期刊
ELECTROCHIMICA ACTA
卷 174, 期 -, 页码 1017-1022出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2015.06.057
关键词
Core-shell Structure; Nitrogen-doped Graphene; Nanodiamond; Oxygen Reduction Reaction
资金
- National Natural Science Foundation of China [51272226]
- Key Basic Research Program of Hebei Province of China [14961106D]
Nitrogen-doped graphene (N-G) covering a nanodiamond (ND) was prepared via the thermal conversion of ND followed by a new post-doping treatment. Compared with conventional N-G, the core-shell structure of ND/N-G weakened the stacking of graphene nanosheets. Meanwhile the prepared ND/N-G showed a high level of electrocatalytic activity for oxygen reduction reaction (ORR) and a high electrochemical stability. No metal impurities are expected to be introduced into the N-G through this treatment. There is strong support for N-doped as an important factor to enhance the ORR electrocatalytic activity of carbon materials. (C) 2015 Elsevier Ltd. All rights reserved.
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