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学科主题: 物理化学
题名: Effects of graphitic carbon nitride on the dehydrogenation of ammonia borane
作者: Zhang Jing1;  He Teng1;  Liu Bin1;  Liu Lin1;  Zhao Zelun1;  Hu Daqiang1;  Ju Xiaohua1;  Wu Guotao1;  Chen Ping1
通讯作者: 何腾 ;  陈萍
关键词: Ammonia borane ;  Carbon nitride ;  Dehydrogenation ;  Lithium borohydride
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2013-07-01
DOI: 10.1016/S1872-2067(12)60566-X
卷: 34, 期:7, 页:1303-1311
收录类别: SCI
合作性质: 
文章类型: Article
部门归属: DNL19
项目归属: DNL1901
产权排名: 待补充
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
资助者: 1,1
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: By ball milling carbon nitride (C3N4) and ammonia borane (AB), the AB-C3N4 system was successfully synthesized. It is shown that the dehydrogenation temperature of the AB-C3N4 system was obviously decreased. However, the concentration of byproduct ammonia was much higher than that of pristine AB. Thus, LiBH4-modified C3N4 (LC3N4) was produced and employed to synthesize a AB-LC3N4 system. The dehydrogenation of the AB-LC3N4 system was investigated using X-ray diffraction, temperature-programmed desorption-mass spectrometry, thermogravimetry-differential thermal analysis, and nuclear magnetic resonance. The results show that the dehydrogenation temperatures of the AB-LC3N4 systems were reduced to a lower region compared with pristine AB. Moreover, byproduct borazine and the induction period were significantly suppressed. After LiBH4 modification on C3N4, the other byproduct ammonia was also reduced in the dehydrogenation process. Dynamic analysis and NMR characterization results show that the decomposition mechanism of AB-LC3N4 still follows the self-decomposition of AB, which is induced by the formation of NH3BH2NH3BH4. (C) 2013, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
关键词[WOS]: HYDROGEN STORAGE MATERIAL ;  THERMAL-DECOMPOSITION ;  HYDRIDE ;  RELEASE ;  NMR
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000322425500004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119128
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 116023, Liaoning, Peoples R China

Recommended Citation:
Zhang Jing,He Teng,Liu Bin,et al. Effects of graphitic carbon nitride on the dehydrogenation of ammonia borane[J]. CHINESE JOURNAL OF CATALYSIS,2013,34(7):1303-1311.
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