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典型文献
Sepaktakraw-like catalyst Mn-doped CoP enabling ultrastable electrocatalytic oxygen evolution at 100 mA·cm-2 in alkali media
文献摘要:
Seeking highly active,stable and low-cost electrocatalysts used as both cathode and anode in overall water splitting is very crucial for the sustainable utilization of resources.Herein,a highly efficient and long-term stable oxygen evolution reaction(OER)electrocatalyst Mn-doped CoP on foam Ni(MnCoP/NF)is synthesized by the one-step electrodeposition method.Owing to the syn-ergetic effect among the Sepaktakraw-like morphology,the doped Mn element and the binder-free synthesis method,MnCoP/NF displays superior electrocatalytic activity and electrochemical stability toward OER.MnCoP/NF only requires an overpotential of 266 mV to deliver the current density of 10 mA·cm-2,demonstrating an excellent elec-trocatalytic activity even better than that of commercial catalysts of IrO2/NF.And the retention rate of potential can still be maintained at 99.57%after the durability test as long as 240 h,indicating the prominent electrochemical stability of MnCoP/NF.Simultaneously,MnCoP/NF could be directly used as both cathode and anode in the two-electrode system for overall water splitting,exhibiting a low potential of 1.97 V for reaching 100 mA·cm-2.Impressive long-term stability of MnCoP/NF is also observed by limited activity decay after 240-h durability tests at 10 and 100 mA·cm-2.Thus,this study illustrates a feasible approach to the rational design of highly active and stable electrocatalyst and also provides valuable insights on the improved electrocatalytic performance of water split-ting by Mn doping.
文献关键词:
作者姓名:
Wen-Ying Fu;Yu-Xiao Lin;Mao-Sen Wang;Si Si;Lu Wei;Xin-Sheng Zhao;Yong-Sheng Wei
作者机构:
School of Physics and Electronic Engineering,Jiangsu Normal University,Xuzhou 221116,China;School of Mechatronic Engineering,China University of Mining and Technology,Xuzhou 221116,China
引用格式:
[1]Wen-Ying Fu;Yu-Xiao Lin;Mao-Sen Wang;Si Si;Lu Wei;Xin-Sheng Zhao;Yong-Sheng Wei-.Sepaktakraw-like catalyst Mn-doped CoP enabling ultrastable electrocatalytic oxygen evolution at 100 mA·cm-2 in alkali media)[J].稀有金属(英文版),2022(09):3069-3077
A类:
Sepaktakraw,MnCoP,ergetic,Impressive
B类:
like,doped,enabling,ultrastable,electrocatalytic,oxygen,evolution,mA,alkali,media,Seeking,highly,active,low,cost,electrocatalysts,used,both,cathode,anode,overall,water,splitting,very,crucial,sustainable,utilization,resources,Herein,efficient,long,term,reaction,OER,foam,synthesized,by,one,step,electrodeposition,method,Owing,effect,among,morphology,element,binder,free,synthesis,displays,superior,activity,electrochemical,stability,toward,only,requires,overpotential,mV,deliver,current,density,demonstrating,excellent,even,better,than,that,commercial,IrO2,And,retention,can,still,maintained,after,durability,indicating,prominent,Simultaneously,could,directly,two,system,exhibiting,reaching,also,observed,limited,decay,tests,Thus,this,study,illustrates,feasible,approach,rational,design,provides,valuable,insights,improved,performance,doping
AB值:
0.475437
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