首页> 外文会议>NATO advanced study conference on new trends in intercalation compounds for energy storage >SYNTHESIS, STRUCTURAL AND THERMODYNAMICAL CHARACTERIZATION OF Mm(NiCo)_(5-x)Al_x ALLOYS
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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:使用感应熔化法合成了组合物Mm(Nico)_(5-x)Al_x(X = 0.3,0.35,0.4,0.5和1)的AB_5型合金的样品。 X射线分析表明它们具有六边形Cacu_5型晶格。发现单位细胞体积随着Al含量的增加而增加。解吸等温物表明,平衡压力随着Al含量的增加和温度降低而降低。用MM(Nico)_(4.6)Al_(0.4),获得低于1巴的平衡压力,方便的MH-电极施用。所进行的研究允许我们合成具有这种结构和热力学性质的合金,适合于碱性电池中的金属氢化物电极。

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