Fig. 6: A flow reactor-based PTEI system for continuous ammonia production and purification.
From: Photothermal-electrocatalysis interface for fuel-cell grade ammonia harvesting from the environment
a Schematic diagram of the photothermal-electrocatalysis interface for a cascade plasma ionization air generator in a flow-type electrolytic cell. b Long-term stability testing of the system at −0.6 V vs. RHE under illumination with the light power density of 200 mW cm−2 in 1 M KOH as supporting electrolytes. c Ammonia concentration extracted from air or simulated wastewater over 24 h. d Use of ammonia extracted from air or simulated wastewater in a direct ammonia fuel cell, with both cathode and anode utilizing Pt/C with a loading of 0.4 mg PGM cm−2.
