In-situ electrochemical-Raman spectrum measurement system in high-temperature and high-pressure water fluid environment

Abstract

The invention discloses an in-situ electrochemical-Raman spectrum measurement system in a high-temperature and high-pressure water fluid environment, which comprises a high-temperature and high-pressure reaction container, an electrochemical measurement device and a Raman spectrum measurement device, wherein a reaction cavity is arranged in the high-temperature and high-pressure reaction container; the electrochemical measurement device comprises an electrode base, a working electrode assembly, an auxiliary electrode assembly and a reference electrode assembly, the Raman spectrum measurement device comprises an optical window and a working electrode, and in a working state, in-situ electrochemical measurement is carried out through the working electrode assembly, the auxiliary electrode assembly and the reference electrode assembly; and a laser signal is focused on the surface of the working electrode in the reaction cavity through the optical window, and a Raman scattering signal penetrates through the optical window sheet, is received by the Raman probe and is transmitted back to the Raman spectrometer for analysis and processing, so that in-situ electrochemical Raman spectrum measurement in a high-temperature and high-pressure water fluid environment can be carried out, and the research requirements are better met.

Description

technical field [0001] The invention relates to an in-situ electrochemical-Raman spectrum measurement system in a high-temperature and high-pressure water fluid environment, belonging to the technical field of Raman and three-electrode electrochemical measurement. Background technique [0002] Electrochemical measurement technology is one of the few in-situ research methods that can be applied in high-temperature and high-pressure water fluid environments. It uses electrical signals as excitation and detection methods to obtain relevant electrode / electrolyte solutions by measuring current, potential and charge. The structure of the interface, the mechanism and kinetic properties of the electrode process. Due to its high sensitivity, changes in molecular layers occurring at electrochemical interfaces can be detected. However, the traditional electrochemical method has certain limitations. For example, it does not have the ability to characterize specific molecules, and canno...

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Problems solved by technology

[0004] Based on the above, the present invention provides an in-situ electrochemical-Raman spectroscopy measurement system in a high-temperature and high-pressure water fluid environment to solve the problem that existing electrochemical-Raman spectroscopy measurement devices cannot be used efficiently in a high-temperature and high-pressure water fluid environment

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