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We are designing and modifying the reactors for the photoelectrochemical and electrochemical reactions and the in-situ reactors for the relevant reaction.
Flow cell reactor
The low solubility of CO2 in the electrolyte limits the conversion efficiency and the possibility of practical application of CO2 reduction reaction. Flow cell creates the three-phase interface and increases the CO2 concentration around catalysts to enhance the overall catalytic current and meet the criteria for the practical level.
Membrane electrode assembly
Membrane electrode assemblies can reduce the internal resistance in the cell to improve the energy efficiency. The non-liquid environment in the cathode chamber also reduces the interference of liquid flow to improve the overall catalytic stability. The catalytic environment inside the MEA is divergent from that of conventional H-type reactor, leading to the unique catalytic mechanism and activities.
In-situ cell for X-ray absorption spectroscopy
The measurement in a typical three-electrode setup as the same condition in electrochemical characterization case was performed in a specially designed Teflon container with a window sealed by Kepton tape. X-ray was allowed to transmit through the tape and electrolyte, so that the signal of X-ray absorption spectroscopy would be collected in total-fluorescence-yield mode.
Ref: Hung, S.-F. J. Am. Chem. Soc. 2018, 140, 17263-17270.
In-situ flow cell for X-ray absorption spectroscopy
The measurement in a typical flow cell as the same condition in electrochemical characterization case was performed using a window sealed by Kepton tape. X-ray was allowed to transmit through the tape and electrolyte, so that the signal of X-ray absorption spectroscopy would be collected in total-fluorescence-yield mode.
Ref: Hung, S.-F. Catal. Sci. Technol. 2022, accepted.
In-situ cell for X-ray diffraction
The measurement in a typical three-electrode setup as the same condition in electrochemical characterization case was performed in a specially designed Acrylic container with a 1 millimeter of gap, sealed by Kepton tape. 16 keV of the incident X-ray was allowed to perpendicularly transmit through the sample and electrolyte, so that the signal of synchrotron X-ray diffraction of transmission mode would be collected ina large Debye-Scherrer camera.
Ref: Hung, S.-F. ACS Energy Lett. 2019, 4, 2813-2820.
In-situ cell for gaseous (photo)catalysis
In situ measurement can be collected in a homemade reactor for gaseous (photo)catalysis. In this design, high-quality results of X-ray absorption spectroscopy can be obtained even in the case of the catalysts with low concentration during the gaseous catalysis.
Ref: Yuan, L.; Hung, S.-F. ACS Catal. 2019, 9, 4824-4833.