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典型文献
Sulfur-nitrogen co-doped graphene supported cobalt-nickel sulfide rGO@SN-CoNi2S4 as highly efficient bifunctional catalysts for hydrogen/oxygen evolution reactions
文献摘要:
Designing highly active and stable electrocata-lysts for hydrogen evolution reaction(HER)and oxygen evolution reaction(OER)is a challenge for energy con-version and storage technology.In this work,a S and N co-doped graphene supported cobalt-nickel sulfide composite catalyst(rGO@SN-CoNi2S4)was synthesized simply via a one-step hydrothermal method.The as-synthesized CoNi2S4 particles grew in a mosaic manner inside GO lamellae and were encapsulated with graphene.As a bifunctional catalyst,the rGO@SN-CoNi2S4 exhibits excellent electrocatalytic performance under alkaline con-ditions,which only required the overpotential of 142.6 mV(vs.RHE)and 310 mV(vs.RHE)to deliver a current density of 10 mA·cm-2 for HER and OER,respectively.The good hydrophilicity of the rGO@SN,the pure phase of bimetallic structure,and the chemical coupling/interaction between the CoNi2S4 and the rGO@SN are attributable to be the possible reasons responsible for the higher HER and OER catalytic activities.Additionally,the rGO@SN-CoNi2S4 also shows a great potential for serving as an excellent cathode and anode electrolyzer during the water splitting process.
文献关键词:
作者姓名:
Bing-Lu Deng;Li-Ping Guo;Yuan Lu;Hai-Bo Rong;Dong-Chu Cheng
作者机构:
School of Materials Science and Hydrogen Energy,Foshan University,Foshan 528000,China;Guangdong Key Laboratory for Hydrogen Energy Technologies,Foshan 528000,China;School of Environment and Energy,South China University of Technology,Guangzhou 510006,China
引用格式:
[1]Bing-Lu Deng;Li-Ping Guo;Yuan Lu;Hai-Bo Rong;Dong-Chu Cheng-.Sulfur-nitrogen co-doped graphene supported cobalt-nickel sulfide rGO@SN-CoNi2S4 as highly efficient bifunctional catalysts for hydrogen/oxygen evolution reactions)[J].稀有金属(英文版),2022(03):911-920
A类:
B类:
Sulfur,nitrogen,doped,graphene,supported,cobalt,nickel,sulfide,rGO,SN,CoNi2S4,highly,efficient,bifunctional,catalysts,hydrogen,oxygen,evolution,reactions,Designing,active,stable,HER,OER,challenge,energy,con,version,storage,technology,In,this,work,composite,was,synthesized,simply,via,one,step,hydrothermal,method,particles,grew,mosaic,manner,inside,lamellae,were,encapsulated,exhibits,excellent,electrocatalytic,performance,under,alkaline,ditions,which,only,required,overpotential,mV,RHE,deliver,current,density,mA,respectively,good,hydrophilicity,pure,phase,bimetallic,structure,chemical,coupling,interaction,between,are,attributable,possible,reasons,responsible,higher,activities,Additionally,also,shows,great,serving,cathode,anode,electrolyzer,during,water,splitting,process
AB值:
0.560765
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