Ultrafine Ru nanoparticles embedded in SiO2 nanospheres: Highly efficient catalysts for hydrolytic dehydrogenation of ammonia borane
文献类型：期刊论文
| 作者 | Yao, QL; Shi, WM; Feng, G; Lu, ZH; Zhang, XL; Tao, DJ; Kong, DJ; Chen, XS;卢章辉 |
| 刊名 | JOURNAL OF POWER SOURCES
 |
| 出版日期 | 2014 |
| 卷号 | 257页码:293-299 |
| 关键词 | Core shell Ammonia borane Hydrogen generation Hydrolysis |
| 英文摘要 | Ru@SiO2 core shell structured nanospheres have been prepared via a one-pot synthetic route in a NP-5/cyclohexane reverse micelle system and characterized by XRD, SEM, TEM, N-2 adsorption-desorption, and H-2 temperature programmed desorption. The characterized results show that ultrafine Ru nanoparticles (NPs) of around 2 nm are effectively embedded in the center of well-proportioned spherical and porous silica nanospheres (25 nm in diameter). Interestingly, the number of Ru NPs increases inside the spherical particles of SiO2 as the increase of Ru loading. The as-synthesized Ru@SiO2 exhibits high catalytic activity and good durability for hydrogen generation from the aqueous of ammonia borane (AB) complex under ambient atmosphere at room temperature. The hydrolysis activation energy of Ru@SiO2 was estimated to be about 38.2 kJ mol(-1), which is lower than most of the reported activation energy values for the same reaction using many different Ru-based and other noble metal containing catalysts, indicating the superior catalytic performance of these core shell structured nanospheres. (C) 2014 Elsevier B.V. All rights reserved. |
| 学科主题 | Electrochemistry; Energy & Fuels |
| 收录类别 | SCI |
| WOS记录号 | WOS:000333780000039 |
| 公开日期 | 2016-05-03 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/225154]  |
| 专题 | 高能物理研究所_多学科研究中心 |
| 推荐引用方式 GB/T 7714 | Yao, QL,Shi, WM,Feng, G,et al. Ultrafine Ru nanoparticles embedded in SiO2 nanospheres: Highly efficient catalysts for hydrolytic dehydrogenation of ammonia borane[J]. JOURNAL OF POWER SOURCES,2014,257:293-299. |
| APA | Yao, QL.,Shi, WM.,Feng, G.,Lu, ZH.,Zhang, XL.,...&Chen, XS；卢章辉.(2014).Ultrafine Ru nanoparticles embedded in SiO2 nanospheres: Highly efficient catalysts for hydrolytic dehydrogenation of ammonia borane.JOURNAL OF POWER SOURCES,257,293-299. |
| MLA | Yao, QL,et al."Ultrafine Ru nanoparticles embedded in SiO2 nanospheres: Highly efficient catalysts for hydrolytic dehydrogenation of ammonia borane".JOURNAL OF POWER SOURCES 257(2014):293-299. |
入库方式： OAI收割
来源：高能物理研究所
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