Journal
CHEMICAL COMMUNICATIONS
Volume 57, Issue 99, Pages 13562-13565Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc06113e
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Funding
- National Natural Science Foundation of China [22072015]
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A NiO nanosheet array on titanium mesh has been proposed as an efficient catalyst for electrocatalytic NO reduction, achieving high selectivity for NH3 production. Experimental and theoretical calculations reveal the high faradaic efficiency and NH3 yield of the catalyst.
Electrocatalytic NO reduction controls NO emission and produces NH3 under ambient conditions. Herein, a NiO nanosheet array on titanium mesh is proposed as a highly active and selective electrocatalyst for NO reduction, attaining a faradaic efficiency of up to 90% with a NH3 yield of 2130 mu g h(-1) cm(-2). Its aqueous Zn-NO battery can generate electricity with a power density of 0.88 mW cm(-2) and simultaneously offer an NH3 yield of 228 mu g h(-1) cm(-2). The NO electroreduction mechanism on NiO is revealed using theoretical calculations.
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