文献详情
Catalytic effect of (Ti0.85Zr0.15)(1.05)Mn1.2Cr0.6V0.1Cu0.1 on hydrogen storage properties of ultrafine magnesium particles
文献类型期刊
作者Liu, Peng[1];Ma, Xiujuan[2];Xie, Xiubo[3];Li, Xingguo[4];Liu, Tong[5]
机构
通讯作者Liu, T (reprint author), Beihang Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Aerosp Mat & Performance, 37 Xueyuan Rd, Beijing 100191, Peoples R China.
2017
期刊名称RSC ADVANCES影响因子和分区
来源信息年:2017  卷:7  期:55  页码范围:34538-34547  
7
期刊信息RSC ADVANCES影响因子和分区  ISSN:2046-2069
55
页码范围34538-34547
增刊正刊
摘要In order to improve hydrogen storage properties of magnesium, (Ti0.85Zr0.15)(1.05)Mn1.2Cr0.6V0.1Cu0.1 (TiMn2 type) alloy particles have been added into magnesium ultrafine particles produced by a hydrogen plasma-metal reaction approach by ball milling. The (Ti0.85Zr0.15)(1.05)Mn1.2Cr0.6V0.1Cu0.1 particles are uniformly dispersed on the surface of magnesium. The addition of (Ti0.85Zr0.15)(1.05)Mn1.2Cr0.6V0.1Cu0.1 alloy improves both the hydrogen storage capacity and kinetics of magnesium. The magnesium-5 wt% (Ti0.85Zr0.15)(1.05)Mn1.2Cr0.6V0.1Cu0.1 composite can absorb 6.00 wt% H-2 within 60 minutes at 523 K and desorb 6.00 wt% H-2 within 15 minutes at 623 K. With the increase of (Ti0.85Zr0.15)(1.05)Mn1.2Cr0.6V0.1Cu0.1, the hydrogenation and dehydrogenation kinetics of the composites improve. The apparent activation energies of magnesium-x wt% (Ti0.85Zr0.15)(1.05)Mn1.2Cr0.6V0.1Cu0.1 (x = 5, 10, 30) composites for hydrogen absorption and desorption are 67.52, 65.80, 60.99 kJ mol(-1) and 121.37, 116.68, 77.25 kJ mol(-1), respectively. The enhanced hydrogen storage capacities and kinetics can be attributed to the effective catalysis of the (Ti0.85Zr0.15)(1.05)Mn1.2Cr0.6V0.1Cu0.1 alloy and ultrafine size of magnesium particles.
收录情况SCIE(WOS:000405485700029)  EI(20172903953815)  
所属部门材料科学与工程学院
DOI10.1039/c7ra05461k
百度学术Catalytic effect of (Ti0.85Zr0.15)(1.05)Mn1.2Cr0.6V0.1Cu0.1 on hydrogen storage properties of ultrafine magnesium particles
语言外文
ISSN2046-2069
被引频次11
人气指数93
浏览次数93
基金National Natural Science Foundation of China and Baosteel Group Corporation [U1560106]; Aeronautical Science Foundation of China [2016ZF51050]; Scientific Research Foundation for the Returned Overseas Chinese Scholars (State Education Ministry)
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