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Device and method for electrochemical hydrogen permeation measurement in high-temperature environment

A high-temperature environment, electrochemical technology, used in measurement devices, material electrochemical variables, scientific instruments, etc., can solve problems such as low temperature and can not meet measurement requirements, and achieve the effects of low cost, stable measurement results, and good electrical conductivity.

Active Publication Date: 2020-01-14
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention solves the problem that the devices and methods used in the prior art for electrochemical hydrogen permeation measurement use relatively low temperature and cannot meet the measurement requirements at high temperatures

Method used

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  • Device and method for electrochemical hydrogen permeation measurement in high-temperature environment
  • Device and method for electrochemical hydrogen permeation measurement in high-temperature environment
  • Device and method for electrochemical hydrogen permeation measurement in high-temperature environment

Examples

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Effect test

Embodiment 1

[0032] A device for electrochemical hydrogen permeation measurement in a high temperature environment, comprising a cathode chamber 1, an anode chamber 2, an external circulating constant temperature oil bath device 3, a constant current meter 4, an electrochemical workstation 5 and a data acquisition device 6;

[0033] The opposite sides of the cathode chamber 1 and the anode chamber 2 are all open, and the sealing gasket 7 is glued around the opening, and the opening sides of the cathode chamber 1 and the anode chamber 2 all have flanges 8, and the cathode chamber 1 and the anode chamber 2. The flange 9 clamps the flange 8 so that the sealing gasket 7 fits tightly; the cathode chamber 1 and the anode chamber 2 are filled with an electrolyte, and the electrolyte is organic Alcohol is the matrix, and phosphoric acid and phosphate are dissolved in the matrix; the external circulating constant temperature oil bath device 3 is connected to the interlayer of the cathode chamber 1 a...

Embodiment 2

[0036] A device for electrochemical hydrogen permeation measurement in a high temperature environment, comprising a cathode chamber 1, an anode chamber 2, an external circulating constant temperature oil bath device 3, a constant current meter 4, an electrochemical workstation 5 and a data acquisition device 6;

[0037] The opposite sides of the cathode chamber 1 and the anode chamber 2 are all open, and the sealing gasket 7 is glued around the opening, and the opening sides of the cathode chamber 1 and the anode chamber 2 all have flanges 8, and the cathode chamber 1 and the anode chamber 2. The flange 9 clamps the flange 8 so that the sealing gasket 7 fits tightly; the cathode chamber 1 and the anode chamber 2 are filled with an electrolyte, and the electrolyte is organic Alcohol is the matrix, and phosphoric acid and phosphate are dissolved in the matrix; the external circulating constant temperature oil bath device 3 is connected to the interlayer of the cathode chamber 1 a...

Embodiment 3

[0043] This embodiment adopts 0.2mol / L NaH 2 PO 4 +0.1mol / L H 3 PO 4 Glycerol organic electrolyte, for N-ODS steel (composition is Fe-9.96Cr-2.82W-1.42Mn-0.25V-0.11C+0.3%Ti+0.35%Y 2 o 3 +0.1N(wt%)), to measure the hydrogen permeation performance in a high temperature environment of 80°C, the specific steps include:

[0044] Step 1: Process the N-ODS steel sample to be tested into a circular sheet sample with a diameter of 30mm larger than the sealing gasket 7 of the test device and 20mm in diameter; sandpaper 400, 800, 1000, 1200, 1500, 2000 on both sides of the sample Grinding and polishing, then ultrasonic cleaning with acetone, alcohol cleaning and drying, the measured sample thickness is 0.96mm;

[0045] Step 2: Seal the N-ODS steel sample to be tested between the cathode chamber 1 and the anode chamber 2 through the sealing gasket 7 and the flange 9, and simultaneously place the N-ODS steel, the first auxiliary electrode 11, the second auxiliary electrode 12, The re...

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Abstract

The invention discloses a device and method for electrochemical hydrogen permeation measurement in a high-temperature environment and belongs to the field of electrochemical hydrogen permeation measurement technologies. The device comprises a cathode chamber, an anode chamber, an external circulating constant-temperature oil bath device, a constant current meter, an electrochemical workstation anda data collection device, wherein an electrolytic solution is contained in the cathode chamber and the anode chamber, organic alcohol with a melting point lower than 80 DEG C and a boiling point greater than 150 DEG C is used as a matrix of the electrolytic solution, phosphoric acid and phosphate are dissolved in the matrix, and the organic alcohol can dissolve the phosphoric acid and the phosphate in an 80-150 DEG C working environment. The test method comprises the steps that a sample is fixed into a double-electrolytic cell, the electrolytic solution is added into the cathode chamber and the anode chamber, and the external circulating constant-temperature oil bath device is utilized to maintain an electrochemical hydrogen permeation test in the cathode chamber and the anode chamber inthe 80-150 DEG C high-temperature environment. Through the device and method, the problem that electrochemical hydrogen permeation is unavailable under the temperature of 80 DEG C or above is solved,the temperature range of the electrochemical hydrogen permeation test is expanded, and important scientific research value is obtained.

Description

technical field [0001] The invention belongs to the technical field of electrochemical hydrogen permeation measurement, and in particular relates to a device and method for electrochemical hydrogen permeation measurement in a high-temperature environment. Background technique [0002] Hydrogen permeation measurement technology will face problems such as hydrogen and its isotope penetration and damage, whether it is a system fueled by hydrogen, or a thermonuclear fusion reactor and a hybrid reactor system fueled by deuterium or tritium, which may not only cause huge economic Losses can also pose a serious threat to human life and health. Therefore, in order to solve the problem of hydrogen permeation, it is very important to develop hydrogen permeation measurement technology. [0003] Liquid-phase electrochemical hydrogen permeation measurement technology is widely used in the determination of hydrogen permeation performance due to its simple equipment, good sealing, low cos...

Claims

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Application Information

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IPC IPC(8): G01N13/04G01N27/30G01N27/26
CPCG01N13/04G01N27/26G01N27/30
Inventor 索进平卢辉许珏鑫蔡基利严子芝许高永
Owner HUAZHONG UNIV OF SCI & TECH
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