公开(公告)号：US20100055301A1

公开(公告)日：2010-03-04

申请号：US12547929

申请日：2009-08-26

申请人： Katsuo NAOI ,  Kazutoshi EMOTO ,  Kiyonori HINOKI ,  Masahiro SAEGUSA ,  Kenji NISHIZAWA ,  Mitsuo KOUGO

发明人： Katsuo NAOI ,  Kazutoshi EMOTO ,  Kiyonori HINOKI ,  Masahiro SAEGUSA ,  Kenji NISHIZAWA ,  Mitsuo KOUGO

IPC分类号： B05D5/12

CPC分类号： H01M4/0404 ,  H01M4/139 ,  Y02E60/122 ,  Y02P70/54

摘要： An electrode manufacturing method which can lower the impedance of electrochemical devices is provided. The electrode manufacturing method comprises the steps of applying a coating material containing an active material particle, a binder, and a good solvent for the binder to a current collector, so as to form a coating film made of the coating material; removing the good solvent from the coating film; applying a poor solvent for the binder to the coating film having removed the good solvent; and pressing the coating film coated with the poor solvent.

摘要翻译： 提供了可以降低电化学装置的阻抗的电极制造方法。 电极制造方法包括以下步骤：将含有活性物质颗粒，粘合剂和粘合剂的良溶剂的涂料施加到集电体上，以形成由涂层材料制成的涂膜; 从涂膜中除去良好的溶剂; 将不良溶剂用于粘合剂到除去良溶剂的涂膜; 并且对涂布有不良溶剂的涂膜进行加压。

公开(公告)号：US20090246638A1

公开(公告)日：2009-10-01

申请号：US12407294

申请日：2009-03-19

申请人： Katsuo NAOI ,  Kenji NISHIZAWA ,  Mitsuo KOUGO

发明人： Katsuo NAOI ,  Kenji NISHIZAWA ,  Mitsuo KOUGO

IPC分类号： H01M4/00 ,  H01M10/02 ,  H01M2/14

CPC分类号： H01M10/0525 ,  H01M10/058 ,  H01M10/4235 ,  H01M2200/10

摘要： An electrochemical device comprises an electrode matrix including a multilayer structure composed of a positive electrode, a negative electrode, and a first separator, and first and second dummy electrodes electrically connected to the positive and negative electrodes, respectively. The first and second dummy electrodes have respective opposing parts opposing each other through a second separator at an outer peripheral part of the electrode matrix. One or each of the first and second dummy electrodes has a resistance control layer at least on a side where the opposing parts oppose each other. The resistance control layer has such a resistance value that an estimated internal short circuit current between the first and second dummy electrodes is equivalent to 0.09 C to 1.00 C. The first and second dummy electrodes are adapted to short-circuit each other at a lower temperature than the positive and negative electrodes do.

摘要翻译： 电化学装置包括电极基体，其包括由正极，负极和第一隔板构成的多层结构，以及分别与正极和负极电连接的第一和第二虚设电极。 第一和第二虚拟电极具有通过电极矩阵的外周部分处的第二隔板彼此相对的相对的相对部分。 第一和第二虚拟电极中的一个或每个至少在相对部分彼此相对的一侧上具有电阻控制层。 电阻控制层具有这样的电阻值，使得第一和第二虚拟电极之间的估计内部短路电流相当于0.09℃至1.00℃。第一和第二虚拟电极适于在较低温度下彼此短路 比正极和负极做的要好。

公开(公告)号：US20100124705A1

公开(公告)日：2010-05-20

申请号：US12619270

申请日：2009-11-16

申请人： Katsuo NAOI ,  Kazutoshi EMOTO ,  Kiyonori HINOKI ,  Masahiro SAEGUSA ,  Kenji NISHIZAWA ,  Mitsuo KOUGO

发明人： Katsuo NAOI ,  Kazutoshi EMOTO ,  Kiyonori HINOKI ,  Masahiro SAEGUSA ,  Kenji NISHIZAWA ,  Mitsuo KOUGO

IPC分类号： H01M10/0565 ,  B32B5/00 ,  B05D3/00 ,  B05D5/12

CPC分类号： H01M2/162 ,  C08J7/047 ,  C08J2309/02 ,  C08J2327/00 ,  H01M2/1653 ,  H01M10/0565 ,  Y10T428/24132

摘要： A fiber-containing polymer film contains a host polymer and fibrous substances. The fiber-containing polymer film has an orientation area where the fibrous substances are oriented in a direction substantially parallel to a main surface of the fiber-containing polymer film and in substantially the same direction.

摘要翻译： 含纤维聚合物膜含有主体聚合物和纤维状物质。 含纤维聚合物膜具有取向区域，其中纤维物质在基本上平行于含纤维聚合物膜的主表面的方向上并且基本相同的方向上取向。

公开(公告)号：US20100055565A1

公开(公告)日：2010-03-04

申请号：US12548160

申请日：2009-08-26

申请人： Katsuo NAOI ,  Kazutoshi EMOTO ,  Kiyonori HINOKI ,  Masahiro SAEGUSA ,  Kenji NISHIZAWA ,  Mitsuo KOUGO ,  Masayoshi HIRANO

发明人： Katsuo NAOI ,  Kazutoshi EMOTO ,  Kiyonori HINOKI ,  Masahiro SAEGUSA ,  Kenji NISHIZAWA ,  Mitsuo KOUGO ,  Masayoshi HIRANO

IPC分类号： H01M4/62 ,  H01M4/04 ,  H01G9/058

CPC分类号： H01M4/0404 ,  H01M4/0435 ,  H01M4/139 ,  H01M4/366 ,  H01M4/62 ,  H01M4/622

摘要： An electrode manufacturing method which can form a flat short-circuit prevention coating film (solid polyelectrolyte layer) having a uniform thickness and prevent short circuits from occurring in an electrochemical device is provided. The electrode manufacturing method comprises a first step of applying an active material layer coating material containing an active material particle, an active material layer binder, and a first solvent to a current collector so as to form a coating film made of the active material layer coating material; a second step of applying a second solvent to the coating film; and a third step of applying a solid polyelectrolyte layer coating material containing a solid polyelectrolyte, a solid polyelectrolyte layer binder, and a third solvent to the coating film coated with the second solvent. The first solvent is a good solvent for the active material layer binder, the second solvent is a poor solvent for the solid polyelectrolyte layer binder, and the third solvent is a good solvent for the solid polyelectrolyte layer binder.

摘要翻译： 提供一种电极制造方法，其可以形成具有均匀厚度并防止在电化学装置中发生短路的扁平短路防止涂膜（固体聚电解质层）。 电极制造方法包括：将第一工序，将含有活性物质粒子，活性物质层粘合剂和第一溶剂的活性物质层涂料涂布在集电体上，形成由活性物质层涂层 材料; 将第二溶剂施加到涂膜的第二步骤; 以及第三步骤，将包含固体聚电解质，固体聚电解质层粘合剂和第三溶剂的固体聚电解质层涂料涂覆到涂覆有第二溶剂的涂膜上。 第一溶剂是活性物质层粘合剂的良溶剂，第二溶剂是固体聚电解质层粘合剂的不良溶剂，第三溶剂是用于固体聚电解质层粘合剂的良溶剂。

公开(公告)号：US20100124701A1

公开(公告)日：2010-05-20

申请号：US12618979

申请日：2009-11-16

申请人： Katsuo NAOI ,  Kenji NISHIZAWA ,  Mitsuo KOUGO ,  Yoshihiko OHASHI ,  Hidetake ITOH

发明人： Katsuo NAOI ,  Kenji NISHIZAWA ,  Mitsuo KOUGO ,  Yoshihiko OHASHI ,  Hidetake ITOH

IPC分类号： H01M2/14

CPC分类号： H01M2/1653 ,  B32B1/00 ,  B32B3/02 ,  B32B7/02 ,  B32B27/08 ,  B32B27/281 ,  B32B27/306 ,  B32B27/308 ,  B32B27/32 ,  B32B27/34 ,  B32B2250/40 ,  B32B2270/00 ,  B32B2307/306 ,  B32B2307/718 ,  B32B2457/10 ,  H01M2/145 ,  H01M2/1686 ,  H01M4/139 ,  H01M10/0525

摘要： A lithium-ion secondary battery separator having a porous structure formed by laminating a second polymer layer, a first polymer layer, and a second polymer layer in sequence. The second polymer layer has a melting point higher than that of the first polymer layer. The second polymer layer has a higher molecular part formed on a side in contact with the first polymer layer and a lower molecular part formed on a side farther from the first polymer layer than is the higher molecular part. The higher and lower molecular parts have a weight-average molecular weight ratio (higher molecular part/lower molecular part) of 4 to 19 therebetween.

摘要翻译： 一种锂离子二次电池隔膜，其具有通过依次层叠第二聚合物层，第一聚合物层和第二聚合物层而形成的多孔结构。 第二聚合物层的熔点高于第一聚合物层的熔点。 第二聚合物层在与第一聚合物层接触的一侧上形成较高的分子部分，而形成在比第一聚合物层更远离较高分子部分的一侧的下分子部分。 高分子部分和低分子部分之间的重均分子量比（高分子部分/低分子部分）为4〜19。

公开(公告)号：US20100075224A1

公开(公告)日：2010-03-25

申请号：US12560870

申请日：2009-09-16

申请人： Katsuo NAOI ,  Kazutoshi EMOTO ,  Kiyonori HINOKI ,  Masahiro SAEGUSA ,  Kenji NISHIZAWA ,  Mitsuo KOUGO

发明人： Katsuo NAOI ,  Kazutoshi EMOTO ,  Kiyonori HINOKI ,  Masahiro SAEGUSA ,  Kenji NISHIZAWA ,  Mitsuo KOUGO

IPC分类号： H01M4/02

CPC分类号： H01G11/28 ,  H01G11/32 ,  H01M4/661 ,  H01M4/70 ,  H01M4/742 ,  H01M10/052 ,  Y02E60/13

摘要： An electrode has a current collector having a plurality of through holes, and active material layers provided on both sides of the current collector, the current collector has projections extending on the top side or on the back side of the current collector from respective edges of the through holes, and an angle between each of the projections and a surface direction of the current collector is in the range of 30 to 80°. Because of the configuration wherein the projections are surrounded by the active material layers, a physical anchor effect is achieved so as to provide high adhesion. Since the projections are inclined relative to the surface direction of the current collector, the distance becomes shorter between the current collector including the projections and an active material, which was located apart from the projections in the case where the projections extended perpendicularly to the surface direction of the current collector. Therefore, electrically conducting paths become shorter and impedance is reduced.

摘要翻译： 电极具有集电体，该集电体具有多个通孔，并且设置在集电体的两侧的活性物质层，集电体具有从集电体的顶部侧或背面侧的突出部 通孔，并且每个突起之间的角度和集电器的表面方向之间的角度在30至80°的范围内。 由于其中突起被活性材料层包围的结构，实现了物理锚固效应，从而提供高粘合性。 由于突起相对于集电体的表面方向倾斜，所以在包括突起的集电体和在垂直于表面方向延伸的突起的情况下与突起分开的活性材料之间的距离变短 的集电器。 因此，导电路径变短，阻抗减小。

公开(公告)号：US20090246612A1

公开(公告)日：2009-10-01

申请号：US12408137

申请日：2009-03-20

申请人： Katsuo NAOI ,  Kenji NISHIZAWA ,  Mitsuo KOUGO

发明人： Katsuo NAOI ,  Kenji NISHIZAWA ,  Mitsuo KOUGO

IPC分类号： H01M2/16 ,  H01M2/02

CPC分类号： H01M4/13 ,  H01M2/162 ,  H01M2/1653 ,  H01M2/1673 ,  H01M2/18 ,  H01M4/624 ,  H01M10/4235 ,  H01M2004/024

摘要： An electrochemical device having an electrode matrix including a multilayer structure laminating positive and negative electrodes with a separator interposed therebetween; wherein at least one of the positive and negative electrodes has a resistance control layer at least at an edge part exposed when the separator thermally shrinks on a surface on the separator side; and wherein the resistance control layer has a resistance value as a total resistance value of the electrode matrix falling in such a range that an estimated internal short circuit current between the positive and negative electrodes is equivalent to 0.09 C to 1 C.

摘要翻译： 一种具有电极基体的电化学装置，包括层叠正极和负极的多层结构，隔着隔膜插入隔板; 其中所述正电极和所述负电极中的至少一个具有电阻控制层，所述电阻控制层至少在所述隔板在所述隔板侧的表面上热收缩时露出的边缘部分; 并且其中所述电阻控制层具有作为所述电极矩阵的总电阻值的电阻值，所述电阻值在所述正极和负极之间的估计内部短路电流等于0.09℃至1℃的范围内。

公开(公告)号：US20090169979A1

公开(公告)日：2009-07-02

申请号：US12335016

申请日：2008-12-15

申请人： Yoshihiko OHASHI ,  Mitsuo KOUGO ,  Kiyonori HINOKI ,  Kazuo KATAI

发明人： Yoshihiko OHASHI ,  Mitsuo KOUGO ,  Kiyonori HINOKI ,  Kazuo KATAI

IPC分类号： H01M6/10

CPC分类号： H01M10/0431 ,  H01M10/052 ,  H01M10/0587 ,  Y10T29/49112

摘要： The invention provides a wound-type electrochemical device capable of increasing the capacity. A wound-type electrochemical device comprises a wound body formed by winding a belt-like positive electrode and a belt-like negative electrode, each of the electrodes being a current collector having an active material layer formed on both sides thereof, so as to sandwich a belt-like separator therebetween, wherein both sides of an end on a center side of the wound body of the positive electrode adjoin the negative electrode via the separator, respectively, while both sides of an end on the center side of the wound body of the negative electrode adjoin the positive electrode via the separator, respectively.

摘要翻译： 本发明提供能够增加容量的卷绕式电化学装置。 卷绕式电化学装置包括通过缠绕带状正极和带状负极而形成的卷绕体，每个电极是在其两侧形成有活性物质层的集电体，以夹持 其间的带状隔膜，其中，正极的卷绕体的中心侧的端部的两侧分别经由隔膜与负极相接，而卷绕体的中心侧的端部的两侧 负极分别经由隔膜与正极相邻。

公开(公告)号：US20090169993A1

公开(公告)日：2009-07-02

申请号：US12332031

申请日：2008-12-10

申请人： Yoshihiko OHASHI ,  Mitsuo KOUGO ,  Kiyonori HINOKI ,  Kazuo KATAI

发明人： Yoshihiko OHASHI ,  Mitsuo KOUGO ,  Kiyonori HINOKI ,  Kazuo KATAI

IPC分类号： H01M6/00 ,  H01M4/02

CPC分类号： H01M10/0431 ,  H01G9/151 ,  H01M10/0587

摘要： A wound electrochemical device has a wound body formed by winding a multilayer member including a multilayer structure composed of a positive electrode, a separator, and a negative electrode; wherein each of the positive and negative electrodes, includes a structure having an active material layer formed on both sides of a current collector; wherein the wound body has a space at a center portion thereof; and wherein the smallest radius of curvature R of a curved part in an innermost circumferential portion of the wound body satisfies the following expression (1): R=α×(T1+2T2)  (1) where R is the smallest radius of curvature of the curved part in the innermost circumferential portion of the wound body (unit: μm), α is a value within the range of 3.33 to 7.12, T1 is a thickness of the current collector of the electrode positioned at the innermost circumference of the wound body (unit: μm), and T2 is a thickness of the active material layer of the electrode positioned at the innermost circumference of the wound body (unit: μm), T2 being a value within the range of 8 to 30 (unit: μm).

摘要翻译： 卷绕电化学装置具有通过卷绕包括由正极，隔膜和负极构成的多层结构的多层构件而形成的卷绕体; 其特征在于，所述正极和负极各自包括在集电体的两面形成有活性物质层的结构体。 其中所述卷绕体在其中心部分具有空间; 并且其中卷绕体的最内圆周部分中的弯曲部分的最小曲率半径R满足以下表达式（1）：<？in-line-formula description =“In-line formula”end =“lead”？ > R = alphax（T1 + 2T2）（1）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中R是最内圆周中弯曲部分的最小曲率半径 伤口体的一部分（单位：mum），α是3.33〜7.12的范围内的值，T1是位于伤口体的最内周的电极的集电体的厚度（单位：mum）， T2是位于卷绕体的最内周的电极的活性物质层的厚度（单位：mum），T2是8〜30（单位：mum）的范围内的值。