A kinetics study on promising hydrogen storage properties of Mg-based thin films at room temperature | |
Qu, Jianglan1; Liu, Yang2; Xin, Gongbiao2; Zheng, Jie2; Li, Xingguo2 | |
刊名 | DALTON TRANSACTIONS
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2014 | |
卷号 | 43期号:15页码:5908-5912 |
ISSN号 | 1477-9226 |
DOI | 10.1039/c3dt53646g |
英文摘要 | Pd-Mg-Pd thin films with variable thickness of Mg layers were prepared. Their optical and electrical changes in both gasochromic and chemochromic processes were compared to investigate the kinetics of Mg-based thin films at room temperature. Hydrogen absorption and desorption kinetics of Pd-Mg-Pd thin films were strongly dependent on the thickness of the Mg layer. Especially, when the thickness was lowered to 60 nm, a MgH2 layer formed immediately after exposure to H-2 at room temperature, while a Mg layer was rapidly generated during hydrogen desorption in ambient air. By means of optical and electrical resistance measurements, we found that the diffusion process contributed significantly to hydrogen absorption and desorption. The remarkable absorption and desorption kinetics at room temperature reported here suggested promising applications in Mg-based energy-efficient devices and hydrogen sensors. |
语种 | 英语 |
出版者 | ROYAL SOC CHEMISTRY |
WOS记录号 | WOS:000333122800034 |
内容类型 | 期刊论文 |
源URL | [http://ir.iccas.ac.cn/handle/121111/50469] ![]() |
专题 | 中国科学院化学研究所 |
通讯作者 | Qu, Jianglan |
作者单位 | 1.China Agr Univ, Dept Basic Teaching, Beijing 102206, Peoples R China 2.Peking Univ, State Key Lab Rare Earth Mat Chem & Applicat, BNLMS, Coll Chem & Mol Engn, Beijing 100871, Peoples R China |
推荐引用方式 GB/T 7714 | Qu, Jianglan,Liu, Yang,Xin, Gongbiao,et al. A kinetics study on promising hydrogen storage properties of Mg-based thin films at room temperature[J]. DALTON TRANSACTIONS,2014,43(15):5908-5912. |
APA | Qu, Jianglan,Liu, Yang,Xin, Gongbiao,Zheng, Jie,&Li, Xingguo.(2014).A kinetics study on promising hydrogen storage properties of Mg-based thin films at room temperature.DALTON TRANSACTIONS,43(15),5908-5912. |
MLA | Qu, Jianglan,et al."A kinetics study on promising hydrogen storage properties of Mg-based thin films at room temperature".DALTON TRANSACTIONS 43.15(2014):5908-5912. |
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