Cobalt oxyhydroxide, method for producing the same and alkaline storage battery using the same
    51.
    发明申请
    Cobalt oxyhydroxide, method for producing the same and alkaline storage battery using the same 审中-公开
    氢氧化钴,其制造方法和使用该氢氧化钴的碱性蓄电池

    公开(公告)号:US20050026039A1

    公开(公告)日:2005-02-03

    申请号:US10903286

    申请日:2004-07-30

    摘要: Novel cobalt oxyhydroxide is provided with which a positive electrode of an alkaline storage battery having conductivity higher than that of the conventional positive electrodes can be produced, and a method for producing the same is provided. Furthermore, an alkaline storage battery having a high capacity and that can be manufactured easily is provided. The cobalt oxyhydroxide is used for a positive electrode of an alkaline storage battery, in which a first peak corresponding to a crystal plane (003) of the cobalt oxyhydroxide and a second peak corresponding to a crystal plane (012) of the cobalt oxyhydroxide are present on a diffraction line obtained by X-ray diffraction measurement when employing copper Kα radiation as a radiation source, a half-power band width of the first peak is 0.6° or less, and a value obtained by dividing a strength of the first peak by a strength of the second peak is 10 or less.

    摘要翻译: 提供了新的羟基氢氧化钴,其中可以制备具有比常规正极的导电性高的碱性蓄电池的正极,并且提供了其制造方法。 此外,提供了容易制造且容易制造的碱性蓄电池。 羟基氧化钴用于碱性蓄电池的正极,其中存在对应于羟基氧化钴的晶体面(003)的第一峰和对应于羟基氧化钴的晶面(012)的第二峰 在使用铜Kalpha辐射作为辐射源的X射线衍射测定得到的衍射线上,第一峰的半功率带宽为0.6°以下,通过将第一峰的强度除以 第二峰的强度为10以下。

    Nickel metal hydride cells designed for high rate/low temperature performance
    55.
    发明授权
    Nickel metal hydride cells designed for high rate/low temperature performance 失效
    镍金属氢化物电池设计用于高速/低温性能

    公开(公告)号:US6287724B2

    公开(公告)日:2001-09-11

    申请号:US11866098

    申请日:1998-07-17

    摘要: A metal hydride rechargeable cell is provided that discharges during a test discharge at a rate of 8 C to 18 C and a cell temperature of 0° C. where the voltage remains above 0.2 volts during the half of the discharge curve. The cell comprises a negative electrode of hydrogen storage alloy material having a particle size volume distribution whose d(50) value does not exceed 2(2Dht)½, where Dh is the hydrogen diffusion coefficient for the alloy at 0° C. and t is a time period from about 200 to about 450 seconds. A method of manufacturing the cell of the present invention involves an activation protocol comprising at least one formation cycle, a heat treating step, and a cycling step. This method avoids unnecessary processing of the metal alloy material prior to incorporation into the negative electrode.

    摘要翻译: 提供了一种金属氢化物可再充电电池,其在放电过程中以8℃至18℃的速率放电,电池温度为0℃,其中电压在放电曲线的一半期间保持在0.2伏以上。 电池包括具有d(50)值不超过2(2Dht)1/2的粒度体积分布的储氢合金材料的负极,其中Dh是0℃时合金的氢扩散系数,t是 约200至约450秒的时间段。 制造本发明的电池的方法包括包含至少一个形成循环,热处理步骤和循环步骤的活化方案。 该方法避免了在并入负极之前不必要地处理金属合金材料。

    Nickel hydroxide positive electrode active material having a surface
layer containing a solid solution nickel hydroxide with manganese
incorporated therein
    56.
    发明授权
    Nickel hydroxide positive electrode active material having a surface layer containing a solid solution nickel hydroxide with manganese incorporated therein 失效
    氢氧化镍正极活性物质,其表面层含有含有锰的固溶体氢氧化镍

    公开(公告)号:US6066416A

    公开(公告)日:2000-05-23

    申请号:US120544

    申请日:1998-07-22

    IPC分类号: C01G53/00 H01M4/52 H01M4/32

    摘要: A positive electrode active material and a positive electrode for an alkaline storage battery are disclosed which exhibit high charge efficiency at a high temperature. The positive electrode active material comprises particles formed by agglomeration of crystals of nickel hydroxide active material, at least the surface layer of the particles containing a solid solution nickel hydroxide with manganese incorporated therein. The solid solution is present as crystals growing on the crystal surface of said nickel hydroxide active material and/or crystals independent of crystals of the nickel hydroxide active material. The content of manganese in the solid solution is at least one mole percent on the whole metal ions in the solid solution and not higher than 10 mole percent on the combined total amount of the metal ions in the nickel hydroxide active material and the solid solution. The positive electrode for an alkaline storage battery contains the above-mentioned active material and a compound of at least one element selected from the group consisting of Ca, Sr, Ba, Cu, Ag, Cd, Y and Yb.

    摘要翻译: 公开了一种在高温下表现出高充电效率的正极活性物质和碱性蓄电池用正极。 正极活性物质包括由氢氧化镍活性物质的晶体聚集形成的颗粒,至少含有其中掺入锰的固溶体氢氧化镍的颗粒的表面层。 固体溶液以不依赖于氢氧化镍活性物质晶体的氢氧化镍活性物质和/或晶体的晶体表面生长的晶体存在。 固溶体中的锰含量相对于固溶体中的全部金属离子为至少1摩尔%,并且不高于氢氧化镍活性物质和固溶体中的金属离子总量的10摩尔%。 碱性蓄电池用正极含有上述活性物质和选自Ca,Sr,Ba,Cu,Ag,Cd,Y和Yb中的至少一种元素的化合物。

    Conductive agent and non-sintered nickel electrode for alkaline storage
batteries
    57.
    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

    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。

    Nickel positive electrode and alkaline storage battery using the same
    58.
    发明授权
    Nickel positive electrode and alkaline storage battery using the same 失效
    镍正极和碱性蓄电池使用相同

    公开(公告)号:US06027834A

    公开(公告)日:2000-02-22

    申请号:US937797

    申请日:1997-09-25

    摘要: For providing an alkaline storage battery having a high energy density in a broader temperature range, the charge efficiency of a nickel positive electrode at the time of charging at high temperatures is enhanced by incorporating verbium and at least two elements selected from the group consisting of yttrium, and ytterbium in the form of a compound those and further at least one element selected from the group consisting of lanthanum, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, thulium, cerium, promethium, europium, and lutetium in the form of a compound into a positive electrode paste containing a major component of nickel oxide as an active material.

    摘要翻译: 为了在较宽的温度范围内提供具有高能量密度的碱性蓄电池,在高温充电时镍正极的充电效率通过掺入韭菜和至少两种选自钇 和镱以化合物的形式存在,并且还包含选自镧,镨,钕,钐,钆,铽,镝,钬,ium,铈,ium,铕和镥中的至少一种元素 化合物的形式成为含有作为活性物质的氧化镍的主要成分的正极浆料。

    Methods for doping and coating nickel hydroxide
    59.
    发明授权
    Methods for doping and coating nickel hydroxide 失效
    掺杂和涂覆氢氧化镍的方法

    公开(公告)号:US6015538A

    公开(公告)日:2000-01-18

    申请号:US98407

    申请日:1998-06-16

    摘要: The process precipitates additives onto nickel hydroxide seeds in an ammonia solution. Then introducing at least one metallic additive into the aqueous solution creates a slurry having a reducing potential. The additive is selected from the group consisting of aluminum, cadmium, cobalt, indium, iron, manganese and zinc. Introducing oxygen into the additive-containing slurry at a controlled rate maintains the reducing potential of the solution. At least one of the additives dissolves into the aqueous solution in excess of the slurry's solution solubility to precipitate the additive in the form of a hydroxide on the nickel hydroxide seeds.

    摘要翻译: 该方法在氨溶液中将添加剂沉淀在氢氧化镍晶种上。 然后将至少一种金属添加剂引入水溶液中产生具有还原电位的浆料。 添加剂选自铝,镉,钴,铟,铁,锰和锌。 以受控的速率将氧气引入含添加剂的浆料中维持溶液的还原电位。 至少一种添加剂溶解在水溶液中超过浆料的溶液溶解度,以将氢氧化物形式的添加剂沉淀在氢氧化镍晶种上。

    Nickel positive electrode for alkaline rechargeable batteries and nickel
metal hydride cells
    60.
    发明授权
    Nickel positive electrode for alkaline rechargeable batteries and nickel metal hydride cells 失效
    镍正极用于碱性可再充电电池和镍金属氢化物电池

    公开(公告)号:US5968684A

    公开(公告)日:1999-10-19

    申请号:US918185

    申请日:1997-08-21

    CPC分类号: H01M4/52 H01M4/32

    摘要: In the paste type nickel positive electrode prepared by filling pores of a metal nickel plaque made of three-dimensional high porous sheet, or coating both sides or one side of a plaque made of either perforated nickel sheet or nickel plated steel sheet, with a paste type active material mainly composed of nickel hydroxide, by adding particles of cobalt hydroxide having the specific surface area of at least 10 m.sup.2 /g, average particle size of 1.7 microns or more, and content of fine particles with particle size of 1.0 micron or less of 20% or less, the utilization of positive electrode active material is enhanced, and by using this nickel positive electrode, the alkaline rechargeable battery, in particular, the nickel-metal hydride alkaline battery is enhanced in capacity and extended in service life.

    摘要翻译: 在通过填充由三维高多孔片制成的金属镍斑块的孔隙或者由用多孔镍板或镀镍钢板制成的斑块的两面或一面涂敷糊状镍电极中, 主要由氢氧化镍组成的活性物质,通过加入比表面积至少为10m 2 / g,平均粒度为1.7微米以上的氢氧化钴颗粒和粒径为1.0微米以下的细颗粒的含量 20%以下,正极活性物质的利用率提高,通过使用该镍正极,碱性二次电池,特别是镍 - 氢化物碱性电池的容量增加,使用寿命延长。