期刊
JOURNAL OF SOLID STATE CHEMISTRY
卷 253, 期 -, 页码 227-230出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2017.05.042
关键词
Coordination polymer; Carbon nanotube; Oxygen evolution reaction; Overpotential; Electrocatalysis
资金
- National Natural Science Foundation of China [51402261, 51602301, 51672251]
- Science Foundation of Zhejiang Sci-Tech University (ZSTU) [13012138-Y]
- Zhejiang Provincial Top Key Academic Discipline of Textile Science and Engineering
- Qianjiang Talents Plan of Zhejiang Province [QJD1502019]
- Science and Technology Department of Zhejiang Province Foundation [2017C37017]
In this paper, we reported the fabrication of Co-embedded nitrogen-doped carbon nanotube (Co-NCNT) by using Co-melamine coordination polymer (CP) as precursor. The sample was well characterized via SEM, TEM, XRD, XPS and BET methods. The Co-NCNT shows excellent and stable catalytic performance for OER. The overpotential of Co-NCNT at 10 mA cm(-2). is 370 mV (vs RHE). The current density of Co-NCNT could reach 100 mA cm(-2) at overpotential of 520 mV, which showed much better performance than RuO2, while the largest current density of RuO2 could reach is only 44 mA cm(-2). The Tafel slope of Co-NCNT is 56 mV dec(-1), which is smaller than that of commercial RuO2 (58 mV dec(-1)). The results indicate that metal-melamine based CPs or MOFs can be promising precursors for the preparation of efficient metal-embedded nitrogen-doped carbon materials for electrocatalysis.
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