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    Positive electrode active material for secondary cell, positive electrode for secondary cell using same, and secondary cell
    1.
    发明授权
    Positive electrode active material for secondary cell, positive electrode for secondary cell using same, and secondary cell 有权
    二次电池用正极活性物质，二次电池用正极和二次电池

    公开(公告)号：US07179566B2

    公开(公告)日：2007-02-20

    申请号：US10486150

    申请日：2003-03-07

    申请人： Daisuke Kawasaki ,  Takehiro Noguchi ,  Tatsuji Numata

    发明人： Daisuke Kawasaki ,  Takehiro Noguchi ,  Tatsuji Numata

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

    CPC分类号： H01M10/052 ,  H01M4/1315 ,  H01M4/505 ,  H01M4/525

    摘要： A cathode active material for a secondary battery including a lithium-manganese composite oxide having a spinel structure and represented by the following general formula (I), Lia(MxMn2-x-y-zYyAz)(O4-wZw) (I), wherein 0.5≦x≦1.2, 0≦y, 0≦z, x+y+z

    摘要翻译： 一种二次电池用正极活性物质，其包含具有尖晶石结构并由以下通式（I）表示的锂锰复合氧化物，其中，M 1，M 2， （O 4 -W Z Z）Z 2 O 3 Z 2 O 2 Z 3 Z Z ）（I）其中0.5 <= x <= 1.2,0 <= y，0 <= z，x + y + z <2,0 <= a <= 1.2和0 <= w < M至少包含Co，并且还可以含有选自Ni，Fe，Cr和Cu中的至少一种元素; Y是选自Li，Be，B，Na，Mg，Al，K和Ca中的至少一种元素; A是Ti和Si中的至少一种; Z是F和Cl中的至少一个。 当用于二次电池的阴极活性材料用作二次电池的阴极时，可以在抑制循环之后的容量降低和晶体结构在较高温度下的劣化的可靠性降低的同时，实现更高的操作 。

    LITHIUM SECONDARY BATTERY
    4.
    发明申请
    LITHIUM SECONDARY BATTERY 审中-公开
    锂二次电池

    公开(公告)号：US20110318637A1

    公开(公告)日：2011-12-29

    申请号：US13225244

    申请日：2011-09-02

    申请人： Takehiro Noguchi ,  Masaaki Matsuu ,  Ryuichi Kasahara ,  Tatsuji Numata ,  Yutaka Bannai

    发明人： Takehiro Noguchi ,  Masaaki Matsuu ,  Ryuichi Kasahara ,  Tatsuji Numata ,  Yutaka Bannai

    IPC分类号： H01M4/485 ,  H01B1/02 ,  H01M4/64 ,  H01M4/525 ,  H01M4/505

    CPC分类号： H01M4/505 ,  H01M4/485 ,  H01M4/525

    摘要： An objective of the present invention is to provide a lithium secondary battery which can achieve a higher capacity and a longer life without reduction in a lower voltage in the battery. In the present invention, a compound represented by general formula (I) described below is used as a cathode active material, and a compound represented by general formula (II) described below is used as an anode active material; Lia1(Nix1Mn2-x1-y1M1y1)O4  (I) wherein the M1 is at least one of Ti, Si, Mg and Al, the a1 satisfies 0≦a1≦1, the x1 satisfies 0.4≦x1≦0.6, and the y1 satisfies 0≦y1≦0.4; and Lia2M21-y2M3y2Oz2  (II) wherein the M2 is at least one of Si and Sn; the M3 is at least one of Fe, Ni and Cu, the a2 satisfies 0≦a2≦5, the y2 satisfies 0≦y2

    摘要翻译： 本发明的目的是提供一种可以在不降低电池中的较低电压的情况下实现更高容量和更长寿命的锂二次电池。 在本发明中，将下述通式（I）表示的化合物用作正极活性物质，将下述通式（II）表示的化合物用作负极活性物质; Lia（Nix1Mn2-x1-y1M1y1）O4（I）其中M1是Ti，Si，Mg和Al中的至少一种，a1满足0＆nlE; a1＆nlE; 1，x1满足0.4＆nlE; x1＆nlE; 0.6，y1 满足0＆nlE; y1＆nlE; 0.4; 和Lia2M21-y2M3y2Oz2（II），其中M2是Si和Sn中的至少一种; M3是Fe，Ni和Cu中的至少一种，a2满足0＆nlE; a2＆nlE; 5，y2满足0＆nlE; y2 <0.3，z2满足0

    LITHIUM SECONDARY CELL
    8.
    发明申请
    LITHIUM SECONDARY CELL 审中-公开
    锂二次细胞

    公开(公告)号：US20140045069A1

    公开(公告)日：2014-02-13

    申请号：US14112973

    申请日：2012-04-27

    申请人： Tatsuji Numata ,  Tetsuya Kajita ,  Hiroo Takahashi ,  Daisuke Kawasaki

    发明人： Tatsuji Numata ,  Tetsuya Kajita ,  Hiroo Takahashi ,  Daisuke Kawasaki

    IPC分类号： H01M4/36

    CPC分类号： H01M4/364 ,  H01M4/131 ,  H01M4/136 ,  H01M4/386 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052 ,  H01M2010/4292

    摘要： Provided is a lithium secondary cell in which elution of manganese from a manganese olivine compound into an electrolyte is suppressed, a high level of safety is obtained, the charge/discharge cycle efficiency and suppression of leakage of manganese during storage can be maintained over a long period, a long lifespan is obtained, a rapid decrease in cell voltage near the end of discharge is suppressed, and output characteristics are enhanced, when a manganese olivine compound having excellent stability during charge/discharge is used as the principal component in the positive electrode active material. The positive electrode contains a positive electrode active material containing an olivine compound represented by LiMm1-aXaPO4 (where X represents Mg and/or Fe, and a represents a value that satisfies 0≦a≦0.3) and a lithium nickel oxide represented by LiNi1-bZbO2 (where Z represents one or more selected from Co, Mn, Al, Mg, and V; and b represents a value that satisfies 0≦b≦0.4), the content of the olivine compound being from 50 to 95 mass %.

    摘要翻译： 本发明提供一种能够抑制锰从锰橄榄石化合物溶解成电解质的锂二次电池，能够获得高水平的安全性，能够在长时间内保持充放电循环效率和锰的泄漏抑制 时间长，寿命长，抑制放电结束附近的电池电压的急剧下降，并且当充放电时的稳定性优异的锰橄榄石化合物作为正极中的主要成分时，能够提高输出特性 活性物质 正极含有含有由LiMm1-aXaPO4（其中X表示Mg和/或Fe，a表示满足0≤a≤0.3的值）的LiMm1-aXaPO4表示的橄榄石化合物的正极活性物质和由LiNi1-aXaPO4表示的锂镍氧化物， bZbO2（其中Z表示选自Co，Mn，Al，Mg和V中的一种或多种; b表示满足0 @ b @ 0.4的值），橄榄石化合物的含量为50〜95质量％。

    Secondary battery
    10.
    发明授权
    Secondary battery 有权
    二次电池

    公开(公告)号：US08227116B2

    公开(公告)日：2012-07-24

    申请号：US10582855

    申请日：2004-12-14

    申请人： Daisuke Kawasaki ,  Yuki Kusachi ,  Tatsuji Numata ,  Koji Utsugi

    发明人： Daisuke Kawasaki ,  Yuki Kusachi ,  Tatsuji Numata ,  Koji Utsugi

    IPC分类号： H01M6/16 ,  H01M6/04 ,  H01M4/13 ,  H01M4/50 ,  H01M4/58

    CPC分类号： H01M4/505 ,  H01M4/131 ,  H01M4/133 ,  H01M4/364 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0436 ,  H01M10/0525 ,  H01M10/0567 ,  H01M2300/004

    摘要： A lithium secondary battery which has excellent characteristics such as energy density and electromotive force and is excellent in cycle life and storage stability is provided. The secondary battery comprises a positive electrode, a negative electrode, and an electrolyte solution comprising an aprotic solvent having at least an electrolyte dissolved therein, wherein the positive electrode comprises a lithium-manganese composite oxide having a spinel structure as a positive electrode active material, and the electrolyte solution comprises a compound represented by the general formula (1).

    摘要翻译： 提供了具有优异特性的能量密度和电动势并且循环寿命和储存稳定性优异的锂二次电池。 二次电池包括正极，负极和包含至少溶解有电解质的非质子溶剂的电解质溶液，其中正极包括具有尖晶石结构的锂锰复合氧化物作为正极活性材料， 电解质溶液由通式（1）表示的化合物构成。