能源化学(英文) ›› 2017, Vol. 26 ›› Issue (6): 1174-1180.DOI: 10.1016/j.jechem.2017.06.013

• Articles • 上一篇    下一篇

Two-step pyrolysis of ZIF-8 functionalized with ammonium ferric citrate for efficient oxygen reduction reaction

Yifan Yea,b, Fan Caia,b, Chengcheng Yana,b, Yanshuo Lic, Guoxiong Wanga, Xinhe Baoa   

  1. a State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;
    b University of Chinese Academy of Sciences, Beijing 100049, China;
    c School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, Zhejiang, China
  • 收稿日期:2017-05-31 修回日期:2017-06-29 出版日期:2017-11-15 发布日期:2017-11-24
  • 通讯作者: Guoxiong Wang,E-mail addresses:wanggx@dicp.ac.cn;Xinhe Bao,E-mail addresses:xhbao@dicp.ac.cn
  • 基金资助:

    This work was supported by the National Natural Science Foundation of China (Grants 21573222, 21622607, 91545202 and U1532117), the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB17020200), CAS Youth Innovation Promotion and K. C. Wong Education Foundation in Ningbo University.

Two-step pyrolysis of ZIF-8 functionalized with ammonium ferric citrate for efficient oxygen reduction reaction

Yifan Yea,b, Fan Caia,b, Chengcheng Yana,b, Yanshuo Lic, Guoxiong Wanga, Xinhe Baoa   

  1. a State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;
    b University of Chinese Academy of Sciences, Beijing 100049, China;
    c School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, Zhejiang, China
  • Received:2017-05-31 Revised:2017-06-29 Online:2017-11-15 Published:2017-11-24
  • Contact: Guoxiong Wang,E-mail addresses:wanggx@dicp.ac.cn;Xinhe Bao,E-mail addresses:xhbao@dicp.ac.cn
  • Supported by:

    This work was supported by the National Natural Science Foundation of China (Grants 21573222, 21622607, 91545202 and U1532117), the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB17020200), CAS Youth Innovation Promotion and K. C. Wong Education Foundation in Ningbo University.

摘要: Zeolitic imidazolate frameworks (ZIFs) are widely employed in catalyst synthesis as parental materials for electrochemical energy storage and conversion. Herein, we have demonstrated a facile synthesis of highly efficient catalyst for oxygen reduction reaction in both alkaline and acidic medium, which is derived from ZIF-8 functionalized with ammonium ferric citrate via two-step pyrolysis in Ar and NH3 atmosphere. The results reveal that the catalytic activity improvement after NH3 pyrolysis benefits from mesoporedominated morphology and high utilization of Fe-containing active sites. The optimum catalyst shows excellent performance in zinc-air battery and polymer electrolyte membrane fuel cell tests.

关键词: Zeolitic imidazolate frameworks, Two-step pyrolysis, Oxygen reduction reaction, Zinc-air battery, Polymer electrolyte membrane fuel cell

Abstract: Zeolitic imidazolate frameworks (ZIFs) are widely employed in catalyst synthesis as parental materials for electrochemical energy storage and conversion. Herein, we have demonstrated a facile synthesis of highly efficient catalyst for oxygen reduction reaction in both alkaline and acidic medium, which is derived from ZIF-8 functionalized with ammonium ferric citrate via two-step pyrolysis in Ar and NH3 atmosphere. The results reveal that the catalytic activity improvement after NH3 pyrolysis benefits from mesoporedominated morphology and high utilization of Fe-containing active sites. The optimum catalyst shows excellent performance in zinc-air battery and polymer electrolyte membrane fuel cell tests.

Key words: Zeolitic imidazolate frameworks, Two-step pyrolysis, Oxygen reduction reaction, Zinc-air battery, Polymer electrolyte membrane fuel cell