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Superior Catalytic Effects of Transition Metal Boride Nanoparticles on the Reversible Hydrogen Storage Properties of Li‐Mg‐B‐H System
Author(s) -
Fan Xiulin,
Xiao Xuezhang,
Chen Lixin,
Shao Jie,
Zhang Liuting,
Li Shouquan,
Ge Hongwei,
Wang Qidong
Publication year - 2014
Publication title -
particle and particle systems characterization
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.877
H-Index - 56
eISSN - 1521-4117
pISSN - 0934-0866
DOI - 10.1002/ppsc.201300171
Subject(s) - nanoparticle , catalysis , transition metal , hydrogen storage , eutectic system , materials science , boride , chemical engineering , inorganic chemistry , gravimetric analysis , dehydrogenation , hydrogen , chemistry , nanotechnology , metallurgy , organic chemistry , microstructure , engineering
By directly doping transition metal boride (NbB 2 , ZrB 2 , and CeB 6 ) nanoparticles with size of less than 10 nm into 2LiBH 4 /MgH 2 composites, a significant catalytic enhancement is achieved. As the representative catalyzed system, the nanoNbB 2 ‐doped composite can release ca. 9.0 wt% H 2 in 15 min and reabsorb ca. 9.0 wt% H 2 in 5 min, which show more than 30 and 20 times faster than undoped system.
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