Nonaqueous electrolyte secondary battery
    3.
    发明授权
    Nonaqueous electrolyte secondary battery 有权
    非水电解质二次电池

    公开(公告)号:US09105944B2

    公开(公告)日:2015-08-11

    申请号:US13208731

    申请日:2011-08-12

    摘要: According to one embodiment, a nonaqueous electrolyte secondary battery includes a nonaqueous electrolytic solution, a positive electrode and a negative electrode is provided. The nonaqueous electrolytic solution comprises a nonaqueous solvent. The nonaqueous solvent comprises from 50 to 95% by volume of a sulfone-based compound represented by the following formula 1: wherein R1 and R2 are each an alkyl group having 1 to 6 carbon atoms and satisfy R1≠R2. The positive electrode comprises a composite oxide represented by Li1-xMn1.5-yNi0.5-zMy+zO4. The negative electrode comprises a negative electrode active material being capable of absorbing and releasing lithium at 1 V or more based on a metallic lithium potential.

    摘要翻译: 根据一个实施方案,非水电解质二次电池包括非水电解液,正极和负极。 非水电解液包含非水溶剂。 非水溶剂含有50〜95体积%的由下式1表示的砜系化合物:其中,R 1和R 2各自为碳原子数1〜6的烷基,并且满足R 1≠R 2。 正极包含由Li1-xMn1.5-yNi0.5-zMy + zO4表示的复合氧化物。 该负极包括能够基于金属锂电位在1V以上吸收和释放锂的负极活性物质。

    Nonaqueous electrolyte battery and battery pack
    5.
    发明授权
    Nonaqueous electrolyte battery and battery pack 有权
    非水电解液电池和电池组

    公开(公告)号:US08846229B2

    公开(公告)日:2014-09-30

    申请号:US13538153

    申请日:2012-06-29

    摘要: According to one embodiment, a non-aqueous electrolyte battery includes an electrode group. The electrode group includes a positive electrode and a negative electrode. At least one of the positive electrode or the negative electrode has a first electrode part and a second electrode part. The first electrode part includes a first metal substrate and an active material-containing part. The second electrode part includes a second metal substrate and an active material-containing part. The first metal substrate has a tensile strength larger than a tensile strength of the second metal substrate. A part of the first electrode part is provided more outside of the electrode group than a part of the second electrode group.

    摘要翻译: 根据一个实施方案,非水电解质电池包括电极组。 电极组包括正极和负极。 正极或负极中的至少一个具有第一电极部和第二电极部。 第一电极部分包括第一金属基底和含活性物质的部分。 第二电极部分包括第二金属基底和含活性物质的部分。 第一金属基板的拉伸强度大于第二金属基板的拉伸强度。 第一电极部分的一部分比第二电极组的一部分更加设置在电极组的外侧。

    POSITIVE ELECTRODE
    9.
    发明申请
    POSITIVE ELECTRODE 有权
    正极

    公开(公告)号:US20110053004A1

    公开(公告)日:2011-03-03

    申请号:US12862133

    申请日:2010-08-24

    摘要: According to one embodiment, a positive electrode includes a positive electrode layer and a positive electrode current collector. The positive electrode layer includes a positive electrode active material including a first oxide represented by the following formula (α) and/or a second oxide represented by the following formula (β). The positive electrode layer has an intensity ratio falling within a range of 0.25 to 0.7. The ratio is represented by the following formula (1) in an X-ray diffraction pattern obtained by using CuKα radiation for a surface of the positive electrode layer. LixNi1-a-bCoaMnbMcO2   (α) LixNi1-a-cCoaMcO2   (β) I2/I1   (1)

    摘要翻译: 根据一个实施例,正电极包括正极层和正极集电体。 正极层包括由下式(α)表示的第一氧化物和/或下式(bgr)表示的第二氧化物的正极活性物质。 正极层的强度比在0.25〜0.7的范围内。 在通过使用CuKα辐射获得的用于正极层的表面的X射线衍射图中,该比率由下式(1)表示。 LixNi1-a-bCoaMnbMcO2(α)LixNi1-a-cCoaMcO2(&bgr)I2 / I1(1)