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    Nickel Electrode For Alkaline Secondary Battery And A Method For The Production Of The Same, And Alkaline Secondary Battery
    8.
    发明申请
    Nickel Electrode For Alkaline Secondary Battery And A Method For The Production Of The Same, And Alkaline Secondary Battery 有权

    公开(公告)号：US20080166635A1

    公开(公告)日：2008-07-10

    申请号：US11793203

    申请日：2005-12-16

    申请人： Masaki Miyamoto ,  Mitsuhiro Kodama ,  Seijiro Ochiai ,  Manabu Kanemoto ,  Kaori Nishiyabu ,  Minoru Kuzuhara ,  Masaharu Watada

    发明人： Masaki Miyamoto ,  Mitsuhiro Kodama ,  Seijiro Ochiai ,  Manabu Kanemoto ,  Kaori Nishiyabu ,  Minoru Kuzuhara ,  Masaharu Watada

    IPC分类号： H01M4/00

    CPC分类号： H01M4/32 ,  H01M4/0404 ,  H01M4/049 ,  H01M4/362 ,  H01M4/366 ,  H01M4/38 ,  H01M4/382 ,  H01M4/52 ,  H01M4/62

    摘要： It provides a nickel electrode for an alkaline secondary battery and alkaline secondary battery that have a high discharge capacity, a small irreversible capacity, and also a superior cycle characteristic, high-rate discharge characteristics, and charge efficiency. Also, it provides a process for the production of a nickel electrode for an alkaline secondary battery that is superior in productivity.A nickel electrode for an alkaline secondary battery and alkaline secondary battery having the electrode with an electrically conductive base plate supporting an active material particle comprising a particle that mainly consists of a high-order nickel hydroxide whose oxidation number of nickel is higher than +2, or a complex particle with a surface layer that mainly consists of a high-order cobalt hydroxide compound whose oxidation number of cobalt is higher than +2 on the surface of the core layer particle that mainly consists of the high-order nickel hydroxide; wherein lithium (Li) is contained to be a solid solution in said active material particle in the converted amount of from 0.01 to 0.5 wt % as a simple. Also, several ways of method for the production of the nickel electrode for alkaline secondary battery are provided as (1) method to impregnate Li to the active material powder that mainly consists of high-order nickel hydroxide that is oxidized in advance, (2) method to perform oxidization of particle that mainly consists of nickel hydroxide and Li impregnation to the powder in one process, (3) method to support a paste that contains active material powder and lithium hydroxide solution to the electrically conductive base plate, (4) method to impregnate lithium hydroxide solution after making it the electrode plate, (5) method to support a paste that contains active material powder and lithium salt solution to the electrically conducive base plate, and (6) method to impregnate lithium hydroxide solution after making it the electrode plate.

    Metal hydride electrode, nickel electrode and nickel-hydrogen battery
    9.
    发明授权
    Metal hydride electrode, nickel electrode and nickel-hydrogen battery 失效
    金属氢化物电极，镍电极和镍氢电池

    公开(公告)号：US5506070A

    公开(公告)日：1996-04-09

    申请号：US370987

    申请日：1995-01-10

    申请人： Hiroyuki Mori ,  Keiichi Hasegawa ,  Masaharu Watada ,  Masahiko Oshitani

    发明人： Hiroyuki Mori ,  Keiichi Hasegawa ,  Masaharu Watada ,  Masahiko Oshitani

    IPC分类号： H01M4/24 ,  H01M4/32 ,  H01M4/38 ,  H01M4/52 ,  H01M10/34 ,  H01M10/24

    CPC分类号： H01M4/242 ,  H01M10/345 ,  H01M4/32 ,  H01M4/383 ,  H01M4/52 ,  Y10S420/90

    摘要： A metal hydride electrode, in which a metallic cobalt powder is mixed, within a mixing range of 3 to 20 weight percents, with a hydrogen absorbing alloy powder formed by substituting a part of Ni of alloy expressed by a rational formula of MmNi.sub.5 with Al and at least one kind of Fe, Cu, Co, Mn, and the mixed powder is loaded in a porous alkaline-proof metal body. An nickel electrode, in which a cobalt monoxide powder is mixed with an active material powder within a mixing range of 5 to 15 weight percents, the active material powder comprising zinc existing within a range of 2 to 8 weight percents, under a solid solution state in a crystal of nickel hydroxide powder assuming a spherical shape including an inner pore volume of 0.14 ml/g or less, and the mixed powder is loaded in a porous alkaline-proof metal body. A nickel-hydrogen battery, in-which the foregoing metal hydride electrode and the foregoing nickel electrode are wound with a separator put between them, aqueous solution of potassium hydroxide is filled therein and sealed, and they are maintained under standing condition for 5 hours or more.

    摘要翻译： 将金属钴粉末混合在3〜20重量％的混合范围内的金属氢化物电极与通过用Al合成式由MmNi5表示的合金的一部分Ni取代而形成的吸氢合金粉末，以及 将至少一种Fe，Cu，Co，Mn和混合粉末装载到多孔耐碱金属体中。 一种镍电极，其中一氧化钴粉末与活性物质粉末在5至15重量％的混合范围内混合，所述活性物质粉末包含存在于2至8重量％范围内的固体溶液状态 在含有内孔容积为0.14ml / g以下的球状的氢氧化镍粉末的结晶中，将该混合粉末装入多孔耐碱金属体。 将镍氢电池，其中将上述金属氢化物电极和上述镍电极缠绕在它们之间的隔板中，将氢氧化钾水溶液填充并密封，并将它们保持在静置条件下5小时，或 更多。

    Metal hydride electrode
    10.
    发明授权
    Metal hydride electrode 失效
    金属氢化物电极

    公开(公告)号：US5393616A

    公开(公告)日：1995-02-28

    申请号：US50025

    申请日：1993-04-28

    申请人： Hiroyuki Mori ,  Keiichi Hasegawa ,  Masaharu Watada ,  Masahiko Oshitani

    发明人： Hiroyuki Mori ,  Keiichi Hasegawa ,  Masaharu Watada ,  Masahiko Oshitani

    IPC分类号： H01M4/24 ,  H01M4/32 ,  H01M4/38 ,  H01M4/52 ,  H01M10/34

    CPC分类号： H01M4/242 ,  H01M10/345 ,  H01M4/32 ,  H01M4/383 ,  H01M4/52 ,  Y10S420/90

    摘要： A metal hydride electrode, in which a metallic cobalt powder is mixed, within a mixing range of 3 to 20 weight percents, with a hydrogen absorbing alloy powder formed by substituting a part of Ni of alloy expressed by a rational formula of MmNi.sub.5 with Al and at least one kind of Fe, Cu, Co, Mn, and the mixed powder is loaded in a porous alkaline-proof metal body. An nickel electrode, in which a cobalt monoxide powder is mixed with an active material powder within a mixing range of 5 to 15 weight percents, the active material powder comprising zinc existing within a range of 2 to 8 weight percents, under a solid solution state in a crystal of nickel hydroxide powder assuming a spherical shape including an inner pore volume of 0.14 ml/g or less, and the mixed powder is loaded in a porous alkaline-proof metal body. A nickel-hydrogen battery, in which the foregoing metal hydride electrode and the foregoing nickel electrode are wound with a separator put between them, aqueous solution of potassium hydroxide is filled therein and sealed, and they are maintained under standing condition for 5 hours or more.

    摘要翻译： PCT No.PCT / JP91 / 01445 Sec。 371日期：1993年4月28日 102（e）日期1993年4月28日PCT 1991年10月22日PCT PCT。 公开号WO92 / 08251 日期：1992年5月14日。一种金属氢化物电极，其中混合了金属钴粉末，混合范围为3〜20重量％，通过将由合理表示的合金的一部分Ni取代而形成的吸氢合金粉末 具有Al的MmNi5配方和至少一种Fe，Cu，Co，Mn，并将该混合粉末装入多孔耐碱金属体中。 一种镍电极，其中一氧化钴粉末与活性物质粉末在5至15重量％的混合范围内混合，所述活性物质粉末包含存在于2至8重量％范围内的固体溶液状态 在含有内孔体积为0.14ml / g以下的球状的氢氧化镍粉末的结晶中，将该混合粉末装入多孔耐碱金属体。 在其中将上述金属氢化物电极和上述镍电极缠绕在其之间的隔板的镍氢电池中填充氢氧化钾水溶液并密封，并将它们保持在静置条件下5小时以上 。