripheral portion thereof; a separator layer comprising a polymer electrolyte interposed between the positive electrode active material layer and the negative electrode active material layer, wherein the peripheral portion of the positive electrode current collector and the peripheral portion of the negative electrode current collector are bonded together, with an insulating material interposed therebetween.

    Abstract translation: 一种非水电解质二次电池,包括:正极板,包括外护套,所述外护套包括片状正电极集电体和形成在所述外护套的除了其周边部分的内表面之外的正极活性物质层; 包括外护套的负极板,所述外护套包括形成在所述外护套的除了其周边部分的内表面之外的片状负极集电体和负极活性物质层; 隔离层,其包含插入正极活性物质层和负极活性物质层之间的聚合物电解质,其中正极集电体的周边部分和负极集电体的周边部分用绝缘体 介于其间的材料。

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