NON-AQUEOUS ELECTROLYTE BATTERY AND METHOD OF MANUFACTURING THE SAME
    1.
    发明申请
    NON-AQUEOUS ELECTROLYTE BATTERY AND METHOD OF MANUFACTURING THE SAME 审中-公开
    非水电解电池及其制造方法

    公开(公告)号:US20090197181A1

    公开(公告)日:2009-08-06

    申请号:US12293384

    申请日:2007-03-16

    摘要: [Problem] A non-aqueous electrolyte battery is provided that shows good cycle performance and good storage performance under high temperature conditions and exhibits high reliability even with a battery configuration featuring high capacity. A method of manufacturing the battery is also provided.[Means for Solve the Problem] A non-aqueous electrolyte battery includes: a positive electrode having a positive electrode active material layer containing a positive electrode active material; a negative electrode having a negative electrode active material; a separator interposed between the positive electrode and the negative electrode; an electrode assembly including the positive electrode, the negative electrode, and the separator; and a non-aqueous electrolyte impregnated in the electrode assembly, characterized in that: the positive electrode active material contains at least cobalt or manganese; and a coating layer is formed on a surface of the positive electrode active material layer, the coating layer including filler particles and a binder.

    摘要翻译: [问题]提供一种非水电解质电池,其在高温条件下具有良好的循环性能和良好的存储性能,并且即使具有高容量的电池配置也显示出高的可靠性。 还提供了制造电池的方法。 解决问题的手段非水电解质电池包括:正极,具有含有正极活性物质的正极活性物质层; 具有负极活性物质的负极; 夹在正极和负极之间的隔膜; 包括正极,负极和隔板的电极组件; 以及浸渍在所述电极组件中的非水电解质,其特征在于:所述正极活性物质至少含有钴或锰; 并且在正极活性物质层的表面上形成涂层,所述涂层包括填料颗粒和粘合剂。

    Non-aqueous electrolyte battery and method of manufacturing the same
    5.
    发明授权
    Non-aqueous electrolyte battery and method of manufacturing the same 失效
    非水电解质电池及其制造方法

    公开(公告)号:US08053112B2

    公开(公告)日:2011-11-08

    申请号:US11723184

    申请日:2007-03-16

    IPC分类号: H01M4/13 H01M4/60 H01M4/58

    摘要: A non-aqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer containing a positive electrode active material, a negative electrode having a negative electrode active material, a separator interposed between the positive electrode and the negative electrode, an electrode assembly comprising the positive electrode, the negative electrode, and the separator, and a non-aqueous electrolyte impregnated in the electrode assembly. The positive electrode active material contains at least cobalt or manganese. The positive electrode has an end-of-charge potential of 4.40 V versus the potential of a lithium reference electrode. The positive electrode active material layer is superficially coated with a polymer layer composed of a polymer having a partially cross-linked structure and a molecular weight of 800,000 or greater.

    摘要翻译: 非水电解质二次电池包括具有含有正极活性物质的正极活性物质层的正极,具有负极活性物质的负极,插入正极和负极之间的隔膜,电极组件 包括正电极,负电极和隔膜,以及浸渍在电极组件中的非水电解质。 正极活性物质至少含有钴或锰。 正极具有4.40V的充电电位电位与锂参比电极的电位相关。 正极活性物质层由具有部分交联结构且分子量为80万以上的聚合物构成的聚合物层进行表面涂布。

    Non-aqueous electrolyte battery and method of manufacturing the same
    7.
    发明申请
    Non-aqueous electrolyte battery and method of manufacturing the same 失效
    非水电解质电池及其制造方法

    公开(公告)号:US20070218369A1

    公开(公告)日:2007-09-20

    申请号:US11723184

    申请日:2007-03-16

    IPC分类号: H01M2/16 H01M4/52

    摘要: A non-aqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer containing a positive electrode active material, a negative electrode having a negative electrode active material, a separator interposed between the positive electrode and the negative electrode, an electrode assembly comprising the positive electrode, the negative electrode, and the separator, and a non-aqueous electrolyte impregnated in the electrode assembly. The positive electrode active material contains at least cobalt or manganese. The positive electrode has an end-of-charge potential of 4.40 V versus the potential of a lithium reference electrode. The positive electrode active material layer is superficially coated with a polymer layer composed of a polymer having a partially cross-linked structure and a molecular weight of 800,000 or greater.

    摘要翻译: 非水电解质二次电池包括具有含有正极活性物质的正极活性物质层的正极,具有负极活性物质的负极,插入正极和负极之间的隔膜,电极组件 包括正电极,负电极和隔膜,以及浸渍在电极组件中的非水电解质。 正极活性物质至少含有钴或锰。 正极具有4.40V的充电电位电位与锂参比电极的电位相关。 正极活性物质层由具有部分交联结构且分子量为80万以上的聚合物构成的聚合物层进行表面涂布。

    Non-aqueous electrolyte battery and method of manufacturing the same
    10.
    发明授权
    Non-aqueous electrolyte battery and method of manufacturing the same 失效
    非水电解质电池及其制造方法

    公开(公告)号:US07572548B2

    公开(公告)日:2009-08-11

    申请号:US11477791

    申请日:2006-06-30

    IPC分类号: H01M2/02

    摘要: A non-aqueous electrolyte battery and a method of manufacturing the battery are provided. The non-aqueous electrolyte battery has a positive electrode including a positive electrode active material-layer stack containing a plurality of different positive electrode active materials and formed on a positive electrode current collector surface, a negative electrode including a negative electrode active material layer, and a separator interposed between the electrodes. The positive electrode active material-layer stack includes two or more layers respectively containing different positive electrode active material components, and of the two or more layers, the layer nearer the positive electrode current collector is formed by coating the collector with a positive electrode active material having the highest resistance increase rate and a conductive agent contained in that positive electrode active material by cold spraying.

    摘要翻译: 提供非水电解质电池和制造电池的方法。 非水电解质电池具有包含正极活性物质层叠层的正极,正极活性物质层叠层含有多个不同的正极活性物质,形成在正极集电体表面上,负极包括负极活性物质层,以及 插入在电极之间的隔膜。 正极活性物质层叠层包括分别含有不同的正极活性物质成分的两层以上的层,并且在两层以上的层中,靠近正极集电体的层通过用正极活性物质 通过冷喷涂具有最高的电阻增加率和包含在该正极活性材料中的导电剂。