典型文献
Ultrafine Fe-modulated Ni nanoparticles embedded within nitrogen-doped carbon from Zr-MOFs-confined conversion for efficient oxygen evolution reaction
文献摘要：
Improvement of the low-cost transition metal electrocatalyst used in sluggish oxygen evolution reaction is a significant but challenging problem.In this study,ultrafine Fe-modulated Ni nanoparticles embedded in a porous Ni-doped carbon matrix were produced by the pyrolysis of zirconium metal-organic frameworks,in which 2,2'-bipyridine-5,5'-dicarboxylate operating as a ligand can coordinate with Ni2+and Fe3+.This strategy allows formation of Fe-modulated Ni nanoparticles with a uniform dimension of about 2 nm which can be ascribed to the spatial blocking effect of ZrO2.This unique catalyst displays an efficient oxygen evolution reaction electro-catalytic activity with a low overpotential of 372 mV at 10 mA·cm-2 and a small Tafel slope of 84.4 mV·dec-1 in alkaline media.More importantly,it shows superior durability and structural stability after 43 h in a chronoamperometry test.Meanwhile,it shows excellent cycling stability during 4000 cyclic voltammetry cycles.This research offers a new insight into the construction of uniform nanoscale transition metals and their alloys as highly efficient and durable electrocatalysts.
文献关键词：
中图分类号：
作者姓名：
Lingtao Kong;Zhouxun Li;Hui Zhang;Mengmeng Zhang;Jiaxing Zhu;Mingli Deng;Zhenxia Chen;Yun Ling;Yaming Zhou
作者机构：
Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials,Department of Chemistry,Fudan University,Shanghai 200433,China
文献出处：
引用格式：
[1]Lingtao Kong;Zhouxun Li;Hui Zhang;Mengmeng Zhang;Jiaxing Zhu;Mingli Deng;Zhenxia Chen;Yun Ling;Yaming Zhou-.Ultrafine Fe-modulated Ni nanoparticles embedded within nitrogen-doped carbon from Zr-MOFs-confined conversion for efficient oxygen evolution reaction)[J].化学科学与工程前沿,2022(07):1114-1124
A类：
Ni2+and
B类：
Ultrafine,modulated,nanoparticles,embedded,within,nitrogen,doped,carbon,from,MOFs,confined,conversion,efficient,oxygen,evolution,reaction,Improvement,cost,transition,used,sluggish,significant,but,challenging,problem,In,this,study,ultrafine,porous,matrix,were,produced,by,pyrolysis,zirconium,organic,frameworks,which,bipyridine,dicarboxylate,operating,ligand,coordinate,Fe3+,This,strategy,allows,formation,uniform,dimension,about,ascribed,spatial,blocking,effect,ZrO2,unique,displays,catalytic,activity,overpotential,mV,mA,small,Tafel,slope,dec,alkaline,media,More,importantly,shows,superior,durability,structural,stability,after,chronoamperometry,test,Meanwhile,excellent,cycling,during,cyclic,voltammetry,cycles,research,offers,new,insight,into,construction,nanoscale,metals,their,alloys,highly,durable,electrocatalysts
AB值：
0.653094
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