POSITIVE ACTIVE MATERIAL COMPOSITION AND POSITIVE ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME
    33.
    发明申请
    POSITIVE ACTIVE MATERIAL COMPOSITION AND POSITIVE ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME 有权
    电化学装置的正极活性物质组合物和正极,以及包括其的电化学装置

    公开(公告)号:US20120064405A1

    公开(公告)日:2012-03-15

    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。

    Method for producing non-aqueous electrolyte secondary battery
    36.
    发明授权
    Method for producing non-aqueous electrolyte secondary battery 失效
    制造非水电解质二次电池的方法

    公开(公告)号:US07481853B2

    公开(公告)日:2009-01-27

    申请号:US11383228

    申请日:2006-05-15

    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。

    Non-aqueous electrolyte secondary battery
    38.
    发明申请
    Non-aqueous electrolyte secondary battery 审中-公开
    非水电解质二次电池

    公开(公告)号:US20070092796A1

    公开(公告)日:2007-04-26

    申请号:US11447039

    申请日:2006-06-06

    Abstract: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive and negative electrodes, and a non-aqueous electrolyte. The positive and negative electrodes are wound together with the separator. The negative electrode includes composite particles and a binder. Each of the composite particles includes: a negative electrode active material including an element capable of being alloyed with lithium; carbon nanofibers that are grown from a surface of the negative electrode active material; and a catalyst element for promoting the growth of the carbon nanofibers. The binder comprises a polymer having at least one selected from the group consisting of an acrylic acid unit, an acrylic acid salt unit, an acrylic acid ester unit, a mathacrylic acid unit, a methacrylic acid salt unit, and a mathacrylic acid ester unit.

    Abstract translation: 一种非水电解质二次电池,包括正电极,负电极,插在正极和负极之间的隔膜和非水电解质。 正极和负极与隔板缠绕在一起。 负极包括复合颗粒和粘合剂。 复合颗粒中的每一个包括:负极活性物质,其包括能够与锂合金化的元素; 从负极活性物质的表面生长的碳纳米纤维; 以及促进碳纳米纤维生长的催化剂元素。 粘合剂包括具有选自丙烯酸单元,丙烯酸盐单元,丙烯酸酯单元,数学丙烯酸单元,甲基丙烯酸盐单元和数学丙烯酸酯单元中的至少一种的聚合物。

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