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Nitrogen Doped Carbon as Efficient Catalyst toward Oxygen Reduction Reaction |
YANG Wei-Guang;GONG Zhi-Wei;CHEN Yan-Ning;CHEN Ru-Ru;MENG Dong-Li;CAO Min-Na |
a (College of Chemistry, Fuzhou University, Fuzhou 350108, China)
b (State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China) |
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Abstract A kind of nitrogen-doped carbon (NC) nanomaterials was prepared via calcining the nitrogen-rich organic molecular glycoluril under nitrogen atmosphere. Elemental analysis result indicates the N content of the obtained NC is 13.9 wt.%. Electrochemical measurement demonstrated that the obtained NC catalyst is an efficient ORR electrocatalyst in alkaline electrolyte. The process of ORR is dominated by a four-electron transfer pathway with the most efficient catalytic activity. In addition, the NC catalyst exhibits excellent stability and good resistance to methanol poisoning. After 10000 s of chronoamperometric durability test, the relative current of NC catalyst retained as high as 95%. This work provides a new strategy for the preparation of cost-effective ORR catalysts with high catalytic performance.
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Received: 06 May 2019
Published: 12 February 2020
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Fund:Financial support from the National Key R&D Program of China (2017YFA0206800, 2017YFA0700100),the NSFC (21573238, 21571177, 21520102001), Key Research Program of Frontier Science, CAS (QYZDJ-SSW-SLH045) and “Strategic Priority Research Program” of the Chinese Academy of Sciences (XDB20000000) |
Corresponding Authors:
mncao@fjirsm.ac.cn.
E-mail: mncao@fjirsm.ac.cn
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