公开(公告)号：US06790558B2

公开(公告)日：2004-09-14

申请号：US10045839

申请日：2001-10-19

申请人： Yukihiro Okada ,  Miho Kayama ,  Yoichiro Tsuji

发明人： Yukihiro Okada ,  Miho Kayama ,  Yoichiro Tsuji

IPC分类号： H01M418

CPC分类号： B22F1/0088 ,  C22C1/0441 ,  H01M4/02 ,  H01M4/242 ,  H01M4/26 ,  H01M4/383 ,  H01M4/46 ,  H01M4/52 ,  H01M4/60 ,  Y10S420/90

摘要： A method of producing an electrode alloy powder is disclosed, wherein, to provide an electrode alloy powder capable of yielding an alkaline storage battery excellent in high-rate discharge property, self-discharge property and cycle life, a first step of immersing a starting powder comprising a hydrogen storage alloy containing 20 to 70 wt % of Ni in an aqueous solution containing 30 to 80 wt % of sodium hydroxide at a temperature of 90° C. or higher and a second step of washing with water the powder which has been subjected to the first step are conducted.

摘要翻译： 公开了一种制造电极合金粉末的方法，其中提供能够产生高放电性，自放电性和循环寿命优异的碱性蓄电池的电极合金粉末，第一步是将起始粉末 在含有30〜80重量％的氢氧化钠的水溶液中，在90℃以上的温度下含有20〜70重量％的Ni的储氢合金，以及第2步骤， 进行第一步。

公开(公告)号：US09438075B2

公开(公告)日：2016-09-06

申请号：US13983262

申请日：2012-02-02

申请人： Hu Li ,  Yuichi Yoshikawa ,  Yukihiro Okada ,  Minoru Chamura ,  Tooru Nakamaru ,  Yasuji Echizen

发明人： Hu Li ,  Yuichi Yoshikawa ,  Yukihiro Okada ,  Minoru Chamura ,  Tooru Nakamaru ,  Yasuji Echizen

IPC分类号： H02K1/18 ,  H02K1/14

CPC分类号： H02K1/146 ,  H02K1/148 ,  H02K1/18 ,  H02K1/185

摘要： A motor stator of the invention is provided with a laminated stator core comprising a plurality of core pieces having teeth and linked by intermediate thin-wall portions. The thin-wall portions are bent to form the stator core into an annular shape with two ends of the stator core joined by welding, and slots are formed between adjoining pairs of the teeth. A welded portion of the stator core is not near a center line in a radial direction of any of the slots.

摘要翻译： 本发明的电动机定子具有层叠的定子铁心，该铁心包括具有齿的多个芯片，并由中间薄壁部分连接。 薄壁部分被弯曲以将定子芯形成环形，其中定子芯的两端通过焊接连接，并且在邻接的齿对之间形成槽。 定子铁心的焊接部分不在任何槽的径向方向上的中心线附近。

公开(公告)号：US20150086851A1

公开(公告)日：2015-03-26

申请号：US14397292

申请日：2012-04-27

申请人： Masahiro Morita ,  Yutaka Oyama ,  Takahiro Tsubouchi ,  Atsushi Saito ,  Yukihiro Okada

发明人： Masahiro Morita ,  Yutaka Oyama ,  Takahiro Tsubouchi ,  Atsushi Saito ,  Yukihiro Okada

IPC分类号： H01M10/0567 ,  H01M10/058 ,  H01M10/42 ,  H01M4/13

CPC分类号： H01M10/0567 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/13 ,  H01M4/1391 ,  H01M10/052 ,  H01M10/058 ,  H01M10/4235 ,  H01M2004/021 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

摘要： The present invention provides a non-aqueous electrode secondary battery supplied with a non-aqueous electrolyte comprising an overcharge additive. The positive electrode material layer constituting the positive electrode in the non-aqueous electrolyte secondary battery is characterized by having a differential pore volume peak A as well as a peak B located on the smaller pore diameter side than the peak A in a pore diameter range of 0.05 μm to 2 μm in a pore size distribution curve measured by a mercury porosimeter, wherein the pore size distribution curve has a minimum C corresponding to a minimum differential pore volume between the peak A and the peak B, such that a ratio (XC/XL) of the minimum C's differential pore volume XC to a differential pore volume XL, which is the larger between the peak A's differential pore volume XA and the peak B's differential pore volume XB is 0.6 or larger.

摘要翻译： 本发明提供了一种非水电极二次电池，其供给含有过充电添加剂的非水电解质。 在非水电解质二次电池中构成正极的正极材料层的特征在于具有不同的孔体积峰值A以及位于比孔A的孔径范围内的峰A更小的孔B侧的峰B 在通过水银孔率计测量的孔径分布曲线中为0.05μm至2μm，其中孔径分布曲线具有对应于峰A和峰B之间的最小微孔容积的最小值C，使得比例（XC / 峰值A的不同孔体积XA和峰B的微孔容积XB之间的差异孔体积XL的最小C的不同孔体积XC与微分孔容积XL之间的差为0.6以上。

公开(公告)号：US08617742B2

公开(公告)日：2013-12-31

申请号：US13388512

申请日：2009-08-04

申请人： Koji Takahata ,  Yukihiro Okada

发明人： Koji Takahata ,  Yukihiro Okada

IPC分类号： H01M10/056 ,  H01M10/0568

CPC分类号： H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011 ,  Y10T29/49108 ,  Y10T29/4911

摘要： There is provided a lithium ion secondary cell excellent in charging and discharging cycle characteristics. A lithium ion secondary cell includes an electrode body including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a separator, and a non-aqueous electrolyte containing a lithium salt as a supporting salt in an organic solvent, the electrode body and the non-aqueous electrolyte being accommodated in a case. The positive electrode active material is a lithium transition metal oxide having a spinel type structure. The electrolyte contains a compound represented by a chemical formula (I) in an amount of β mol relative to the total content α mol of moisture to be mixed in the cell. β satisfies −0.8≦log(β/α)≦1.5.

摘要翻译： 提供了充放电循环特性优异的锂离子二次电池。 锂离子二次电池包括电极体，其包括具有正极活性物质的正极，具有负极活性物质的负极和隔板，以及含有锂盐作为支持盐的非水电解质 有机溶剂，电极体和非水电解质容纳在壳体中。 正极活性物质是具有尖晶石型结构的锂过渡金属氧化物。 所述电解质含有化学式（I）表示的化合物相对于在所述电池中混合的水分的总摩尔量的β摩尔量。 beta满足-0.8@log（beta / alpha）@ 1.5。

公开(公告)号：US20130293058A1

公开(公告)日：2013-11-07

申请号：US13978852

申请日：2011-12-05

申请人： Yukihiro Okada ,  Minoru Chamura ,  Yasuji Echizen ,  Tooru Nakamaru ,  Hu Li

发明人： Yukihiro Okada ,  Minoru Chamura ,  Yasuji Echizen ,  Tooru Nakamaru ,  Hu Li

IPC分类号： H02K1/12

CPC分类号： H02K1/12 ,  H02K1/148

摘要： In a core material according to the present invention, a predetermined number of core pieces, each having a tooth portion and a yoke portion, are connected to each other via connecting portions. Each of the connecting portions includes: a V-shaped notch portion; a through hole that is formed at a tapered portion of the notch portion with a diameter elongated in a connection direction; and a thin portion that is formed outside of the through hole and connects the core pieces to each other. The width of the thin portion is more increased apart from the axis of symmetry of two sides constituting the V shape of the notch portion, and further, an intersection between extension lines of the two sides constituting the V shape lies within 0.3 W from the inner side of the thin portion in a notch direction and within the thin portion when W designates the width of the thin portion along the axis of symmetry.

摘要翻译： 在根据本发明的芯材中，预定数量的具有齿部和轭部的芯片通过连接部彼此连接。 每个连接部分包括：V形切口部分; 形成在所述切口部的锥形部的通孔，所述锥形部的直径在连接方向上伸长; 以及形成在所述通孔的外侧并且将所述芯片彼此连接的薄壁部。 构成V形V字形的两边的对称轴的宽度比缺口部的V字的对称轴更大，另外，构成V字形的两边的延伸线的交点位于内侧的0.3W以内 在W表示沿着对称轴的薄部分的宽度的情况下，在薄壁部分中的薄壁部分的一侧。

公开(公告)号：US20120295157A1

公开(公告)日：2012-11-22

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： H01M4/64 ,  H01M10/04

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.

公开(公告)号：US20110091795A1

公开(公告)日：2011-04-21

申请号：US12978909

申请日：2010-12-27

申请人： Takashi AKIYAMA ,  Junji Niikura ,  Kohji Yuasa ,  Yukihiro Okada ,  Satoshi Shibutani ,  Hideyuki Ueda

发明人： Takashi AKIYAMA ,  Junji Niikura ,  Kohji Yuasa ,  Yukihiro Okada ,  Satoshi Shibutani ,  Hideyuki Ueda

IPC分类号： H01M8/04 ,  H01M2/00

CPC分类号： H01M8/04208 ,  H01M8/0284 ,  H01M8/2475

摘要： A fuel container for storing a fuel liquid for a fuel cell has a double wall structure including an inner container for storing a fuel liquid and an outer container for housing the inner container, and a material capable of retaining the fuel between the inner container and the outer container. A fuel cell pack includes a fuel cell and a fuel container for storing a fuel liquid for the fuel cell. The fuel cell pack includes a double wall exterior casing having an inner casing for housing the fuel cell and the fuel container and an outer casing for housing the inner casing, and a material capable of retaining the fuel between the inner casing and the outer casing.

摘要翻译： 用于储存燃料电池用燃料液体的燃料容器具有双层壁结构，该双层壁结构包括用于储存燃料液的内部容器和用于容纳内部容器的外部容器，以及能够将燃料保持在内部容器和内部容器之间的材料 外容器。 燃料电池组包括燃料电池和用于存储用于燃料电池的燃料液体的燃料容器。 燃料电池组包括双壁外壳，其具有用于容纳燃料电池和燃料容器的内壳和用于容纳内壳的外壳，以及能够将燃料保持在内壳和外壳之间的材料。

公开(公告)号：US20110033750A1

公开(公告)日：2011-02-10

申请号：US12937667

申请日：2010-03-03

申请人： Takashi Hosokawa ,  Yukihiro Okada ,  Hideaki Fujita ,  Shinji Arimoto

发明人： Takashi Hosokawa ,  Yukihiro Okada ,  Hideaki Fujita ,  Shinji Arimoto

IPC分类号： H01M4/525

CPC分类号： H01M4/131 ,  C01G53/006 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2004/03 ,  C01P2006/40 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/525 ,  H01M10/0525

摘要： A positive electrode active material for a non-aqueous electrolyte secondary battery of the present invention includes composite oxide particles including lithium, nickel, and an element M, the element M being at least one of aluminum and cobalt. The composite oxide particles include primary particles and each particle of the primary particles includes a surface portion and an inner portion. A content of the element M in the surface portion is higher than a content of the element M in the inner portion, and a proportion of the primary particles relative to all of the composite oxide particles is 80 to 100 wt %. According to the invention, a positive electrode active material for a non-aqueous electrolyte secondary battery that has excellent cycle characteristics and storage characteristics and is suitable for use in a wide range of the state of charge and in a high-temperature environment and a non-aqueous electrolyte secondary battery using the same can be obtained.

摘要翻译： 本发明的非水电解质二次电池用正极活性物质，包括锂，镍，元素M的复合氧化物粒子，元素M为铝和钴中的至少一种。 复合氧化物粒子包括一次粒子，一次粒子的各粒子包括表面部分和内部部分。 表面部分中的元素M的含量高于内部元素M的含量，一次粒子相对于全部复合氧化物粒子的比例为80〜100重量％。 根据本发明，一种非水电解质二次电池用正极活性物质，具有优异的循环特性和储存特性，适用于宽范围的充电状态，高温环境和非高温环境 可以获得使用该二次电池的水电解质二次电池。

公开(公告)号：US20110008661A1

公开(公告)日：2011-01-13

申请号：US12921090

申请日：2009-03-06

申请人： Kiyomi Kozuki ,  Yasushi Hirakawa ,  Yukihiro Okada ,  Hideaki Fujita

发明人： Kiyomi Kozuki ,  Yasushi Hirakawa ,  Yukihiro Okada ,  Hideaki Fujita

IPC分类号： H01M10/0587 ,  H01M10/38 ,  H01M2/02

CPC分类号： H01M10/058 ,  H01M2/26 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/0587 ,  Y10T29/49108 ,  Y10T29/49112

摘要： A lithium ion secondary battery of the invention includes an electrode structure including an electrode group composed of a strip-shaped laminate or winding including a positive electrode in which a positive electrode active material layer is attached to a positive electrode current collector, a negative electrode, and a separator; a positive electrode current collector plate including aluminum foil; and a negative electrode current collector plate electrically connected to the negative electrode. The positive electrode has, at one longitudinally extending end edge of the laminate, a positive electrode current collector-exposed portion protruding beyond the negative electrode. The positive electrode current collector plate is electrically connected to the positive electrode by applying a non-corrosive flux containing a fluoride to at least one of the positive electrode current collector-exposed portion and the positive electrode current collector plate, and then welding the positive electrode current collector plate to the positive electrode current collector-exposed portion.

摘要翻译： 本发明的锂离子二次电池包括电极结构，该电极结构包括由带状层叠体构成的电极组或具有将正极活性物质层附着于正极集电体的正极的负极，负极， 和分离器; 包括铝箔的正极集电板; 以及与负极电连接的负极集电板。 正极在层叠体的一个纵向延伸的端部边缘处具有突出超过负极的正极集电体暴露部分。 正极集电板通过向正极集电体露出部和正极集电板中的至少一个施加含有氟化物的无腐蚀性助焊剂，与正极电连接，然后将正极 集电板到正极集电体露出部分。

公开(公告)号：US20100310938A1

公开(公告)日：2010-12-09

申请号：US12865986

申请日：2009-03-18

申请人： Yukihiro Okada ,  Hideaki Fujita ,  Naoyuki Wada ,  Shigeru Hanaoka ,  Shinji Arimoto ,  Takahiro Okuyama

发明人： Yukihiro Okada ,  Hideaki Fujita ,  Naoyuki Wada ,  Shigeru Hanaoka ,  Shinji Arimoto ,  Takahiro Okuyama

IPC分类号： H01M4/131 ,  H01M4/88

CPC分类号： H01M4/131 ,  C01G53/42 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2004/50 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/40 ,  H01M4/02 ,  H01M4/1391 ,  H01M4/364 ,  H01M4/525

摘要： The present invention mainly relates to non-aqueous electrolyte secondary batteries. The present invention intends to provide a non-aqueous electrolyte secondary battery having excellent cycle characteristics and excellent storage characteristics.The non-aqueous electrolyte secondary battery of the present invention includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte. The positive electrode active material includes secondary particles each being an aggregate of a plurality of primary particles, and the primary particles have an average particle diameter of 0.8 μm or less. The secondary particles each contain aluminum atoms, and the content of the aluminum atoms is larger in a portion near the surface of each of the secondary particles than in a portion near the center of each of the secondary particles.

摘要翻译： 本发明主要涉及非水电解质二次电池。 本发明提供一种具有优异的循环特性和优异的储存特性的非水电解质二次电池。 本发明的非水电解质二次电池包括正极，其包括正极活性物质，负极包含负极活性物质，隔膜插入在正极和负极之间，非水电解质 。 正极活性物质包括二次粒子，各二次粒子为多个一次粒子的骨料，一次粒子的平均粒径为0.8μm以下。 次级粒子各自含有铝原子，并且在每个二次粒子的表面附近的部分中的铝原子的含量比在每个二次粒子的中心附近的部分大。