An in situ DRIFTS study on nitrogen electrochemical reduction over an Fe/BaZr0.8Y0.2O3−δ-Ru catalyst at 220 °C in an electrolysis cell using a CsH2PO4/SiP2O7 electrolyte

Yao, Yuan; Fujiwara, Naoya; Tada, Shohei; Kikuchi, Ryuji

doi:10.1039/d2ra00224h

RSC Adv.

2022

DOI: 10.1039/d2ra00224h

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An in situ DRIFTS study on nitrogen electrochemical reduction over an Fe/BaZr_0.8Y_0.2O_3−δ-Ru catalyst at 220 °C in an electrolysis cell using a CsH₂PO₄/SiP₂O₇ electrolyte

Yuan Yao

Naoya Fujiwara

Shohei Tada

et al.

Abstract: In situ DRIFTS measurements of an Fe/BZY-Ru cathode catalyst in an electrolysis cell using a CsH2PO4/SiP2O7 electrolyte were carried out in a mixed N2–H2 gas flow under polarization.

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Interfacial Engineering of Mo_xS_y via Boron‐Doping for Electrochemical N₂‐to‐NH₃ Conversion

Alsabban,

Peramaiah,

Genovese

et al. 2024

Advanced Materials

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The electrocatalytic synthesis of ammonia (NH3) through the nitrogen reduction reaction (NRR) under ambient temperature and pressure is emerging as an alternative approach to the conventional Haber–Bosch process. However, it remains a significant challenge due to poor kinetics, low nitrogen (N2) solubility in aqueous electrolytes, and the competing hydrogen evolution reaction (HER), which can significantly impact NH3 production rates and Faradaic efficiency (FE). Herein, a rationally designed boron‐doped molybdenum sulfide (B‐Mo‐MoxSy) electrocatalyst is reported that effectively enhances N2 reduction to NH3 with an onset potential of −0.15 V versus RHE, achieving a FE of 78% and an NH3 yield of 5.83 µg h⁻¹ cm⁻2 in a 0.05 m H2SO4(aq). Theoretical studies suggest that the effectiveness of NRR originates from electron density redistribution due to boron (B) doping, which provides an ideal pathway for nitrogenous species to bind with electron‐deficient B sites. This work demonstrates a significant exploration, showing that Mo‐based electrocatalysts are capable of facilitating artificial N2 fixation.

show abstract

Interfacial Engineering of Mo_xS_y via Boron‐Doping for Electrochemical N₂‐to‐NH₃ Conversion

Alsabban,

Peramaiah,

Genovese

et al. 2024

Advanced Materials

View full text Add to dashboard Cite

show abstract

Asymmetric empty orbitals in ZrO2-BCN for enhancing electrocatalytic hydrogenation of nitrogen to ammonia

Guo,

Zhou,

Zhu

et al. 2024

Applied Surface Science

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Enhancing electrochemical N2 reduction at mild conditions with FexOy co-deposited on amorphous MoS2

Almeida,

Mascaro

2024

Electrochimica Acta

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An in situ DRIFTS study on nitrogen electrochemical reduction over an Fe/BaZr_0.8Y_0.2O_3−δ-Ru catalyst at 220 °C in an electrolysis cell using a CsH₂PO₄/SiP₂O₇ electrolyte

Abstract: In situ DRIFTS measurements of an Fe/BZY-Ru cathode catalyst in an electrolysis cell using a CsH2PO4/SiP2O7 electrolyte were carried out in a mixed N2–H2 gas flow under polarization.

Cited by 3 publications

References 19 publications

Interfacial Engineering of Mo_xS_y via Boron‐Doping for Electrochemical N₂‐to‐NH₃ Conversion

Interfacial Engineering of Mo_xS_y via Boron‐Doping for Electrochemical N₂‐to‐NH₃ Conversion

Asymmetric empty orbitals in ZrO2-BCN for enhancing electrocatalytic hydrogenation of nitrogen to ammonia

Enhancing electrochemical N2 reduction at mild conditions with FexOy co-deposited on amorphous MoS2

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An in situ DRIFTS study on nitrogen electrochemical reduction over an Fe/BaZr0.8Y0.2O3−δ-Ru catalyst at 220 °C in an electrolysis cell using a CsH2PO4/SiP2O7 electrolyte

Abstract: In situ DRIFTS measurements of an Fe/BZY-Ru cathode catalyst in an electrolysis cell using a CsH2PO4/SiP2O7 electrolyte were carried out in a mixed N2–H2 gas flow under polarization.

Cited by 3 publications

References 19 publications

Interfacial Engineering of MoxSy via Boron‐Doping for Electrochemical N2‐to‐NH3 Conversion

Interfacial Engineering of MoxSy via Boron‐Doping for Electrochemical N2‐to‐NH3 Conversion

Asymmetric empty orbitals in ZrO2-BCN for enhancing electrocatalytic hydrogenation of nitrogen to ammonia

Enhancing electrochemical N2 reduction at mild conditions with FexOy co-deposited on amorphous MoS2

Contact Info

Product

Resources

About

An in situ DRIFTS study on nitrogen electrochemical reduction over an Fe/BaZr_0.8Y_0.2O_3−δ-Ru catalyst at 220 °C in an electrolysis cell using a CsH₂PO₄/SiP₂O₇ electrolyte

Interfacial Engineering of Mo_xS_y via Boron‐Doping for Electrochemical N₂‐to‐NH₃ Conversion

Interfacial Engineering of Mo_xS_y via Boron‐Doping for Electrochemical N₂‐to‐NH₃ Conversion