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    LITHIUM ION SECONDARY BATTERY AND PROCESS FOR PRODUCTION THEREOF
    4.
    发明公开
    LITHIUM ION SECONDARY BATTERY AND PROCESS FOR PRODUCTION THEREOF 有权
    维多利亚ZU IHRER HERSTELLUNG的LITHIUMONENSEKUNDÄRBATTERIE

    公开(公告)号：EP2600457A1

    公开(公告)日：2013-06-05

    申请号：EP11812622.6

    申请日：2011-07-29

    申请人： NEC Corporation ,  NEC Energy Devices, Ltd.

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

    IPC分类号： H01M10/052 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/36 ,  H01M4/62 ,  H01M10/058

    CPC分类号： H01M4/386 ,  H01M4/0421 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/622 ,  H01M10/0525 ,  H01M10/0585 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

    摘要： In a lithium ion secondary battery including a positive electrode, a separator, a negative electrode, and a package body, the negative electrode includes simple substance silicon as a negative electrode active material, and a negative electrode binder, and is doped with lithium, and the following formulas (1) and (2) are satisfied: 1.2 ≤ M a / M c ≤ 1.9 1.0 M a / M c + M Li 1.6
    wherein an amount of lithium inserted into the negative electrode until the negative electrode reaches a potential of 0.02 V with respect to metal lithium is M a (a number of atoms), an amount of lithium released from the positive electrode until the positive electrode reaches a potential of 4.3 V with respect to metal lithium is M c (a number of atoms), and an amount of lithium with which the negative electrode is doped is M Li (a number of atoms).

    摘要翻译： 在包括正极，隔膜，负极和封装体的锂离子二次电池中，负极包括作为负极活性物质的单质硅和负极粘合剂，并掺杂有锂，并且 满足以下公式（1）和（2）：1.2‰M a / M c‰1.9 1.0 M a / M c + M Li <1.6其中插入负极直到负极 相对于金属锂达到0.02V的电位为M a（原子数），从正极释放到正电极相对于金属锂的电位达到4.3V为止的锂量为M c（a 原子数），掺杂负极的锂量为M Li（原子数）。

    POLYMER SECONDARY BATTERY AND METHOD FOR PRODUCING SAME
    5.
    发明公开
    POLYMER SECONDARY BATTERY AND METHOD FOR PRODUCING SAME 有权
    POLYMERSEKUNDÄRBATTERIEUND HERSTELLUNGSVERFAHRENDAFÜR

    公开(公告)号：EP2538485A1

    公开(公告)日：2012-12-26

    申请号：EP11744739.1

    申请日：2011-02-18

    申请人： NEC Energy Devices, Ltd.

    发明人： KAJITA, Tetsuya ,  KONO, Yasutaka ,  KASAHARA, Ryuichi ,  IRIYAMA, Jiro ,  NUMATA, Tatsuji

    IPC分类号： H01M10/058 ,  H01M2/02 ,  H01M4/36 ,  H01M10/0565

    CPC分类号： H01M4/134 ,  H01M4/0445 ,  H01M4/1395 ,  H01M4/362 ,  H01M4/366 ,  H01M4/386 ,  H01M4/483 ,  H01M4/622 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0565 ,  H01M2300/0085 ,  Y10T29/4911

    摘要： There is provided a polymer secondary battery using silicon and silicon oxide as a negative electrode active material that shows a high capacity retention rate also when a charge and discharge cycle is repeated. A polymer secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a polymer-containing gel electrolyte, wherein the negative electrode includes silicon and silicon oxide as a negative electrode active material, and the polymer-containing gel electrolyte is present in voids formed by fine division of particles of the negative electrode active material.

    摘要翻译： 提供了一种使用硅和氧化硅作为负极活性材料的聚合物二次电池，其在重复充放电循环时也显示出高的容量保持率。 一种聚合物二次电池，包括正极，负极，插入在正极和负极之间的隔膜和含聚合物的凝胶电解质，其中所述负极包括硅和氧化硅作为负极活性材料，以及 含有聚合物的凝胶电解质存在于由负极活性物质的微粒分割形成的空隙中。

    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    7.
    发明公开
    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    非水电解质二次电池

    公开(公告)号：EP2584634A1

    公开(公告)日：2013-04-24

    申请号：EP11797976.5

    申请日：2011-06-06

    申请人： NEC Energy Devices, Ltd.

    发明人： KAJITA, Tetsuya ,  TAKAHASHI, Hiroo ,  KASAHARA, Ryuichi ,  IRIYAMA, Jiro ,  NUMATA, Tatsuji

    IPC分类号： H01M4/62 ,  H01M4/131 ,  H01M10/052 ,  H01M10/0585

    CPC分类号： H01M4/485 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/525 ,  H01M10/04 ,  Y10T29/49108

    摘要： There is provided a nonaqueous electrolyte secondary battery having high capacity in which the reduction in the capacity of the battery due to the irreversible capacity in the first charge and discharge is suppressed using a high capacity positive electrode. The nonaqueous electrolyte secondary battery according to the exemplary embodiment includes a positive electrode and a negative electrode including at least one negative electrode active material selected from the group consisting of Si, a Si oxide and carbon, wherein the positive electrode includes a positive electrode active material including an oxide capable of absorbing and releasing lithium and a transition metal oxide, the transition metal oxide being represented by Li 2 MO 2 (wherein M is at least one of Cu and Ni) and including a square-planar coordination MO 4 structure, the square-planar coordination MO 4 structure forming a one-dimensional chain which shares an edge formed by two opposing oxygen atoms, wherein the relation Z ≤ Y is satisfied provided that Y represents the first charge capacity of the negative electrode, and Z represents the first charge capacity of the positive electrode.

    摘要翻译： 提供一种具有高容量的非水电解质二次电池，其中使用高容量正极来抑制由于第一次充电和放电中的不可逆容量引起的电池容量降低。 根据本示例性实施方式的非水电解质二次电池包括正极和负极，负极包括从由Si，Si氧化物和碳组成的组中选择的至少一种负极活性材料，其中正极包括正极活性物质 包括能够吸收和释放锂的氧化物和过渡金属氧化物，所述过渡金属氧化物由Li2MO2（其中M为Cu和Ni中的至少一种）表示并且包括方形平面配位MO4结构，所述方形平面配位 MO4结构形成共享由两个相对的氧原子形成的边缘的一维链，其中如果Y表示负电极的第一电荷容量，则Z≤Y，则Z表示正的第一电荷容量 电极。

    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    8.
    发明公开
    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
    非水电解质二次电池

    公开(公告)号：EP3032622A1

    公开(公告)日：2016-06-15

    申请号：EP16150030.1

    申请日：2011-06-06

    申请人： NEC Energy Devices, Ltd.

    发明人： KAJITA, Tetsuya ,  TAKAHASHI, Hiroo ,  KASAHARA, Ryuichi ,  IRIYAMA, Jiro ,  NUMATA, Tatsuji

    IPC分类号： H01M4/62 ,  H01M4/131 ,  H01M10/052 ,  H01M10/0585 ,  H01M4/36 ,  H01M4/133 ,  H01M4/134 ,  H01M4/485 ,  H01M4/525 ,  H01M10/04 ,  H01M10/42

    CPC分类号： H01M4/485 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/525 ,  H01M10/04 ,  Y10T29/49108

    摘要： There is provided a nonaqueous electrolyte secondary battery having high capacity in which the reduction in the capacity of the battery due to the irreversible capacity in the first charge and discharge is suppressed using a high capacity positive electrode. The nonaqueous electrolyte secondary battery according to the exemplary embodiment includes a positive electrode (6) and a negative electrode (3) comprising at least one negative electrode active material selected from the group consisting of Si, a Si oxide and carbon,wherein the positive electrode (6) comprises a positive electrode active material comprising an oxide capable of absorbing and releasing lithium and a transition metal oxide, the transition metal oxide being represented by Li 2 MO 2 (wherein M is at least one of Cu and Ni) and including a square-planar coordination MO 4 structure, the square-planar coordination MO 4 structure forming a one-dimensional chain which shares an edge formed by two opposing oxygen atoms, wherein a relation Z ≤ Y is satisfied provided that Y represents a first charge capacity of the negative electrode, and Z represents a first charge capacity of the positive electrode, characterized in that a relation γ

    摘要翻译： 提供一种具有高容量的非水电解质二次电池，其中使用高容量正极来抑制由于第一次充电和放电中的不可逆容量引起的电池容量降低。 根据示例性实施方式的非水电解质二次电池包括正极（6）和负极（3），负极（3）包括从由Si，Si氧化物和碳组成的组中选择的至少一种负极活性材料，其中正极 （6）包含正极活性材料，所述正极活性材料包含能够吸收和释放锂的氧化物和过渡金属氧化物，所述过渡金属氧化物由Li2MO2（其中M为Cu和Ni中的至少一种）表示并且包括方形平面 配位MO4结构，形成一个共有由两个相对的氧原子形成的边缘的一维链的正方平面配位MO4结构，其中如果Y代表负电极的第一电荷容量，满足关系Z≤Y，并且 Z表示正极的第一充电容量，其特征在于，如果α表示，则满足关系γ<α 相当于所述负极活性物质的第一不可逆容量的Li量，所述γ表示所述过渡金属氧化物在第一次充电时释放出的Li的量，所述负极至少包含Si或作为负极的Si氧化物 电极活性材料。