POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    1.
    发明申请
    POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    非电解电解质二次电池的正极电极活性材料和非电解电解质二次电池

    公开(公告)号:US20140227599A1

    公开(公告)日:2014-08-14

    申请号:US14343825

    申请日:2012-08-30

    IPC分类号: H01M4/36 H01M4/505 H01M4/525

    摘要: A positive electrode active material capable of improving an output performance of a nonaqueous electrolyte secondary battery is provided. A positive electrode active material of a nonaqueous electrolyte secondary battery 1 contains a first positive electrode active material and a second positive electrode active material. In the first positive electrode active material, the content of cobalt is 15% or more on an atomic percent basis in transition metals. In the second positive electrode active material, the content of cobalt is 5% or less on an atomic percent basis in transition metals. An average secondary particle diameter r1 of the first positive electrode active material is smaller than an average secondary particle diameter r2 of the second positive electrode active material.

    摘要翻译: 提供能够提高非水电解质二次电池的输出性能的正极活性物质。 非水电解质二次电池1的正极活性物质含有第一正极活性物质和第二正极活性物质。 在第一正极活性物质中,钴的含量在过渡金属中的原子百分比为15%以上。 在第二正极活性物质中,钴的含量在过渡金属中的原子百分比为5%以下。 第一正极活性物质的平均二次粒径r1小于第二正极活性物质的平均二次粒径r2。

    ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    2.
    发明申请
    ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
    用于非水电解质二次电池的电极,其制造方法和非水电解质二次电池

    公开(公告)号:US20130313486A1

    公开(公告)日:2013-11-28

    申请号:US13984144

    申请日:2011-11-18

    IPC分类号: H01M4/62 H01M4/131 H01M4/485

    摘要: Provided are an electrode for a non-aqueous electrolyte secondary battery capable of improving the dispersibility of a conducting agent in the electrode and forming a good conductive network, a method for producing the same, and a non-aqueous electrolyte secondary battery. An electrode for a non-aqueous electrolyte secondary battery includes an active material, a binder, carbon nanotubes, and a non-fibrous conductive carbon material, characterized in that the electrode includes a polyvinylpyrrolidone-based polymer in an amount in the range of 5 to 25 parts by mass relative to 100 parts by mass of the carbon nanotubes.

    摘要翻译: 提供一种能够提高导电剂在电极中的分散性并形成良好导电性网络的非水电解质二次电池用电极及其制造方法以及非水电解质二次电池。 非水电解质二次电池用电极包括活性物质,粘合剂,碳纳米管和非纤维状导电性碳材料,其特征在于,所述电极包含聚乙烯吡咯烷酮类聚合物,其量为5〜 相对于100质量份的碳纳米管为25质量份。

    Non-aqueous electrolyte battery and method of manufacturing the same
    4.
    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 SECONDARY BATTERY
    6.
    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:US20100239910A1

    公开(公告)日:2010-09-23

    申请号:US12728688

    申请日:2010-03-22

    IPC分类号: H01M4/52

    摘要: A non-aqueous electrolyte secondary battery including a positive electrode having a positive electrode mixture layer containing a positive electrode active material, a binder, and a conductive agent, and a negative electrode having a negative electrode active material capable of intercalating and deintercalating lithium. The positive electrode active material includes a layered lithium-transition metal composite oxide represented by the compositional formula LiaNixM(1-x)O2 where 0

    摘要翻译: 一种非水电解质二次电池,包括具有含有正极活性物质,粘合剂和导电剂的正极合剂层的正极和具有能够嵌入和脱嵌锂的负极活性物质的负极。 正极活性物质包括由组成式ⅫNixM(1-x)O 2表示的层状锂 - 过渡金属复合氧化物,其中0

    Non-aqueous electrolyte secondary battery
    9.
    发明授权
    Non-aqueous electrolyte secondary battery 有权
    非水电解质二次电池

    公开(公告)号:US07335446B2

    公开(公告)日:2008-02-26

    申请号:US11064112

    申请日:2005-02-23

    IPC分类号: H01M4/58

    摘要: Cycle performance is improved without degrading initial efficiency of a non-aqueous electrolyte secondary battery that includes a positive electrode, a negative electrode, a non-aqueous electrolyte containing a solute and a solvent, the positive electrode including a positive electrode active material made of a lithium-containing transition metal oxide that contains lithium and cobalt and has a layered structure. The lithium-containing transition metal oxide is at least partially covered with a surface-treatment layer containing a phosphate compound represented by the chemical formula M1POk, where M1 is at least one element that can have a valency of 3 and k is an integer in a range of 2 to 4, and the lithium-containing transition metal oxide contains a group IVA element M2 and a group IIA element M3 of the periodic table.

    摘要翻译: 提高循环性能而不降低包含正极,负极,含有溶质的非水电解质和溶剂的非水电解质二次电池的初期效率,所述正极包含由 含有锂和钴的含锂过渡金属氧化物并具有层状结构。 所述含锂过渡金属氧化物至少部分被表面处理层覆盖,所述表面处理层含有由化学式M 1 PO 3表示的磷酸盐化合物,其中M 1 是至少一种可以具有3价的元素,k是2至4的整数,含锂过渡金属氧化物含有IVA族元素M 2, / SUP>和元素周期表的IIA族元素M 3。

    Non-aqueous electrolyte secondary battery
    10.
    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:US20070072081A1

    公开(公告)日:2007-03-29

    申请号:US11527609

    申请日:2006-09-27

    IPC分类号: H01M4/50 H01M4/52 H01M4/58

    摘要: A high battery capacity is achieved with a non-aqueous electrolyte secondary battery employing as a positive electrode active material a lithium-containing vanadium oxide containing at least lithium and vanadium. The non-aqueous electrolyte secondary battery includes a positive electrode employing a positive electrode active material that intercalates and deintercalates lithium, a negative electrode employing a negative electrode active material that intercalates and deintercalates lithium, and a non-aqueous electrolyte solution having lithium ion conductivity. The positive electrode active material of the positive electrode includes a first positive electrode active material composed of a lithium-containing vanadium oxide containing at least lithium and vanadium, and a second positive electrode active material containing lithium and at least one element selected from the group consisting of nickel, cobalt, manganese, and iron.

    摘要翻译: 使用含有至少含有锂和钒的含锂钒氧化物作为正极活性物质的非水电解质二次电池可实现高电池容量。 非水电解质二次电池包括使用插入和脱嵌锂的正极活性物质的正极,使用插入和脱嵌锂的负极活性物质的负极和具有锂离子传导性的非水电解液。 正极的正极活性物质包括由至少含有锂和钒的含锂钒氧化物构成的第一正极活性物质和含有锂的第二正极活性物质和选自以下的至少一种元素: 的镍,钴,锰和铁。