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High performance of metal-organic framework-derived catalyst supported by tellurium nanowire for oxygen reduction reaction

Author

Listed:
  • Wu, Cheng-Hao
  • Wang, Kai-Chin
  • Chang, Sun-Tang
  • Chang, Yu-Chung
  • Chen, Hsueh-Yu
  • Yamanaka, Ichiro
  • Chiang, Tai-Chin
  • Huang, Hsin-Chih
  • Wang, Chen-Hao

Abstract

In this study, a tellurium nanowire (NwTe) structure was synthesized as a template, and then a nanoscale zeolitic imidazolate framework 67 (Nano-Z67) was subsequently grown on it, denoted as Nano-Z67/NwTe. After pyrolyzed at a high temperature, the coordinated cobalt ion of Nano-Z67 and NwTe were transferred into the CoTe nanorods, which were encapsulated by a nitrogen-containing carbon nanowire (CN). The Nano-Z67/NwTe catalyzes the oxygen reduction reaction (ORR) with the electron-transfer number of 3.997 which is high than that of Pt/C with 3.995. The high ORR activity of Nano-Z67/NwTe attributed to the cobalt–nitrogen bond, carbon-nitrogen bond, and the NwTe-templated specific morphology, in which the CN serves as the conductive channel for electron transport. Remarkably, Nano-Z67/NwTe-750 not only demonstrates competitive performance compared with the Pt/C catalyst but also excellent stability.

Suggested Citation

  • Wu, Cheng-Hao & Wang, Kai-Chin & Chang, Sun-Tang & Chang, Yu-Chung & Chen, Hsueh-Yu & Yamanaka, Ichiro & Chiang, Tai-Chin & Huang, Hsin-Chih & Wang, Chen-Hao, 2020. "High performance of metal-organic framework-derived catalyst supported by tellurium nanowire for oxygen reduction reaction," Renewable Energy, Elsevier, vol. 158(C), pages 324-331.
    • Handle: RePEc:eee:renene:v:158:y:2020:i:c:p:324-331
    DOI: 10.1016/j.renene.2020.05.114
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