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Advanced Materials

Nitrogen-Enriched Core-Shell Structured Fe/Fe3C-C Nanorods as Advanced Electrocatalysts for Oxygen Reduction Reaction

Authors

  • Zhenhai Wen,

    1. Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, 53211, USA
    2. Max-Planck-Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany
    Current affiliation:
    1. These authors contributed equally to this work.
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  • Suqin Ci,

    1. Department of Civil Engineering & Mechanics, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, 53211, USA
    2. Key Laboratory of Jiangxi Province for Ecological Diagnosis-Remediation and Pollution Control, Nanchang Hangkong University, Nanchang, 330063, PR China
    Current affiliation:
    1. These authors contributed equally to this work.
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  • Fei Zhang,

    1. Department of Civil Engineering & Mechanics, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, 53211, USA
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  • Xinliang Feng,

    Corresponding author
    1. Max-Planck-Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany
    2. College of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, PR China
    • Max-Planck-Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany
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  • Shumao Cui,

    1. Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, 53211, USA
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  • Shun Mao,

    1. Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, 53211, USA
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  • Shenglian Luo,

    1. Key Laboratory of Jiangxi Province for Ecological Diagnosis-Remediation and Pollution Control, Nanchang Hangkong University, Nanchang, 330063, PR China
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  • Zhen He,

    Corresponding author
    1. Department of Civil Engineering & Mechanics, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, 53211, USA
    • Department of Civil Engineering & Mechanics, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, 53211, USA
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  • Junhong Chen

    Corresponding author
    1. Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, 53211, USA
    • Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, 53211, USA.
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Abstract

A cost-effective route for the preparation of Fe3C-based core-shell structured catalysts for oxygen reduction reactions was developed. The novel catalysts generated a much higher power density (i.e., three times higher at Rex of 1 Ω) than the Pt/C in microbial fuel cells. Furthermore, the N-Fe/Fe3C@C features an ultralow cost and excellent long-term stability suitable for mass production.

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