Hydrogen-absorbing alloy electrode, alkaline storage battery, and method of manufacturing the alkaline storage battery
    51.
    发明申请
    Hydrogen-absorbing alloy electrode, alkaline storage battery, and method of manufacturing the alkaline storage battery 有权
    吸氢合金电极,碱性蓄电池以及碱性蓄电池的制造方法

    公开(公告)号:US20070105018A1

    公开(公告)日:2007-05-10

    申请号:US11526608

    申请日:2006-09-26

    Abstract: Low temperature discharge capability and high rate discharge capability are improved in an alkaline storage battery that uses as its negative electrode a hydrogen-absorbing alloy electrode employing hydrogen-absorbing alloy particles containing at least nickel and a rare-earth element. An alkaline storage battery uses as the negative electrode a hydrogen-absorbing alloy electrode employing hydrogen-absorbing alloy particles containing at least nickel and a rare-earth element. The hydrogen-absorbing alloy particles have a surface layer and an interior portion, the surface layer having a nickel content greater than that of the interior portion, and nickel particles having a particle size within a range of from 10 nm to 50 nm are present in the surface layer.

    Abstract translation: 在使用至少含有镍和稀土元素的吸氢合金颗粒的吸氢合金电极的碱性蓄电池中,低温放电能力和高放电能力得到改善。 碱性蓄电池使用含有至少含有镍和稀土元素的吸氢合金粒子的吸氢合金电极作为负极。 吸氢合金颗粒具有表面层和内部部分,表面层的镍含量大于内部部分的镍含量,并且具有10nm至50nm范围内的粒度的镍颗粒存在于 表层。

    Hydrogen-absorbing alloy for alkaline storage batteries and alkaline storage battery
    52.
    发明申请
    Hydrogen-absorbing alloy for alkaline storage batteries and alkaline storage battery 审中-公开
    碱性蓄电池和碱性蓄电池用吸氢合金

    公开(公告)号:US20060199076A1

    公开(公告)日:2006-09-07

    申请号:US11356448

    申请日:2006-02-17

    Abstract: An alkaline storage battery provided with a positive electrode (1), a negative electrode (2), and an alkaline electrolyte solution employs a hydrogen-absorbing alloy containing: at least a rare-earth element, magnesium, nickel, and aluminum, the hydrogen-absorbing alloy being represented by the general formula Ln1-xMgxNiy-a-bAlaMb, where: Ln is at least one element selected from the group consisting of Ti, Zr, and a rare-earth element including Y; M is at least one element selected from the group consisting of V, Nb, Ta, Cr, Mo, Mn, Fe, Co, Ga, Zn, Sn, In, Cu, Si, P, B, and Zr; 0.05≦x≦0.35; 0.05≦a≦0.30; 0≦b≦0.5; 2.8≦y-a-b≦3.9; and the hydrogen-absorbing alloy having a main phase composed of a uniform metal phase with a uniform composition that has an area percentage of 60% or greater.

    Abstract translation: 设置有正极(1),负极(2)和碱性电解液的碱性蓄电池使用含有至少稀土元素镁,镍和铝的吸氢合金,氢 - 吸收合金由通式Ln表示1-x M x Ni x Y a N a N a > b <,其中:Ln是选自由Ti,Zr和包括Y的稀土元素组成的组中的至少一种元素; M是选自V,Nb,Ta,Cr,Mo,Mn,Fe,Co,Ga,Zn,Sn,In,Cu,Si,P,B和Zr中的至少一种元素; 0.05 <= x <= 0.35; 0.05 <= a <= 0.30; 0 <= b <= 0.5; 2.8 <= y-a-b <= 3.9; 以及具有均匀金属相的主相的吸氢合金,其具有面积百分比为60%以上的均匀组成。

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