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Effects of doping FeCl3 on hydrogen storage properties of Li-N-H system
Alternative TitleEffects of doping FeCl3 on hydrogen storage properties of Li-N-H system
Guo Jianping1; Chen Ping1; Wu Guotao1; Zhang Weijin1; Wang Han1; Cao Hujun3; He Teng1
2017
Source PublicationPROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL
ISSN1002-0071
Volume27Issue:1Pages:139-143
AbstractThe effects of doping FeCl3 on the LiNH2- 2LiH system were investigated systematically. FeCl(3)was prior to react with LiH during ball milling their mixtures. The metallic Fe, which is generated from metathesis reaction between FeCl3 and LiH, plays an important role on improving the dehydrogenation kinetics of LiNH2-2LiH system. The results indicated that the dehydrogenation peak and ending temperatures of the doped 1 mol% FeCl3 sample shifted to low temperatures, and the dehydrogenation active energy changed from 102.45 kJ/mol to 87.52 kJ/mol. While increasing the amount of FeCl3, an excess of LiCl, the by-product of metathesis reaction between FeCl3 and LiH, can stabilize LiNH2 and thus hinder hydrogen desorption. The dehydrogenation product is a new solid cubic phase solution of lithium imide-chloride. The high limit of the solid solution of LiCl and Li2NH is near the molar ratio of 1:1.
Other AbstractThe effects of doping FeCl3 on the LiNH2- 2LiH system were investigated systematically. FeCl(3)was prior to react with LiH during ball milling their mixtures. The metallic Fe, which is generated from metathesis reaction between FeCl3 and LiH, plays an important role on improving the dehydrogenation kinetics of LiNH2-2LiH system. The results indicated that the dehydrogenation peak and ending temperatures of the doped 1 mol% FeCl3 sample shifted to low temperatures, and the dehydrogenation active energy changed from 102.45 kJ/mol to 87.52 kJ/mol. While increasing the amount of FeCl3, an excess of LiCl, the by-product of metathesis reaction between FeCl3 and LiH, can stabilize LiNH2 and thus hinder hydrogen desorption. The dehydrogenation product is a new solid cubic phase solution of lithium imide-chloride. The high limit of the solid solution of LiCl and Li2NH is near the molar ratio of 1:1.
KeywordHydrogen Storage Iron Trichloride Lithium Amide Reaction Kinetics Solid Solution Lithium Imide-chloride
Indexed ByCSCD
Language英语
CSCD IDCSCD:5952816
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/154313
Collection中国科学院金属研究所
Affiliation1.中国科学院
2.中国科学院大学
3.中国科学院金属研究所
Recommended Citation
GB/T 7714
Guo Jianping,Chen Ping,Wu Guotao,et al. Effects of doping FeCl3 on hydrogen storage properties of Li-N-H system[J]. PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL,2017,27(1):139-143.
APA Guo Jianping.,Chen Ping.,Wu Guotao.,Zhang Weijin.,Wang Han.,...&He Teng.(2017).Effects of doping FeCl3 on hydrogen storage properties of Li-N-H system.PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL,27(1),139-143.
MLA Guo Jianping,et al."Effects of doping FeCl3 on hydrogen storage properties of Li-N-H system".PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL 27.1(2017):139-143.
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