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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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CHINESE JOURNAL OF STRUCTURAL CHEMISTRY
ISSN: 0254-5861
CN: 35-1112/TQ
Year: 2020
Issue: 2
Volume: 39
Page: 287-293
0 . 8 9 3
JCR@2020
5 . 9 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
ESI HC Threshold:160
JCR Journal Grade:4
CAS Journal Grade:3
Cited Count:
WoS CC Cited Count: 12
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1
Affiliated Colleges: