标题
作者
作者:Yan, YG (Yan, Yigang)[1,2 ]; Wang, H (Wang, Hui)[3 ]; Zhu, M (Zhu, Min)[3 ]; Cai, WT (Cai, Weitong)[4 ]; Rentsch, D (Rentsch, Daniel)[5 ]; Remhof, A (Remhof, Arndt)[5 ]
期刊信息
摘要
Li2B12H12 is commonly considered as a boron sink hindering the reversible hydrogen sorption of LiBH4. Recently, in the dehydrogenation process of LiBH4 an amorphous H-deficient Li2B12H12-x, phase was observed. In the present study, we investigate the rehydrogenation properties of Li2B12H12-x to form LiBH4. With addition of nanostructured cobalt boride in a 1:1 mass ratio, the rehydrogenation properties of Li2B12H12-x are improved, where LiBH4 forms under milder conditions (e.g., 400 degrees C, 100 bar H-2) with a yield of 68%. The active catalytic species in the reversible sorption reaction is suggested to be nonmetallic CoxB (x = 1) based on B-11 MAS NMR experiments and its role has been discussed.
关键词
作者关键词:hydrogen storage; lithium borohydride; nuclear magnetic resonance
作者信息
通讯作者地址:Remhof, A (通讯作者)
 | Empa Swiss Fed Labs Mat Sci & Technol, CH-8600 Dibendorf, Switzerland. |
地址:
电子邮件地址:yigang.yan@inano.au.dk; mehwang@scut.edu.cn; memzhu@scut.edu.cn; mewtcai@gdut.edu.cn; Daniel.Rentsch@empa.ch; amdt.remhof@empa.ch
出版商
类别分类
研究方向:Crystallography; Materials Science
Web of Science 类别:Crystallography; Materials Science, Multidisciplinary