公开(公告)号：US20120258347A1

公开(公告)日：2012-10-11

申请号：US13340371

申请日：2011-12-29

申请人： Tomohiko YOKOYAMA ,  Masato Fujikawa ,  Keisuke Shimizu ,  Shunsuke Yasui ,  Daisuke Kishii

发明人： Tomohiko YOKOYAMA ,  Masato Fujikawa ,  Keisuke Shimizu ,  Shunsuke Yasui ,  Daisuke Kishii

IPC分类号： H01M10/50

CPC分类号： H01M6/5038 ,  H01M10/4207 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6555

摘要： A battery module including: a plurality of aligned cells, wherein a cooling unit accommodating a cooling agent is provided in a vicinity of the cells, part of the cooling unit is a vulnerable section having a relatively low compressive strength, and the vulnerable section is unsealed when heat is abnormally generated in at least one of the cells.

摘要翻译： 一种电池模块，包括：多个排列单元，其中容纳冷却剂的冷却单元设置在所述单元的附近，所述冷却单元的一部分是具有相对低的抗压强度的脆弱部分，并且所述易损部分是未密封的 当在至少一个电池中发热异常时。

公开(公告)号：US20120231317A1

公开(公告)日：2012-09-13

申请号：US13390287

申请日：2011-07-20

申请人： Keisuke Shimizu ,  Tomohiko Yokoyama ,  Masato Fujikawa ,  Shunsuke Yasui ,  Daisuke Kishii

发明人： Keisuke Shimizu ,  Tomohiko Yokoyama ,  Masato Fujikawa ,  Shunsuke Yasui ,  Daisuke Kishii

IPC分类号： H01M10/50

CPC分类号： H01M2/105 ,  H01M10/0525 ,  H01M10/613 ,  H01M10/625 ,  H01M10/643 ,  H01M10/647 ,  H01M10/6555 ,  H01M10/6567 ,  Y02T10/7011

摘要： A battery module 100 includes a plurality of cells 10, wherein a cooling unit 20 in which a coolant is sealed is disposed in the vicinity of the cells 10, the coolant is liquid adjusted to have a viscosity within the range of 2 Pa·s to 350 Pa·s, and the cooling unit 20 includes an unsealable portion 23 which is partially unsealed to release the coolant when at least one of the cells 10 abnormally generates heat.

摘要翻译： 电池模块100包括多个电池单元10，其中密封冷却剂的冷却单元20设置在电池单元10的附近，将冷却剂液体调节至具有在2Pa·s范围内的粘度至 350Pa·s，冷却单元20包括一部分未密封的开封部23，以在至少一个电池单元10异常发热时释放冷却剂。

公开(公告)号：US20120121955A1

公开(公告)日：2012-05-17

申请号：US13383791

申请日：2011-03-18

申请人： Kazuki Endo ,  Masato Fujikawa

发明人： Kazuki Endo ,  Masato Fujikawa

IPC分类号： H01M4/131 ,  H01M10/36

CPC分类号： H01M4/131 ,  H01M4/621 ,  H01M10/0525 ,  H01M10/0587 ,  Y02E60/122 ,  Y02P70/54

摘要： Disclosed is a positive electrode for non-aqueous electrolyte secondary batteries, the positive electrode including a positive electrode material mixture layer which includes positive electrode active material particles and a binder. A curve representing a correlation between a distance from a current collector in the thickness direction of the positive electrode material mixture layer and an amount of the binder has a first maximum point, a minimum point, and a second maximum point. The minimum point corresponds to a position in a center area of the positive electrode material mixture layer in a thickness direction thereof, and the first and second maximum points correspond to a position nearer the current collector and a position further away from the current collector than the position corresponding to the minimum point, respectively. A ratio W1/W2 of an amount W1 at the first maximum point to an amount W2 at the minimum point of the binder per 100 parts by weight of the positive electrode active material particles is greater than 2.

摘要翻译： 公开了一种非水电解质二次电池用正极，所述正极具有包含正极活性物质粒子和粘合剂的正极合剂层。 表示正极复合层的厚度方向上的集电体的距离与粘合剂的量之间的相关性的曲线具有第一最大点，最小点和第二最大点。 最小点对应于正极复合材料层在其厚度方向的中心区域中的位置，并且第一和第二最大点对应于更靠近集电器的位置和远离集电器的位置比 分别对应于最小点的位置。 相对于正极活性物质粒子100重量份，第一最大点处的量W1与粘合剂的最小点的量W2的比W1 / W2大于2。

公开(公告)号：US20110177369A1

公开(公告)日：2011-07-21

申请号：US12989625

申请日：2010-03-10

申请人： Kazuki Endo ,  Masato Fujikawa

发明人： Kazuki Endo ,  Masato Fujikawa

IPC分类号： H01M10/0587 ,  H01M2/16 ,  H01M10/05 ,  H01M10/056 ,  H01M10/0565

CPC分类号： H01M2/1673 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2300/0085 ,  Y02T10/7011

摘要： A lithium ion secondary battery including an electrode for a lithium ion secondary battery, the electrode including: a current collector 30; an electrode active material layer 31 being laminated on a surface of the current collector 30 and including an electrode active material 32 capable of absorbing and desorbing lithium ions; a lithium ion conductive layer 13 being laminated on a surface of the electrode active material layer 31, and including a lithium ion conductive gel swelled with a non-aqueous electrolyte; and a porous heat-resistant layer 14 being laminated on a surface of the lithium ion conductive layer 13, and including insulating metal oxide particles.

摘要翻译： 一种锂离子二次电池，包括锂离子二次电池用电极，所述电极包括：集电体30; 电极活性物质层31层压在集电体30的表面上并且包括能够吸收和解吸锂离子的电极活性物质32; 层叠在电极活性物质层31的表面上的锂离子传导层13，并且包含用非水电解质溶胀的锂离子导电性凝胶; 以及层叠在锂离子传导层13的表面上的多孔耐热层14，并且包含绝缘性金属氧化物粒子。

公开(公告)号：US07952703B2

公开(公告)日：2011-05-31

申请号：US12607686

申请日：2009-10-28

申请人： Tetsuya Hayashi ,  Masato Fujikawa ,  Kazutaka Teramoto

发明人： Tetsuya Hayashi ,  Masato Fujikawa ,  Kazutaka Teramoto

IPC分类号： G01J1/10

CPC分类号： G01B11/0625 ,  G01B11/0683

摘要： There is provided a film measuring device capable of accurately and easily measuring the thickness of a microporous film formed on a battery electrode plate over the entire area of the film. A color CCD sensor 8 shoots the microporous film. A video board 11 converts a color tone of a color image signal obtained by the image pickup into gradation data of respective color components of RGB. After the data conversion, an image processing board 12 extracts line images of the respective color components. A calculator 14 obtains the thickness of the microporous film by referring to pre-measured film thickness reference values corresponding to the gradation data of the green or blue color component, which are stored in a table storage 13 as reference thickness table data, using the gradation data of the line image of the green color component or the blue color component as lookup data.

摘要翻译： 提供一种能够准确且容易地测量在膜的整个区域上形成在电池电极板上的微孔膜的厚度的膜测量装置。 彩色CCD传感器8拍摄微孔膜。 视频板11将通过图像拾取获得的彩色图像信号的色调转换为RGB的各个颜色分量的灰度数据。 在数据转换之后，图像处理板12提取各个颜色分量的线图像。 计算器14通过参照存储在表存储器13中的绿色或蓝色分量的灰度数据对应的预测膜厚基准值作为基准厚度表数据，使用灰度等级来获得微孔膜的厚度 绿色分量或蓝色分量的线图像的数据作为查找数据。

公开(公告)号：US20100227217A1

公开(公告)日：2010-09-09

申请号：US12681709

申请日：2009-06-01

申请人： Masato Fujikawa ,  Tomohiko Yokoyama

发明人： Masato Fujikawa ,  Tomohiko Yokoyama

IPC分类号： H01M10/02 ,  H01M2/08

CPC分类号： H01M2/0413 ,  H01M2/022 ,  H01M2/08 ,  H01M2/1011 ,  H01M10/0525

摘要： The present invention provides a battery including: a battery case having a bottom, a side wall, and an upper opening; an electrode assembly; an electrolyte; and a sealing plate covering the upper opening of the battery case accommodating the electrode assembly and the electrolyte, the electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, wherein a gasket is interposed between an opening-edge portion of the battery case and the sealing plate, and a first highly-resistive layer is disposed between the opening-edge portion of the battery case and the gasket, or a second highly-resistive layer is disposed between the sealing plate and the gasket. This configuration makes it possible to prevent a short circuit between the battery case and the sealing plate from occurring even when the gasket is broken.

摘要翻译： 本发明提供一种电池，包括：具有底部，侧壁和上部开口的电池壳体; 电极组件; 电解液 以及密封板，其覆盖容纳电极组件和电解质的电池壳体的上部开口，该电极组件包括正极，负极和介于正极和负极之间的隔板，其中垫圈被插入 在电池壳体的开口边缘部分和密封板之间以及第一高电阻层之间设置在电池壳体的开口边缘部分和垫圈之间，或者第二高电阻层设置在密封件 板和垫圈。 这种构造使得即使当垫圈破裂时也可以防止电池壳体和密封板之间的短路。

公开(公告)号：US20100188054A1

公开(公告)日：2010-07-29

申请号：US12670597

申请日：2008-07-23

申请人： Jun Asakura ,  Takuya Nakashima ,  Toshiyuki Nakatsuji ,  Masato Fujikawa

发明人： Jun Asakura ,  Takuya Nakashima ,  Toshiyuki Nakatsuji ,  Masato Fujikawa

IPC分类号： H02J7/04

CPC分类号： H01M10/48 ,  G01R31/025 ,  G01R31/36 ,  H01M4/136 ,  H01M4/5825 ,  H01M10/482 ,  H02J7/0077

摘要： An internal short-circuit detecting device for detecting an internal short circuit of a battery being subjected to constant current charge using a constant current amount (I) has: a voltage detection unit for detecting a terminal voltage of the battery; a terminal voltage acquisition unit for acquiring a terminal voltage (V1), as predetermined by the voltage detection unit, at a starting point of a first period (ΔW1) and a terminal voltage (V2) at an ending point; a voltage increase amount calculation unit for calculating an actual increase amount (ΔV3) of the terminal voltage of the first period (ΔW1) from the terminal voltages (V1 and V2); a voltage increase amount prediction unit for calculating a predicted increase amount (ΔV4) of the terminal voltage for the period when charging is performed using the current amount (I) for the first period (ΔW1); and an internal short-circuit determination unit for determining that the internal short circuit is generated when the actual increase amount (ΔV3) is equal to or lower than the sum of the predicted increase amount (ΔV4) and a predetermined coefficient (α).

摘要翻译： 用于检测使用恒定电流量（I）进行恒定电流充电的电池的内部短路的内部短路检测装置具有：电压检测单元，用于检测电池的端子电压; 端子电压获取单元，用于在终点处的第一周期（＆Dgr; W1）和端子电压（V2）的起始点处获取由电压检测单元预定的端子电压（V1）; 电压增加量计算单元，用于根据端子电压（V1和V2）计算第一周期（＆Dgr; W1）的端子电压的实际增加量（＆Dgr; V3）; 电压增加量预测单元，用于计算使用第一时段（＆Dgr; W1）的当前量（I）进行充电时的终端电压的预测增加量（＆Dgr; V4）; 以及当所述实际增加量（＆Dgr; V3）等于或小于所述预测增加量（＆Dgr; V4）和预定系数（＆Dgr; V4）的和时，确定产生所述内部短路的内部短路确定单元） α）。

公开(公告)号：US07679739B2

公开(公告)日：2010-03-16

申请号：US11507619

申请日：2006-08-22

申请人： Tetsuya Hayashi ,  Masato Fujikawa ,  Kazutaka Teramoto

发明人： Tetsuya Hayashi ,  Masato Fujikawa ,  Kazutaka Teramoto

IPC分类号： G01J1/10

CPC分类号： G01B11/0625 ,  G01B11/0683

摘要： There is provided a film measuring device capable of accurately and easily measuring the thickness of a microporous film formed on a battery electrode plate over the entire area of the film. A color CCD sensor 8 shoots the microporous film. A video board 11 converts a color tone of a color image signal obtained by the image pickup into gradation data of respective color components of RGB. After the data conversion, an image processing board 12 extracts line images of the respective color components. A calculator 14 obtains the thickness of the microporous film by referring to pre-measured film thickness reference values corresponding to the gradation data of the green or blue color component, which are stored in a table storage 13 as reference thickness table data, using the gradation data of the line image of the green color component or the blue color component as lookup data.

摘要翻译： 提供一种能够准确且容易地测量在膜的整个区域上形成在电池电极板上的微孔膜的厚度的膜测量装置。 彩色CCD传感器8拍摄微孔膜。 视频板11将通过图像拾取获得的彩色图像信号的色调转换为RGB的各个颜色分量的灰度数据。 在数据转换之后，图像处理板12提取各个颜色分量的线图像。 计算器14通过参照存储在表存储器13中的绿色或蓝色分量的灰度数据对应的预测膜厚基准值作为基准厚度表数据，使用灰度等级来获得微孔膜的厚度 绿色分量或蓝色分量的线图像的数据作为查找数据。

公开(公告)号：US20100028762A1

公开(公告)日：2010-02-04

申请号：US12498729

申请日：2009-07-07

申请人： Tomohiko Yokoyama ,  Masato Fujikawa

发明人： Tomohiko Yokoyama ,  Masato Fujikawa

IPC分类号： H01M6/10

CPC分类号： H01M10/0525 ,  H01M2/22 ,  H01M2/26 ,  H01M2/34 ,  H01M2/348 ,  H01M4/70 ,  H01M10/0587 ,  H01M10/613 ,  H01M10/643 ,  H01M10/654 ,  H01M10/6553

摘要： A battery includes an electrode assembly including a first electrode and a second electrode, a non-aqueous electrolyte, a battery case, a first lead connecting the first electrode with a bottom of the battery case, a seal member sealing an opening of the battery case, and a second lead connecting the second electrode with the seal member. At least one of the first lead and the second lead has a high resistant portion that has a higher resistance than the other portions per unit length. The high resistant portion is disposed at a position of the first lead closer to the first electrode than the portion connected to the bottom of the battery case or at a position of the second lead closer to the second electrode than the portion connected to the seal member. The high resistant portion is in contact with the battery case or the seal member.

摘要翻译： 电池包括电极组件，其包括第一电极和第二电极，非水电解质，电池壳体，将第一电极与电池壳体的底部连接的第一引线，密封电池壳体的开口的密封构件 以及将第二电极与密封构件连接的第二引线。 第一引线和第二引线中的至少一个具有比每单位长度的其它部分更高的电阻的高电阻部分。 高阻抗部分设置在比连接到电池盒的底部的部分更靠近第一电极的位置处，或者在比第二引线更靠近第二电极的位置处，与连接到密封构件的部分 。 高电阻部分与电池壳体或密封构件接触。

公开(公告)号：US20080193840A1

公开(公告)日：2008-08-14

申请号：US12030528

申请日：2008-02-13

申请人： Takayuki Shirane ,  Kaoru Inoue ,  Masaya Ugaji ,  Masato Fujikawa ,  Toshitada Sato

发明人： Takayuki Shirane ,  Kaoru Inoue ,  Masaya Ugaji ,  Masato Fujikawa ,  Toshitada Sato

IPC分类号： H01M4/02

CPC分类号： H01M10/0525 ,  H01M4/13 ,  H01M4/131 ,  H01M4/485 ,  H01M2004/027 ,  H01M2300/004

摘要： A non-aqueous electrolyte secondary battery comprising at least a negative electrode having a current collector provided thereon with convex portions and columnar bodies formed on the convex portions, each of the columnar bodies comprising n stages (where n≧2) of overlaid columnar body portions alternately tilted to different orientations along a longitudinal direction of the current collector, a positive electrode having a positive electrode current collector provided on both surfaces thereof with a positive electrode mixture layer containing a positive electrode active material capable of inserting and extracting lithium ions reversibly, and a separator interposed between the positive electrode and the negative electrode in a confronting manner, wherein tip portions of the columnar body portions at the uppermost stage of the columnar bodies on the negative electrode are tilted toward a trailing end of winding direction.

摘要翻译： 本发明提供一种非水电解质二次电池，其至少包括具有设置在所述凸部上的集电体的集电体的负极和在所述凸部上形成的柱状体，所述柱状体包括重叠柱状体的n个阶段（n> = 2） 沿着集电体的长度方向交替地倾斜到不同取向的部分，具有正极集电体的正极具有正极集电体，该正极集电体在其两面设置有含有能够可逆地插入和提取锂离子的正极活性物质的正极合剂层， 以及相对于正极和负极之间插入的隔膜，其中负极上柱状体的最上段的柱状体部的末端部向卷绕方向的后端倾斜。