Fig. 3: Raw biomass conversion.
From: Renewable formate from sunlight, biomass and carbon dioxide in a photoelectrochemical cell
a Schematic illustration for the formate production from raw biomass. b LSV curves of different substrates over NiOOH/α-Fe2O3. c HCOO− FEs of different substrates at 1 V for 2 h over NiOOH/α-Fe2O3. d Chronoamperometry data and FEs for HCOO− production at 1 V in sawdust-derived sugar solution over NiOOH/α-Fe2O3 for 100 h. The dashed lines indicate cleaning of photoelectrode and refreshing of electrolyte. NiOOH cocatalyst was reloaded after the 5th cycle. All the experiments were conducted in Ar-purged 1 M aqueous solution of KOH (pH~13.6) under AM 1.5G one-sun illumination. The error bars represent one standard deviation of two independent measurements.
