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Advanced Materials· 2025Q1

Robust Oxygen‐Vacancy‐Engineered Co(OH) <sub>2</sub> /Cu Heterostructures Boost Nitrate Electroreduction to Ammonia beyond 2 A cm <sup>−2</sup>

Weijie Mei, Chun‐Wai Chang, Zhiguo Li, Xinyu Wang et al.

Short summary

Engineered oxygen vacancy-enriched Co(OH)2/Cu heterostructures achieve an unprecedented ammonia yield rate of 167.8 mg h−1 cm−2 and 97.7% Faradaic efficiency at current densities over 2 A cm−2 for sustainable ammonia synthesis.

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Field: Catalysis

CatalysisChemical Engineering