Xiulin Fan, Xuezhang Xiao, Lixin Chen, Jie Shao, Liuting Zhang, Shouquan Li, Hongwei Ge and Qidong Wang Superior Catalytic Effects of Transition Metal Boride Nanoparticles on the Reversible Hydrogen Storage Properties of Li-Mg-B-H System Particle & Particle Systems Characterization 31
By directly doping transition metal boride (NbB2, ZrB2, and CeB6) nanoparticles with size of less than 10 nm into 2LiBH4/MgH2 composites, a significant catalytic enhancement is achieved. As the representative catalyzed system, the nanoNbB2-doped composite can release ca. 9.0 wt% H2 in 15 min and reabsorb ca. 9.0 wt% H2 in 5 min, which show more than 30 and 20 times faster than undoped system.
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