Preparation of phosphorus-doped carbon nanospheres and their electrocatalytic performance for O_2 reduction

查看全文 作　　者：Ziwu [1,2]Liu;Feng [1]Peng;Hongjuan [1]Wang;Hao [1]Yu;Wenxu [3]Zheng;Xianyong [2]Wei

机构地区：[1]School of Chemistry and Chemical Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China;[2]Key Laboratoryof Coal Processing and Efficient Utilization(Ministry of Education),China University of Mining&Technology,Xuzhou 221008,Jiangsu,China;[3]Institute of Biomaterial&College of Science,South China Agricultural University,Guangzhou 510642,Guangdong,China

出　　处：《Journal of Natural Gas Chemistry》索引2012年第21卷第3期,共8页

基　　金：supported by the Guangdong Provincial Science and Technology Project of China (2011B010400016);China Postdoctoral Science Foundation (No. 20110490878) 摘　　要：Phosphorus-doped carbon nanospheres without any metal residues were synthesized and characterized.The results revealed that the doping phosphorus atoms could significantly improve the electrocatalytic activity of graphitic carbon for the oxygen-reduction reaction(ORR) both in acidic and alkaline media,and the materials exhibited high electrocatalytic activity,long-term stability,and excellent tolerance to crossover effects especially in alkaline media.Quantum mechanics calculations with the density functional theory demonstrated that the changes in charge density and energetic characteristics of frontier orbitals for the P-doped graphene sheet could facilitate the ORR. 关键词：氧还原反应磷掺杂石墨碳纳米球电催化性能电催化活性制备密度泛函理论

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Preparation of phosphorus-doped carbon nanospheres and their electrocatalytic performance for O_2 reduction

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