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Sm2O3 embedded in nitrogen doped carbon with mosaic structure: An effective catalyst for oxygen reduction reaction

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Listed:
  • Wang, Wei
  • Song, Junnan
  • Kang, Yumao
  • Chai, Dan
  • Zhao, Rui
  • Lei, Ziqiang

Abstract

Exploring non Pt-based catalysts with high ORR performance still remains a great challenge in the development of energy conversion and storage devices. The aim of this study is preparing a novel ORR catalyst (Sm2O3 embedded in nitrogen doped carbon by calcination processes, named as Sm2O3-CN-1100) to substitute Pt catalysts. And the results of this study show that Sm2O3-CN-1100 displays good electrocatalytic activity towards ORR, with high stability, strong tolerance to methanol crossover, and a quasi 4-electron transfer process, making it a promising Pt alternative ORR catalyst. The satisfactory ORR performance would result from the mosaic structure of Sm2O3 embedded in nitrogen doped carbon layer and the strong coupling effect between Sm2O3 and nitrogen doped carbon.

Suggested Citation

  • Wang, Wei & Song, Junnan & Kang, Yumao & Chai, Dan & Zhao, Rui & Lei, Ziqiang, 2017. "Sm2O3 embedded in nitrogen doped carbon with mosaic structure: An effective catalyst for oxygen reduction reaction," Energy, Elsevier, vol. 133(C), pages 115-120.
    • Handle: RePEc:eee:energy:v:133:y:2017:i:c:p:115-120
    DOI: 10.1016/j.energy.2017.05.095
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    Citations

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    Cited by:

    1. Miao, He & Wang, Zhouhang & Wang, Qin & Sun, Shanshan & Xue, Yejian & Wang, Fu & Zhao, Jiapei & Liu, Zhaoping & Yuan, Jinliang, 2018. "A new family of Mn-based perovskite (La1-xYxMnO3) with improved oxygen electrocatalytic activity for metal-air batteries," Energy, Elsevier, vol. 154(C), pages 561-570.
    2. Yuan, Wenjing & Xie, Anjian & Chen, Ping & Huang, Fangzhi & Li, Shikuo & Shen, Yuhua, 2018. "Combustion reaction-derived nitrogen-doped porous carbon as an effective metal-Free catalyst for the oxygen reduction reaction," Energy, Elsevier, vol. 152(C), pages 333-340.
    3. Pan, Siyu & Cai, Zhuang & Yang, Liu & Tang, Bo & Xu, Xin & Chen, Hun & Ran, Lingling & Jing, Baojian & Zou, Jinlong, 2018. "Exposure of sufficient edge sites on well-crystallized MoSe2 induced by nitrogen doping (Mo−Nx) for Pt: Enhanced co-catalytic activity and methanol tolerance for oxygen reduction," Energy, Elsevier, vol. 159(C), pages 11-20.
    4. Han, Chaoling & Chen, Zhenqian, 2021. "Study on the synergism of thermal transport and electrochemical of PEMFC based on N, P co-doped graphene substrate electrode," Energy, Elsevier, vol. 214(C).
    5. Yuan, Wenjing & Xu, Wanghua & Xie, Anjian & Zhang, Hui & Wang, Cuiping & Shen, Yuhua, 2017. "An effective strategy for the preparation of nitrogen-doped carbon from Imperata cylindrica panicle and its use as a metal-free catalyst for the oxygen reduction reaction," Energy, Elsevier, vol. 141(C), pages 1324-1331.

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