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文章编号:1004-0609(2013)04-1086-06 室温下多孔Mg(OH)2薄膜的电沉积制备及表征 吕 莹,张治安,赖延清,刘业翔 (中南大学 冶金科学与工程学院,长沙 410083) 摘 要:以SnO2导电玻璃为阴极,使用循环伏安法及计时电流法研究0.1 mol/L硝酸镁水溶液体系中氢氧化镁的电沉积过程...低电压下生成的是多孔的薄膜.ZOU 等[16-17]以ITO玻璃为基底从硝酸镁溶液中制备了氢氧化镁薄膜,并考察了醋酸钠和水溶性离子对薄膜的 影响. 为了将电沉积Mg(OH)2薄膜应用于光电器件等领域,薄膜的均匀性和光学性质十分重要.为此,本文作者以SnO2导电玻璃为阴极,在0.1 mol/L的硝酸镁水溶液体系中制备了多孔氢氧化镁,使用循环伏安法及计时电流法研究了......
Gaseous and Electrochemical Hydrogen Storage Kinetics of As-quenched Nanocrystalline and Amorphous Mg2Ni-type Alloys张羊换1,2,YANG Tai1,2,SHANG Hongwei1,2,ZHANG Guofang1,2,CAI Ying1,ZHAO Dongliang21... technology. The structures of the as-cast and quenched alloys were characterized by XRD, SEM and HRTEM. The gaseous hydrogen storage kinetics of the alloys was measured using an automatically controlled......
and increases corrosion of the Mg anodes [11-14]. In order to solve these problems, some alloying elements with high over-potential of hydrogen revolution and large electrochemical activity, such as In, Zn, Mg...-qing, ZHAO Li-hong, ZHOU Ling-ling, WANG Bin, JI Cheng-nian, LAN Bo. Study on Mg alloy anode material for seawater battery [J]. Bettery Technology, 2007, 131(5): 402-405. [21] SHAYEB H A, WAHAB F M......
P, RENTSCH S, SUNDAN P, MAURON P H, EMMENEGGER C H. LiBH4 a new hydrogen storage material [J]. Journal of Power Sources, 2003, 118(1-2): 1-7. [3] ORIMO S, NAKAMORI Y, KITAHARA G, MIWA K, OHBA N...] PINKERTON F, MEYER M S, MEISNER G P, BALOGH M P, VAJO J J. Phase boundaries and reversibility of LiBH4/MgH2 hydrogen storage material [J]. The Journal of Physical Chemistry C, 2007, 111(35): 12881-12885......
of La0.7Mg0.3Al0.3Mn0.4Co0.5-xSnxNi3.8 (x=0-0.5) alloys at 30 °C (H/M represents the hydrogen storage in a metal alloy) These support that the optimized content of LaNi5 phase and (La,Mg)Ni3 phase improved the hydrogen storage... March 2014 Abstract: The effects of substitution of Sn for Co on the microstructure, hydrogen storage and electrochemical discharge capacity of La0.7Mg0.3Al0.3Mn0.4Co0.5-xSnxNi3.8 (x=0, 0.1, 0.2, 0.3......
; hydrogen storage property 镁基储氢合金具有质量轻,储氢量高,资源丰富等优点,在新能源开发与应用领域前景广阔.但这类合金吸放氢温度较高,吸放氢速度较慢以及循环稳定性差,因而严重影响了它的实际应用[1-2...[J]. 功能材料, 2008, 39(3): 424-425.HU Xiu-ying, ZHOU Shi-xue, WANG Zhen-hua, MA Huai-ying, LEI Gui-qin. Effect of ball milling time on the structure and properties of Mg-C composites for hydrogen storage......
,H原子较难释放;而与Mg近邻的H原子形成空位的难度减小,H原子容易释放;Fe合金化MgH2体系解氢性能增强的主要原因在于Mg-H之间存在较弱的成键作用. REFERENCES [1] ZALUSKA A, ZALUSKI L, STR?M-OLSEN J O. Nanocrystalline magnesium for hydrogen storage[J]. J Alloys Comp, 1999, 288(1/2): 217?225. [2] JURCZYK M, SMARDZ L, OKONSKA I, JANKOWSKA E, NOWAK M, SMARDZ K. Nanoscale Mg-based materials for hydrogen storage[J]. Int J Hydrogen Energy, 2008, 33(1): 374?380. [3......
Evolution of Hydrogen Storage Alloys Prepared by Special Methods JING Hai1,Li Chengdong1,Zhang Ximin1,Xu Jun1,Guo Hong1 (1.National Engineering and Technology Research Center for Non-Ferrous Metals Composites, General Research Institute for Non-Ferrous Metals, Beijing 100088, China) Abstract:Microstructure characteristics and electrochemical properties of hydrogen storage alloys prepared......
Structure and electrochemical hydrogen storage characteristics of Ce-Mg-Ni-based alloys synthesized by mechanical milling张羊换1,2,冯佃臣1,3,孙昊1,卜文刚2,祁焱2,郭世海21. College of Material and Metallurgy,Inner... and promote the electrochemical hydrogen storage performances of CeMg12-type alloys.Analyzing the structural features of the alloys provided a mechanism for ameliorating the electrochemical hydrogen storage......