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Electrochemical performance detection system and photoelectrochemical performance detection system

A detection system and electrochemical technology, applied in the field of electrochemical and photoelectrochemical detection, can solve problems such as operational errors, cumbersome and long processes, and achieve the effect of avoiding contact

Active Publication Date: 2019-01-22
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the disadvantage of a single reaction cell is that when there are more than one sample, the test of each sample needs to be installed, fixed, added liquid, set the parameters of the electrochemical scan, manually chop, manually set the monochromatic light for IPCE (incident light Converted into photoelectron quantum efficiency) test, etc., the process is cumbersome and long
At present, there is no photocatalytic (electrocatalytic) evaluation device that can perform batch testing on the market, and evaluating batch samples will be an extremely heavy scientific research task
Especially with the development of high-throughput preparation technology, it is often the characterization of dozens or hundreds of samples. When manually characterizing a large number of samples, it often leads to operational errors due to fatigue, etc.

Method used

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  • Electrochemical performance detection system and photoelectrochemical performance detection system
  • Electrochemical performance detection system and photoelectrochemical performance detection system
  • Electrochemical performance detection system and photoelectrochemical performance detection system

Examples

Experimental program
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Embodiment 1

[0053] figure 1 A preferred embodiment of a photoelectrochemical performance detection system according to the present invention is shown. In this embodiment, the photoelectrochemical performance detection system includes a workstation 1 , a brake component 2 , a liquid transmission component 3 , a light source component 4 , a voltage regulator 5 and a control component 9 . The workstation 1 includes an electrochemical cell, a sample stage 12, an electrode device and a gas delivery device.

[0054] Figure 2-4 A preferred embodiment of the electrochemical cell is shown. The electrochemical cell is provided with an elastic element, a first through hole 111 and a second through hole. The bottom of the electrochemical cell is conical, and the first through hole 111 is located at the tip of the conical bottom. A sealing ring 113 is disposed on the first through hole 111 . The elastic element is arranged on the top of the electrochemical cell, and its telescopic direction is c...

Embodiment 2

[0077] In this embodiment, the first through hole is disposed on the side wall of the electrochemical cell. And the side wall of the electrochemical cell provided with the first through hole is tapered, and the first through hole is located at the tip of the tapered shape. Therefore, in this embodiment, the sample stage can be set to be placed vertically, so that the sample in the sample stage is docked with the first through hole. All the other are the same with embodiment 1.

Embodiment 3

[0079] In this embodiment, the electrochemical cell includes a first electrolytic cell, a salt bridge, and a second electrolytic cell connected in sequence, which are H-shaped or n-shaped; the counter electrode and the reference electrode are arranged in the first electrolytic cell; the first through A hole is provided in the second electrolytic cell. Salt bridges are sand cores. The second through hole and the gas delivery pipe on the gas delivery device can be arranged in either the first electrolytic cell or the second electrolytic cell. All the other are the same with embodiment 1.

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Abstract

The invention discloses an electrochemical performance detection system, which includes a workstation and a liquid transmission component; the workstation includes an electrochemical cell, and the electrochemical cell is provided with an elastic element, a first through hole and a second through hole; the expansion direction of the elastic element is consistent with the first through hole. The opening directions of one through hole are consistent; a sealing ring is provided on the first through hole; the second through hole is connected to the liquid transmission component through a liquid transmission pipe, so that the liquid can flow into and / or out of the electrochemical cell from the second through hole. The invention also discloses a photoelectrochemical performance detection system, which includes the above electrochemical performance detection system and a light source component; the light source component includes a beam conduction element; the beam conduction element is configured to extend into the electrochemical cell and cause the The beam is illuminated on the sample through the first through hole. The detection system involved in the present invention greatly liberates manpower, uses automated means to replace manual labor, greatly avoids errors caused by manual operation, and is more reliable and stable.

Description

technical field [0001] The invention belongs to the field of electrochemical and photoelectrochemical detection, and in particular relates to an electrochemical performance detection system and a photoelectrochemical performance detection system. Background technique [0002] With the depletion of fossil resources such as oil, natural gas and coal on the earth, human beings continue to explore the development and utilization of new clean energy. In the field of new energy, hydrogen energy is widely considered to be a very ideal new type of energy due to its abundant reserves in nature, widely present in water, fossil fuels and various carbohydrates, and the characteristics that only water is generated after combustion. clean energy. However, the traditional hydrogen production method consumes a huge amount of conventional energy, thus limiting the use of hydrogen energy. Since the 1970s, Japanese scientists Fujishima and Honda discovered a photocatalytic technology that us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/27
CPCG01N27/27G01N31/10G01N27/305
Inventor 高濂张鹏宋雪峰刘君
Owner SHANGHAI JIAOTONG UNIV
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