Communication—Partial Oxidation of MnS for Synergistic Electrocatalysis of N2-to-NH3 Fixation at Ambient Conditions | Zendy

Peipei Li | Zendy; Dan Cheng | Zendy; Xiaohua Zhu | Zendy; Meiling Liu | Zendy; Youyu Zhang | Zendy

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Communication—Partial Oxidation of MnS for Synergistic Electrocatalysis of N₂-to-NH₃ Fixation at Ambient Conditions

Author(s) -

Peipei Li,

Dan Cheng,

Xiaohua Zhu,

Meiling Liu,

Youyu Zhang

Publication year - 2021

Publication title -

journal of the electrochemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.258

H-Index - 271

eISSN - 1945-7111

pISSN - 0013-4651

DOI - 10.1149/1945-7111/ac3ab8

Subject(s) - electrochemistry , faraday efficiency , electrocatalyst , redox , selectivity , chemistry , partial oxidation , yield (engineering) , inorganic chemistry , materials science , electrode , catalysis , metallurgy , organic chemistry

Compared with the traditional Haber-Bosch process, electrochemical N 2 to NH 3 reduction affords an eco-friendly and sustainable alternative to ambient NH 3 synthesis with the aid of efficient electrocatalysts. In this work, partial oxidation of MnS to obtain the MnS-Mn 3 O 4 is proved as a promising noble-free electrocatalysts of N 2 to NH 3 fixation at ambient conditions. When tested in 0.1 M Na 2 SO 4 , the electrochemical N 2 reduction reaction performance of MnS-Mn 3 O 4 is improved comparing with the MnS, which achieves large NH 3 yield of 16.74 μ g h –1 mg cat. –1 and a high Faradaic efficiency of 5.72%. It also exhibits excellent selectivity of N 2 to NH 3 and strong long-term electrochemical stability.

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