标题
作者
作者:Pang, YP (Pang, Yuepeng)[1,2 ]; Liu, YF (Liu, Yongfeng)[1,2 ]; Gao, MX (Gao, Mingxia)[1,2 ]; Ouyang, LZ (Ouyang, Liuzhang)[3,4 ]; Liu, JW (Liu, Jiangwen)[3,4 ]; Wang, H (Wang, Hui)[3,4 ]; Zhu, M (Zhu, Min)[3,4 ]; Pan, HG (Pan, Hongge)[1,2 ]
期刊信息
摘要
Nanoscale hydrides desorb and absorb hydrogen at faster rates and lower temperatures than bulk hydrides because of their high surface areas, abundant grain boundaries and short diffusion distances. No current methods exist for the direct fabrication of nanoscale complex hydrides (for example, alanates, borohydrides) with unique morphologies because of their extremely high reducibility, relatively low thermodynamic stability and complicated elemental composition. Here, we demonstrate a mechanical-force-driven physical vapour deposition procedure for preparing nanoscale complex hydrides without scaffolds or supports. Magnesium alanate nanorods measuring 20-40 nm in diameter and lithium borohydride nanobelts measuring 10-40 nm in width are successfully synthesised on the basis of the one-dimensional structure of the corresponding organic coordination polymers. The dehydrogenation kinetics of the magnesium alanate nanorods are improved, and the nanorod morphology persists through the dehydrogenation-hydrogenation process. Our findings may facilitate the fabrication of such hydrides with improved hydrogen storage properties for practical applications.
关键词
KeyWords Plus:REVERSIBLE HYDROGEN STORAGE; AMMONIA-BORANE; METAL-HYDRIDES; MAGNESIUM; KINETICS; SIZE; ABSORPTION; DESORPTION; ALANATE; FIBERS
作者信息
通讯作者地址:Liu, YF (通讯作者)
 | Zhejiang Univ, Key Lab Adv Mat & Applicat Batteries Zhejiang Pro, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China. |
地址:
电子邮件地址:mselyf@zju.edu.cn; hgpan@zju.edu.cn
出版商
类别分类
研究方向:Science & Technology - Other Topics
Web of Science 类别:Multidisciplinary Sciences