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of BaCo0.7Fe0.2Nb0.1O3-δ (BCFNO) packed with Ru-based catalyst had high oxygen permeability and could be used for hydrogen production by partial oxidation of methane in coke oven gas (COG).At 1173 K,94% of methane conversion,85% of H2 selectivity,107% of CO selectivity,and as high as 15.4 mL·cm-2·min-1 of oxygen permeation flux were obtained.The BCFNO membrane itself had poor catalytic activity......
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Tantalum oxide barrier in magnetic tunnel junctionsYU Guanghua, REN Tingting, JI Wei, TENG Jiao, and ZHU Fengwu摘 要:<正> Tantalum as an insulating barrier can take the place of Al in magnetic tunnel junctions (MTJs). Ta barriers in MTJs were fabricated by natural oxidation. X-ray photoelectron spectroscopy (XPS) was used to characterize......
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Tantalum oxide barrier in magnetic tunnel junctionsGuanghua Yu, Tingting Ren, Wei Ji, Jiao Teng, and Fengwu ZhuMaterials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正> Tantalum as an insulating barrier can take the place of Al in magnetic tunnel junctions (MTJs). Ta barriers in MTJs were......
Hydrogen sorption properties of Ti-Zr hydride doped NaAlH4 ZHUANG Peng-hui(庄鹏辉), LIU Xiao-peng(刘晓鹏), LI Zhi-nian(李志念), WANG Shu-mao(王树茂), JIANG Li-jun(蒋利军), LI Hua-ling(李华玲) General Research Institute for Nonferrous Metals, Beijing 100088, China Received 15 July 2007; accepted 10 September 2007 Abstract: The as-prepared Ti-Zr hydride powder is used as dopant to improve hydrogen storage......
boundary and twin etc. Those microstructures play a beneficial role in reducing the total potential barrier that the hydrogen absorption or desorption reactions must overcome, hence improving the hydrogen...A comparison study of hydrogen storage properties of as-milled Sm5Mg41 alloy catalyzed by CoS2 and MoS2 nano-particlesZeming Yuan1,2,Bangwen Zhang1,Yanghuan Zhang2,3,Shihai Guo2,Xiaoping......
Establishment of hydrogen measurement system for magnesium alloy melt XU Si-xiang(许四祥), WU Shu-sen(吴树森), MAO You-wu(毛有武), AN Ping(安 萍) State Key Laboratory of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China Received 28 July 2006; accepted 15 September 2006 Abstract: The equations of hydrogen solubility in pure......
and desorption during the pulverization of the alloy in alkaline electrolyte. We also considered that the consequences of oxidation and corrosion layers created a barrier of diffusion of hydrogen... 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......
Trans. Nonferrous Met. Soc. China 28(2018) 1618-1625 Enhanced dehydrogenation kinetic properties and hydrogen storage reversibility of LiBH4 confined in activated charcoal He ZHOU1, Hai-zhen LIU2... was confined into activated charcoal (AC) by melt infiltration method (MI), and its effects on the hydrogen sorption properties were investigated. The N2 adsorption results reveal that melt infiltration method......