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钼催化剂结构对其催化气相丙烯环氧化反应选择性的影响

Martin ?ustek , Bla?ej Horváth , Ivo Vávra , Miroslav Gál , Edmund Dobro?ka , Milan Hronec

催化学报 doi:10.1016/S1872-2067(15)60961-5

考察了Mo基催化剂上空气气相氧化丙烯反应。从无机的和有机金属Mo前驱体出发，采用浸渍法和物理气相沉积法(PVD)制备了不同类型的SiO2负载氧化钼和Mo-Bi复合氧化物催化剂。透射电镜结果证实，所制催化剂上环氧化反应活性与其纳米结构直接有关。催化剂中出现部分或完全结晶的氧化钼相，它们与载体SiO2的...

关键词: 环氧丙烷 , 环氧化 , 氧化钼 , 光学特性 , 电化学性质

Effect of Stoichiometry on Properties of Rare-Earth-Based Hydrogen Storage Alloy for Nickel-Metal Hydride Secondary Battery

Quan'an LI , Yungui CHEN , Mingjing TU

材料科学技术（英文）

Effect of stoichiometry on microstructures, electrochemical properties and PCT characteristics of the alloys Ml(Ni0.71Co0.15-Al0.06Mn0.08)x (Ml=Lanthanum-rich Michmetal, x=4.6-5.2) have been investigated. The lattice constants a, c and cell volumes of non-stoichiometric alloys are bigger than those ...

关键词: Hydrogen storage alloy , null , null , null , null

Study of lithium storage properties of the Sn-Ni alloys prepared by magnetic sputtering technology

Xianhua HOU

金属学报(英文版)

Nano-level Sn-Ni alloy thin-film electrode materials prepared by magnetic sputtering technology are characterized with X-ray diffraction (XRD), atom force microscopy (AFM) and scanning electron microscopy (SEM). The charge/discharge and cyclic voltammograms (CV) of the films electrodes are tested by...

关键词: Lithium ion battery , Sn-Ni 合金 , 电化学性能 lithium ion battery , Sn-Ni alloy , electrochemical property

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