Dehydrogenation properties of chromium-based ammine borohydrides: CrCl3 center dot nNH(3)/3LiBH(4) (n=3, 4 and 5) | |
Li, Meng ; Gu, Qinfen ; Li, Xinguo ; Yu, Xuebin | |
刊名 | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
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2016 | |
关键词 | Dehydrogenation Chromium-based ammine borohydrides Purity HYDROGEN STORAGE COMPLEX HYDRIDES MONOAMMONIATE COMPOUND RELEASE SYSTEM |
DOI | 10.1016/j.ijhydene.2015.11.025 |
英文摘要 | Three new chromium-based ammine borohydrides were synthesized by ball milling CrCl3 center dot nNH(3) (n = 3-5) and LiBH4 in a molar ratio of 1:3. Thermogravimetric analysis-mass spectrometry (TG-MS) measurements showed that the chromium-based ammine borohydrides release H-2 in the temperature range of 100-170 degrees C, concurrent with the evolution of a small amount of NH3 evolution. The dehydrogenation purity increases with decreasing coordination number of ammonia, with the highest dehydrogenation purity (91.8 mol%) achieved for CrCl3 center dot 3NH(3)/3LiBH(4). Further improvement on the dehydrogenation of CrCl3 center dot 3NH(3)/3LiBH(4) is conducted by the addition of ZnCl2. The 0.5 mol ZnCl2 assisted sample is able to release 7.4 wt.% of hydrogen with a purity of 98.8 mol%. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.; National Natural Science Foundation of China [21271046, 51471053]; Ph.D. Programs Foundation of Ministry of Education of China [20110071110009]; Science and Technology Commission of Shanghai Municipality [11JC1400700]; SCI(E); EI; ARTICLE; yuxuebin@fudan.edu.cn; 2; 733-739; 41 |
语种 | 英语 |
内容类型 | 期刊论文 |
源URL | [http://ir.pku.edu.cn/handle/20.500.11897/437829] ![]() |
专题 | 化学与分子工程学院 |
推荐引用方式 GB/T 7714 | Li, Meng,Gu, Qinfen,Li, Xinguo,et al. Dehydrogenation properties of chromium-based ammine borohydrides: CrCl3 center dot nNH(3)/3LiBH(4) (n=3, 4 and 5)[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2016. |
APA | Li, Meng,Gu, Qinfen,Li, Xinguo,&Yu, Xuebin.(2016).Dehydrogenation properties of chromium-based ammine borohydrides: CrCl3 center dot nNH(3)/3LiBH(4) (n=3, 4 and 5).INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. |
MLA | Li, Meng,et al."Dehydrogenation properties of chromium-based ammine borohydrides: CrCl3 center dot nNH(3)/3LiBH(4) (n=3, 4 and 5)".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2016). |
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