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Remarkable irreversible and reversible dehydrogenation of LiBH4 by doping with nanosized cobalt metalloid compounds

Nanosized cobalt sulfide and cobalt boride were synthesized and doped into LiBH to improve the dehydrogenation properties of this important candidate for hydrogen storage. With respect to CoS doping, the dehydrogenation temperature (peak temperature observed by mass spectrometry) of pristine LiBH ca... Full description

Journal Title: International Journal of Hydrogen Energy 19 March 2013, Vol.38(8), pp.3304-3312
Main Author: Cai, Weitong
Other Authors: Wang, Hui , Jiao, Lifang , Wang, Yijing , Zhu, Min
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0360-3199 ; E-ISSN: 1879-3487 ; DOI: 10.1016/j.ijhydene.2012.10.032
Link: https://www.sciencedirect.com/science/article/pii/S0360319912023208
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recordid: elsevier_sdoi_10_1016_j_ijhydene_2012_10_032
title: Remarkable irreversible and reversible dehydrogenation of LiBH4 by doping with nanosized cobalt metalloid compounds
format: Article
creator:
  • Cai, Weitong
  • Wang, Hui
  • Jiao, Lifang
  • Wang, Yijing
  • Zhu, Min
subjects:
  • Hydrogen Storage
  • Libh4
  • Catalysts
  • Cobalt Sulfide
  • Cobalt Boride
  • Engineering
ispartof: International Journal of Hydrogen Energy, 19 March 2013, Vol.38(8), pp.3304-3312
description: Nanosized cobalt sulfide and cobalt boride were synthesized and doped into LiBH to improve the dehydrogenation properties of this important candidate for hydrogen storage. With respect to CoS doping, the dehydrogenation temperature (peak temperature observed by mass spectrometry) of pristine LiBH can be reduced from 440 °C to 175 °C with a maximum capacity of 6.7 wt% at 50% doping. Unfortunately, B H is liberated and the process is not reversible because the CoS dopant reacts with LiBH to form more stable compounds. By changing CoS to CoB , a reversible dehydrogenation was realized with greatly improved reversibility. The dehydrogenation temperature was reduced to 350 °C with a maximum capacity of 8.4 wt% at 50% doping amount. It is very significant that CoB is stable and the release...
language: eng
source:
identifier: ISSN: 0360-3199 ; E-ISSN: 1879-3487 ; DOI: 10.1016/j.ijhydene.2012.10.032
fulltext: no_fulltext
issn:
  • 0360-3199
  • 03603199
  • 1879-3487
  • 18793487
url: Link


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titleRemarkable irreversible and reversible dehydrogenation of LiBH4 by doping with nanosized cobalt metalloid compounds
creatorCai, Weitong ; Wang, Hui ; Jiao, Lifang ; Wang, Yijing ; Zhu, Min
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subjectHydrogen Storage ; Libh4 ; Catalysts ; Cobalt Sulfide ; Cobalt Boride ; Engineering
descriptionNanosized cobalt sulfide and cobalt boride were synthesized and doped into LiBH to improve the dehydrogenation properties of this important candidate for hydrogen storage. With respect to CoS doping, the dehydrogenation temperature (peak temperature observed by mass spectrometry) of pristine LiBH can be reduced from 440 °C to 175 °C with a maximum capacity of 6.7 wt% at 50% doping. Unfortunately, B H is liberated and the process is not reversible because the CoS dopant reacts with LiBH to form more stable compounds. By changing CoS to CoB , a reversible dehydrogenation was realized with greatly improved reversibility. The dehydrogenation temperature was reduced to 350 °C with a maximum capacity of 8.4 wt% at 50% doping amount. It is very significant that CoB is stable and the release...
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