Gas‑flow in‑situ Raman spectroscopy test cell

1. Product purpose

1) It is widely applicable to electrochemical in‑situ Raman spectroscopy research on cathode materials of lithium‑air batteries, sodium‑air batteries and zinc‑air batteries.

2) The cell is suitable not only for in‑situ Raman characterization during charge‑discharge processes, but also for phase‑transition studies during cyclic voltammetry and linear sweep voltammetry tests.

3) The cell enables dynamic spectral monitoring of continuous changes in electrochemical reactions. It is suitable for chemical‑reaction systems under controlled‑atmosphere conditions, as well as continuous in‑situ monitoring of gas‑solid multiphase‑reaction samples.

4) The cell can be extended to Raman imaging research on electrode surfaces.

5) Equipped with standard gas ports and reliable gas‑tight performance, the cell supports multi‑instrument combined measurements of Raman spectroscopy with mass spectrometry, gas chromatography and other equipment.

2. Product features

1) Cavity diameter: 50 mm, thickness: 18 mm; window thickness: 0.5 mm, window diameter: 8 mm; distance from the outer surface of the window to the top surface of the sample: 2.5 mm; mountable sample diameter: 18 mm (sample area adjustable).

2) The cavity is sealed with an O‑ring to provide reliable sealing performance for long‑term cyclic tests outside the glove box.

3) The cavity body is made of PEEK, featuring acid‑alkali resistance and high‑temperature resistance.

4) Reusable device, easy‑to‑operate, compact‑sized and convenient for assembly and disassembly.

5) Replaceable optical windows: sapphire, quartz glass.

6) The optical window provides high light transmittance with low signal loss.

7) Gas is supplied from the top for gas‑phase reactions. Standard‑size gas pipelines facilitate connection with chromatographs, mass spectrometers and infrared equipment.

8) Optional full‑transmission Raman accessory is available for high‑resolution optical transmission imaging.

9) User‑friendly design for easier laser focusing.

10) Laser spot focusing can maximize Raman signal intensity. Compatible with most mainstream Raman instruments without equipment modification, and suitable for lasers of various wavelengths.