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首页> 外文期刊>Journal of power sources >Effects of ball-milling conditions on dehydrogenation of Mg(NH_2)_2-MgH_2
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Effects of ball-milling conditions on dehydrogenation of Mg(NH_2)_2-MgH_2

机译：球磨条件对Mg（NH_2）_2-MgH_2脱氢的影响

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摘要

The dependence of chemical reaction between Mg(NH_2)_2 and MgH_2 on the ball-milling conditions has been investigated. While the decomposition of the component Mg(NH_2)_2 resulted in gaseous products consisting mainly of ammonia, the mixtures of Mg(NH_2)_2-MgH_2 prepared by ball-milling released H_2 at temperatures as low as 65 deg C. In addition, the increase in ball-milling time can effectively suppress the ammonia evolution during the thermal treatment. The conversion of the amide and hydride to imide-like structure was demonstrated by FTIR and XRD characterization. A total amount of 4.8 wt. percent of H_2 could be released from the investigated system.
机译：研究了Mg（NH_2）_2和MgH_2之间的化学反应对球磨条件的依赖性。虽然组分Mg（NH_2）_2的分解产生了主要由氨组成的气态产物，但通过球磨制备的Mg（NH_2）_2-MgH_2的混合物在低至65摄氏度的温度下释放了H_2。球磨时间的增加可以有效地抑制热处理过程中氨的释放。通过FTIR和XRD表征证明了酰胺和氢化物向酰亚胺样结构的转化。总量为4.8重量％。 H_2的百分比可以从研究的系统中释放出来。

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