摘要
A new strategy to fabricate oxygen-promoted Cu,N co-doped carbon(OP-CuN@C)composites is reported.The strategy consists of only two simple steps:chemical polymerization and high temperature carbonization.Electrochemical measurements were conducted to investigate the catalytic activity and mechanism of ORR on the resulting samples.All the electrochemical results indicate that OP-CuN@C exhibits the best ORR catalytic activity.The ORR onset potential of OP-CuN@C is slightly lower than that of commercial Pt/C catalyst.The good performance is attributed to the large specific surface area,high content of heteroatoms(pyridinic,graphitic nitrogen,and oxygen atom)and synergistic effect between divalent copper and nitrogen dopant.
作者
LIU Qianqian
GUO Wei
PAN Mu
TU Wenmao
刘倩倩;GUO Wei;PAN Mu;涂文懋(Hubei Key Laboratory of Fuel Cell,Wuhan University of Technology,Wuhan 430070,China;State Key Laboratory of Advanced Technology for Materials Synthesis and Processing,Wuhan University of Technology,Wuhan 430070,China)
基金
Funded in Part by the National Key Research and Development Program of China(2017YFB0102801)。
