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In Situ XAFS Reaction Cell
01 In-situ XAFS Reaction Cell: Model EC-XAFS-T
This is an X-ray absorption fine structure (XAFS) spectropic electrochemical in-situ cell for transmission/fluorescence mode, designed to study the structural changes of catalysts during electrocatalysis. The working electrode (WE) is placed at the transmission window, allowing X-rays to penetrate the working electrode and the electrolyte solution of adjustable thickness.
Scope of application
▷The device is suitable for in-situ electrochemical testing of XAFS (transmission mode and fluorescence mode);
▷Quartz material can be used to process to achieve in-situ testing of photoelectrocatalytic conditions;
▷ It can pass through various reaction atmospheres, such asCO2,O2, etc.;
▷ The main body of this in-situ pool is made of PEEK material, which is corrosion-resistant, acid-resistant and alkali-resistant, and can be quickly assembled and disassembled, which is easy to clean;
▷ Window diameter: 14mm, Kapton film for optical window;
▷The thickness of the liquid level between the working electrode and the light window can be adjusted to balance the internal resistance of the reaction and the signal-to-noise ratio of the test;
▷ The working electrode is a sheet electrode (carbon paper) with an area of 1.5*3cm2;
▷Reference electrode (such as Ag/AgCl, etc.) and counter electrode (such as carbon rod, etc.) are standard, which can be customized.
02 In-situ electrocatalytic reaction cell for fluorescence X-ray absorption spectroscopy: model EC-XAFS-F
This is an electrocatalytic cell specially designed for synchrotron XAFS line stations (Lytle fluorescence detectors) that can detect structural changes in the catalyst in situ in fluorescence mode XAFS.
Scope of application
▷The device is suitable for fluorescence mode XAFS in-situ electrochemical testing;
▷ Light can be added to achieve photocatalytic reaction conditions;
▷The main body of this in-situ cell is made of PEEK or acrylic, with a volume of about 70mL, which can be quickly assembled and injected into the solution;
▷Window size: 10*10mm2;;
▷ At an angle of 45° with the X-ray incident light, the optical window is Kapton film;
▷Reference electrode (such as Ag/AgCl, etc.) and counter electrode (such as carbon rod, etc.) are standard, which can be customized.
03 In-situ cell of secondary battery: Model BAT-XAFS-T
This is an in-situ transmission cell for studying the structural changes of cathode materials during the charge-discharge process, and realizes in-situ XAFS, XRD, infrared or Raman testing.
Scope of application
▷This device is designed for lithium-ion or other secondary batteries, ensuring that XAFS data (transmission mode) or XRD data (transmission mode) can be collected synchronously during the normal operation of the battery;
▷ It can be easily disassembled, assembled, quick to use, and easy to clean in the glove box;
▷ Good overall sealing;
▷Window diameter: 16mm; It is equipped with imported high-purity Be window, and the electrode concentricity is <0.1mm;
▷This device can be recycled.
04 High temperature and high pressure in-situ cell: Model HC-XAFS-T
This is a model designed to study the structural changes of electrode materials in thermocatalytic experiments. The working electrode (WE) is placed at the fluoroscopy window, allowing the X-rays to penetrate the working electrode.
Scope of application
▷ Achieve higher pressure);
▷Achieve accurate temperature control of 1°C;
▷ This in-situ cell can be used for transmission mode in-situ XAFS testing;
▷Flexible control of stepped heating, and can be introduced into various reaction atmospheres, real-time monitoring of phase changes under heating conditions;
▷Window diameter: 13mm; The optical window is the Be window, and the sample piece is a powdery disc.
▷ Equipped with circulating cooling device, the circulating water temperature is controlled at 25°C.
05 Mobile Phase Electrocatalytic In-situ Cell: Model LIQ-XAFS-
This is an in-situ flow cell to study the structural changes of catalysts during electrocatalysis at high mass transfer velocities. The sandwich structure is used to construct the gas-solid-liquid interface to realize the gas-liquid separation during the reaction.
Scope of application
▷ Cells 1 and 3 are bipolar plates, with a serpentine flow path on the inner side, which can effectively improve the electrolyte concentration on the surface of the catalyst.
▷ The pool body 1 and 2 are separated by anion exchange membranes, which are anode and cathode, respectively;
▷Between cell body 2 and 3 is a gas diffusion electrode, and the serpentine outpouring in cell body 3 is used for gas flow.
06 Liquid phase high temperature in-situ cell: model LIQHC-XAFS-R
This is an in-situ cell designed to study the real-time structural changes of catalytic materials in a liquid-phase high-temperature environment, and can be used with a Lytle fluorescence ionization chamber.
Scope of application
▷Quartz cavity for easy observation of reactions;
▷Achieve accurate temperature control of 1°C;
▷Equipped with gas phase inlet and outlet;
▷ Good sealing;
▷It can be equipped with a diaphragm pump for circulation or magnet stirring.
07 Reflective In-situ Electrocatalytic Reaction Cell: Model EC-XAFS-F
This is an electrocatalytic reactor specially designed for synchrotron radiation XAFS line stations, which can detect the structural changes of catalysts under electrocatalytic conditions in real time through fluorescence mode.
Scope of application
▷The device is suitable for in-situ testing of XAFS in electrochemical fluorescence mode;
▷ Light can be added to achieve photocatalytic reaction conditions;
▷The main body of this in-situ pool is made of PEEK or quartz, which is corrosion-resistant, acid-resistant and alkali-resistant, can be quickly assembled and disassembled, and is easy to clean;
▷Window size: 10*10mm, 45° angle with X-ray incident light, X-ray optical window using Kapton film;
▷Reference electrode (such as Ag/AgCl, etc.) and counter electrode (such as carbon rod, etc.) are standard, which can be customized.
08 Reflective Photocatalytic In-situ Cell: Model Pho-XAFS-R
This is an in-situ cell designed to study the real-time structural changes of catalytic materials in a photocatalytic environment, using PEEK material, which is corrosion-resistant and has good sealing.
Scope of application
▷ Suitable for in-situ testing of XAFS in fluorescence mode;
▷ Quartz window, high transmittance;
▷Can be equipped with multi-wavelength LED lights;
▷Equipped with gas phase inlet and outlet;
▷ Good sealing;
▷PEEK or quartz material, good sealing;
▷Can be equipped with diaphragm pump for circulation.
09 Transmission photocatalytic in-situ cell: Model Pho-XAFS-T
This is an in-situ cell designed to study the real-time structural changes of catalytic materials in a photocatalytic environment, using PEEK material, which is corrosion-resistant and has good sealing.
Scope of application
▷ Suitable for transmission mode XAFS in-situ testing;
▷ Quartz window, high transmittance;
▷ The thickness of the liquid film can be controlled;
▷ Can be equipped with multi-wavelength LED lights;
▷ Equipped with gas phase inlet and outlet;
▷ Good sealing;
▷ PEEK or quartz material, good sealing;
▷ Can be equipped with a diaphragm pump for circulation.
