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中文摘要：
利用固相球磨和液相超声的方法合成了Mg H2/PMMA（聚甲基丙烯酸甲酯）复合储氢材料。利用扫描电镜（SEM）和X射线衍射（XRD）对其表面形貌及晶体结构进行了表征。77 K氮气吸附实验表明Mg H2/PMMA复合材料的比表面积随着PMMA复合量的增加而降低。通过热重分析（TG）对Mg H2/PMMA复合材料的脱氢过程进行了表征,结果显示复合材料的脱氢性能得到了提高,起始脱氢温度由420℃降低到120℃。利用热重-质谱（TG-MS）联用技术,对复合材料的脱氢产物进行了表征。
英文摘要：
MgH2/PMMA （polymethyl methacrylate） hydrogen storage composites were successfully synthesized by means of solid state ball-milling and liquid ultrasonic technique. The surface morphology and crystal structure were characterized by using SEM and XRD. N2 adsorption experiments at 77 K show that the BET special surface area of the MgHJPMMA composites decreases with the increase of compositing proportion of PMMA.TG results demonstrate the dehydrogenation performance of the MgHJPMMA composites improves, as its onset dehydrogenation temperature is reduced from 420 ℃ to 120 ℃. The dehydrogenation products of the composites were analyzed by TG-MS combined technique.
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