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    LITHIUM SECONDARY-BATTERY PACK, ELECTRONIC DEVICE USING SAME, CHARGING SYSTEM, AND CHARGING METHOD
    6.
    发明申请
    LITHIUM SECONDARY-BATTERY PACK, ELECTRONIC DEVICE USING SAME, CHARGING SYSTEM, AND CHARGING METHOD 审中-公开
    锂二次电池组，使用相同的电子设备，充电系统和充电方法

    公开(公告)号：US20140227562A1

    公开(公告)日：2014-08-14

    申请号：US14241663

    申请日：2012-09-03

    申请人： Haruki Kamizori ,  Itaru Gosho ,  Masayuki Yamada ,  Fusaji Kita

    发明人： Haruki Kamizori ,  Itaru Gosho ,  Masayuki Yamada ,  Fusaji Kita

    IPC分类号： H02J7/00 ,  H01M2/34

    CPC分类号： H02J7/0052 ,  H01M2/34 ,  H01M4/131 ,  H01M4/366 ,  H01M4/483 ,  H01M10/052 ,  H01M2200/106 ,  Y02T10/7011

    摘要： A lithium secondary-battery pack of the present invention includes: a lithium secondary battery including an electrode body and a non-aqueous electrolyte, the electrode body including a positive electrode and a negative electrode facing each other, and a separator interposed therebetween; a PTC (Positive Temperature Coefficient) element; and a protection circuit including a field-effect transistor, wherein the negative electrode includes a negative electrode material mixture layer containing a Si-containing material as a negative electrode active material, and, where Z represents an impedance (Ω) of the lithium secondary-battery pack and Q represents a capacity (Ah) of the lithium secondary-battery pack, an impedance capacity index represented by Z/Q is 0.055 Ω/Ah or less.

    摘要翻译： 本发明的锂二次电池组包括：锂二次电池，其包括电极体和非水电解质，所述电极体包括正极和负极彼此面对的隔膜; PTC（正温度系数）元件; 以及包括场效应晶体管的保护电路，其中所述负极包括含有含Si材料作为负极活性物质的负极材料混合物层，并且其中Z表示所述锂二次电池的阻抗（＆amp; OHgr） 电池组，Q表示锂二次电池组的容量（Ah），Z / Q表示的阻抗容量指数为0.055＆OHgr / Ah以下。

    Nonaqueous secondary battery
    7.
    发明授权
    Nonaqueous secondary battery 有权
    非水二次电池

    公开(公告)号：US08790829B2

    公开(公告)日：2014-07-29

    申请号：US13393455

    申请日：2011-09-08

    申请人： Satoshi Kono ,  Masayuki Yamada ,  Akira Inaba ,  Kazutaka Matsuo

    发明人： Satoshi Kono ,  Masayuki Yamada ,  Akira Inaba ,  Kazutaka Matsuo

    IPC分类号： H01M4/13

    CPC分类号： H01M4/587 ,  H01M4/364 ,  H01M4/386 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525

    摘要： The present invention provides a nonaqueous secondary battery with a high capacity, an excellent level of safety, and excellent charge-discharge cycle characteristics. The negative electrode contains, as negative electrode active materials, a graphite carbon material and a material containing Si as a constituent element, and the positive electrode includes, as a positive electrode active material, a lithium-containing composite oxide represented by the following general composition formula (1) and containing sulfur in a range of 0.01 mass % to 0.5 mass %: Li1+yMO2  (1) where y satisfies −0.3≦y

    摘要翻译： 本发明提供一种容量大，安全性优异，充放电循环特性优异的非水系二次电池。 负极包含作为负极活性物质的石墨碳材料和含有Si作为构成元素的材料，正极包含作为正极活性物质的由以下总体组成表示的含锂复合氧化物 式（1），含有0.01质量％〜0.5质量％范围的硫：Li1 + yMO2（1）其中y满足-0.3＆nlE; y <0.3，M表示包含Ni，Co， Mn，Mg和Al，Ba，Sr，Ti和Zr中的至少一种，并且当a，b，c和d分别表示Ni，Co，Mn和Mg时，以mol％表示，e表示Al， 构成M，a，b，c，d和e的所有元素的Ba，Sr，Ti和Zr的摩尔％满足70＆nlE; a＆nlE; 97,0.5

    Non-aqueous secondary battery
    9.
    发明授权
    Non-aqueous secondary battery 有权
    非水二次电池

    公开(公告)号：US08481212B2

    公开(公告)日：2013-07-09

    申请号：US13511084

    申请日：2011-09-12

    申请人： Naokage Tanaka ,  Akira Inaba ,  Masayuki Yamada ,  Masayuki Yoshiya

    发明人： Naokage Tanaka ,  Akira Inaba ,  Masayuki Yamada ,  Masayuki Yoshiya

    IPC分类号： H01M4/13

    CPC分类号： H01M4/131 ,  C01B33/113 ,  H01M4/133 ,  H01M4/366 ,  H01M4/483 ,  H01M4/587 ,  H01M10/052 ,  Y02E60/122 ,  Y02T10/7011

    摘要： The non-aqueous secondary battery of the present invention includes a positive electrode, a negative electrode, a non-aqueous electrolyte, and a separator, the negative electrode contains a negative electrode active material containing a graphitic carbon material and a composite in which a carbon coating layer is formed on a surface of a core material containing Si and O as constituent elements, the composite has a carbon content of 10 to 30 mass %, the composite has an intensity ratio I510/I1343 of a peak intensity I510 at 510 cm−1 derived from Si to a peak intensity I1343 at 1343 cm−1 derived from carbon of 0.25 or less when a Raman spectrum of the composite is measured at a laser wavelength of 532 nm, and the half-width of the (111) diffraction peak of Si is less than 3.0° when the crystallite size of an Si phase contained in the core material is measured by X-ray diffractometry using CuKα radiation.

    摘要翻译： 本发明的非水系二次电池包括正极，负极，非水电解质和隔膜，所述负极含有含有石墨碳材料的负极活性物质和碳 在含有Si和O作为构成元素的芯材的表面上形成涂层，该复合材料的碳含量为10〜30质量％，复合材料的强度比I510 / I1343为510cm -1的峰强度I510， 1，衍射自Si的峰值强度I1343为1343cm -1，当在532nm的激光波长下测量复合物的拉曼光谱时，（111）衍射峰的半值 当通过使用CuKalpha辐射的X射线衍射法测量芯材中包含的Si相的微晶尺寸时，Si的含量小于3.0°。