期刊论文详细信息
Beilstein Journal of Nanotechnology
Nickel nanoparticles supported on a covalent triazine framework as electrocatalyst for oxygen evolution reaction and oxygen reduction reactions
Juri Barthel1  Dennis Dietrich2  Beatriz Giesen2  Christoph Janiak2  Secil Öztürk2  Xiao-Yu Yang3  Jie Ying3  Yu-Xuan Xiao3 
[1] Ernst Ruska-Centrum für Mikroskopie und Spektroskopie mit Elektronen, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany;Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, 40204 Düsseldorf, Germany;State Key Laboratory of Advanced Technology for Materials Synthesis and Processing and School of Materials Science and Engineering, Wuhan University of Technology, 430070 Wuhan, China;
关键词: covalent triazine framework (ctf);    electrocatalysis;    nickel nanoparticles;    oxygen evolution reaction;    oxygen reduction reaction;   
DOI  :  10.3762/bjnano.11.62
来源: DOAJ
【 摘 要 】

Covalent triazine frameworks (CTFs) are little investigated, albeit they are promising candidates for electrocatalysis, especially for the oxygen evolution reaction (OER). In this work, nickel nanoparticles (from Ni(COD)2) were supported on CTF-1 materials, which were synthesized from 1,4-dicyanobenzene at 400 °C and 600 °C by the ionothermal method. CTF-1-600 and Ni/CTF-1-600 show high catalytic activity towards OER and a clear activity for the electrochemical oxygen reduction reaction (ORR). Ni/CTF-1-600 requires 374 mV overpotential in OER to reach 10 mA/cm2, which outperforms the benchmark RuO2 catalyst, which requires 403 mV under the same conditions. Ni/CTF-1-600 displays an OER catalytic activity comparable with many nickel-based electrocatalysts and is a potential candidate for OER. The same Ni/CTF-1-600 material shows a half-wave potential of 0.775 V for ORR, which is slightly lower than that of commercial Pt/C (0.890 V). Additionally, after accelerated durability tests of 2000 cycles, the material showed only a slight decrease in activity towards both OER and ORR, demonstrating its superior stability.

【 授权许可】

Unknown   

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