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题名: Guanidinium octahydrotriborate: an ionic liquid with high hydrogen storage capacity
作者: Chen, Weidong1, 2;  Huang, Zhenguo;  Wu, Guotao1;  He, Teng1;  Li, Zhao1;  Chen, Juner1;  Guo, Zaiping3;  Liu, Huakun3;  Chen, Ping1
刊名: JOURNAL OF MATERIALS CHEMISTRY A
发表日期: 2015
DOI: 10.1039/c5ta01158b
卷: 3, 期:21, 页:11411-11416
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Energy & Fuels ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Materials Science
英文摘要: For chemical hydrogen storage, capacity is one key criterion that has spurred intense efforts to investigate compounds with high hydrogen content. The guanidinium cation and the octahydrotriborate anion possess 6 H+ and 8 H-, respectively. The combination of these two ions yields guanidinium octahydrotriborate with 13.8 wt% hydrogen. This paper presents its facile synthesis, as confirmed by B-11 and H-1 nuclear magnetic resonance spectroscopy. The results show that guanidinium octahydrotriborate is an ionic liquid with a melting point below -10 degrees C, which makes it a possible injectable/pumpable hydrogen carrier. It decomposes selectively to hydrogen, in stark contrast to the formation of various boranes from related solid octahydrotriborates. The much improved H-2 purity can be ascribed to the more effective combination of H+ and H-, and the higher H+/H- ratio in liquid guanidinium octahydrotriborate.
关键词[WOS]: N-H COMPOUNDS ;  THERMAL-DECOMPOSITION ;  AMMONIA-BORANE ;  HYPERGOLIC FUELS ;  BOROHYDRIDE ;  HYDROLYSIS ;  TRIBORANE ;  HYDRAZINE ;  EFFICIENT ;  HYDRIDES
语种: 英语
WOS记录号: WOS:000354952500030
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146267
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Univ Wollongong, Inst Superconducting & Elect Mat, North Wollongong, NSW 2522, Australia

Recommended Citation:
Chen, Weidong,Huang, Zhenguo,Wu, Guotao,et al. Guanidinium octahydrotriborate: an ionic liquid with high hydrogen storage capacity[J]. JOURNAL OF MATERIALS CHEMISTRY A,2015,3(21):11411-11416.
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