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    Nickel-hydrogen storage battery
    1.
    发明授权
    Nickel-hydrogen storage battery 失效
    镍氢蓄电池

    公开(公告)号：US06472101B1

    公开(公告)日：2002-10-29

    申请号：US09509425

    申请日：2000-03-28

    申请人： Reizo Maeda ,  Katsuhiko Shinyama ,  Yoshinori Matsuura ,  Mitsuzo Nogami ,  Ikuo Yonezu ,  Koji Nishio

    发明人： Reizo Maeda ,  Katsuhiko Shinyama ,  Yoshinori Matsuura ,  Mitsuzo Nogami ,  Ikuo Yonezu ,  Koji Nishio

    IPC分类号： H01M458

    CPC分类号： H01M4/62 ,  C01B3/0031 ,  C01B3/0047 ,  C01G53/006 ,  C01G53/04 ,  C01P2004/61 ,  C01P2006/40 ,  H01M4/242 ,  H01M4/32 ,  H01M4/366 ,  H01M4/383 ,  H01M4/52 ,  H01M10/345 ,  Y02E60/124 ,  Y02E60/327

    摘要： In a nickel-metal hydride storage cell, deterioration of a cell capacity at high temperature and degradation of a cycle characteristic are suppressed. The nickel-metal hydride storage cell of the invention comprises in a cell case, a positive electrode comprising a positive electrode active material composed mainly of nickel hydroxide powder, a negative electrode comprising a negative electrode active material composed mainly of hydrogen-absorbing alloy powder, and a separator interposed between the positive and negative electrodes and impregnated with an electrolyte, the nickel-metal hydride storage cell characterized in that the negative electrode active material comprises a copper compound, the positive electrode comprises an aggregate of coated particles each in which a coating layer comprising a sodium-containing cobalt compound is formed on a surface of a nickel hydroxide particle, and the positive electrode active material is such that an oxide or hydroxide of one of bismuth, calcium, ytterbium, manganese, copper, scandium, and zirconium, is added to the aggregate of coated particles.

    摘要翻译： 在镍氢蓄电池中，抑制了高温下的电池容量的劣化和循环特性的劣化。 本发明的镍氢蓄电池在电池的情况下，包括主要由氢氧化镍粉末组成的正极活性物质的正极，负极包含主要由吸氢合金粉末组成的负极活性物质， 所述镍 - 金属氢化物蓄电池，其特征在于，所述负极活性物质包含铜化合物，所述正极包含涂覆颗粒的聚集体，每个涂覆颗粒中涂覆有涂层 在氢氧化镍颗粒的表面上形成含有钠的钴化合物的层，正极活性物质是使铋，钙，镱，锰，铜，钪和锆之一的氧化物或氢氧化物， 被添加到涂覆颗粒的聚集体中。

    Metal hydride alkaline storage cell
    2.
    发明授权
    Metal hydride alkaline storage cell 有权
    金属氢化物碱性蓄电池

    公开(公告)号：US06322925B1

    公开(公告)日：2001-11-27

    申请号：US09141140

    申请日：1998-08-27

    申请人： Yoshinori Matsuura ,  Mitsuzo Nogami ,  Reizo Maeda ,  Katsuhiko Shinyama ,  Ikuo Yonezu ,  Koji Nishio

    发明人： Yoshinori Matsuura ,  Mitsuzo Nogami ,  Reizo Maeda ,  Katsuhiko Shinyama ,  Ikuo Yonezu ,  Koji Nishio

    IPC分类号： H01M1024

    CPC分类号： H01M4/366 ,  H01M4/242 ,  H01M4/26 ,  H01M4/383 ,  H01M10/24 ,  H01M10/26 ,  H01M10/345 ,  Y02E60/124 ,  Y10S420/90 ,  Y10T29/49108 ,  Y10T29/49115

    摘要： A metal hydride alkaline storage cell of the present invention comprises a positive electrode, a separator impregnated with an electrolyte, and a negative electrode comprising hydrogen-absorbing alloy powder. On the surface of the hydrogen-absorbing alloy powder, there is formed a layer of hydrogen-absorbing alloy oxide, and on the layer of the oxide, there is dotted a catalytic metal formed in a granular state by adding a substance soluble in the electrolyte. The substance is selected from the group consisting of a metal fluoride, a metal iodide, and a metal sulfide. The proportion of the metal fluoride, the metal iodide, or the metal sulfide in adding is restricted within the range of from 0.1 to 2.5 wt. % based on the weight of hydrogen-absorbing alloy powder. When the layer of the hydrogen-absorbing alloy oxide is formed on the surface of the hydrogen-absorbing alloy powder, the reaction area on the surface of the hydrogen-absorbing alloy is increased due to the roughness of the layer. Consequently, the catalytic action of the metal is fully utilized by dotting a catalytic metal on the alloy surface, and thereby the inner pressure characteristic high-rate charge characteristic) of a cell is improved.

    摘要翻译： 本发明的金属氢化物碱性蓄电池包括正电极，浸渍有电解质的隔膜和包含吸氢合金粉末的负极。 在吸氢合金粉末的表面上形成有吸氢合金氧化物层，在氧化物层上，点燃形成颗粒状的催化金属，加入可溶于电解质的物质 。 该物质选自金属氟化物，金属碘化物和金属硫化物。 金属氟化物，金属碘化物或金属硫化物的添加量的比例限制在0.1〜2.5重量％的范围内。 基于吸氢合金粉末的重量％。 当在吸氢合金粉末的表面上形成吸氢合金氧化物层时，由于该层的粗糙度，吸氢合金表面上的反应区域增加。 因此，通过在合金表面上点燃催化金属，从而提高了电池的内部压力特性高速电荷特性，从而充分利用了金属的催化作用。

    Manufacturing method of metal hydride alkaline storage cell
    3.
    发明授权
    Manufacturing method of metal hydride alkaline storage cell 失效
    金属氢化物碱性蓄电池的制造方法

    公开(公告)号：US06902588B2

    公开(公告)日：2005-06-07

    申请号：US10786091

    申请日：2004-02-26

    申请人： Yoshinori Matsuura ,  Mitsuzo Nogami ,  Reizo Maeda ,  Katsuhiko Shinyama ,  Ikuo Yonezu ,  Koji Nishio

    发明人： Yoshinori Matsuura ,  Mitsuzo Nogami ,  Reizo Maeda ,  Katsuhiko Shinyama ,  Ikuo Yonezu ,  Koji Nishio

    IPC分类号： H01M4/24 ,  H01M4/26 ,  H01M4/36 ,  H01M4/38 ,  H01M10/24 ,  H01M10/30 ,  H01M4/58

    CPC分类号： H01M4/366 ,  H01M4/242 ,  H01M4/26 ,  H01M4/383 ,  H01M10/24 ,  H01M10/26 ,  H01M10/345 ,  Y02E60/124 ,  Y10S420/90 ,  Y10T29/49108 ,  Y10T29/49115

    摘要： A method of manufacturing a metal hydride alkaline storage cell includes a first step of preparing a negative electrode by applying a paste containing hydrogen absorbing alloy powder onto a substrate; and a second step of placing the negative electrode and a positive electrode into a cell can with disposing separator therebetween, and thereafter pouring an electrolyte into the cell can. Into the paste or the electrolyte, a catalytic metal compound that has a proportion of 0.1 to 2.5 wt. % based on the weight of the hydrogen-absorbing alloy powder and that is soluble in the electrolyte is added. Consequently, the catalytic action of the metal is fully utilized by this method that dots a catalytic metal or metal compound on the alloy surface, and thereby the inner pressure characteristic (high-rate charge characteristic) of a cell is improved.

    摘要翻译： 一种制造金属氢化物碱性蓄电池的方法包括：通过将含有吸氢合金粉末的浆料涂覆在基材上来制备负极的第一步骤; 以及将负极和正极放置在电池罐中的第二步骤，在其间设置隔板，然后将电解液注入电池罐中。 向糊状物或电解质中加入催化剂金属化合物，其比例为0.1〜2.5重量％ 加入基于吸氢合金粉末的重量且可溶于电解质的％。 因此，通过该方法充分利用金属的催化作用，使合金表面上的催化金属或金属化合物点，从而提高电池的内部压力特性（高速率电荷特性）。

    Non-sintered nickel electrode for alkaline storage battery
    4.
    发明授权
    Non-sintered nickel electrode for alkaline storage battery 失效
    碱性蓄电池用非烧结镍电极

    公开(公告)号：US6060195A

    公开(公告)日：2000-05-09

    申请号：US124916

    申请日：1998-07-30

    申请人： Katsuhiko Shinyama ,  Reizo Maeda ,  Yoshinori Matsuura ,  Mitsuzo Nogami ,  Ikuo Yonezu ,  Koji Nishio

    发明人： Katsuhiko Shinyama ,  Reizo Maeda ,  Yoshinori Matsuura ,  Mitsuzo Nogami ,  Ikuo Yonezu ,  Koji Nishio

    IPC分类号： B22F1/02 ,  H01M4/32 ,  H01M4/52 ,  H01M10/30 ,  H01M4/48

    CPC分类号： H01M4/32 ,  H01M4/244 ,  H01M4/246 ,  H01M4/38 ,  H01M4/52 ,  H01M4/36

    摘要： In the non-sintered nickel electrode for an alkaline storage battery according to the present invention, the active material powder is made up of composite particles, each comprising a nickel hydroxide-containing core particle and a shell layer coating the nickel hydroxide-containing core particle, the shell layer containing a bismuth-containing compound, or is made up of composite particles, each comprising a nickel hydroxide-containing core particle, an inner shell layer coating the nickel hydroxide-containing core particle and an outer shell layer coating the inner shell layer, the inner shell layer containing a bismuth-containing compound and the outer shell layer containing cobalt metal, cobalt monoxide, cobalt hydroxide, cobalt oxyhydroxide or a sodium-containing cobalt compound prepared by adding an aqueous solution of sodium hydroxide to cobalt metal, cobalt monoxide, cobalt hydroxide or cobalt oxyhydroxide to obtain a mixture and heat-treating the mixture in the presence of oxygen. Provided is a non-sintered nickel electrode for an alkaline storage battery, having a high active material utilization rate not only when charged at normal temperatures but also when charged at high temperatures, and having good charge-discharge cycle characteristics.

    摘要翻译： 在本发明的碱性蓄电池用非烧结镍电极中，活性物质粉末由复合粒子构成，其中含有含氢氧化镍的核心粒子和包覆含氢氧化镍的核心粒子的壳层 ，包含含铋化合物的壳层，或由复合颗粒组成，每个复合颗粒包含含氢氧化镍的核心颗粒，涂覆含氢氧化镍的核心颗粒的内壳层和涂覆内壳的外壳层 层，含有含铋化合物的内层层和含有钴金属，一氧化钴，氢氧化钴，氢氧化正钴或含钴钴化合物的外壳层，其通过将氢氧化钠水溶液加入钴金属，钴 一氧化碳，氢氧化钴或氢氧化正钴，得到混合物，并在牛的存在下热处理该混合物 y根 提供一种用于碱性蓄电池的非烧结镍电极，其不仅在常温下充电，而且在高温下充电时具有高活性物质利用率，并且具有良好的充放电循环特性。

    Metal hydride alkaline storage cell and manufacturing method thereof
    5.
    发明授权
    Metal hydride alkaline storage cell and manufacturing method thereof 失效
    金属氢化物碱性蓄电池及其制造方法

    公开(公告)号：US06852447B2

    公开(公告)日：2005-02-08

    申请号：US09923963

    申请日：2001-08-08

    申请人： Yoshinori Matsuura ,  Mitsuzo Nogami ,  Reizo Maeda ,  Katsuhiko Shinyama ,  Ikuo Yonezu ,  Koji Nishio

    发明人： Yoshinori Matsuura ,  Mitsuzo Nogami ,  Reizo Maeda ,  Katsuhiko Shinyama ,  Ikuo Yonezu ,  Koji Nishio

    IPC分类号： H01M4/24 ,  H01M4/26 ,  H01M4/36 ,  H01M4/38 ,  H01M10/24 ,  H01M10/30 ,  H01M4/58

    CPC分类号： H01M4/366 ,  H01M4/242 ,  H01M4/26 ,  H01M4/383 ,  H01M10/24 ,  H01M10/26 ,  H01M10/345 ,  Y02E60/124 ,  Y10S420/90 ,  Y10T29/49108 ,  Y10T29/49115

    摘要： A metal hydride alkaline storage cell of the present invention comprises a positive electrode, a separator impregnated with an electrolyte, and a negative electrode comprising hydrogen-absorbing alloy powder. On the surface of the hydrogen-absorbing alloy powder, there is formed a layer of hydrogen-absorbing alloy oxide, and on the layer of the oxide, there is dotted a catalytic metal or metal compound formed in a granular state by adding a substance soluble in the electrolyte. The substance is selected from the group consisting of a metal fluoride, a metal chloride, a metal iodide, and a metal sulfide. The proportion of the metal fluoride, the metal chloride, the metal iodide, or the metal sulfide in adding, is restricted within the range of from 0.1 to 2.5 wt. % based on the weight of hydrogen-absorbing alloy powder. When the layer of the hydrogen-absorbing alloy oxide is formed on the surface of the hydrogen-absorbing alloy powder, the reaction area on the surface of the hydrogen-absorbing alloy is increased due to the roughness of the layer. Consequently, the catalytic action of the metal is fully utilized by dotting a catalytic metal or metal compound on the alloy surface, and thereby the inner pressure characteristic (high-rate charge characteristic) of a cell is improved.

    摘要翻译： 本发明的金属氢化物碱性蓄电池包括正电极，浸渍有电解质的隔膜和包含吸氢合金粉末的负极。 在吸氢合金粉末的表面上形成有吸氢合金氧化物层，在氧化物层上点着形成颗粒状的催化金属或金属化合物，加入可溶解的物质 在电解液中。 该物质选自金属氟化物，金属氯化物，金属碘化物和金属硫化物。 金属氟化物，金属氯化物，金属碘化物或金属硫化物的添加量的比例限制在0.1〜2.5重量％的范围内。 基于吸氢合金粉末的重量％。 当在吸氢合金粉末的表面上形成吸氢合金氧化物层时，由于该层的粗糙度，吸氢合金表面上的反应区域增加。 因此，通过在合金表面上点燃催化金属或金属化合物来充分利用金属的催化作用，从而提高了电池的内部压力特性（高速率充电特性）。

    Conductive agent and non-sintered nickel electrode for alkaline storage batteries
    6.
    发明授权
    Conductive agent and non-sintered nickel electrode for alkaline storage batteries 失效
    用于碱性蓄电池的导电剂和非烧结镍电极

    公开(公告)号：US6057057A

    公开(公告)日：2000-05-02

    申请号：US796541

    申请日：1997-02-06

    申请人： Mutsumi Yano ,  Mitsuzo Nogami ,  Katsuhiko Shinyama ,  Masao Inoue ,  Hiroshi Watanabe ,  Reizo Maeda ,  Ikuo Yonezu ,  Koji Nishio

    发明人： Mutsumi Yano ,  Mitsuzo Nogami ,  Katsuhiko Shinyama ,  Masao Inoue ,  Hiroshi Watanabe ,  Reizo Maeda ,  Ikuo Yonezu ,  Koji Nishio

    IPC分类号： C01G51/04 ,  H01M4/32 ,  H01M4/52 ,  H01M4/62

    CPC分类号： H01M4/32 ,  C01G51/04 ,  H01M4/52 ,  C01P2004/61 ,  C01P2006/40 ,  C01P2006/80 ,  H01M4/624

    摘要： A conductive agent for use in alkaline storage batteries in accordance with one aspect of the present invention contains 0.1 to 10% by weight sodium. This sodium content results from cobalt or a cobalt compound, to which an aqueous solution of sodium hydroxide is added and heated to 50 to 200.degree. C. A non-sintered nickel electrode for use in alkaline storage batteries is also proposed. In this electrode, the aforesaid conductive agent in accordance with the present invention is added to a pulverulent active material consisting of grains of nickel hydroxide or grains mainly constituted by nickel hydroxide such that 1 to 20 parts by weight of the conductive agent is added to 100 parts by weight nickel hydroxide contained in the pulverulent active material. Another non-sintered nickel electrode for use in alkaline storage batteries is also proposed. In this electrode, an active material takes the form of composite particles consisting of grains of nickel hydroxide or grains mainly constituted by nickel hydroxide, each of which has a surface formed with an electric conduction layer consisting of a cobalt compound containing 0.1 to 10% by weight sodium.

    摘要翻译： 根据本发明的一个方面的用于碱性蓄电池的导电剂含有0.1至10重量％的钠。 该钠含量来自钴或钴化合物，向其中加入氢氧化钠水溶液并加热至50至200℃。还提出了用于碱性蓄电池的非烧结镍电极。 在该电极中，将根据本发明的上述导电剂添加到由氢氧化镍颗粒或主要由氢氧化镍构成的颗粒组成的粉状活性材料中，使得添加1至20重量份的导电剂至100 包含在粉状活性物质中的氢氧化镍重量份。 还提出了另一种用于碱性蓄电池的非烧结镍电极。 在该电极中，活性物质是以氢氧化镍粒子为主要成分的复合粒子，或以氢氧化镍为主要成分的粒子构成的复合粒子，其表面形成有导电层，该导电层由含有0.1〜10％ 重量钠。