Issue 34, 2023

Coupling Cu doping and oxygen vacancies in Co3O4 for efficient electrochemical nitrate conversion to ammonia

Abstract

Electrochemical conversion of nitrate to NH3 not only eliminates nitrate pollution in the environment, but also produces highly valuable NH3. Herein, Cu-doped Co3O4 with abundant oxygen vacancies (Cu–Co3O4−x) was prepared on carbon cloth. The as-fabricated Cu–Co3O4−x can selectively reduce nitrate to NH3 with high Faraday efficiencies (around 90%) and a large NH3 yield of 0.83 mmol h−1 cm−2 in a neutral electrolyte.

Graphical abstract: Coupling Cu doping and oxygen vacancies in Co3O4 for efficient electrochemical nitrate conversion to ammonia

Supplementary files

Article information

Article type
Communication
Submitted
23 Febr. 2023
Accepted
02 Apr. 2023
First published
03 Apr. 2023

Chem. Commun., 2023,59, 5086-5089

Coupling Cu doping and oxygen vacancies in Co3O4 for efficient electrochemical nitrate conversion to ammonia

B. Li, P. Xue, Y. Bai, Q. Tang, M. Qiao and D. Zhu, Chem. Commun., 2023, 59, 5086 DOI: 10.1039/D3CC00864A

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