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学科主题: 物理化学
题名: Improving Effects of LiH and Co-Catalyst on the Dehydrogenation of Li4BN3H10
作者: Zheng, Xueli1, 2;  Xiong, Zhitao2;  Lim, Yonghao3;  Wu, Guotao2;  Chen, Ping2, 3;  Chen, Hua1
通讯作者: 熊智涛
刊名: JOURNAL OF PHYSICAL CHEMISTRY C
发表日期: 2011-05-05
DOI: 10.1021/jp2007182
卷: 115, 期:17, 页:8840-8844
收录类别: SCI
文章类型: Article
部门归属: 19
项目归属: 1901
产权排名: 2,1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
摘要: Improving Effects of LiH and Co-Catalyst on the Dehydrogenation of Li4BN3H10
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: Improving effects of LiH and Co-catalyst on the dehydrogenation of Li4BN3H10 were investigated in this work. It was found that 9.6 wt % or 5 equiv. moles of H-2 can be evolved from the promoted sample at 250 degrees C, which is 110 degrees C lower than that of pristine Li4BN3H10. More importantly, NH3 emission is depressed dramatically, with its concentration in hydrogen decreasing from 12 mol % to 0.008 mol % (or 80 ppm). Melting of Li4BN3H10 is essential for one unit of LiNH2 fleeing from the structure and interacting with LiH to evolve 1 equiv. mole of H-2, in the meantime, Co-catalyst takes effect on the dissociation of remaining Li3BN2H8, resulting in the evolution of another 4 equiv. moles of H-2 at temperatures close to that of LiNH2-LiH.
关键词[WOS]: N-H SYSTEM ;  REVERSIBLE HYDROGEN STORAGE ;  CRYSTAL-STRUCTURE ;  LITHIUM AMIDE ;  DESORPTION ;  RELEASE ;  HYDRIDE ;  COMPLEX ;  LIBH4 ;  LIB0.33N0.67H2.67
语种: 英语
WOS记录号: WOS:000289824200047
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115415
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.Sichuan Univ, Key Lab Green Chem & Technol, Inst Homogeneous Catalysis, Minist Educ,Coll Chem, Chengdu 610064, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore

Recommended Citation:
Zheng, Xueli,Xiong, Zhitao,Lim, Yonghao,et al. Improving Effects of LiH and Co-Catalyst on the Dehydrogenation of Li4BN3H10[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2011,115(17):8840-8844.
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