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material; doping; dehydrogenation property; first-principle 镁基氢化物(MgH2)因具有储氢容量高(7.6%,质量分数),轻质,价廉,资源丰富等优点而备受国内外学者的广泛关注,其储氢密度满足国际能源署对于车用氢能源系统提出的要求(储氢量≥5%),被认为是一种极具发展潜力的车载储氢材料[1].然而,MgH2的实际应用仍面临一些障碍,其中,释氢温度偏高与释...:TG139.7 文献标志码:A Influence and micro-mechanism of carbon materials doping on dehydrogenation properties of magnesium based hydride ZHANG Jian1, 2, ZHU Pu1, MAO Cong1, ZHOU......
property of Mg2FeH6. Especially, TiMn2 exhibits prominent effect on enhancing the dehydrogenation kinetics of Mg2FeH6. Moreover, the activation energy of TiMn2-doped Mg2FeH6 calculated by Kissinger equation... H2. Here, the dehydrogenation performance was employed to replace the hydrogen absorption property given that little change in temperature could bring about huge variation in pressure under high......
that dehydrogenation ΔH for Zr1-xHfxCo alloy decreases with increasing Hf content but increases with increasing Sc content for Zr1-xScxCo alloy, which are coincident with their dehydrogenation property... for dehydrogenation property of Zr1-xScxCo alloy. Fig.5 XRD patterns for of Zr1-xScxCo as-prepared (a) and after hydrogen absorption (b) at room temperature Fig.6 Dehydrogenation PCT curves......
Influence of Nano-TiO2 on Property of Dacrotized Coating YANG Qiang1,WU Zhi-yong1,GAO Fu-quan1 (1.China Academy of Engineering Physics, Mianyang 621900, Sichuan, China) 摘要:The influence of nano-TiO2 to the property of Dacrotized coating was studied in this paper. The complex film obtained by Dacrotized coating modified by TiO2with particle size 30 ~50 nm has no obvious change in appearance......
Dehydrogenation characteristics of ZrC-doped LiAlH4 with different mixing conditionsZi-Liang Li1,Fu-Qiang Zhai2,Hao-Chen Qiu3,Qi Wan1,Ping Li1,Xuan-Hui Qu11. State Key Laboratory for Advanced Metals... Institute of Energy and Materials Technology,General Research Institute of Nonferrous Metals摘 要:The catalytic effects of ZrC powder on the dehydrogenation......
,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......
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Enhancement of Ti-Cr-V BCC alloys on the dehydrogenation kinetics of Li-Mg-N-H hydrogen storage materialsWANG Jingchuan,LI Zhinian,LI Hualing,MI Jing,Lü Fang,WANG Shumao,LIU Xiaopeng,and JIANG Lijun... technology test.The results show that the Ti3Cr3V4 BCC alloy hydride/Li-Mg-N-H composite has good reversible hydrogen storage properties.The dehydrogenation kinetics of the Li-Mg-N-H system can be greatly......
Improving dehydrogenation properties of Mg/Nb composite films via tuning Nb distributionsWen-Cheng Huang,Jun Yuan,Jin-Guo Zhang,Jiang-Wen Liu,Hui Wang,Liu-Zhang Ouyang,Mei-Qin Zeng,Min ZhuKey...">To investigate the effect of Nb on the dehydrogenation properties of Mg-Nb composite films,Mg/Nb eightlayer film and Mg-10 at% Nb alloy film with the similar Mgto-Nb atomic ratio were prepared by magnetron......
Enhancement of cerium and hydrogen storage property of a low-cost Ti-V based BCC alloy prepared by commercial ferrovanadium米菁,吕芳,刘晓鹏,蒋利军,李志念,王树茂Energy Material and Technology Research Department.... The hydrogenation capacity of Ti27.25Cr28.05V37.25Fe7.45Ce1.0 alloy prepared by commercial ferrovanadium was 3.56 wt.% measured at 298 K. The dehydrogenation capacity was 2.25 wt.% and 2.54 wt.% measured......
