Ammonia is not only an important raw material for industry and agriculture but also a carbon-free energy carrier with high energy density. Traditional ammonia synthesis relies on the Haber-Bosch process under extreme conditions, leading to substantial energy consumption and greenhouse gas emissions. Electrochemical reduction of nitrate (NO 3 À reduction reaction [RR]) to ammonia can simultaneously produce valuable ammonia and eliminate nitrate pollution from the environment and has therefore attracted global attention. In this paper, we summarize recent progress in the field of NO 3 À RR, including the reaction mechanism, electrocatalyst development, reactor designs, and practical applications. New coupling reactions for removing NO 3 À together with other contaminants are also introduced briefly. Finally, the future prospect of NO 3 À RR, particularly the critical requirement to enable practical application of the technique, is put forward. This paper provides a timely summary of the research progress and offers important guidance for researchers in the field of environmental remediation and clean energy.

Wenye Zhong

Zhiheng Gong

Peiyan Chen

Qiwu Cao

Xueming Liu

Yan Chen

Zhang Lin

Chem Catalysis

Electrochemical reduction of nitrate to ammonia: From fundamental understanding to practical applications

硝酸盐电化学还原为氨：从基础理解到实际应用

Electrochemical reduction of nitrate to ammonia: From fundamental understanding to practical applications

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Journal Info

Category	Quartile
CHEMISTRY, PHYSICAL	1