采用机械合金化法制备了Mg-Ni合金粉末,用XRD及SEM等手段分析表征了球磨过程中的相和微观结构变化,测定了纳米Mg-Ni合金吸/放氢过程的热力学性能.结果表明,Mg-Ni合金粉末的尺寸在10 nm～20 nm之间;P-C等温线存在明显的坪曲线,坪宽较长.纳米Mg-Ni合金有较好的储氢性能,具有很好的工程应用价值.
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