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    Secondary cell, battery pack, electric vehicle, power storage system, power tool, and electronic apparatus
    53.
    发明专利
    Secondary cell, battery pack, electric vehicle, power storage system, power tool, and electronic apparatus 审中-公开
    二次电池，电池组，电动车，蓄电系统，电动工具及电子设备

    公开(公告)号：JP2013048061A

    公开(公告)日：2013-03-07

    申请号：JP2011186354

    申请日：2011-08-29

    Applicant: Sony Corp ,  ソニー株式会社

    Inventor： FUJIKI SATOSHI ,  FUKUTOME HIROMASA ,  MOTOHASHI KAZUNARI ,  HOSOYA YOSUKE ,  KUDO YOSHIHIRO

    IPC: H01M10/052 ,  C01B25/45 ,  C01G45/00 ,  C01G51/00 ,  C01G53/00 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M10/0563 ,  H01M10/44

    CPC classification number: H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5805 ,  Y02E60/122

    Abstract: PROBLEM TO BE SOLVED: To provide a secondary cell capable of achieving excellent battery characteristics.SOLUTION: The secondary cell includes a positive electrode and a negative electrode as well as electrolyte. The positive electrode contains lithium transition metal complex compound having lithium, one or at least two transition metals, magnesium and oxygen as a constituent element. In a standardized X-ray absorption spectrum of the lithium transition metal complex compound measured by the X-ray absorption spectrometry, a first absorption edge having absorption edge energy E1 in an X-ray absorption intensity of 0.5 exists within a range of X-ray energy of 1303 to 1313 eV under a discharge state of a discharge voltage of 3.0 V. A second absorption edge having absorption edge energy E2 in an X-ray absorption intensity of 0.5 exists under a charge state of a charge voltage of 4.3 to 4.5 V. The absorption edge energy E1, E2 and the charge voltage V satisfies the relationship: E2-E1≥(V-4.25)×4.

    Abstract translation: 要解决的问题：提供能够实现优异的电池特性的二次电池。 解决方案：二次电池包括正极和负极以及电解质。 正极含有具有锂，一种或至少两种过渡金属的锂过渡金属络合物，镁和氧作为构成元素。 在通过X射线吸收光谱法测定的锂过渡金属络合物的标准化X射线吸收光谱中，在X射线吸收强度为0.5的范围内存在吸收边缘能量为E1的第一吸收边缘，X射线吸收强度为0.5， 在放电电压为3.0V的放电状态下，能量为1303〜1313eV。在充电电压为4.3〜4.5V的充电状态下，存在X射线吸收强度为0.5的吸收边缘能量E2的第二吸收边缘 吸收边缘能量E1，E2和充电电压V满足E2-E1≥（V-4.25）×4的关系。 版权所有（C）2013，JPO＆INPIT

    Secondary battery
    56.
    发明专利
    Secondary battery 审中-公开
    二次电池

    公开(公告)号：JP2012074403A

    公开(公告)日：2012-04-12

    申请号：JP2012009453

    申请日：2012-01-19

    Applicant: Sony Corp ,  ソニー株式会社

    Inventor： OGAWA KENICHI ,  AKASHI HIROYUKI ,  TAKAGI KUMIKO ,  HARA TOMITARO ,  OBANA YOSHIAKI ,  HOSOYA YOSUKE

    IPC: H01M2/16 ,  H01M4/587 ,  H01M10/052

    CPC classification number: Y02E60/122

    Abstract: PROBLEM TO BE SOLVED: To provide a battery capable of improving energy density and battery characteristics, such as cycle characteristics and high temperature storage characteristics.SOLUTION: In the battery, a positive electrode 21 and a negative electrode 22 are arranged to oppose each other with a separator 23 interposed therebetween, and an open circuit voltage in a completely charged state is in a range of from 4.25 V or more to 6.00 V or less. The separator 23 has a base material layer 23A and a surface layer 23B, and the surface layer 23B opposing to the positive electrode 21 is formed of at least one selected from the group consisting of polyvinylidene fluoride, polytetrafluoroethylene, polypropylene and aramid.

    Abstract translation: 要解决的问题：提供能够提高能量密度和电池特性的电池，例如循环特性和高温存储特性。 解决方案：在电池中，正极21和负极22被布置成隔着隔板23彼此相对，并且完全充电状态的开路电压处于4.25V或 多达6.00 V以下。 隔板23具有基材层23A和表面层23B，与正极21相对的表面层23B由选自聚偏氟乙烯，聚四氟乙烯，聚丙烯和芳族聚酰胺中的至少一种形成。 版权所有（C）2012，JPO＆INPIT

    Positive electrode active material and nonaqueous electrolyte secondary battery
    57.
    发明专利
    Positive electrode active material and nonaqueous electrolyte secondary battery 有权
    正极电极活性材料和非电解电解质二次电池

    公开(公告)号：JP2011129498A

    公开(公告)日：2011-06-30

    申请号：JP2010105025

    申请日：2010-04-30

    Applicant: Sony Corp ,  ソニー株式会社

    Inventor： MOTOHASHI KAZUNARI ,  HOSOYA YOSUKE ,  MORITA KOSHI ,  ENDO KASUAKI ,  FUJIKI SATOSHI

    IPC: H01M4/525 ,  C01B25/37 ,  C01G51/00 ,  H01M4/36 ,  H01M4/485 ,  H01M4/505 ,  H01M10/052

    CPC classification number: Y02E60/122

    Abstract: PROBLEM TO BE SOLVED: To provide a lithium positive electrode active material and a nonaqueous electrolyte secondary battery wherein superior cycle characteristics and high temperature storage characteristics can be obtained while suppressing lowering in discharge capacity. SOLUTION: The nonaqueous electrolyte secondary battery is equipped with a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes: lithium; the main transition metal M1; and particles of lithium transition metal complex oxide to contain a metal element M2 different from the main transition metal M1. The metal element M2 has a concentration gradient from the particle center toward a particle surface. A ratio d(%) from the particle surface to a prescribed depth (=[(mass of main transition metal M1)+(mass of metal element M2)]/(particle all mass)) is a mol fraction r (=(material amount of metal element M2)/[(material amount of main transition metal M1)+(material amount of metal element M2)]) is within a range of 0.20≤r≤0.80 within a range to satisfy 0.020%≤d≤0.050%. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 解决的问题：提供一种锂正极活性物质和非水电解质二次电池，其具有优异的循环特性和高温保存特性，同时抑制放电容量的降低。 非水电解质二次电池配备有正极，负极和电解质。 正极包括：锂; 主要过渡金属M1; 和锂过渡金属复合氧化物颗粒，以含有不同于主过渡金属M1的金属元素M2。 金属元素M2具有从粒子中心向粒子表面的浓度梯度。 从粒子表面到规定深度（= [（主过渡金属M1的质量）+（金属元素M2的质量）] /（粒子全质量）的比率d（％）为摩尔分数r（=（材料 金属元素量M2）/ [（主过渡金属M1的材料量）+（金属元素M2的材料量）]在0.20≤r≤0.80的范围内，在满足0.020％≤d≤0.050％的范围内 。 版权所有（C）2011，JPO＆INPIT

    Positive electrode active material, positive electrode, and nonaqueous electrolyte cell, and method of preparing positive electrode active material
    58.
    发明专利
    Positive electrode active material, positive electrode, and nonaqueous electrolyte cell, and method of preparing positive electrode active material 有权
    正极电极活性材料，阳极电极和非电解电解质细胞，以及制备电极活性材料的方法

    公开(公告)号：JP2011082133A

    公开(公告)日：2011-04-21

    申请号：JP2010105024

    申请日：2010-04-30

    Applicant: Sony Corp ,  ソニー株式会社

    Inventor： MOTOHASHI KAZUNARI ,  HOSOYA YOSUKE ,  MORITA KOSHI ,  FUJIKI SATOSHI ,  RI KOKUKA

    IPC: H01M4/485 ,  C01G51/00 ,  C01G53/00 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525

    CPC classification number: Y02E60/122

    Abstract: PROBLEM TO BE SOLVED: To provide a positive-electrode active material having high capacity, superior capacity for charging/discharging cycle, and at the same time, with less degradation, when under high-temperature atmosphere. SOLUTION: The positive-electrode active material is used with a composition such that at least one of sulfur (S), phosphorus (P), and fluorine (F) exists in the aggregate on the surface of a complex-oxide particle containing transition metal and metallic element M; and that the metallic element M has concentration gradient getting concentrated toward the surface from the center of the complex-oxide particle. The positive-electrode active material having such a composition can be constituted, by preliminarily mixing and burning the compound containing lithium, the compound containing the transition metal, and the compound containing the metallic element M; by depositing the compound containing at least one of sulfur (S), phosphorus (P) and fluorine (F) on the surface of the complex-oxide particle; and by burning it again. It is preferable that the compound or its thermolysis product have a melting point of ≥70°C and ≤600°C. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种高容量的正极活性物质，充放电循环的优异的容量，同时在高温环境下同时具有较少的降解。 解决方案：正极活性材料使用的组合物使得在复合氧化物颗粒表面上的聚集体中存在硫（S），磷（P）和氟（F）中的至少一种） 含有过渡金属和金属元素M; 并且金属元素M的浓度梯度从复合氧化物颗粒的中心向表面浓缩。 具有这种组成的正极活性物质可以通过预先混合和燃烧含锂化合物，含有过渡金属的化合物和含有金属元素M的化合物来构成; 通过在复合氧化物颗粒的表面上沉积含有硫（S），磷（P）和氟（F）中的至少一种的化合物） 并再次燃烧。 化合物或其热解产物的熔点优选为≥70℃，≤600℃。 版权所有（C）2011，JPO＆INPIT

    Positive electrode active material, method for manufacturing positive electrode active material, and nonaqueous electrolyte battery
    59.
    发明专利
    Positive electrode active material, method for manufacturing positive electrode active material, and nonaqueous electrolyte battery 有权
    正极电极活性材料，制造电极活性材料的方法和非电解电解质电池

    公开(公告)号：JP2010257624A

    公开(公告)日：2010-11-11

    申请号：JP2009103791

    申请日：2009-04-22

    Applicant: Sony Corp ,  ソニー株式会社

    Inventor： WATANABE HARUO ,  OYAMA YUUDAI ,  HOSOYA YOSUKE ,  FUJITA SHIGERU

    IPC: H01M4/525 ,  H01M4/36

    CPC classification number: Y02E60/122

    Abstract: PROBLEM TO BE SOLVED: To provide a positive electrode active material capable of suppressing gas generation, and to provide a method for manufacturing the positive electrode active material, and a nonaqueous electrolyte battery. SOLUTION: A positive electrode 13 has the positive electrode active material, and the positive electrode active material has a lithium complex oxide particle containing nickel as a main component, and a coating layer formed on at least part of the surface of the lithium complex oxide particle. The coating layer contains an oxo acid and/or an oxo acid compound, and an acidity of the surface of the lithium complex oxide particle is increased by the coating layer to a determined acidity. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 解决的问题：提供能够抑制气体产生的正极活性物质，提供正极活性物质的制造方法和非水电解质电池。 解决方案：正极13具有正极活性物质，正极活性物质具有以镍为主要成分的锂复合氧化物粒子，在锂的表面的至少一部分上形成有被覆层 复合氧化物颗粒。 涂层含有含氧酸和/或含氧酸化合物，并且通过涂层将锂复合氧化物颗粒的表面的酸度提高到确定的酸度。 版权所有（C）2011，JPO＆INPIT

    Positive electrode active material, positive electrode, and non-aqueous electrolyte secondary battery
    60.
    发明专利
    Positive electrode active material, positive electrode, and non-aqueous electrolyte secondary battery 审中-公开
    正极电极活性材料，阳极电极和非水电解质二次电池

    公开(公告)号：JP2010080407A

    公开(公告)日：2010-04-08

    申请号：JP2008250491

    申请日：2008-09-29

    Applicant: Sony Corp ,  ソニー株式会社

    Inventor： MORITA KOSHI ,  KUDO YOSHIHIRO ,  HOSOYA YOSUKE

    IPC: H01M4/36 ,  H01M4/485 ,  H01M4/525

    CPC classification number: Y02E60/122

    Abstract: PROBLEM TO BE SOLVED: To provide: a positive electrode active material having a high capacity, with superior charge and discharge cycle characteristics, and capable of suppressing the occurrence of gas; a positive electrode using this; and a non-aqueous electrolyte secondary battery. SOLUTION: The positive electrode 21 has a positive electrode active material. The positive electrode active material has: lithium transition metal compound oxide particles containing lithium and a transition metal as a constituent element; and a covering layer provided at least on part of the surface of the lithium transition metal compound oxide particles. Manganese (Mn) is included at least in the covering layer, and in the absolute value of a radius vector structure function obtained by Fourier transforming an extensive X-ray absorption fine structure (EXAFS) multiplying cube of the cycle of a photoelectron at MnK absorption end, the ratio of a second proximity peak intensity near 5.2 Å to the first proximity peak intensity near 1.5 Å is 0.3 or more. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：提供：具有高容量，具有优异的充放电循环特性并能够抑制气体发生的正极活性物质; 使用这种正极; 和非水电解质二次电池。 正极21具有正极活性物质。 所述正极活性物质具有含有锂和过渡金属作为构成元素的锂过渡金属复合氧化物粒子， 以及设置在锂过渡金属复合氧化物粒子的至少一部分表面上的覆盖层。 锰（Mn）至少包含在覆盖层中，并且以通过傅立叶变换在MnK吸收下倍增光电子循环的立方体的广泛X射线吸收精细结构（EXAFS）获得的半径向量结构函数的绝对值 在5.2附近的第二接近峰强度与接近1.5A处的第一接近峰强度的比值为0.3以上。 版权所有（C）2010，JPO＆INPIT

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