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Hydrogenation/Dehydrogenation Performances of the MgH2-WS2 Composites王家盛1,ZHANG Wei1,CHENG Ying1,KE Dandan1,韩树民1,21. College of Environmental and Chemical Engineering, Yanshan University2. State Key... the hydriding/dehydriding capacity of MgH2 reached only 0.979wt% and 2.319wt% respectively under identical conditions. The improvement of hydrogenation/dehydrogenation performances for the composite......
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Effect of lanthanum hydride on microstructures and hydrogen storage performances of 2LiNH2-MgH2 system朱惜林1,韩树民1,2,赵鑫1,李媛1,刘宝忠2,31. College of Environmental and Chemical Engineering,Yanshan... wt.% to 2.12 wt.% within 200 min by adding LaH3 into 2LiNH2-MgH2 system at 383 K. In the dehydrogenation of 2LiNH2-MgH2-0.05LaH3 composite, LaH2 transferred to LaN phase, which reversed to LaH2......
Effect of lanthanum hydride on microstructures and hydrogen storage performances of 2LiNH2-MgH2 system朱惜林1,韩树民1,2,赵鑫1,李媛1,刘宝忠2,31. College of Environmental and Chemical Engineering,Yanshan... wt.% to 2.12 wt.% within 200 min by adding LaH3 into 2LiNH2-MgH2 system at 383 K. In the dehydrogenation of 2LiNH2-MgH2-0.05LaH3 composite, LaH2 transferred to LaN phase, which reversed to LaH2......
An investigation on electrochemical performances of as-cast and annealed La0.8Mg0.2Ni3.3Co0.2Six (x = 0-0.2) alloy electrodes for Ni/MH battery applicationZHANG Yang-huan(张羊换)1, 2, CHEN Li-cui(陈莉翠)1... La0.8Mg0.2Ni3.3Co0.2Six (x=0-0.2) electrode alloys were prepared by casting and annealing. The influences of the additional silicon and the annealing treatment on the structure and electrochemical performances......
A comparison study of hydrogen storage performances of SmMg11Ni alloys prepared by melt spinning and ball millingYanghuan Zhang1,2,Meng Ji1,2,Zeming Yuan1,2,Yan Qi2,Xiaoping Dong4,Shihai Guo21. Key... to prepare nanostructured Mg and Mg-based alloys for improving their hydrogen storage performances. In this paper, two technologies, viz. melt spinning and ball milling, were employed to fabricate......
A comparison study of hydrogen storage performances of SmMg11Ni alloys prepared by melt spinning and ball millingYanghuan Zhang1,2,Meng Ji1,2,Zeming Yuan1,2,Yan Qi2,Xiaoping Dong4,Shihai Guo21. Key... to prepare nanostructured Mg and Mg-based alloys for improving their hydrogen storage performances. In this paper, two technologies, viz. melt spinning and ball milling, were employed to fabricate......
is found to follow the order:La Ni5-[(La,Mg)5Ni19[(La,Mg)2Ni7[(La,Mg)Ni3[(La,Mg)Ni2.HIA increases thermal stability of the metal hydrides and difficulty to dehydrogenation and leads to degradation of both......
,MgH2表面的结构稳定性和解氢热力学与表面H,Mg原子各自的配位数以及体系在费米能级附近的能隙密切相关,即较少的配位数与较窄的能隙对应着表面较低的结构稳定性与较佳的解氢热力学性能.关键词:MgH2;表面稳定性;解氢热力学;电子结构First-principles study on structural stability and dehydrogenation thermodynamics... structures of two different MgH2 (001) and (110) surfaces were calculated to investigate the surface stabilities, dehydrogenation thermodynamics and their intrinsic relations with the micro-atomic and micro......