公开(公告)号：US06576367B1

公开(公告)日：2003-06-10

申请号：US09720615

申请日：2000-12-26

申请人： Teruhiko Imoto ,  Masutaka Ouchi ,  Yohei Hirota ,  Kikuko Kato ,  Nobuyuki Higashiyama ,  Mamoru Kimoto ,  Shin Fujitani ,  Koji Nishio

发明人： Teruhiko Imoto ,  Masutaka Ouchi ,  Yohei Hirota ,  Kikuko Kato ,  Nobuyuki Higashiyama ,  Mamoru Kimoto ,  Shin Fujitani ,  Koji Nishio

IPC分类号： H01M458

CPC分类号： H01M4/26 ,  C01B3/0031 ,  H01M4/242 ,  H01M4/366 ,  H01M4/383 ,  H01M4/385 ,  H01M10/345 ,  Y02E60/124 ,  Y02E60/327 ,  Y02P70/54 ,  Y10S420/90

摘要： A hydrogen storage alloy, for use in alkaline storage batteries, having a CaCu5-type crystal structure and represented by the compositional formula MmNixCoyMnzMl-z (wherein M represents at least one element selected from the group consisting of aluminum (Al) and copper (Cu); x is a nickel (Ni) stoichiometry and satisfies 3.0≦x≦5.2; y is a cobalt (Co) stoichiometry and satisfies 0≦y≦1.2; z is a manganese (Mn) stoichiometry and satisfies 0.1≦z≦0.9; and the sum of x, y and z satisfies 4.4≦x+y+z≦5.4). The hydrogen storage alloy includes a bulk region having a CaCu5-type crystal structure and a substantially uniform composition and a surface region surrounding said bulk region and having a graded composition. When the sum in percentage of numbers of cobalt (Co) atoms and copper (Cu) atoms present in the surface region is given by a and that in the bulk region by b, the relationship a/b≧1.3 is satisfied.

摘要翻译： 一种用于碱性蓄电池的储氢合金，其具有CaCu5型晶体结构并由组成式MmNixCoyMnzMl-z表示（其中M表示选自铝（Al）和铜（Cu）中的至少一种元素 ）; x为镍（Ni）化学计量，满足3.0 <= x <= 5.2; y为钴（Co）化学计量，满足0 <= y <= 1.2; z为锰（Mn）化学计量， = z <= 0.9; x，y和z的和满足4.4 <= x + y + z <= 5.4）。 储氢合金包括具有CaCu5型晶体结构和基本上均匀组成的体区域和围绕所述体积区域并具有渐变组成的表面区域。 当存在于表面区域中的钴（Co）原子和铜（Cu）原子的数量的总和由a给出，并且在体积区域中由b给出时，满足a / b> = 1.3的关系。

公开(公告)号：US06395424B1

公开(公告)日：2002-05-28

申请号：US09524259

申请日：2000-03-14

申请人： Takuya Hashimoto ,  Yohei Hirota ,  Teruhiko Imoto ,  Kikuko Kato ,  Nobuyuki Higashiyama ,  Mamoru Kimoto ,  Shin Fujitani ,  Koji Nishio

发明人： Takuya Hashimoto ,  Yohei Hirota ,  Teruhiko Imoto ,  Kikuko Kato ,  Nobuyuki Higashiyama ,  Mamoru Kimoto ,  Shin Fujitani ,  Koji Nishio

IPC分类号： H01M458

CPC分类号： H01M4/383 ,  H01M4/0471 ,  H01M4/242 ,  H01M2004/021 ,  H01M2004/027 ,  Y10S420/90

摘要： In the present invention, a hydrogen absorbing alloy obtained by sintering hydrogen absorbing alloy powder containing not less than 50% by weight of particles having a particle diameter of not more than 25 &mgr;m at a temperature of not more than 850° C. is used for a hydrogen absorbing alloy electrode for an alkali storage battery, and the hydrogen absorbing alloy electrode for an alkali storage battery is used as a negative electrode of the alkali storage battery.

摘要翻译： 在本发明中，通过在不高于850℃的温度下烧结含有不少于50重量％粒径不大于25μm的颗粒的吸氢合金粉末而获得的吸氢合金用于 作为碱性蓄电池的负极，使用碱性蓄电池用吸氢合金电极和碱性蓄电池用吸氢合金电极。

公开(公告)号：US06376127B1

公开(公告)日：2002-04-23

申请号：US09535956

申请日：2000-03-27

申请人： Tadashi Teranishi ,  Hiroshi Nakajima ,  Hiroshi Watanabe ,  Shin Fujitani

发明人： Tadashi Teranishi ,  Hiroshi Nakajima ,  Hiroshi Watanabe ,  Shin Fujitani

IPC分类号： H01M458

CPC分类号： H01M10/0525 ,  H01M4/581 ,  H01M4/5815

摘要： A rechargeable lithium battery is disclosed having a positive electrode, a negative electrode and a non-aqueous electrolyte. Characteristically, the positive or negative electrode contains, as its active material, a complex sulfide represented by the compositional formula MxTi1−xSy, either with or without addition of Li thereto, wherein M is at least one selected from Cu, Zn, Cr, Mn, Co and Ni, x satisfies the relationship 0

摘要翻译： 公开了一种具有正极，负极和非水电解质的可再充电锂电池。 特征在于，正极或负极包含作为其活性物质的由组成式MxTi1-xSy表示的复合硫化物，其具有或不添加Li，其中M是选自Cu，Zn，Cr，Mn中的至少一种 ，Co和Ni，x满足关系0

公开(公告)号：US06372384B1

公开(公告)日：2002-04-16

申请号：US09535958

申请日：2000-03-27

申请人： Hiroyuki Fujimoto ,  Hiroshi Nakajima ,  Nobumichi Nishida ,  Hiroshi Watanabe ,  Shin Fujitani

发明人： Hiroyuki Fujimoto ,  Hiroshi Nakajima ,  Nobumichi Nishida ,  Hiroshi Watanabe ,  Shin Fujitani

IPC分类号： H01M458

CPC分类号： H01M10/0525 ,  C01G23/005 ,  C01G31/006 ,  C01P2006/40 ,  H01M2/0222 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0427 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2300/0037

摘要： A rechargeable lithium battery is disclosed having a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive or negative electrode contains, as its active material, an Li—Ti complex oxide having a spinel crystal structure and represented by the compositional formula Li4MxTi5−xO12, wherein M is at least one element selected from V, Nb, Mo and P and x satisfies the relationship 0

摘要翻译： 公开了一种具有正极，负极和非水电解质的可再充电锂电池。 正极或负极包含作为其活性物质的具有尖晶石晶体结构并由组成式Li 4 M x Ti 5-x O 12表示的Li-Ti复合氧化物，其中M是选自V，Nb，Mo和P中的至少一种元素，以及 x满足0

公开(公告)号：US06337158B1

公开(公告)日：2002-01-08

申请号：US09464193

申请日：1999-12-16

申请人： Hiroshi Nakajima ,  Hiroyuki Fujimoto ,  Ryuji Ohshita ,  Shin Fujitani ,  Hiroshi Watanabe ,  Toshiyuki Nohma ,  Koji Nishio

发明人： Hiroshi Nakajima ,  Hiroyuki Fujimoto ,  Ryuji Ohshita ,  Shin Fujitani ,  Hiroshi Watanabe ,  Toshiyuki Nohma ,  Koji Nishio

IPC分类号： H01M450

CPC分类号： H01M4/505 ,  C01G45/1242 ,  C01G53/54 ,  C01P2002/32 ,  C01P2002/52 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/40 ,  H01M10/052

摘要： A lithium secondary battery of this invention includes a positive electrode using, as an active material, a lithium-containing manganese composite oxide with a spinel structure having a composition, during charge and discharge, represented by a formula, LixMn2-y-zNiyMzO4, in which M is at least one element selected from the group consisting of Fe, Co, Ti, V, Mg, Zn, Ga, Nb, Mo and Cu; 0.02≦×≦1.10, whereas x changes in accordance with occlusion and discharge of lithium ions during charge and discharge; 0.25≦y≦0.60; and 0

摘要翻译： 本发明的锂二次电池包括使用具有由式LixMn2-y-zNiyMzO4表示的充电和放电组成的尖晶石结构的含锂锰复合氧化物作为活性材料的正极， 其中M为选自Fe，Co，Ti，V，Mg，Zn，Ga，Nb，Mo和Cu中的至少一种元素; 0.02 <= x <= 1.10，而x在充放电期间根据锂离子的闭塞和放电而改变; 0.25 <= y <= 0.60; 0

公开(公告)号：US06270547B1

公开(公告)日：2001-08-07

申请号：US09508696

申请日：2000-03-29

申请人： Teruhiko Imoto ,  Kikuko Kato ,  Yohei Hirota ,  Nobuyuki Higashiyama ,  Mamoru Kimoto ,  Shin Fujitani ,  Koji Nishio

发明人： Teruhiko Imoto ,  Kikuko Kato ,  Yohei Hirota ,  Nobuyuki Higashiyama ,  Mamoru Kimoto ,  Shin Fujitani ,  Koji Nishio

IPC分类号： B22F102

CPC分类号： H01M4/364 ,  B22F1/0003 ,  B22F2998/00 ,  B22F2999/00 ,  H01M4/242 ,  H01M4/383 ,  H01M10/345 ,  B22F1/0014 ,  B22F1/025

摘要： A hydrogen absorbing alloy electrode characterized in that the electrode consists mainly of a mixture of a first hydrogen absorbing alloy powder A formed on surfaces of particles thereof with a surface layer 22 containing metallic copper or a copper oxide and a second hydrogen absorbing alloy powder B formed on surfaces of particles thereof with a surface layer 24 containing metallic cobalt or a cobalt oxide. The copper-coated hydrogen absorbing alloy powder A affords improved electric conductivity, and the cobalt-coated hydrogen absorbing alloy powder B gives improved ability to absorb and desorb hydrogen, whereby the electrode is improved in different battery characteristics, such as cycle characteristics, high-rate discharge characteristics and infernal pressure characteristics, at the same time.

摘要翻译： 一种吸氢合金电极，其特征在于，电极主要由形成在其颗粒表面上的第一吸氢合金粉末A与形成有金属铜或氧化铜的表面层22和形成的第二吸氢合金粉末B的混合物组成 在其颗粒的表面上具有含有金属钴或氧化钴的表面层24。 铜包覆的吸氢合金粉末A提供了改善的导电性，并且钴包覆的吸氢合金粉末B提高了吸收和解吸氢的能力，由此电极在不同的电池特性如循环特性， 速率放电特性和地下压力特性，同时。

公开(公告)号：US6077626A

公开(公告)日：2000-06-20

申请号：US284860

申请日：1999-04-22

申请人： Mitsuzou Nogami ,  Mutsumi Yano ,  Mitsunori Tokuda ,  Syuichi Suzuki ,  Shin Fujitani ,  Reizo Maeda ,  Ikuo Yonezu ,  Koji Nishio

发明人： Mitsuzou Nogami ,  Mutsumi Yano ,  Mitsunori Tokuda ,  Syuichi Suzuki ,  Shin Fujitani ,  Reizo Maeda ,  Ikuo Yonezu ,  Koji Nishio

IPC分类号： H01M4/52 ,  H01M10/24 ,  H01M10/44 ,  H01M4/32

CPC分类号： H01M10/44 ,  H01M10/24 ,  H01M4/52 ,  Y02E60/124

摘要： In an alkali storage battery comprising a positive electrode, a negative electrode and an alkali electrolyte in a battery can, .alpha.-nickel hydroxide containing manganese is used as a cathode active material for the positive electrode, and the difference between a charging potential and an oxygen gas evolution potential at the positive electrode is increased, to suppress oxygen gas evolution during the charging, and the volume percentage of the cathode active material and an anode active material is set to not less than 75% in the battery can, to obtain a large battery capacity.

摘要翻译： PCT No.PCT / JP97 / 04774 Sec。 371日期1999年4月22日 102（e）1999年4月22日PCT 1997年12月22日PCT公布。 第WO98 / 31063号公报 日期：1998年7月16日在包含电池罐中的正极，负极和碱性电解质的碱性蓄电池中，使用含有锰的氢氧化镍含量作为正极的正极活性物质， 充电电位和正极的氧气放出电位增加，以抑制充电期间的氧气放出，并且阴极活性物质和负极活性物质的体积百分比在电池罐中设定为不小于75％ ，以获得较大的电池容量。

公开(公告)号：US5985057A

公开(公告)日：1999-11-16

申请号：US978271

申请日：1997-11-25

申请人： Teruhiko Imoto ,  Kikuko Kato ,  Yasushi Kuroda ,  Nobuyuki Higashiyama ,  Mamoru Kimoto ,  Shin Fujitani ,  Koji Nishio

发明人： Teruhiko Imoto ,  Kikuko Kato ,  Yasushi Kuroda ,  Nobuyuki Higashiyama ,  Mamoru Kimoto ,  Shin Fujitani ,  Koji Nishio

IPC分类号： H01M4/38 ,  H01M4/04

CPC分类号： H01M4/383 ,  Y10S420/90

摘要： In the present invention, a hydrogen absorbing alloy containing at least nickel, cobalt and aluminum, in which the sum a of the respective abundance ratios of cobalt atoms and aluminum atoms in a portion to a depth of 30 .ANG. from its surface and the sum b of the respective abundance ratios of cobalt atoms and aluminum atoms in a bulk region inside thereof satisfy conditions of a/b.gtoreq.1.30, or a hydrogen absorbing alloy containing at least nickel, cobalt, aluminum and manganese, in which the sum A of the respective abundance ratios of cobalt atoms, aluminum atoms and manganese atoms in a portion to a depth of 30 .ANG. from its surface and the sum B of the respective abundance ratios of cobalt atoms, aluminum atoms and manganese atoms in a bulk region inside thereof satisfy conditions A/B.gtoreq.1.20 is used for a hydrogen absorbing alloy electrode in an alkali secondary battery.

摘要翻译： 在本发明中，至少含有镍，钴和铝的吸氢合金，其中钴原子和铝原子的丰度比值与其表面的深度相差30 ANGSTROM的和总和b 在其内部的本体区域中的钴原子和铝原子的相应丰度比满足a / b> / = 1.30的条件，或至少含有镍，钴，铝和锰的吸氢合金，其中A 钴酸根，铝原子和锰原子在其表面的深度为30 ANGSTROM的部分中的丰度比和其内部的体区域中钴原子，铝原子和锰原子的丰度比的总和B满足 条件A / B> / = 1.20用于碱性二次电池中的吸氢合金电极。

公开(公告)号：US5876869A

公开(公告)日：1999-03-02

申请号：US759419

申请日：1996-12-05

申请人： Hiroshi Nakamura ,  Teruhiko Imoto ,  Toshikazu Yoshida ,  Shin Fujitani ,  Ikuo Yonezu

发明人： Hiroshi Nakamura ,  Teruhiko Imoto ,  Toshikazu Yoshida ,  Shin Fujitani ,  Ikuo Yonezu

IPC分类号： H01M4/38

CPC分类号： H01M4/383 ,  Y10S420/90

摘要： A hydrogen absorbing alloy electrode contains an alloy which comprises particles A of a first hydrogen absorbing alloy and particles B of a second hydrogen absorbing alloy of a composition different from the composition of the first alloy joined to the particles A, with a joint layer C formed at the resulting joint interfaces and having a new composition containing the component elements of the first and second alloys. In a specific embodiment, particles A of a first hydrogen absorbing alloy having a CaCu.sub.5 -type structure are joined to particles B of a second hydrogen absorbing alloy having a Zr--Ni Laves-phase structure. In another embodiment, particles A of a first hydrogen absorbing alloy having a CaCu.sub.5 -type structure are joined to particles B of a second hydrogen absorbing alloy having a CaCu.sub.5 -type structure and different form the first alloy in composition. In another embodiment, particles A of a first hydrogen absorbing alloy having a Zr--Ni Laves-phase structure are joined to particles B of a second hydrogen absorbing alloy having a Zr--Ni Laves-phase structure and different from the first alloy in composition.

摘要翻译： 吸氢合金电极含有包含第一吸氢合金的粒子A和不同于与粒子A接合的第一合金的组成的第二吸氢合金的粒子B的合金，形成有接合层C 在所得的接合界面处并具有包含第一和第二合金的组分元素的新组合物。 在具体实施方案中，具有CaCu5型结构的第一储氢合金的颗粒A与具有Zr-Ni Laves相结构的第二储氢合金的颗粒B接合。 在另一个实施方案中，具有CaCu5型结构的第一储氢合金的颗粒A与CaCu5型结构的第二储氢合金的颗粒B接合，并且组成不同于第一合金。 在另一个实施方案中，具有Zr-Ni Laves相结构的第一储氢合金的颗粒A与具有Zr-Ni Laves相结构且与组成不同的第一合金的第二储氢合金的颗粒B接合。

公开(公告)号：US5662729A

公开(公告)日：1997-09-02

申请号：US538371

申请日：1995-10-03

申请人： Koichi Nishimura ,  Takahiro Yonesaki ,  Shin Fujitani ,  Hiroshi Nakamura ,  Yumiko Nakamura ,  Ikuo Yonezu ,  Hiroshi Watanabe

发明人： Koichi Nishimura ,  Takahiro Yonesaki ,  Shin Fujitani ,  Hiroshi Nakamura ,  Yumiko Nakamura ,  Ikuo Yonezu ,  Hiroshi Watanabe

IPC分类号： B22F1/00 ,  B22F9/02 ,  C01B3/00 ,  C22C32/00 ,  F17C11/00 ,  H01M8/06 ,  C22C19/03

CPC分类号： H01M8/065 ,  B22F1/0014 ,  B22F1/0059 ,  B22F9/023 ,  C01B3/0005 ,  C01B3/0057 ,  C01B3/0078 ,  C01B3/0084 ,  C22C32/0094 ,  F17C11/005 ,  B22F2998/00 ,  Y02E60/321 ,  Y02E60/327 ,  Y02P20/129 ,  Y10S420/90

摘要： A shaped body of hydrogen absorbing alloy prepared by pressing a mixture of a hydrogen absorbing alloy powder A having a first particle-size distribution, a hydrogen absorbing alloy powder B having a second particle-size distribution and a binder C. The powder A is larger than the powder B in mean particle size. The mixture has a mean particle size ratio r.sub.B /r.sub.A of the powder B to the powder A, wherein r.sub.A and r.sub.B are the mean particle sizes of the respective powders A and B of at least 0.03 to not greater than 0.50. The hydrogen absorbing alloy of the powder B has a higher rate of progress of pulverization resulting from absorption and desorption of hydrogen than the hydrogen absorbing alloy of the powder A.

摘要翻译： 通过压制具有第一粒度分布的吸氢合金粉末A，具有第二粒度分布的吸氢合金粉末B和粘合剂C的混合物制备的吸氢合金成形体。粉末A较大 比平均粒径的粉末B。 混合物的粉末B与粉末A的平均粒径比rB / rA，其中rA和rB是各粉末A和B的平均粒度为至少0.03至不大于0.50。 粉末B的吸氢合金比粉末A的吸氢合金具有比吸收和解吸氢更高的粉碎进程。