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Construction of a Heterostructured Alloy–Molybdenum Nitride Catalyst for Enhanced NH3 Production via Nitrate Electrolysis

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    Construction of a Heterostructured Alloy–Molybdenum Nitride Catalyst for Enhanced NH3 Production via Nitrate Electrolysis
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    • Hanwen Liang
      Hanwen Liang
      Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, School of Resources, Environment and Materials, Guangxi University, Nanning 530004, Guangxi, China
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    • Mingying Chen
      Mingying Chen
      Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, School of Resources, Environment and Materials, Guangxi University, Nanning 530004, Guangxi, China
      More by Mingying Chen
    • Yanhong Feng
      Yanhong Feng
      Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, School of Resources, Environment and Materials, Guangxi University, Nanning 530004, Guangxi, China
      More by Yanhong Feng
    • Ge Meng*
      Ge Meng
      Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
      *Email: [email protected]
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    • Jingwen Zhang
      Jingwen Zhang
      Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, School of Resources, Environment and Materials, Guangxi University, Nanning 530004, Guangxi, China
      More by Jingwen Zhang
    • Wenxian Liu*
      Wenxian Liu
      College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
      *Email: [email protected]
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      Orcidhttps://orcid.org/0000-0002-2808-1864
    • Xijun Liu*
      Xijun Liu
      Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, School of Resources, Environment and Materials, Guangxi University, Nanning 530004, Guangxi, China
      *Email: [email protected]
      More by Xijun Liu
      Orcidhttps://orcid.org/0009-0007-7379-3901
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    Inorganic Chemistry

    Cite this: Inorg. Chem. 2025, 64, 3, 1252–1257
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    https://doi.org/10.1021/acs.inorgchem.4c04968
    Published January 14, 2025
    Copyright © 2025 American Chemical Society
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    Abstract

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    Here, we reported a highly efficient nitrate electroreduction (NO3RR) electrocatalyst that integrated alloying and heterostructuring strategies comprising FeCo alloy and Mo0.82N (FeCo-Mo0.82N/NC). Notably, the maximum NH3 Faraday efficiency (FE) of 83.24%, NH3 yield of 12.28 mg h–1 mgcat.–1, and good stability were achieved over FeCo-Mo0.82N/NC. Moreover, a Zn-NO3– battery assembled with FeCo-Mo0.82N/NC exhibited a power density of 0.87 mW cm–2, an NH3 yield of 14.09 mg h–1 mgcat.–1, and a FE as high as 76.31%.

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    Supporting Information

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    The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acs.inorgchem.4c04968.

    • Experimental section, XPS, Raman, and UV/vis absorption spectra, in situ FTIR spectra, corresponding calibration curves, LSV curves, NH3 yields and FEs, CV plots and Cdl measurements, EIS spectra, cycle durability and stability tests, XRD pattern, charge and discharge curves, and comparisons of the experimental data with previous results (PDF)

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    Inorganic Chemistry

    Cite this: Inorg. Chem. 2025, 64, 3, 1252–1257
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.inorgchem.4c04968
    Published January 14, 2025
    Copyright © 2025 American Chemical Society
    Request reuse permissions

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