Table 1 Comparison of electrically driven N

2 reduction to NH3 demonstrations at ambient temperature and pressure.

ReferenceProduction rate
(mg/hour)		Demonstration size
(geometric area,
catalyst loading)		Faradaic
efficiency
(%)
(38)0.0211 cm2, 1 mg/cm28
(32)0.00476.25 cm2, 3.5 mg/cm22
(39)0.0000630.25 cm2, 146 μg/cm260
(40)0.000161 cm2, 0.33 mg/cm24
This study0.441 mm2, catalyst free100