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1. 发明授权

US06218046B1 Positive electrode material for alkaline storage battery and method of producing the same 有权
标题翻译：碱性蓄电池用正极材料及其制造方法
公开(公告)号：US06218046B1
公开(公告)日：2001-04-17
申请号：US09146121
申请日：1998-09-02
申请人： Futoshi Tanigawa , Masumi Katsumoto , Fumio Kato , Tatsuhiko Suzuki , Yoshitaka Dansui , Kohji Yuasa
发明人： Futoshi Tanigawa , Masumi Katsumoto , Fumio Kato , Tatsuhiko Suzuki , Yoshitaka Dansui , Kohji Yuasa
IPC分类号： H01M432
CPC分类号： H01M4/52
摘要： The present invention provides a positive electrode material for alkaline storage batteries which has high energy density and causes little capacity reduction even when a charge/discharge cycle is repeated at high temperatures. The positive electrode material for alkaline storage batteries of the present invention comprises nickel hydroxide particles and a layers of cobalt oxide coating the nickel hydroxide particles. A valence of cobalt of the cobalt oxide is greater than 3.0, and the cobalt oxide contains sodium ions or potassium ions inside the crystal and further fixes lithium hydroxide or lithium ions.
摘要翻译：本发明提供一种具有高能量密度的碱性蓄电池用正极材料，即使在高温下重复充放电循环也不会导致容量降低。本发明的碱性蓄电池用正极材料包含氢氧化镍粒子和涂覆氢氧化镍粒子的氧化钴层。钴氧化钴的价态大于3.0，氧化钴在晶体内含有钠离子或钾离子，并进一步固定氢氧化锂或锂离子。

2. 发明授权

US06455196B1 Non-sintered positive electrode for alkaline storage battery and alkaline storage battery using the same 有权
标题翻译：用于碱性蓄电池的非烧结正极和使用其的碱性蓄电池
公开(公告)号：US06455196B1
公开(公告)日：2002-09-24
申请号：US09209468
申请日：1998-12-11
申请人： Fumio Kato , Tatsuhiko Suzuki , Futoshi Tanigawa , Yoshitaka Dansui , Kohji Yuasa
发明人： Fumio Kato , Tatsuhiko Suzuki , Futoshi Tanigawa , Yoshitaka Dansui , Kohji Yuasa
IPC分类号： H01M452
CPC分类号： H01M4/32 , H01M4/52 , H01M4/808 , H01M10/30 , H01M10/345 , Y02E60/124
摘要： The present invention provides alkaline storage batteries high in energy density and excellent in overdischarge resistance, and, besides, less in decrease of capacity even if charging and discharging cycle is repeated at high temperatures. There is used a positive electrode comprising a foamed nickel substrate having the number of pores of 80-160 pores/inch (PPI2D) and a thickness of skeleton of 30-60 &mgr;m in which spherical nickel hydroxide solid solution particles having an average particle size of 5-20 &mgr;m and a cobalt oxide conductive agent having an average particle size of 1 &mgr;m or less and mainly composed of &ggr;-cobalt oxyhydroxide having a cobalt valence of higher than 3.0 are held and the total occupying ratio of the spherical nickel hydroxide solid solution particles and the cobalt oxide conductive agent based on the whole electrode plate is in the range of 75-85 vol %.
摘要翻译：本发明提供了能量密度高，耐过放电性优异的碱性蓄电池，而且即使在高温下重复充放电循环，容量也降低。使用包含孔数为80-160个孔/英寸（PPI2D）的孔的泡沫镍基材和30-60μm的骨架厚度的正极，其中平均粒径为主要由钴价高于3.0的γ-羟基氢氧化钴组成的平均粒径为1μm以下的氧化钴导电剂保持为5-20μm，并且球形氢氧化镍固溶体的总占有率基于整个电极板的颗粒和氧化钴导电剂在75-85体积％的范围内。

3. 发明授权

US6083642A Positive electrode material for alkaline storage battery, method of producing the same, and alkaline storage battery using the same 失效
标题翻译：碱性蓄电池用正极材料及其制造方法以及使用其的碱性蓄电池
公开(公告)号：US6083642A
公开(公告)日：2000-07-04
申请号：US991415
申请日：1997-12-16
申请人： Fumio Kato , Futoshi Tanigawa , Yoshitaka Dansui , Kohji Yuasa
发明人： Fumio Kato , Futoshi Tanigawa , Yoshitaka Dansui , Kohji Yuasa
IPC分类号： C01G51/00 , C01G51/04 , C01G53/00 , H01M4/32 , H01M4/52 , H01M4/62 , H01M10/30
CPC分类号： C01G51/04 , H01M4/52 , C01P2002/72 , C01P2002/74 , C01P2002/77 , C01P2002/84 , C01P2004/61 , C01P2004/62 , C01P2004/80 , C01P2006/12 , C01P2006/40 , C01P2006/60 , H01M2300/0014
摘要： Disclosed is a positive electrode material which provides an alkaline storage battery having high active material utilization, wherein good capacity recovery can be obtained by charging even after standing in the state of overdischarge or short circuit, and reduction in capacity scarcely arises. This active material comprises nickel hydroxide particles and a cobalt oxide. The cobalt oxide is a higher cobalt oxide containing as a main component .gamma.-cobalt oxyhydroxide, which belongs to any one crystal system of hexagonal, orthorhombic and monoclinic systems and has a layered structure, wherein a lattice spacing of the (003) plane is from 5.5 to 7.0 angstroms and an average valence of cobalt is higher than 3.0. Those which are prepared by coating the surface of nickel hydroxide particles with the higher cobalt oxide are preferable.
摘要翻译：公开了一种正极材料，其提供具有高活性物质利用率的碱性蓄电池，其中即使在过放电或短路状态下即使经过充电也能获得良好的容量恢复，几乎不产生容量的降低。该活性物质包括氢氧化镍颗粒和氧化钴。氧化钴是含有作为主要成分γ-羟基氢氧化钴的较高的氧化钴，属于六方晶系，斜方晶系和单斜晶系的任何一种晶体系，具有层状结构，其中（003）面的晶格间距为 5.5至7.0埃，钴的平均价高于3.0。通过用较高的氧化钴涂覆氢氧化镍颗粒的表面制备的那些是优选的。

4. 发明授权

US06471890B2 Method for producing a positive electrode active material for an alkaline storage battery 有权
公开(公告)号：US06471890B2
公开(公告)日：2002-10-29
申请号：US09828740
申请日：2001-04-09
申请人： Futoshi Tanigawa , Yasushi Nakamura , Yoshitaka Dansui , Kohji Yuasa
发明人： Futoshi Tanigawa , Yasushi Nakamura , Yoshitaka Dansui , Kohji Yuasa
IPC分类号： H01B102
CPC分类号： H01M4/52
摘要： The method for producing a positive electrode active material for an alkaline storage battery is disclosed. The method includes a first oxidation treatment of a raw material powder comprising a nickel hydroxide solid solution and cobalt hydroxide to oxidize the cobalt hydroxide to a cobalt oxyhydroxide; and a second oxidation treatment of the powder obtained in the first oxidation treatment to oxidize the nickel hydroxide solid solution to a nickel oxyhydroxide solid solution.

5. 发明授权

US06858347B2 Paste type positive electrode for alkaline storage battery, and nickel-metal hydride storage battery 有权
标题翻译：碱性蓄电池用膏型正极，镍氢蓄电池
公开(公告)号：US06858347B2
公开(公告)日：2005-02-22
申请号：US09752375
申请日：2000-12-29
申请人： Futoshi Tanigawa , Akihiro Maeda , Yasushi Nakamura , Yoichi Izumi , Yoshitaka Dansui , Kohji Yuasa
发明人： Futoshi Tanigawa , Akihiro Maeda , Yasushi Nakamura , Yoichi Izumi , Yoshitaka Dansui , Kohji Yuasa
IPC分类号： H01M10/30 , H01M4/26 , H01M4/32 , H01M4/52 , H01M4/62 , H01M10/34
CPC分类号： H01M4/52 , H01M4/32 , H01M10/345 , Y02E60/124
摘要： The paste type positive electrode of the present invention contains a first active material and a second active material. The first active material comprises X parts by weight of particulate nickel hydroxide with aX/100 parts by weight of cobalt oxyhydroxide carried thereon. The second active material comprises Y parts by weight of particulate nickel oxyhydroxide, of which an oxidation number of nickel is α, with bY/100 parts by weight of cobalt oxyhydroxide carried thereon. Here, all the following relations are satisfied: (1) 2.5≦α
摘要翻译：本发明的糊状正极含有第一活性物质和第二活性物质。第一活性物质包含X重量份颗粒状氢氧化镍，其中载有一种X / 100重量份的氢氧化正钴。第二活性物质包含Y重量份的颗粒状羟基氧化镍，镍的氧化数为α，bY / 100重量份的氢氧化正钴。这里，满足以下所有关系：（1）2.5 <=α<3.0，（2）0.01 <=（aX / 100 + bY / 100）/（X + Y）<= 0.20，（3）0

6. 发明授权

US06489059B2 Alkaline storage battery and positive electrode used for the alkaline storage battery 有权
标题翻译：碱性蓄电池和正极用于碱性蓄电池
公开(公告)号：US06489059B2
公开(公告)日：2002-12-03
申请号：US09794121
申请日：2001-02-28
申请人： Tatsuhiko Suzuki , Yoshitaka Dansui , Hideki Kasahara , Kohji Yuasa
发明人： Tatsuhiko Suzuki , Yoshitaka Dansui , Hideki Kasahara , Kohji Yuasa
IPC分类号： H01M432
CPC分类号： H01M4/364 , H01M4/38 , H01M4/48 , H01M4/52 , H01M4/521 , H01M10/30 , Y02E60/124
摘要： An alkaline storage battery using positive electrodes comprising an active material containing nickel hydroxide particles and a rare earth element or a compound thereof containing or mixed with 0.1-100 ppm of Fe or an Fe compound based on the rare earth element or the compound thereof is provided.
摘要翻译：提供一种碱性蓄电池，其使用包含含有氢氧化镍颗粒和稀土元素的活性物质的活性物质，或含有0.1〜100ppm Fe或Fe化合物的稀土元素或其化合物或其化合物。。

7. 发明授权

US6074785A Nickel/metal hydride storage battery 失效
标题翻译：镍/金属氢化物蓄电池
公开(公告)号：US6074785A
公开(公告)日：2000-06-13
申请号：US58227
申请日：1998-04-10
申请人： Yoshitaka Dansui , Fumio Kato , Kenji Suzuki , Kohji Yuasa
发明人： Yoshitaka Dansui , Fumio Kato , Kenji Suzuki , Kohji Yuasa
IPC分类号： H01M4/32 , H01M4/52 , H01M6/04 , H01M10/30 , H01M10/34
CPC分类号： H01M6/045 , H01M10/345 , H01M4/52 , Y02E60/124
摘要： The present invention provides a nickel/metal hydride storage battery using improved nickel hydroxide with an increased energy density as the active material. This invention is characterized in that the nickel hydroxide as the active material of the positive electrode constituting the battery indispensably contains as a solid solution at least one transition metal selected from the group consisting of Mn, Cr and Co in a proportion of 2 to 20 atomic % based on the amount of the nickel hydroxide in terms of metallic nickel, and that the crystal structure of the nickel hydroxide at charged state is a hexagonal or tetragonal system which has a diffraction peak of 2.theta. on (00l) plane of .beta.-NiOOH at an angle of approximately 15.degree. to 19.degree. in X-ray diffraction using CuK.alpha. as a source and has a regular array with a NaCl type structure.
摘要翻译：本发明提供一种镍/金属氢化物蓄电池，其使用具有增加的能量密度的改进的氢氧化镍作为活性材料。本发明的特征在于，作为构成电池的正极活性物质的氢氧化镍不可缺少地含有选自Mn，Cr和Co中的至少一种过渡金属，其比例为2〜20原子基于氢氧化镍的量以金属镍计，并且在充电状态下的氢氧化镍的晶体结构是六方晶系或四方晶系，其具有β-NiOOH（001）面上的2θ的衍射峰在使用CuKα作为源的X射线衍射中以约15°至19°的角度，并具有具有NaCl型结构的规则阵列。

8. 发明授权

US06958200B2 Nickel-metal hydride storage battery and assembly of the same 失效
标题翻译：镍氢蓄电池和组装相同
公开(公告)号：US06958200B2
公开(公告)日：2005-10-25
申请号：US10263885
申请日：2002-10-03
申请人： Fumio Kato , Futoshi Tanigawa , Kohji Yuasa
发明人： Fumio Kato , Futoshi Tanigawa , Kohji Yuasa
IPC分类号： H01M2/02 , H01M2/10 , H01M2/12 , H01M4/32 , H01M4/36 , H01M4/52 , H01M10/30 , H01M10/34 , H01M4/23
CPC分类号： H01M10/345 , H01M2/02 , H01M2/0217 , H01M2/12 , H01M4/32 , H01M4/366 , H01M4/48 , H01M2004/028 , Y02E60/124
摘要： In a nickel-metal hydride storage battery comprising: an electrode plate assembly including current collectors on the top and bottom portions; an alkaline electrolyte; and a battery case having a substantially rectangular parallelepiped part for accommodating the electrode plate assembly and the alkaline electrolyte, the capacity degradation due to deep discharge and reverse charge inherent to a nickel-metal hydride storage battery is suppressed by setting the amount of the alkaline electrolyte at 70 to 90% of the volume V of the residual space in the battery represented by the equation (1): V=S·h−(V1+V2+V3+V4) (1), where S is the cross sectional area of the inner space of the substantially rectangular parallelepiped part, h is the height of the electrode plate assembly, V1 is the true volume of the positive electrode plate, V2 is the true volume of the negative electrode plate, V3 is the true volume of the separator, and V4 is the volume of the two current collectors.
摘要翻译：一种镍氢蓄电池，包括：在顶部和底部包括集流器的电极板组件; 碱性电解液以及具有用于容纳电极板组件和碱性电解质的基本上为长方体的电池壳体，通过将碱性电解质的量设定来抑制由于深度放电引起的容量劣化和镍氢蓄电池固有的反向电荷在由等式（1）表示的电池中的剩余空间的体积V的70至90％：V = Sh-（V 1 + V 2 + V 3 + V 4）（1），其中S是十字大致长方体部分的内部空间截面积h是电极板组件的高度，V 1是正极板的真实体积，V 2是负极板的真实体积，V 3是分离器的真实体积，V 4是两个集流器的体积。

9. 发明授权

US06517971B1 Nickel-hydrogen secondary battery and process for producing electrode therefor 有权
标题翻译：镍氢二次电池及其电极的制造方法
公开(公告)号：US06517971B1
公开(公告)日：2003-02-11
申请号：US09467489
申请日：1999-12-20
申请人： Yoshitaka Dansui , Kenji Suzuki , Kohji Yuasa
发明人： Yoshitaka Dansui , Kenji Suzuki , Kohji Yuasa
IPC分类号： H01M432
CPC分类号： H01M10/345 , H01M4/04 , H01M4/0402 , H01M4/0404 , H01M4/0416 , H01M4/0435 , H01M4/0438 , H01M4/0452 , H01M4/0471 , H01M4/0483 , H01M4/242 , H01M4/32 , H01M4/383 , H01M4/385 , H01M4/52 , Y10S420/90 , Y10T29/49108 , Y10T29/49115
摘要： By using a thin film-formed positive electrode, and negative electrode and a film separator, the capacity density of the electrode plate can be improved and at the same time a nickel-hydrogen secondary battery with a higher capacity can be easily obtained; as a result a nickel-hydrogen secondary battery with a higher capacity density can be provided.
摘要翻译：通过使用薄膜形成的正极和负极和膜分离器，可以提高电极板的容量密度，同时可以容易地获得具有较高容量的镍氢二次电池; 结果，可以提供具有较高容量密度的镍氢二次电池。

10. 发明授权

US6033805A Nickel-hydrogen secondary battery and process for producing electrode therefor 失效
公开(公告)号：US6033805A
公开(公告)日：2000-03-07
申请号：US997454
申请日：1997-12-23
申请人： Yoshitaka Dansui , Kenji Suzuki , Kohji Yuasa
发明人： Yoshitaka Dansui , Kenji Suzuki , Kohji Yuasa
IPC分类号： H01M2/16 , H01M4/24 , H01M4/26 , H01M4/32 , H01M4/38 , H01M4/52 , H01M4/62 , H01M10/30 , H01M10/34
CPC分类号： H01M10/345 , H01M4/04 , H01M4/0402 , H01M4/0404 , H01M4/0416 , H01M4/0435 , H01M4/0438 , H01M4/0452 , H01M4/0471 , H01M4/0483 , H01M4/242 , H01M4/32 , H01M4/385 , H01M4/52 , H01M4/383 , Y10S420/90 , Y10T29/49108 , Y10T29/49115
摘要： By using a thin film-formed positive electrode, and negative electrode and a film separator, the capacity density of the electrode plate can be improved and at the same time a nickel-hydrogen secondary battery with a higher capacity can be easily obtained; as a result a nickel-hydrogen secondary battery with a higher capacity density can be provided.

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