In-situ Raman detection electrochemical cell for synthesizing hydrocarbon fuel by electro-catalytic CO2 reduction

A hydrocarbon fuel and in-situ Raman technology, applied in the direction of material electrochemical variables, Raman scattering, electrolysis process, etc., can solve the problems of reduced detection sensitivity, large impedance, and fewer electrochemical cells, and achieve liquid replacement and cleaning Convenience, reduced uncompensated impedance, and simple assembly

Inactive Publication Date: 2020-11-06
XI AN JIAOTONG UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Most of the currently used in-situ Raman detection electrochemical cells have a relatively single application range and can meet the requirements of electrocatalytic CO 2 There are few electrochemical cells for in situ Raman detection in the field of reduction synthesis of hydrocarbon fuels
Many in-situ Raman detection electrochemical cells have problems such as large uncompensated impedance, inconvenient electrolyte replacement, and air bubbles on the optical window during the electrochemical test, which leads to a decrease in detection sensitivity.

Method used

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  • In-situ Raman detection electrochemical cell for synthesizing hydrocarbon fuel by electro-catalytic CO2 reduction
  • In-situ Raman detection electrochemical cell for synthesizing hydrocarbon fuel by electro-catalytic CO2 reduction
  • In-situ Raman detection electrochemical cell for synthesizing hydrocarbon fuel by electro-catalytic CO2 reduction

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Embodiment 1

[0041] According to the above structure, a 3D printer is used to process the resin material to prepare an electrocatalytic CO 2 An electrochemical cell for in situ Raman detection of reduced synthetic hydrocarbon fuels. The entire electrochemical cell for in situ Raman detection was performed according to figure 1 After assembly, connect with the reference electrode clip, counter electrode clip and working electrode clip of the electrochemical workstation respectively. The outlet of the reaction liquid in the cell is blocked with a PEEK plug, and the electrolyte is added to the inlet of the reaction liquid, usually a potassium bicarbonate solution saturated with carbon dioxide gas, and the electrocatalytic CO is carried out at different current densities. 2 reduction, and then use a Raman spectrometer to observe the electrode surface through a quartz lens and collect the electrocatalytic CO 2 Reduction of in situ Raman spectroscopy signals during the preparation of hydrocarb...

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Abstract

The invention discloses an in-situ Raman detection electrochemical cell for synthesizing hydrocarbon fuel by electro-catalytic CO2 reduction. The in-situ Raman detection electrochemical cell comprisesa top cover, a cell body and a base. The top cover, the pool body and the base are sequentially connected in series and fastened from top to bottom; a quartz lens is arranged between the top cover and the cell body, and a working electrode is arranged between the cell body and the base. The electrochemical cell is suitable for monitoring the reaction of preparing hydrocarbon fuel through electro-catalysis CO2 reduction under a thin film conductive material system at normal temperature and normal pressure. Compared with the prior art, the in-situ Raman detection electrochemical cell is simple,the electrolyte is convenient to add and replace, the distance between the tail end of the reference electrode and the working electrode is greatly shortened, the uncompensated impedance in the testing process is reduced, and a good effect is achieved in research and mechanism analysis of actual electro-catalytic CO2 reduction.

Description

technical field [0001] The invention belongs to the technical field of spectroscopic instrument accessories, in particular to an electrocatalytic CO 2 An electrochemical cell for in situ Raman detection of reduced synthetic hydrocarbon fuels. Background technique [0002] With the continuous growth of the total energy demand, the total global carbon dioxide emissions continue to increase, causing environmental problems such as the greenhouse effect. In recent years, people have begun to use more and more renewable energy to replace traditional fossil energy through modern technology, and carbon dioxide reduction as a potential energy conversion and storage strategy has attracted widespread attention from researchers. Among them, electrocatalytic reduction is the most effective and potential transformation method. Because electrocatalytic CO 2 Reduction can not only be carried out under normal temperature and pressure conditions, but it is also possible to couple renewable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/65G01N27/28G01N27/30C25B3/04
CPCG01N21/65G01N27/28G01N27/30
Inventor 郭烈锦王峰刘亚
Owner XI AN JIAOTONG UNIV
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