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典型文献
Regeneration of single-atom catalysts deactivated under acid oxygen reduction reaction conditions
文献摘要:
Single-atom catalysts serve as a promising candidate to realize noble-metal-free electrocatalytic oxygen reduction in acid media.However,their poor stability under working conditions strictly restrains their practical applications.Therefore,regeneration of their electrocatalytic activity is of great significance.Herein,the regeneration of a Fe-N-C single-atom catalyst is demonstrated to be feasible by a facile annealing regeneration strategy.The activity after regeneration recovers to that of the pristine electrocat-alyst and surpasses the deactivated electrocatalyst.The regeneration mechanism is identified to be self-etching of the surface carbon layer and consequent exposure of the previously buried single-atom sites.Furthermore,the regeneration strategy is applicable to other single-atom catalysts.This work demon-strates the feasibility of regenerating oxygen reduction electrocatalysts and affords a pioneering approach to deal with rapid deactivation under working conditions.
文献关键词:
作者姓名:
Chang-Xin Zhao;Ding Ren;Juan Wang;Jia-Ning Liu;Cheng Tang;Xiao Chen;Bo-Quan Li;Qiang Zhang
作者机构:
Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology,Department of Chemical Engineering,Tsinghua University,Beijing 100084,China;School of Materials Science and Engineering,Beijing Institute of Technology,Beijing 100081,China;Advanced Research Institute of Multidisciplinary Science,Beijing Institute of Technology,Beijing 100081,China;School of Chemical Engineering and Advanced Materials,The University of Adelaide,Adelaide,SA 5005,Australia
文献出处:
引用格式:
[1]Chang-Xin Zhao;Ding Ren;Juan Wang;Jia-Ning Liu;Cheng Tang;Xiao Chen;Bo-Quan Li;Qiang Zhang-.Regeneration of single-atom catalysts deactivated under acid oxygen reduction reaction conditions)[J].能源化学,2022(10):478-484
A类:
B类:
Regeneration,single,atom,deactivated,under,acid,oxygen,reduction,reaction,conditions,Single,serve,promising,candidate,realize,noble,metal,free,electrocatalytic,media,However,their,poor,stability,working,strictly,restrains,practical,applications,Therefore,regeneration,activity,great,significance,Herein,demonstrated,be,feasible,by,facile,annealing,strategy,after,recovers,that,pristine,surpasses,mechanism,identified,self,etching,surface,carbon,layer,consequent,exposure,previously,buried,sites,Furthermore,applicable,other,This,strates,feasibility,regenerating,electrocatalysts,affords,pioneering,approach,deal,rapid,deactivation
AB值:
0.577155
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