典型文献
Boosting the hydrogen storage performance of magnesium hydride with metal organic framework-derived Cobalt@Nickel oxide bimetallic catalyst
文献摘要:
In this study,a MOF-derived bimetallic Co@NiO catalyst was synthesized and doped into MgH2 to improve the hydrogen desorption and resorption kinetics.The Co@NiO catalyst decreased the onset dehydrogenation temperature of MgH2 by 160℃,compared with un-doped MgH2.The MgH2+9%(mass)Co@NiO composite released 6.6%(mass)hydrogen in 350 s at 315℃and uptook 5.4%(mass)hydrogen in 500 s at 165℃,showing greatly accelerated de/rehydrogenation rates.Besides,the desorption activation energy of MgH2+9%(mass)Co@NiO was decreased to(93.8±8.4)kJ mol-1.Noteworthy,symbiotic Mg2NiH4/Mg2CoH5 clusters were in-situ formed from bimetallic precursors and inlaid on MgH2 surface,which are considered as"multi-step hydrogen pumps",and provides surface pathways for hydrogen absorption.Meanwhile,the introduced Mg2NiH4/Mg2CoH5 interfaces could provide numerous low energy barrier H diffusion channels,therefore accelerating the hydrogen release and uptake.This research proposes new insights to design high-efficiency bimetallic catalyst for MgH2 hydrogen storage.
文献关键词:
中图分类号:
作者姓名:
Yan Zhang;Jiaguang Zheng;Zhiyu Lu;Mengchen Song;Jiahuan He;Fuying Wu;Liuting Zhang
作者机构:
School of Energy and Power,Jiangsu University of Science and Technology,Zhenjiang 212003,China;State Key Laboratory of Silicon Materials,Department of Materials Science and Engineering,Zhejiang University,Hangzhou 310027,China;Analysis and Testing Center,Jiangsu University of Science and Technology,Zhenjiang 212003,China
文献出处:
引用格式:
[1]Yan Zhang;Jiaguang Zheng;Zhiyu Lu;Mengchen Song;Jiahuan He;Fuying Wu;Liuting Zhang-.Boosting the hydrogen storage performance of magnesium hydride with metal organic framework-derived Cobalt@Nickel oxide bimetallic catalyst)[J].中国化学工程学报(英文版),2022(12):161-171
A类:
MgH2+9,uptook,rehydrogenation,Mg2CoH5
B类:
Boosting,storage,performance,magnesium,hydride,organic,framework,derived,Cobalt,Nickel,oxide,bimetallic,catalyst,In,this,study,MOF,NiO,was,synthesized,doped,into,improve,desorption,resorption,kinetics,decreased,onset,dehydrogenation,temperature,by,compared,un,mass,composite,released,showing,greatly,accelerated,rates,Besides,activation,energy,kJ,Noteworthy,symbiotic,Mg2NiH4,clusters,were,situ,formed,from,precursors,inlaid,surface,which,considered,multi,step,pumps,provides,pathways,absorption,Meanwhile,introduced,interfaces,could,numerous,low,barrier,diffusion,channels,therefore,accelerating,uptake,This,research,proposes,new,insights,design,high,efficiency
AB值:
0.533832
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