SYNTHESIS, STRUCTURAL AND THERMODYNAMICAL CHARACTERIZATION OF Mm(NiCo)_(5-x)Al_x ALLOYS

机译：Mm（NiCo）_（5-x）Al_x合金的合成，结构和热力学表征

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Samples of AB_5-type alloys with composition Mm(NiCo)_(5-x)Al_x (x = 0.3, 0.35, 0.4, 0.5 and 1) were synthesized using induction melting method. The X-ray analysis indicates that they posses hexagonal CaCu_5 -type crystal lattice. It was found that the unit cell volume increases with an increase of Al content. The desorption isotherms show that the equilibrium pressure decreases with an increase of Al content and a decrease of temperature. An equilibrium pressure below 1 bar, convenient for MH-electrode application, was obtained with Mm(NiCo)_(4.6)Al_(0.4).alloy. The performed investigations allow us to synthesize alloys with such structure and thermodynamic property suitable for application as metal hydride electrodes in alkaline batteries.

机译：采用感应熔炼法合成了成分为Mm（NiCo）_（5-x）Al_x（x = 0.3、0.35、0.4、0.5和1）的AB_5型合金样品。 X射线分析表明它们具有六方CaCu_5型晶格。已经发现，晶胞体积随着Al含量的增加而增加。解吸等温线表明，平衡压力随Al含量的增加和温度的降低而降低。使用Mm（NiCo）_（4.6）Al_（0.4）。合金获得了低于1 bar的平衡压力，此压力便于MH电极应用。进行的研究使我们能够合成具有这样的结构和热力学性质的合金，这些合金适合用作碱性电池中的金属氢化物电极。

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《NATO Advanced Study Institute on New Trends in Intercalation Compounds for Energy Storage, Sep 22-Oct 2, 2001, Sozopol, Bulgaria》|2001年|p.601-606|共6页
会议地点 Sozopol(BG)
作者
S. BLIZNAKOV; E. LEFTEROVA; M. MITOV; L. BOZUKOV; A. POPOV; I. DRAGIEVA;
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Central Laboratory of Electrochemical Power Sources, Bulgarian Academy of Sciences, Bulgaria;

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正文语种 eng
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SYNTHESIS, STRUCTURAL AND THERMODYNAMICAL CHARACTERIZATION OF Mm(NiCo)_(5-x)Al_x ALLOYS

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