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学科主题: 物理化学
题名: Improved hydrogen desorption properties of Co-doped Li2BNH6
作者: Zheng XueLi1, 2;  Wu GuoTao1;  He Teng1;  Chu HaiLiang1;  Chen Hua2;  Chen Ping1
通讯作者: 吴国涛
关键词: lithium amide ;  cobalt ;  lithium borohydride ;  hydrogen release
刊名: CHINESE SCIENCE BULLETIN
发表日期: 2011-08-01
DOI: 10.1007/s11434-011-4466-3
卷: 56, 期:23, 页:2481-2485
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
类目[WOS]: Multidisciplinary Sciences
摘要: Improved hydrogen desorption properties of Co-doped Li2BNH6
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: The hydrogen desorption properties of Li2BNH6 were improved by doping with cobalt. With the addition of CoCl2 (7 wt%), more than 8 wt% of hydrogen was released from Li2BNH6 at temperatures below 210A degrees C, which is approximately 90A degrees C lower than that of pristine Li2BNH6. X-ray diffraction, Fourier transform-infrared and Raman characterizations revealed that the dehydrogenation was a stepwise process with the formation of intermediates Li4BN3H10 and LiBH4 and final products of Li3BN2 and LiH. The introduction of Co greatly accelerated the dehydrogenation of Li4BN3H10. X-ray absorption near-edge structure measurements revealed that Co and CoB species formed during ball milling of CoCl2 with LiBH4 and LiNH2, which may function as catalyst in the subsequent dehydrogenation.
关键词[WOS]: AMMONIA-BORANE ;  LITHIUM BOROHYDRIDE ;  CRYSTAL-STRUCTURE ;  STORAGE MATERIALS ;  LIBH4 ;  SYSTEM ;  RELEASE ;  COMPLEX ;  LIB0.33N0.67H2.67 ;  NITRIDES
语种: 英语
WOS记录号: WOS:000292928700012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115418
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, Peoples R China
2.Sichuan Univ, Key Lab Green Chem & Technol, Minist Educ, Inst Homogeneous Catalysis,Coll Chem, Chengdu 610064, Peoples R China

Recommended Citation:
Zheng XueLi,Wu GuoTao,He Teng,et al. Improved hydrogen desorption properties of Co-doped Li2BNH6[J]. CHINESE SCIENCE BULLETIN,2011,56(23):2481-2485.
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