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Ionic liquid system electrochemical process in-situ research device

An ionic liquid and electrochemical technology, applied in the field of electrochemical analysis, can solve the problems of insufficient understanding of physical and chemical microscopic changes, and achieve the effect of compact structure, high degree of operation automation and reasonable design

Inactive Publication Date: 2013-07-10
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although people have made a lot of achievements in the research of electrochemical deposition in ionic liquids, the understanding of the physical and chemical microcosmic changes of ionic liquids, solutes, electrode products and other components in the electrochemical deposition process is very insufficient.

Method used

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  • Ionic liquid system electrochemical process in-situ research device
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  • Ionic liquid system electrochemical process in-situ research device

Examples

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Effect test

Embodiment 1

[0031] Example 1: Using the device of the present invention to detect the morphology of electrodeposited aluminum in ionic liquid and the change of electrolyte

[0032] The ionic liquid adopts [BmimCl] / AlCl 3 In the system, an aluminum wire with an outer diameter of 1 mm is installed on the counter electrode, and the quartz crystal oscillator of the working electrode is made of quartz crystal sputtered platinum. First, install the counter electrode aluminum wire on the right side of the in-situ photoelectrochemical cell, fix the platinum quartz crystal oscillator in the quartz crystal microbalance reactor, install the quartz crystal microbalance reactor under the in-situ photoelectrochemical cell, and fix it. . Insert the poly in situ infrared probe into the reactor socket 1, fix and seal it with a sealing gasket to ensure that the reactor does not leak, and use a multifunctional automatic adjustment bracket to fix the extended part of the infrared probe. After the infrared ...

Embodiment 2

[0033] Embodiment 2: Using the device of the present invention to detect changes in the electrolyte during the electrolysis of metals in ionic liquids

[0034] The ionic liquid uses [EmimCl] / AlCl 3 system, the counter electrode 9 is equipped with cylindrical glassy carbon with an outer diameter of 1 mm, and the quartz crystal oscillator is made of quartz crystal sputtered platinum. First, install the counter electrode glassy carbon on the right side of the in-situ photoelectrochemical cell, fix the platinum quartz crystal oscillator in the quartz crystal microbalance reactor, install the quartz crystal microbalance reactor under the in-situ photoelectrochemical cell, and fix it. . Insert the poly in situ infrared probe into the reactor socket 1, fix and seal it with a sealing gasket to ensure that the reactor does not leak, and use a multifunctional automatic adjustment bracket to fix the extended part of the infrared probe. After the infrared probe is fixed, use the three-d...

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Abstract

The invention relates to an ionic liquid system electrochemical process in-situ research device. According to the device, an in-situ photo-electrochemical tank is adopted as a core. Under the control and adjustment of a multifunctional automatic adjusting rack, devices such as a flow injection analyzer, an in-situ infrared spectrometer, a Raman spectrometer, a metallurgical microscope, a multi-channel electrochemical workstation, a quartz crystal microbalance, and the like can be applied in combination. Detection liquid is placed in the in-situ photo-electrochemical tank, and a reaction process is subjected to real-time monitoring by using a computer control system. With the device provided by the invention, on a basis of conventional electrochemical tests, morphology, structure, composition, concentration change characterizations upon electrode surface / interface sediment, electrolyte, decomposition products, gas product, and the like can be realized, and powerful support can be provided for ionic liquid electrochemical process researches. The device has the characteristics of compact structure, high operation automation degree, precise detection, reasonable design, and the like.

Description

technical field [0001] The invention relates to a device suitable for in-situ research on the electrochemical process of an ionic liquid system, which belongs to the technical field of electrochemical analysis. Background technique [0002] As a new kind of green solvent, ionic liquid has been widely concerned in various fields of chemistry, and has become one of the scientific frontiers and research hotspots of contemporary chemistry. Ionic liquid is a kind of low-temperature molten salt (melting point is usually lower than 100°C), generally composed of organic cations such as imidazole and inorganic or organic anions. Due to this special structure, ionic liquids have many excellent physical and chemical properties that are difficult to match with traditional solvents, such as a wide electrochemical window, extremely low vapor pressure, high electrical conductivity, and chemical stability. The use of ionic liquids as electrolytes in electrochemistry, on the one hand, can o...

Claims

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Application Information

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IPC IPC(8): G01N27/27
Inventor 吕兴梅刘恋蔡迎军张锁江张香平
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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