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Improved hydrogen desorption properties of Li-Ca-B-N-H system catalyzed by cobalt containing species

文献类型:期刊论文

作者Chu, Hailiang1,2,3; Qiu, Shujun1,2,3; Sun, Lixian1,2; Wu, Guotao4
刊名journal of renewable and sustainable energy
出版日期2014
卷号6期号:1
英文摘要calcium borohydride, ca(bh4)(2), one of the promising candidates for efficient hydrogen storage, has been synthesized successfully by the metathesis reaction between magnesium chloride and sodium borohydride in tetrahydrofuran in which the insoluble byproduct sodium chloride can be easily removed. and the hydrogen storage properties of its related ca(bh4)(2)-4linh(2) composite system with the presence of cobalt containing species as additives are systematically investigated. a doping of 5wt. % cocl2 considerably decreases the dehydrogenation temperature of a mixture of ca(bh4)(2)-4linh(2). more than 4.5 and 7 wt. % of hydrogen can be released at temperatures as low as ca. 165 and 178 degrees c, respectively. the effective catalytic species is determined to be cobalt particle which is formed on-site during ball milling process, having superior catalytic performance to cobalt powder as a catalyst. in addition, the results show that the amount of by-product nh3 is less when dehydrogenated by volumetric release than by thermogravimetric analysis (tg), i.e., evolved nh3 can react with borohydride for hydrogen release in closed reactor. (c) 2014 aip publishing llc.
WOS标题词science & technology ; technology
类目[WOS]energy & fuels
研究领域[WOS]energy & fuels
关键词[WOS]von erdalkaliboranaten me2 ; calcium borohydride ; storage properties ; complex hydrides ; und diboran ; ca(bh4)(2) ; reversibility ; diffraction ; mg(bh4)(2) ; phase
收录类别SCI
语种英语
WOS记录号WOS:000332320200021
公开日期2016-05-09
源URL[http://cas-ir.dicp.ac.cn/handle/321008/145839]  
专题大连化学物理研究所_中国科学院大连化学物理研究所
作者单位1.Guilin Univ Elect Technol, Sch Mat Sci & Engn, Guilin 541004, Peoples R China
2.Guilin Univ Elect Technol, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China
3.Guilin Univ Elect Technol, Guangxi Expt Ctr Informat Sci, Guilin 541004, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Chu, Hailiang,Qiu, Shujun,Sun, Lixian,et al. Improved hydrogen desorption properties of Li-Ca-B-N-H system catalyzed by cobalt containing species[J]. journal of renewable and sustainable energy,2014,6(1).
APA Chu, Hailiang,Qiu, Shujun,Sun, Lixian,&Wu, Guotao.(2014).Improved hydrogen desorption properties of Li-Ca-B-N-H system catalyzed by cobalt containing species.journal of renewable and sustainable energy,6(1).
MLA Chu, Hailiang,et al."Improved hydrogen desorption properties of Li-Ca-B-N-H system catalyzed by cobalt containing species".journal of renewable and sustainable energy 6.1(2014).

入库方式: OAI收割

来源:大连化学物理研究所

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