公开(公告)号：US06824925B2

公开(公告)日：2004-11-30

申请号：US10193084

申请日：2002-07-10

申请人： Yoshiyuki Muraoka ,  Ichiro Takeuchi ,  Yusuke Ozaki

发明人： Yoshiyuki Muraoka ,  Ichiro Takeuchi ,  Yusuke Ozaki

IPC分类号： H01M480

CPC分类号： H01M4/667 ,  H01M4/26 ,  H01M4/30 ,  H01M4/32 ,  H01M4/661 ,  H01M4/80 ,  H01M2004/028 ,  Y10T29/10

摘要： A base for an electrode plate that has an excellent ability to retain an active material and can be manufactured at a low cost, a method for manufacturing the same, and an alkaline storage battery using the same are provided. The method includes (i) forming a slurry containing water, a powder containing nickel, and a hollow particle formed of an organic compound, (ii) applying the slurry to a support made of metal, thereby forming a sheet, and (iii) burning the sheet, thereby forming a porous layer joined to the support by a metallic bond.

摘要翻译： 提供了具有优异的保持活性材料的能力并且可以以低成本制造的电极板的基底，其制造方法和使用其的碱性蓄电池。 该方法包括（i）形成含有水的浆料，含有镍的粉末和由有机化合物形成的中空粒子，（ii）将该浆料施加到由金属制成的支撑体上，从而形成片材，（iii）燃烧 从而形成通过金属键连接到支撑体上的多孔层。

公开(公告)号：US20110287288A1

公开(公告)日：2011-11-24

申请号：US12525643

申请日：2009-02-02

申请人： Yasuhiko Hina ,  Yoshiyuki Muraoka

发明人： Yasuhiko Hina ,  Yoshiyuki Muraoka

IPC分类号： H01M4/70 ,  H01M10/05 ,  H01M4/04 ,  H01M4/66

CPC分类号： H01M10/0587 ,  H01M2/1673 ,  H01M4/0404 ,  H01M4/1391 ,  H01M4/625 ,  H01M4/661 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/028 ,  H01M2010/4292 ,  Y02T10/7011

摘要： A nonaqueous electrolyte secondary battery includes an electrode group (8) including a positive electrode (4) in which a positive electrode material mixture layer (4B) is provided on a positive electrode current collector (4A), a negative electrode (5) in which a negative electrode material mixture layer (5B) is provided on a negative electrode current collector (5A), and a porous insulating film (6). The positive electrode (4) and the negative electrode (5) are wound with the porous insulating layer (6) interposed. The positive electrode material mixture layer (4B) is provided on at least one of opposite surfaces of the positive electrode current collector (4A) located inside in a radial direction of the electrode group (8). The positive electrode material mixture layer (4B) has a porosity of 20% or lower. Where η is a thickness of the positive electrode material mixture layer (4B) provided on the surface located inside in the radial direction of the electrode group (8) of the surfaces of the positive electrode current collector (4A), ρ is a minimum radius of curvature of the positive electrode (4), and ε is a tensile extension in a winding direction of the positive electrode (4), ε≧η/ρ is satisfied.

摘要翻译： 非水电解质二次电池包括在正极集电体（4A）上设置有正极复合层（4B）的正极（4）的电极组（8），负极（5） 在负极集电体（5A）和多孔绝缘膜（6）上设置负极复合层（5B）。 将正极（4）和负极（5）夹在多孔绝缘层（6）上。 正电极复合层（4B）设置在位于电极组（8）的径向内侧的正极集电体（4A）的至少一个相对面上。 正极合剂层（4B）的孔隙率为20％以下。 何处 是设置在正极集电体（4A）的表面的电极组（8）的径向内侧的表面上的正极复合材料层（4B）的厚度。 是正电极（4）的最小曲率半径，＆egr; 是正极（4）的卷绕方向的拉伸伸长率，＆amp; 满意

公开(公告)号：US20110223456A1

公开(公告)日：2011-09-15

申请号：US13123866

申请日：2010-08-30

申请人： Junichi Sugaya ,  Yoshiyuki Muraoka

发明人： Junichi Sugaya ,  Yoshiyuki Muraoka

IPC分类号： H01M10/36 ,  H01M4/139 ,  H01M10/0587

CPC分类号： H01M10/0587 ,  H01M4/13 ,  H01M4/139 ,  H01M4/621 ,  H01M10/0525 ,  Y10T29/49108 ,  Y10T29/49115

摘要： Disclosed is an electrode used in a wound electrode assembly, the electrode including: a current collector; a first material mixture layer including a first active material, which is formed on one surface of the current collector; and a second material mixture layer including a second active material, which is formed on the other surface of the current collector. When an electrode assembly is assembled, the first material mixture layer is wound in a manner such that it is positioned on the outer side of the second material mixture layer. In a part corresponding to a predetermined region of a cross section of said electrode assembly perpendicular to the winding axis thereof, the radius of curvature of the predetermined region being 3.0×10−3 m or less, the capacity per unit volume of the first material mixture layer is higher than the capacity per unit volume of the second material mixture layer.

摘要翻译： 公开了一种用于卷绕电极组件中的电极，该电极包括：集电器; 包括形成在集电体的一个表面上的第一活性物质的第一材料混合物层; 以及第二材料混合物层，其包括形成在集电体的另一个表面上的第二活性材料。 当组装电极组件时，第一混合物层以使其位于第二材料混合物层的外侧上的方式缠绕。 在对应于垂直于其卷绕轴线的所述电极组件的横截面的预定区域的部分中，预定区域的曲率半径为3.0×10 -3 m或更小，第一材料的每单位体积的容量 混合物层比第二混合物层的每单位体积的容量高。

公开(公告)号：US08012614B2

公开(公告)日：2011-09-06

申请号：US11653333

申请日：2007-01-16

申请人： Takuya Nakashima ,  Masatoshi Nagayama ,  Yoshiyuki Muraoka

发明人： Takuya Nakashima ,  Masatoshi Nagayama ,  Yoshiyuki Muraoka

IPC分类号： H01M16/00

CPC分类号： H01M10/0587 ,  H01M4/13 ,  H01M6/42 ,  H01M10/0413 ,  H01M10/0525 ,  H01M10/44 ,  Y02T10/7011

摘要： A non-aqueous electrolyte battery has a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode has a high-capacity positive electrode portion with a plate area per capacity of smaller than 200 cm2/Ah, and a high-power positive electrode portion with a plate area per capacity of 200 cm2/Ah or larger. The non-aqueous electrolyte battery is advantageous in providing a battery, with use of a single kind of non-aqueous electrolyte battery, which simultaneously satisfies the requirements on high-capacity characteristics capable of performing a long-term continuous discharge, and on high-power characteristics capable of performing a pulse discharge at a large current, without using a hybrid power supply unit which has multiple kinds of batteries and requires a complex control system.

摘要翻译： 非水电解质电池具有正极，负极和非水电解质。 正极具有每单位面积的板面积小于200cm 2 / Ah的高容量正极部分，每个容量的板面积为200cm2 / Ah以上的高功率正极部分。 非水电解质电池在提供电池方面有利于使用单一种类的非水电解质电池，其同时满足能够进行长期连续放电的高容量特性的要求， 能够以大电流进行脉冲放电的电力特性，而不使用具有多种电池并需要复杂控制系统的混合电源单元。

公开(公告)号：US20110151296A1

公开(公告)日：2011-06-23

申请号：US13058412

申请日：2009-06-02

申请人： Yoshiyuki Muraoka ,  Kazuhiro Okamura ,  Masaya Ugaji

发明人： Yoshiyuki Muraoka ,  Kazuhiro Okamura ,  Masaya Ugaji

IPC分类号： H01M4/00 ,  H01M10/04

CPC分类号： H01M10/0587 ,  H01M4/0404 ,  H01M4/13 ,  H01M4/139 ,  H01M10/0431 ,  H01M10/0525 ,  H01M10/345 ,  H01M2004/021 ,  Y10T29/49115

摘要： A nonaqueous electrolyte secondary battery includes an electrode group (8) formed by winding a positive electrode (4) and a negative electrode (5) with a porous insulating layer (6) interposed therebetween. The positive electrode (4) includes a positive electrode material mixture layer (4B) and a positive electrode current collector (4A). The positive electrode material mixture layer (4B) has a porosity of 20% or lower. ε≧η/ρ is satisfied, where η is the thickness of the positive electrode material mixture layer (4B) on a surface located inside in the radial direction of the electrode group (8) of surfaces of the positive electrode current collector (4A), ρ is the minimum radius of curvature of the positive electrode (4), and ε is a tensile extension in the winding direction of the positive electrode (4). The frequency distribution curve for the particle sizes of a positive electrode active material has two or more peaks.

摘要翻译： 非水电解质二次电池包括通过将正极（4）和负极（5）卷绕在其间的多孔绝缘层（6）而形成的电极组（8）。 正极（4）包括正极合剂层（4B）和正极集电体（4A）。 正极合剂层（4B）的孔隙率为20％以下。 ＆egr;≧＆eegr; /＆rgr; 满意，在哪里 是位于正极集电体（4A）的表面的电极组（8）的径向内侧的表面上的正极合剂层（4B）的厚度， 是正极（4）的最小曲率半径，＆egr; 是正极（4）的卷绕方向的拉伸伸长率。 正极活性物质的粒径的频率分布曲线具有两个以上的峰值。

公开(公告)号：US20100068627A1

公开(公告)日：2010-03-18

申请号：US12517135

申请日：2008-08-05

申请人： Yoshiyuki Muraoka ,  Kozo Watanabe ,  Kaoru Inoue ,  Yukihiro Okada

发明人： Yoshiyuki Muraoka ,  Kozo Watanabe ,  Kaoru Inoue ,  Yukihiro Okada

IPC分类号： H01M4/62 ,  H01M2/16 ,  H01M4/82 ,  H01M10/04

CPC分类号： H01M10/058 ,  H01M2/14 ,  H01M4/13 ,  H01M4/622 ,  H01M4/623 ,  H01M4/66 ,  H01M4/661 ,  H01M10/0431 ,  H01M10/052 ,  H01M2004/021 ,  Y02P70/54 ,  Y10T29/49115

摘要： A nonaqueous electrolyte secondary battery includes: a positive electrode 4 including a positive electrode current collector and a positive electrode mixture layer containing a positive electrode active material and a binder, the positive electrode mixture layer being provided on the positive electrode current collector; a negative electrode 5; a porous insulating layer 6 interposed between the positive electrode 4 and the negative electrode 5; and a nonaqueous electrolyte. The positive electrode 4 has a tensile extension percentage of equal to or higher than 3.0%. The positive electrode current collector is made of aluminium containing iron. In this manner, the tensile extension percentage of the positive electrode is increased without a decrease in capacity of the nonaqueous electrolyte secondary battery. Accordingly, even when the nonaqueous electrolyte secondary battery is destroyed by crush, occurrence of short-circuit in the nonaqueous electrolyte secondary battery can be suppressed.

摘要翻译： 非水电解质二次电池包括：具有正极集电体的正极4和含有正极活性物质和粘合剂的正极合剂层，正极合剂层设置在正极集电体上; 负极5; 夹在正极4和负极5之间的多孔绝缘层6; 和非水电解质。 正极4的拉伸伸长率为3.0％以上。 正极集电体由含铁的铝制成。 以这种方式，正极的拉伸伸长率增加，而非非水电解质二次电池的容量降低。 因此，即使当非水电解质二次电池被挤压破坏时，也可以抑制非水电解质二次电池中短路的发生。

公开(公告)号：US20090242072A1

公开(公告)日：2009-10-01

申请号：US12482138

申请日：2009-06-10

申请人： Haruya Nakai ,  Takashi Ohkawa ,  Hiroyuki Kannari ,  Hiroyuki Usui ,  Tomitake Omori ,  Hideki Kasahara ,  Gota Asano ,  Yoshiyuki Muraoka ,  Nobuyuki Kawaguchi ,  Takashi Ebihara

发明人： Haruya Nakai ,  Takashi Ohkawa ,  Hiroyuki Kannari ,  Hiroyuki Usui ,  Tomitake Omori ,  Hideki Kasahara ,  Gota Asano ,  Yoshiyuki Muraoka ,  Nobuyuki Kawaguchi ,  Takashi Ebihara

IPC分类号： H01M4/04

CPC分类号： H01M4/80 ,  H01M4/0404 ,  H01M4/0409 ,  H01M4/0435 ,  H01M4/32 ,  H01M4/52 ,  H01M4/621 ,  H01M4/624 ,  H01M4/667 ,  H01M10/345 ,  H01M10/44 ,  H01M2004/027 ,  Y02E60/124 ,  Y02P70/54 ,  Y10T29/49112 ,  Y10T29/49115

摘要： An alkaline storage battery including a strip-shaped porous metal substrate and a material mixture filled into the substrate. The substrate has an unfilled portion where the material mixture is not filled along at least one of two longitudinal sides of the substrate. The substrate has a weight per unit area of 150 to 350 g/m2. The material mixture contains an active material and an elastic polymer.

摘要翻译： 一种碱性蓄电池，包括条状多孔金属基底和填充到基底中的材料混合物。 衬底具有未填充部分，其中材料混合物不沿着衬底的两个纵向侧面中的至少一个填充。 基板的单位面积重量为150〜350g / m 2。 该材料混合物含有活性材料和弹性聚合物。

公开(公告)号：US20060159984A1

公开(公告)日：2006-07-20

申请号：US11328220

申请日：2006-01-10

申请人： Masatoshi Nagayama ,  Takuya Nakashima ,  Yoshiyuki Muraoka

发明人： Masatoshi Nagayama ,  Takuya Nakashima ,  Yoshiyuki Muraoka

IPC分类号： H01M10/42 ,  H01M2/02

CPC分类号： H01M2/105 ,  H01M10/0525 ,  H01M10/443 ,  H01M10/615 ,  H01M10/617 ,  H01M10/6235 ,  H01M10/637 ,  H01M10/643 ,  H01M10/651 ,  H01M10/6562 ,  H01M10/6566 ,  H01M10/659

摘要： A non-aqueous electrolyte rechargeable battery pack is provided, which includes a measuring unit for measuring a battery voltage and a battery temperature and a control unit for controlling charge and discharge based on a measuring result of the measuring unit. A plurality of cylindrical non-aqueous electrolyte rechargeable batteries each having positive and negative terminals at a cover and a bottom are accommodated in a battery housing in such a manner that side faces of adjacent non-aqueous electrolyte rechargeable batteries face each other. All the cylindrical non-aqueous electrolyte rechargeable batteries are electrically connected to one another. B/A is set to be in a range between 0.02 and 0.2 where A is a diameter of each cylindrical non-aqueous electrolyte rechargeable battery and B is a distance between the side faces of the adjacent batteries. Due to this, it is possible to realize the non-aqueous electrolyte rechargeable battery pack having a structure suitable for outdoor use as a power source for an electric tool.

摘要翻译： 提供了一种非水电解质可充电电池组，其包括用于测量电池电压的测量单元和电池温度，以及用于基于测量单元的测量结果控制充放电的控制单元。 在盖和底部具有正极和负极端子的多个圆柱形非水电解质可再充电电池以相邻的非水电解质可再充电电池的侧面彼此面对的方式容纳在电池壳体中。 所有圆柱形非水电解质可再充电电池彼此电连接。 B / A设定在0.02和0.2之间的范围内，其中A是每个圆柱形非水电解质可再充电电池的直径，B是相邻电池的侧面之间的距离。 由此，可以实现具有适合室外结构的非水电解质二次电池组作为电动工具的电源。

公开(公告)号：US08105396B2

公开(公告)日：2012-01-31

申请号：US12528589

申请日：2009-01-14

申请人： Yasuhiko Mukasa ,  Yoshiyuki Muraoka

发明人： Yasuhiko Mukasa ,  Yoshiyuki Muraoka

IPC分类号： H01M10/04 ,  H01M2/16 ,  H01M4/66

CPC分类号： H01M10/0431 ,  H01M2/1653 ,  H01M2/1673 ,  H01M4/0404 ,  H01M4/0409 ,  H01M4/13 ,  H01M4/139 ,  H01M4/661 ,  H01M10/0436 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/0587 ,  H01M2004/021 ,  Y02T10/7011 ,  Y10T29/49115

摘要： A nonaqueous electrolyte secondary battery includes an electrode group 8 including a positive electrode 4 including a positive electrode current collector 4A and a positive electrode active material formed on the positive electrode current collector 4A, a negative electrode 5 including a negative electrode current collector 5A and a negative electrode active material formed on the negative electrode current collector 5A, and a porous insulating layer 6, the electrode group 8 being formed by winding or stacking the positive electrode 4 and the negative electrode 5 with the porous insulating layer 6 interposed. The positive electrode 4 has a tensile extension equal to or higher than 3.0%. The porous insulating layer 6 is made of a material containing aramid resin. Hence, even when the nonaqueous electrolyte secondary battery is destroyed by crush, occurrence of an internal short circuit in the battery can be prevented, thereby suppressing abnormal heat generation caused by an internal short circuit.

摘要翻译： 非水电解质二次电池包括：包括正极集电体4A和正极集电体4A上形成的正极活性物质的正极4的电极组8，负极集电体5A和负极集电体5A的负极5 形成在负极集电体5A上的负极活性物质和多孔绝缘层6，电极组8通过将多孔绝缘层6夹在正极4和负极5上而形成。 正极4的拉伸伸长率为3.0％以上。 多孔绝缘层6由含有芳族聚酰胺树脂的材料制成。 因此，即使当非水电解质二次电池被挤压破坏时，也可以防止电池内部短路的发生，从而抑制由内部短路引起的异常发热。

公开(公告)号：US20110195307A1

公开(公告)日：2011-08-11

申请号：US13122813

申请日：2010-04-23

申请人： Yoshiyuki Muraoka ,  Masaya Ugaji

发明人： Yoshiyuki Muraoka ,  Masaya Ugaji

IPC分类号： H01M4/66 ,  H01M4/50 ,  H01M4/52 ,  H01M4/62 ,  H01M4/04 ,  B05D5/12 ,  B05D3/02

CPC分类号： H01M4/661 ,  H01M4/0404 ,  H01M4/13 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M4/621 ,  H01M4/622 ,  H01M4/623 ,  H01M2004/021 ,  H01M2004/028

摘要： A nonaqueous electrolyte secondary battery includes a positive electrode (4), a negative electrode (5), and a porous insulating layer (6). The porous insulating layer (6) is provided between the positive electrode (4) and the negative electrode (5). A tensile extension percentage of the positive electrode (4) is 3% or more. In other words, a positive electrode current collector (4A) contains an aluminum particle whose average particle size is 1 μm or more. A positive electrode mixture layer (4B) is provided on at least one surface of the positive electrode current collector (4A), and contains a positive electrode active material and an organic material whose melting point or softening point is higher than 200° C.

摘要翻译： 非水电解质二次电池包括正极（4），负极（5）和多孔绝缘层（6）。 多孔绝缘层（6）设置在正极（4）和负极（5）之间。 正极（4）的拉伸伸长率为3％以上。 换句话说，正极集电体（4A）含有平均粒径为1μm以上的铝粒子。 在正极集电体（4A）的至少一个面上设置正极合剂层（4B），并且含有正极活性物质和熔点或软化点高于200℃的有机材料。