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1. 发明授权

US06261720B1 Positive electrode active material for alkaline storage batteries 失效
标题翻译：碱性蓄电池用正极活性物质
公开(公告)号：US06261720B1
公开(公告)日：2001-07-17
申请号：US08887873
申请日：1997-07-03
申请人： Hirokazu Kimiya , Yoichi Izumi , Hiroyuki Sakamoto , Hidekatsu Izumi , Isao Matsumoto
发明人： Hirokazu Kimiya , Yoichi Izumi , Hiroyuki Sakamoto , Hidekatsu Izumi , Isao Matsumoto
IPC分类号： H01M452
CPC分类号： H01M4/383 , H01M4/32 , H01M4/48 , H01M4/52 , H01M10/345 , H01M2300/0014 , Y02E60/124
摘要： Disclosed is a high capacity positive active material for an alkaline storage battery comprising a nickel based multi-metals oxide, wherein the charge characteristic at high temperature is improved. This oxide has a large number of micropores in at least a surface layer. An average composition of the surface layer is different from that of the interior in that at least one element selected from the group consisting of Ca, Ti, Zn, Sr, Ba, Y, Cd, Co, Cr, Bi and lanthanoids, in addition to Ni, is contained in the surface layer, or in that the at least one element is contained at a concentration higher than that of the interior.
摘要翻译：公开了一种用于碱性蓄电池的高容量正极活性物质，其包括镍基多金属氧化物，其中高温下的电荷特性得到改善。该氧化物在至少表面层中具有大量的微孔。表面层的平均组成与内部的不同之处在于，选自Ca，Ti，Zn，Sr，Ba，Y，Cd，Co，Cr，Bi和镧系元素中的至少一种元素，另外至Ni含有在表面层中，或者以至少一种元素的含量高于内部的浓度。

2. 发明授权

US6042753A Active materials for the positive electrode in alkaline storage batteries 有权
标题翻译：碱性蓄电池正极活性物质
公开(公告)号：US6042753A
公开(公告)日：2000-03-28
申请号：US165131
申请日：1998-10-02
申请人： Hidekatsu Izumi , Hiroyuki Sakamoto , Hirokazu Kimiya , Yoichi Izumi , Isao Matsumoto
发明人： Hidekatsu Izumi , Hiroyuki Sakamoto , Hirokazu Kimiya , Yoichi Izumi , Isao Matsumoto
IPC分类号： H01M4/32 , H01M4/52 , H01B1/02 , H01B1/06
CPC分类号： H01M4/52 , H01M4/32
摘要： Active materials for positive electrodes in alkaline storage batteries excellent in capacity density, discharge voltage, and high rate discharge characteristics can be provided by coating the surface of the active material powder with an .alpha.-like Al-substituted Ni(OH).sub.2. Moreover, active materials excellent in capacity density, discharge voltage and high rate discharge characteristics, and besides in high-temperature charging efficiency and/or charge and discharge characteristics can be provided by dissolving in solid state and/or coprecipitated state at least one different metal element selected from Ca, Cr, Y, Ti and Co in the .alpha.-like Al-substituted Ni(OH).sub.2 layer. Furthermore, active materials excellent in capacity density, discharge voltage and high rate discharge characteristics, and besides in charge and discharge characteristics can be provided by coating with a Co oxide the surface of the active material powder coated with the .alpha.-like Al-substituted Ni(OH).sub.2.
摘要翻译：通过用α型Al取代的Ni（OH）2涂覆活性物质粉末的表面，可以提供容量密度，放电电压和高放电特性优异的碱性蓄电池中的正极活性物质。此外，可以通过将固体和/或共沉淀状态溶解在至少一种不同的金属中来提供容量密度，放电电压和高放电特性优异的活性材料，以及高温充电效率和/或充放电特性元素选自Ca，Cr，Y，Ti和Co中的α型Al取代的Ni（OH）2层。此外，可以通过用Co氧化物涂覆活性材料粉末的涂覆有α样Al取代的Ni的表面来提供容量密度，放电电压和高放电特性优异的活性材料，以及充放电特性（OH）2。

3. 发明授权

US06284215B1 Manufacturing method of active materials for the positive electrode in alkaline storage batteries 失效
标题翻译：碱性蓄电池正极活性物质的制造方法
公开(公告)号：US06284215B1
公开(公告)日：2001-09-04
申请号：US09560296
申请日：2000-04-27
申请人： Hiroyuki Sakamoto , Hidekatsu Izumi , Hirokazu Kimiya , Yoichi Izumi , Isao Matsumoto
发明人： Hiroyuki Sakamoto , Hidekatsu Izumi , Hirokazu Kimiya , Yoichi Izumi , Isao Matsumoto
IPC分类号： C01G4900
CPC分类号： H01M4/52
摘要： A process for producing positive electrode active material includes feeding an aqueous nickel salt solution, aqueous solutions of different kinds of metals, aqueous solution containing ammonium ions and aqueous alkali solution each independently and simultaneously into a reaction vessel such that the amount of alkali metal is 1.9-2.3 moles relative to 1 mole of the total amount of nickel and different kinds of metals and the amount of ammonium ions is 2 moles or more relative to 1 mole of the total amount of nickel and different kinds of metals, the pH in the vessel is 11-13, the temperature in the vessel is 30-60° C. and the average residence time is 20-50 hours. Further, in the process step of continuously growing the complex metal oxide particles from the salts of a plurality of metal elements through a plurality of successive reaction-deposition stages, the compositions and/or the kinds of the salts of metal element groups used for forming the oxide in the reaction-deposition stages adjacent to each other are made to be different from each other.
摘要翻译：制造正极活性物质的方法包括将镍盐水溶液，不同种类金属的水溶液，含有铵离子的水溶液和碱水溶液各自独立同时投入到反应容器中，使得碱金属的量为1.9 相对于1摩尔镍的总量和不同种类的金属，相对于1摩尔镍和不同种类的金属，铵离子的量为2摩尔或更大，相对于1摩尔的-2.3摩尔，容器中的pH 为11-13，容器中的温度为30-60℃，平均停留时间为20-50小时。此外，在通过多个连续反应沉积阶段从多个金属元素的盐连续生长复合金属氧化物颗粒的工艺步骤中，用于形成的金属元素基团的盐的组成和/或种类使彼此相邻的反应沉积阶段中的氧化物彼此不同。

4. 发明授权

US6129902A Manufacturing method of active materials for the positive electrode in alkaline storage batteries 失效
标题翻译：碱性蓄电池正极活性物质的制造方法
公开(公告)号：US6129902A
公开(公告)日：2000-10-10
申请号：US17029
申请日：1998-02-02
申请人： Hiroyuki Sakamoto , Hidekatsu Izumi , Hirokazu Kimiya , Yoichi Izumi , Isao Matsumoto
发明人： Hiroyuki Sakamoto , Hidekatsu Izumi , Hirokazu Kimiya , Yoichi Izumi , Isao Matsumoto
IPC分类号： H01M4/52 , C01G49/00 , H01M4/36
CPC分类号： H01M4/52
摘要： A process for producing positive electrode active material includes feeding an aqueous nickel salt solution, aqueous solutions of different kinds of metals, aqueous solution containing ammonium ions and aqueous alkali solution each independently and simultaneously into a reaction vessel such that the amount of alkali metal is 1.9-2.3 moles relative to 1 mole of the total amount of nickel and different kinds of metals and the amount of ammonium ions is 2 moles or more relative to 1 mole of the total amount of nickel and different kinds of metals, the pH in the vessel is 11-13, the temperature in the vessel is 30-60.degree. C. and the average residence time is 20-50 hours. Further, in the process step of continuously growing the complex metal oxide particles from the salts of a plurality of metal elements through a plurality of successive reaction-deposition stages, the compositions and/or the kinds of the salts of metal element groups used for forming the oxide in the reaction-deposition stages adjacent to each other are made to be different from each other.
摘要翻译：制造正极活性物质的方法包括将镍盐水溶液，不同种类金属的水溶液，含有铵离子的水溶液和碱水溶液各自独立同时投入到反应容器中，使得碱金属的量为1.9 相对于1摩尔镍的总量和不同种类的金属，相对于1摩尔镍和不同种类的金属，铵离子的量为2摩尔或更大，相对于1摩尔的-2.3摩尔，容器中的pH 为11-13，容器中的温度为30-60℃，平均停留时间为20-50小时。此外，在通过多个连续反应沉积阶段从多个金属元素的盐连续生长复合金属氧化物颗粒的工艺步骤中，用于形成的金属元素基团的盐的组成和/或种类使彼此相邻的反应沉积阶段中的氧化物彼此不同。

5. 发明授权

US6013390A Alkaline storage battery 失效
标题翻译：碱性蓄电池
公开(公告)号：US6013390A
公开(公告)日：2000-01-11
申请号：US925419
申请日：1997-09-08
申请人： Hirokazu Kimiya , Hidekatsu Izumi , Youichi Izumi , Hiroyuki Sakamoto , Akihiro Maeda , Isao Matsumoto
发明人： Hirokazu Kimiya , Hidekatsu Izumi , Youichi Izumi , Hiroyuki Sakamoto , Akihiro Maeda , Isao Matsumoto
IPC分类号： H01M4/32 , H01M4/52 , H01M4/62 , H01M10/24 , H01M10/26 , H01M10/30
CPC分类号： H01M4/32 , H01M4/52 , H01M2004/021 , H01M2010/4292
摘要： Disclosed is a sealed alkaline storage battery with an increased utilization of a positive electrode active material comprising a nickel oxide and with drastically enhanced capacity density. The positive electrode active material is a nickel based multi-metals oxide containing at least one element such as Mn which promotes the formation of .gamma. phase during charging. The ratio A.sub..gamma. /A.sub..beta. of the integrated intensity A.sub..gamma. of the diffraction peak at d=about 7 angstroms attributed to the .gamma. phase to the integrated intensity A.sub..gamma. of the diffraction peak at d=about 4.5 to 5.0 angstroms attributed to the .beta. phase of the oxide in the completely charged state is not smaller than 0.4. The electrolyte comprises an aqueous solution containing at least one of K.sup.+ and Na.sup.+ as a cationic component and the total concentration of the above-mentioned cationic component in the completely charged state is within a range between 4 and 12 mol/l.
摘要翻译：公开了一种密封的碱性蓄电池，其具有增加利用包含氧化镍的正极活性材料并且具有显着提高的容量密度的碱性蓄电池。正极活性物质是含有至少一种元素如Mn的镍基多金属氧化物，其在充电期间促进γ相的形成。在d =约7埃处的衍射峰的积分强度Aγ的比值A gamma / Aβ归因于在d =约4.5至5.0埃处归因于β的衍射峰的积分强度Aγ的伽马相完全充电状态的氧化物的相位不小于0.4。电解质包含含有作为阳离子成分的K +和Na +中的至少一种的水溶液，并且完全充电状态的上述阳离子成分的总浓度在4〜12mol / l的范围内。

6. 发明授权

US6156456A Positive electrode active material for alkaline storage battery 有权
标题翻译：碱性蓄电池用正极活性物质
公开(公告)号：US6156456A
公开(公告)日：2000-12-05
申请号：US129959
申请日：1998-08-06
申请人： Yoichi Izumi , Hiroyuki Sakamoto , Hidekatsu Izumi , Isao Matsumoto
发明人： Yoichi Izumi , Hiroyuki Sakamoto , Hidekatsu Izumi , Isao Matsumoto
IPC分类号： H01M4/52 , H01M4/32 , H01M4/50
CPC分类号： H01M4/52
摘要： A positive electrode active material, includes a .beta.-Ni(OH).sub.2 type nickel oxide (including hydroxide) containing Mn in the state of solid solution or coprecipitated state with an average valence of Mn being 3.3 valences or more and preferably with a ratio A2/A1 being 1.25 or less which is a ratio of integrated intensity A2 of a peak present at 2.theta.=18-21.degree. to integrated intensity A1 of a peak present at 2.theta.=37-40.degree. of powder X-ray diffraction using CuK.alpha. ray.
摘要翻译：正极活性物质包括Mn固溶或共沉淀状态的含有Mn的β-Ni（OH）2型氧化镍（包括氢氧化物），Mn的平均化合价为3.3价以上，优选为比例A2 / A1为1.25或更小，其为存在于2θ= 18-21°处的峰的积分强度A2与存在于2θ= 37-40°的峰的积分强度A1的比例，其中使用CuK的粉末X射线衍射阿尔法射线

7. 发明授权

US6153334A Active materials for the positive electrode in alkaline storage battery and the manufacturing method of them 有权
标题翻译：碱性蓄电池正极活性物质及其制备方法
公开(公告)号：US6153334A
公开(公告)日：2000-11-28
申请号：US129956
申请日：1998-08-06
申请人： Hiroyuki Sakamoto , Hidekatsu Izumi , Yoichi Izumi , Isao Matsumoto
发明人： Hiroyuki Sakamoto , Hidekatsu Izumi , Yoichi Izumi , Isao Matsumoto
IPC分类号： C01G53/00 , H01M4/52 , H01M4/32 , C01G1/00
CPC分类号： H01M4/52 , C01G53/00 , C01G53/006 , C01P2002/52 , C01P2002/72 , C01P2002/74 , C01P2004/84 , C01P2006/11 , C01P2006/14 , C01P2006/16 , C01P2006/40 , Y10T29/49108 , Y10T428/12007
摘要： The energy density of active materials for a positive electrode comprising an oxide containing Ni as a main metallic element is enhanced, and, moreover, a method for manufacturing them is provided. The oxide includes Ni as a main metallic element and contains at least Mn in the state of solid solution or eutectic mixture, wherein the average valence of Mn is 3.3 valences or more, the tap density is 1.7 g/cc or more, the half width of a peak at around 2.theta.=37-40.degree. of X-ray diffraction using CuK.alpha. ray is 1.2 deg or less, the ratio B/A of integrated intensity B of a peak at around 2.theta.=18-21.degree. to integrated intensity A of a peak at around 2.theta.=37-40.degree. is 1.25 or less, and the volume of pores having a pore radius of 40 .ANG. or less is 60% or more of the total pore volume. The oxide is obtained by growing in the state of keeping the dissolved oxygen concentration in the aqueous solution in the reaction vessel and then oxidizing the oxide.
摘要翻译：包含含有Ni作为主要金属元素的氧化物的正极活性物质的能量密度提高，而且还提供了制造它们的方法。氧化物包括Ni作为主要金属元素，并且至少包含处于固溶体或共晶混合物状态的Mn，其中Mn的平均价数为3.3以上，振实密度为1.7g / cc以上，半值宽度在使用CuKα射线的X射线衍射的2θ= 37-40°附近的峰为1.2度或更小，在2θ= 18-21度处的峰的积分强度B的比B / A与积分在大约2θ= 37-40°处的峰的强度A为1.25或更小，并且孔半径为40安培或更小的孔的体积为总孔体积的60％或更多。通过在保持反应容器中的水溶液中的溶解氧浓度，然后氧化氧化物的状态下生长而获得氧化物。

8. 发明授权

US06255019B1 Cathode active material for alkaline storage battery and cathode using the same 失效
标题翻译：用于碱性蓄电池和阴极的阴极活性材料使用它
公开(公告)号：US06255019B1
公开(公告)日：2001-07-03
申请号：US09260359
申请日：1999-03-01
申请人： Hiroyuki Sakamoto , Hidekatsu Izumi , Yoichi Izumi
发明人： Hiroyuki Sakamoto , Hidekatsu Izumi , Yoichi Izumi
IPC分类号： H01M432
CPC分类号： H01M4/52
摘要： The present invention discloses a cathode active material for an alkaline storage battery, which has a high energy density and a high cycle stability. The cathode active material includes particles of a solid solution or eutectic mixture nickel oxide, which has a crystal structure of &bgr;-Ni(OH)2 and contains at least Mn, where Mn has a mean valence of not less than 3.3, and a coating layer of a solid solution or eutectic mixture cobalt oxide formed on the surface of the particles, which contains at least one element of Ni and Mn.
摘要翻译：本发明公开了一种具有高能量密度和高循环稳定性的碱性蓄电池用正极活性物质。阴极活性材料包括具有β-Ni（OH）2晶体结构并且至少含有Mn的固溶体或共晶混合物氧化镍的颗粒，其中Mn的平均化合价不低于3.3，涂层在颗粒表面上形成的含有Ni和Mn的至少一种元素的固溶体或共晶混合物钴氧化物层。

9. 发明授权

US07335445B2 Positive electrode active material for alkaline storage battery, positive electrode and alkaline storage battery 有权
标题翻译：碱性蓄电池正极活性物质，正极和碱性蓄电池
公开(公告)号：US07335445B2
公开(公告)日：2008-02-26
申请号：US10313824
申请日：2002-12-06
申请人： Hiroyuki Sakamoto , Hidekatsu Izumi , Yoichi Izumi
发明人： Hiroyuki Sakamoto , Hidekatsu Izumi , Yoichi Izumi
IPC分类号： H01M4/00
CPC分类号： H01M4/366 , H01M4/02 , H01M4/32 , H01M4/38 , H01M4/46 , H01M4/52 , H01M2004/021 , H01M2004/028
摘要： A particulate positive electrode active material for an alkaline storage battery comprising: (a) solid solution nickel hydroxide particles containing at least magnesium and (b) a coating layer comprising cobalt oxide being formed on the surface of the solid solution nickel hydroxide particles. The amount of magnesium contained in the solid solution nickel hydroxide particles (a) is not smaller than 2 mol % and not larger than 15 mol % of the total amount of metal elements contained in the solid solution nickel hydroxide particles (a). BET specific surface area of the solid solution nickel hydroxide particles (a) measured by nitrogen gas adsorption is not smaller than 5 m2/g and not larger than 15 m2/g. The coating layer (b) further comprises at least one element Xs selected from the group consisting of yttrium, ytterbium, lutetium, titanium and calcium.
摘要翻译：一种用于碱性蓄电池的颗粒状正极活性物质，包括：（a）至少含有镁的固溶体氢氧化镍颗粒和（b）在固溶氢氧化镍颗粒的表面上形成包含氧化钴的涂层。固溶氢氧化镍颗粒（a）中所含的镁的量不小于固溶氢氧化镍颗粒（a）中包含的金属元素的总量的2mol％且不大于15mol％。通过氮气吸附测定的固溶氢氧化镍粒子（a）的BET比表面积为5m 2 / g以上且15μm以下/ G。涂层（b）还包含至少一种选自钇，镱，镥，钛和钙的元素Xs。

10. 发明授权

US06783892B2 Positive electrode active material for alkaline storage batteries, and positive electrode and alkaline storage battery using the same 有权
标题翻译：碱性蓄电池用正极活性物质，使用其的正极和碱性蓄电池
公开(公告)号：US06783892B2
公开(公告)日：2004-08-31
申请号：US10040184
申请日：2002-01-04
申请人： Hiroyuki Sakamoto , Hidekatsu Izumi , Toru Inagaki , Yoichi Izumi
发明人： Hiroyuki Sakamoto , Hidekatsu Izumi , Toru Inagaki , Yoichi Izumi
IPC分类号： H01M432
CPC分类号： H01M4/32 , H01M4/505 , H01M4/525
摘要： In order to provide a positive electrode active material capable of producing an alkaline storage battery having a high discharge voltage and an excellent discharge characteristic and also provide a positive electrode and alkaline storage battery containing thereof, a positive electrode active material for an alkaline storage battery comprising a nickel hydroxide powder is used, in which the nickel hydroxide is a solid solution containing magnesium, the magnesium content in the nickel hydroxide is 2 to 7 mol % of all metallic elements contained in the nickel hydroxide, the tap density of the nickel hydroxide is 1.9 g/cm3 or more, the half-width of a peak attributed to (101) face near 2&thgr;=37 to 40° in a powder X-ray diffraction pattern of the nickel hydroxide by CuK&agr; radiation is 0.7 to 1.2° and the sulfate ion content in the nickel hydroxide is 0.5 wt % or less.
摘要翻译：为了提供能够制造具有高放电电压和优异的放电特性的碱性蓄电池的正极活性物质，并且还提供含有它的正极和碱性蓄电池，用于碱性蓄电池的正极活性物质包括使用氢氧化镍粉末，其中氢氧化镍为含镁的固溶体，氢氧化镍中的镁含量为氢氧化镍中所含金属元素的2〜7摩尔％，氢氧化镍的振实密度为 1.9Kg / cm 3以上，通过CuKalpha辐射，在氢氧化镍的粉末X射线衍射图中，归属于（101）的（101）的峰的半值宽度接近2θ= 37〜40°为0.7〜1.2° 氢氧化镍中的硫酸根离子含量为0.5重量％以下。

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