A large size BiVO₄photoanode with high stability for efficient water oxidation and wastewater treatment coupled with H₂evolution

Abstract

A large size BiVO4 photoanode with high stability for efficient photoelectrochemical water oxidation and TCH degradation coupled with H2 evolution.

Tandem cells for unbiased photoelectrochemical water splitting

“…To achieve commercially viable rates of hydrogen production, it is necessary to scale up the area of the photoelectrodes and redesign the corresponding reactor accordingly. 272 However, the uniformity, components, thickness, and other associated properties of the photoelectrode materials, protective layer and catalyst deposition cannot be guaranteed in mass production. Therefore, it is necessary to develop a large area or batch thin-film deposition techniques, 273 to overcome this dilemma.…”

Prompt Hole Extraction Suppresses V5+ Dissolution and Sustains Large-Area BiVO4 Photoanodes for Over 2100 h Water Oxidation

“…Typical J – V and J – t curves show that the NiO x /BiVO 4 achieves a current of 31.6 mA at 1.23 V RHE (Figure S18) and maintains about 90% of its initial current without structural collapse (Figure S12G,H) after continuously working for more than 2100 h (Figure A), which is 5 orders of magnitude longer than that of bare BiVO 4 . As compared in Figure B, the photostability of NiO x /BiVO 4 remarkably outperforms all the reported BiVO 4 -based photoanodes. ,,,,,− …”

HClO‐Mediated Photoelectrochemical Epoxidation of Alkenes with Near 100 % Conversion Rate and Selectivity by Regulating Lattice Chlorine Cycle

“…To understand the factor for enhanced η tran in the SST electrolyte, linear sweep voltammetry (LSV) curves and electrochemical impedance spectroscopy (EIS) of BVO and CoOCl/BVO photoanodes were investigated. As shown in Figure S14, the onset potential of CoOCl/BVO is cathodically shifted by 210 mV compared to BVO photoanode; and the CoOCl/BVO presents the lower charge interfacial transfer resistance (Figure S15 and Table S2), indicating that the CoOCl catalyst can efficiently enhance interfacial oxidation reaction kinetics [24] . To explore the oxidation reaction kinetics in detail, the electrochemical properties of CoOCl and Co(OH) 2 are compared in Figure 2d.…”