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Improvement on Hydrogen Desorption Performance of Calcium Borohydride Diammoniate Doped with Transition Metal Chlorides
Chu, Hailiang1,2,3; Qiu, Shujun1,2; Zou, Yongjin1,2; Xiang, Cuili1,2; Zhang, Huanzhi1,2; Xu, Fen1,2; Sun, Lixian1,2; Zhou, Huaiying1,2
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
2015-01-15
DOI10.1021/jp510248m
Volume119Issue:2Pages:913-918
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS KeywordSTORAGE PROPERTIES ; AMMONIA BORANE ; COBALT ; HYDROLYSIS ; CA(BH4)(2) ; CATALYSTS ; NABH4 ; REVERSIBILITY ; GENERATION ; SYSTEM
AbstractCalcium borohydride diammoniate with a molecular formula of Ca(BH4)(2).2NH(3) is a novel complex hydride for hydrogen storage. However, it suffers from high temperature and sluggish kinetics for hydrogen desorption. In this work, the temperature and kinetics for hydrogen desorption of calcium borohydride diammoniate were effectively improved through doping transition metal chlorides (such as CoCl2, NiCl2, and FeCl3) in a closed vessel. Three additives could effectively decrease the temperature for hydrogen desorption of Ca(BH4)(2).2NH3. Among them, CoCl2-doped Ca(BH4)(2).2NH3 could desorb hydrogen even at a low temperature of 170 degrees C, and at 200 degrees C, 7.6 wt % hydrogen with high purity is released, which shows superior performance for hydrogen desorption than that of pristine Ca(BH4)(2).2NH(3.) For CoCl2-doped Ca(BH4)(2).2NH(3), X-ray absorption fine structure (XAFS) revealed that the improvements could be ascribed to the catalytic function of well-dispersed cobalt particles, which results in a much lower activation energy (86.1 kJ/mol) for hydrogen desorption of calcium borohydride diammoniate.
Language英语
WOS IDWOS:000348094000005
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/146012
Collection中国科学院大连化学物理研究所
Affiliation1.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.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Chu, Hailiang,Qiu, Shujun,Zou, Yongjin,et al. Improvement on Hydrogen Desorption Performance of Calcium Borohydride Diammoniate Doped with Transition Metal Chlorides[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2015,119(2):913-918.
APA Chu, Hailiang.,Qiu, Shujun.,Zou, Yongjin.,Xiang, Cuili.,Zhang, Huanzhi.,...&Zhou, Huaiying.(2015).Improvement on Hydrogen Desorption Performance of Calcium Borohydride Diammoniate Doped with Transition Metal Chlorides.JOURNAL OF PHYSICAL CHEMISTRY C,119(2),913-918.
MLA Chu, Hailiang,et al."Improvement on Hydrogen Desorption Performance of Calcium Borohydride Diammoniate Doped with Transition Metal Chlorides".JOURNAL OF PHYSICAL CHEMISTRY C 119.2(2015):913-918.
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