采用自行设计制作的反应设备,研究了氢化燃烧合成法制备Mg2NiH4的工艺参数.主要探讨了合成反应动力学因素:压力、合成温度、氢化保温时间对产物纯度的影响.实验结果表明,在初始压力为1.5MPa下,合成条件分别为:合成温度808K,合成保温时间120min,氢化保温时间60min及合成温度850K,合成保温时间60min,氢化保温时间90min时均可制备出纯的Mg2NiH4.
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