公开(公告)号：US20120244420A1

公开(公告)日：2012-09-27

申请号：US13426020

申请日：2012-03-21

申请人： Shin SERIZAWA ,  Hiroo TAKAHASHI ,  Daisuke KAWASAKI ,  Jiro IRIYAMA ,  Ryuichi KASAHARA ,  Emiko FUJII ,  Tetsuya KAJITA ,  Tatsuji NUMATA

发明人： Shin SERIZAWA ,  Hiroo TAKAHASHI ,  Daisuke KAWASAKI ,  Jiro IRIYAMA ,  Ryuichi KASAHARA ,  Emiko FUJII ,  Tetsuya KAJITA ,  Tatsuji NUMATA

IPC分类号： H01M2/02 ,  H01M10/04

CPC分类号： H01M2/02 ,  H01M2/0212 ,  H01M2/12 ,  H01M2/1235 ,  H01M2/1247 ,  H01M2/1252 ,  H01M10/0525 ,  Y02E60/122 ,  Y02P70/54 ,  Y10T29/49112

摘要： A secondary battery according to the present exemplary embodiment is a secondary battery including a laminated electrode body provided with at least one pair of positive and negative electrodes and an outer enclosure that accommodates the laminated electrode body, wherein the outer enclosure includes one or more concave portions, inside a border corresponding to an outer edge of an electrode surface of an outermost layer of the laminated electrode body, on a surface facing the electrode surface, and wherein, when a band-shaped outer circumferential region having an area that is a half of an area inside the border is set inside the border, at least one of the concave portions is located inside the outer circumferential region.

摘要翻译： 根据本示例性实施例的二次电池是包括设置有至少一对正极和负极的层压电极体和容纳层叠电极体的外壳的二次电池，其中，所述外壳包括一个或多个凹部 在与电极表面相对的表面上的与层压电极体的最外层的电极表面的外边缘相对应的边界内，并且其中，当带状外周区域的面积为 边界内的区域设置在边界内，至少一个凹部位于外周区域的内部。

公开(公告)号：US20150200425A1

公开(公告)日：2015-07-16

申请号：US14670971

申请日：2015-03-27

申请人： Jiro IRIYAMA ,  Tetsuya KAJITA ,  Daisuke KAWASAKI ,  Ryuichi KASAHARA ,  Tatsuji NUMATA

发明人： Jiro IRIYAMA ,  Tetsuya KAJITA ,  Daisuke KAWASAKI ,  Ryuichi KASAHARA ,  Tatsuji NUMATA

IPC分类号： H01M10/48 ,  G01R31/36 ,  H02J7/00

CPC分类号： H01M10/48 ,  G01R31/362 ,  G01R31/3648 ,  G06F17/15 ,  H01M4/485 ,  H01M10/44 ,  H02J7/00 ,  H02J7/007 ,  Y02E60/122 ,  Y02P70/54

摘要： There is provided a control system for a lithium secondary battery that can quantitatively sense a deterioration state inherent in a lithium secondary battery using silicon oxide as a negative electrode active material, that is, the nonuniform reaction state of a negative electrode. A control system for a lithium secondary battery including a positive electrode, a negative electrode using silicon oxide as a negative electrode active material, and a lithium reference electrode having a reference potential with respect to the negative electrode includes measurement means for measuring a voltage V of the negative electrode with respect to the lithium reference electrode and a discharge capacity Q of the lithium secondary battery during discharge of the lithium secondary battery; generation means for generating a V-dQ/dV curve representing a relationship between dQ/dV, which is a proportion of an amount of change dQ in the discharge capacity Q to an amount of change dV in the voltage V, and the voltage V; calculation means for calculating an intensity ratio of two peaks appearing on the V-dQ/dV curve for two voltage values in the voltage V; and sensing means for sensing a state of the negative electrode utilizing the intensity ratio.

摘要翻译： 提供了一种锂二次电池的控制系统，其可以使用氧化硅作为负极活性物质，即负极的不均匀的反应状态来定量地感测锂二次电池固有的劣化状态。 一种锂二次电池的控制系统，包括正电极，使用氧化硅作为负电极活性材料的负极和相对于负电极具有参考电位的锂参比电极，包括用于测量电压V的电压V的测量装置 相对于锂参考电极的负极和锂二次电池放电期间的锂二次电池的放电容量Q; 用于产生表示作为放电容量Q中的变化量dQ与电压V中的变化量dV的比例的dQ / dV与电压V之间的关系的V-dQ / dV曲线的生成装置; 用于计算在V-dQ / dV曲线上出现的两个电压在电压V中的两个电压值的强度比的计算装置; 以及感测装置，用于利用强度比来感测负极的状态。

公开(公告)号：US20070172734A1

公开(公告)日：2007-07-26

申请号：US11626718

申请日：2007-01-24

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： H01M4/52 ,  H01M4/50

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

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; <？in-line-formula description =“In-line Formulas”end =“lead”？> Li＆lt; a1＆gt;（Ni x1）Mn 2-x1-y1 （I）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中， M1是Ti，Si，Mg和Al中的至少一种，a1满足0 a1 a2 a2 / （II）<？in-line-formula description =“In-line Formulas”end =“tail”？>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 <= a2 <= 5，y2满足0 <= y2 <0.3，z2满足0

公开(公告)号：US20100173201A1

公开(公告)日：2010-07-08

申请号：US12725756

申请日：2010-03-17

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： H01M4/00

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

公开(公告)号：US20100173200A1

公开(公告)日：2010-07-08

申请号：US12725723

申请日：2010-03-17

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： H01M4/00

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≦0.3, and the z2 satisfies 0≦z2≦2.

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＆nlE; 0.3，z2满足0＆nlE; z2＆nlE; 2。