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    Lithium secondary battery
    2.
    发明授权
    Lithium secondary battery 有权
    锂二次电池

    公开(公告)号：US09263729B2

    公开(公告)日：2016-02-16

    申请号：US13522758

    申请日：2010-01-21

    申请人： Hiroki Nagai ,  Masahiro Morita ,  Yukihiro Okada

    发明人： Hiroki Nagai ,  Masahiro Morita ,  Yukihiro Okada

    IPC分类号： H01M4/13 ,  H01M4/131 ,  H01M4/62 ,  H01M10/052 ,  H01M4/02

    CPC分类号： H01M4/13 ,  H01M4/131 ,  H01M4/625 ,  H01M10/052 ,  H01M2004/021 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011 ,  Y10T29/49108

    摘要： A lithium secondary battery of the present invention has a positive electrode is provided with a positive electrode mix layer that includes a positive electrode active material and a conductive material. The positive electrode mix layer has two peaks, large and small, of differential pore volume over a pore size ranging from 0.01 μm to 10 μm in a pore distribution curve measured by a mercury porosimeter. A pore size of the smaller peak B of the differential pore volume is smaller than a pore size of the larger peak A of the differential pore volume.

    摘要翻译： 本发明的锂二次电池具有正极，其具有包括正极活性物质和导电性材料的正极混合层。 在通过水银孔率计测量的孔分布曲线中，正电极混合层在0.01μm至10μm的孔径范围内具有大的和小的不同孔体积的峰。 不同孔体积的较小峰B的孔径小于微孔体积的较大峰A的孔径。

    Secondary battery
    3.
    发明授权
    Secondary battery 有权
    二次电池

    公开(公告)号：US09209459B2

    公开(公告)日：2015-12-08

    申请号：US13879042

    申请日：2010-10-15

    申请人： Hiroki Nagai ,  Masahiro Morita ,  Takashi Iwao

    发明人： Hiroki Nagai ,  Masahiro Morita ,  Takashi Iwao

    IPC分类号： H01M4/485 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525

    CPC分类号： H01M4/485 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  Y02E60/122

    摘要： A secondary battery 100 includes a positive electrode current collector 221 and a positive electrode mixture layer 223 which is coated over the positive electrode current collector 221. The positive electrode mixture layer 223 includes a positive electrode active material 610, an electrically conductive material 620, and a binder 630. In addition, the positive electrode active material 610 has secondary particles 910 formed by an aggregation of a plurality of primary particles of a lithium transition metal oxide, a hollow portion 920 formed in the secondary particle 910, and through holes 930 penetrating the secondary particles 910 so as to connect the hollow portion 920 and the outside. A ratio (Vbc/Va) of an inner volume Vbc of holes formed inside the positive electrode mixture layer 223 to an apparent volume Va of the positive electrode mixture layer 223 satisfies 0.25≦(Vbc/Va). In addition, in a section of the positive electrode mixture layer 223, a ratio (Vb/Vc) of an inner volume Vb of holes B formed inside the positive electrode active material 610 to an inner volume Vc of holes C formed outside the positive electrode active material 610 satisfies 0.05≦(Vb/Vc)≦2.5.

    摘要翻译： 二次电池100包括正极集电体221和涂覆在正极集电体221上的正极合剂层223.正极合剂层223包括正极活性物质610，导电材料620和 粘合剂630.另外，正极活性物质610具有通过多次锂过渡金属氧化物的一次粒子，形成在二次粒子910中的中空部920的聚集而形成的二次粒子910和穿透 二次粒子910，以便连接中空部分920和外部。 正极合剂层223内形成的孔的内部体积Vbc与正极合剂层223的表观体积Va的比（Vbc / Va）满足0.25＆lt; nlE;（Vbc / Va）。 另外，在正极合剂层223的截面中，形成在正极活性物质610内的孔B的内部容积Vb与形成在正极外侧的孔C的内部容积Vc的比（Vb / Vc） 活性物质610满足0.05＆nlE;（Vb / Vc）＆nlE; 2.5。

    Electrode structure and battery device manufacturing method
    4.
    发明授权
    Electrode structure and battery device manufacturing method 有权
    电极结构及电池装置的制造方法

    公开(公告)号：US09196891B2

    公开(公告)日：2015-11-24

    申请号：US13531085

    申请日：2012-06-22

    申请人： Takenori Tsuchiya ,  Hiroki Nagai ,  Masahide Hikosaka

    发明人： Takenori Tsuchiya ,  Hiroki Nagai ,  Masahide Hikosaka

    IPC分类号： H01M2/02 ,  H01M2/30 ,  H01M2/26 ,  H01M2/20

    CPC分类号： H01M2/30 ,  H01M2/20 ,  H01M2/202 ,  H01M2/26 ,  Y02E60/12 ,  Y10T29/49108

    摘要： An electrode is provided with a metal terminal extending from a battery module main body, a bolt which has an expanded section configuring a retaining section at a rear end portion and penetrates the metal terminal upward, and an insulating body which insulates the metal terminal and the battery module case one from the other. The insulating body is provided with a drop preventing section which abuts at least a lower surface of the expanded section of the bolt and prevents the bolt from dropping from the metal terminal.

    摘要翻译： 电极设置有从电池模块主体延伸的金属端子，螺栓，该螺栓具有在后端部处构成保持部并且向上穿过金属端子的膨胀部，以及绝缘体，其将金属端子和 电池模块一个从另一个。 绝缘体设置有防止突出部的至少下表面的防滴落部，防止螺栓从金属端子落下。

    Battery, vehicle mounting the battery, and device mounting the battery
    6.
    发明授权
    Battery, vehicle mounting the battery, and device mounting the battery 有权
    电池，车载电池，以及安装电池的设备

    公开(公告)号：US09159983B2

    公开(公告)日：2015-10-13

    申请号：US12679940

    申请日：2009-06-19

    申请人： Hiroki Nagai

    发明人： Hiroki Nagai

    IPC分类号： H01M2/12 ,  H01M2/30 ,  H01M2/22 ,  H01M2/34 ,  H01M10/0525

    CPC分类号： H01M2/30 ,  H01M2/1241 ,  H01M2/22 ,  H01M2/34 ,  H01M2/345 ,  H01M10/0525 ,  Y02E60/122 ,  Y02T10/7011

    摘要： A battery includes a current breaking mechanism 20 provided in a battery and configured such that an external terminal 21 connecting a terminal rivet 31 connected to a power generating element 16 to an electrode terminal is provided with thick portions 48 and 49 and a breakable portion 45 so that the thick portions 48 and 49 are continuous through the breakable portion 45 only. The battery further includes: the terminal rivet 31 placed passing through a closing plate 12 forming a part of a battery case 11, a part of the terminal rivet 31 located outside the battery case 11 being placed on the thick portion 48 of the external terminal 21 in close contact relation, the terminal rivet 31 having a through hole 32; and a sealing cap 25 covering an exit of the through hole 32 on the outside of the battery case 11 and being joined to the external terminal 21 over the entire circumference of the through hole 32 or joined to both the external terminal 21 and the terminal rivet 31 across them. When the internal pressure of the battery case 11 rises, at least part of the sealing cap 25 is moved away from the battery case 11, deforming a part of the external terminal 21, thereby breaking the breakable portion 45.

    摘要翻译： 电池包括设置在电池中的电流断路机构20，并且构造成使得将连接到发电元件16的端子铆钉31连接到电极端子的外部端子21设置有厚部48和49以及易断裂部分45 厚部分48和49仅通过可破裂部分45连续。 该电池进一步包括：端子铆钉31穿过形成电池壳体11的一部分的封闭板12，位于电池壳体11外部的端子铆钉31的一部分放置在外部端子21的厚壁部分48上 紧密接触的端子铆钉31具有通孔32; 以及密封帽25，其覆盖电池壳体11的外部的通孔32的出口，并且在通孔32的整个圆周上接合到外部端子21，或者连接到外部端子21和端子铆钉 31他们。 当电池壳体11的内部压力升高时，密封盖25的至少一部分从电池壳体11移开，使外部端子21的一部分变形，从而破坏可破坏部分45。

    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    8.
    发明申请
    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    非水电解质二次电池

    公开(公告)号：US20150140389A1

    公开(公告)日：2015-05-21

    申请号：US14408824

    申请日：2013-07-01

    申请人： Hiroki Nagai ,  Takumi Tamaki ,  Harunari Shimamura

    发明人： Hiroki Nagai ,  Takumi Tamaki ,  Harunari Shimamura

    IPC分类号： H01M10/658

    CPC分类号： H01M10/658 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1686 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2220/20

    摘要： A non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a heat-resistant layer disposed between the positive electrode and the negative electrode. The positive electrode of this secondary battery contains a positive electrode active substance having a hollow structure, which has a shell portion and a hollow portion formed inside the shell portion. In addition, the heat-resistant layer contains plate-shaped inorganic filler particles as the main component.

    摘要翻译： 非水电解质二次电池包括正极，负极和设置在正极和负极之间的耐热层。 该二次电池的正极包含具有中空结构的正极活性物质，其具有形成在壳部内的壳体部分和中空部分。 此外，耐热层包含板状无机填料颗粒作为主要成分。

    LITHIUM RECHARGEABLE BATTERY
    10.
    发明申请
    LITHIUM RECHARGEABLE BATTERY 有权
    锂可充电电池

    公开(公告)号：US20140205901A1

    公开(公告)日：2014-07-24

    申请号：US14241190

    申请日：2012-08-02

    申请人： Hiroki Nagai ,  Yutaka Oyama

    发明人： Hiroki Nagai ,  Yutaka Oyama

    IPC分类号： H01M4/36 ,  C01G53/00

    CPC分类号： H01M4/36 ,  C01G53/006 ,  C01G53/50 ,  C01P2002/50 ,  C01P2004/03 ,  C01P2004/62 ,  H01M4/13 ,  H01M4/131 ,  H01M4/364 ,  H01M4/366 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/021 ,  Y02P70/54 ,  Y02T10/7011

    摘要： The lithium rechargeable battery of the present invention is provided with a current collector and an active material layer containing active material particles 10 supported on this current collector. The active material particles 10 are secondary particles 14 in which a plurality of primary particles 12 of a lithium transition metal oxide are aggregated, and have a hollow structure that contains a hollow section 16 formed inside the secondary particle 14 and a shell section 15 that surrounds the hollow section 16. A through hole 18 that penetrates from the outside to the hollow section 16 is formed in the secondary particle 14. The ratio (A/B) in a powder x-ray diffraction pattern of the active material particles 10, where A is the full width at half maximum of the diffraction peak obtained for the (003) plane and B is the full width at half maximum of the diffraction peak obtained for the (104) plane, satisfies the equation (A/B)≦0.7.

    摘要翻译： 本发明的锂可再充电电池具有集电体和活性物质层，该活性物质层含有负载在该集电体上的活性物质粒子10。 活性物质粒子10是二次粒子14，其中多个锂过渡金属氧化物的一次粒子12聚集，并且具有包含形成在二次粒子14内部的中空部分16的中空结构和围绕 中空部16.在二次粒子14中形成从外部贯通到中空部16的贯通孔18.活性物质粒子10的粉末X射线衍射图的比（A / B） A为（003）面获得的衍射峰的半峰全宽，B为（104）面获得的衍射峰的半峰全宽满足式（A / B）＆nlE; 0.7。