Scanning electrochemical microscope experimental device for tests in various environments

A technology of scanning electrochemistry and experimental equipment, which is applied in the field of scanning electrochemical microscope experimental equipment, can solve the problem of inability to scan electrochemical test research kinetic research, the probe cannot move back and forth, left and right, up and down, and cannot reflect the real shape of the working electrode. Appearance and other issues

Inactive Publication Date: 2013-09-18
SOUTHWEST PETROLEUM UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the continuous deepening and refinement of the research, during the experiment, using the set of experimental equipment that comes with the scanning electrochemical microscope has the following disadvantages: (1) Scanning electrochemical testing cannot be performed in a gas or mixed gas environment Experiments, especially the experimental research on the electrochemical reaction process of certain substances on metal materials when simulating metal materials in the formation environment or specific use environment, when there are multiple mixed gases; (2) Scanning under the gas/liquid interface is not poss...

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  • Scanning electrochemical microscope experimental device for tests in various environments
  • Scanning electrochemical microscope experimental device for tests in various environments
  • Scanning electrochemical microscope experimental device for tests in various environments

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Embodiment Construction

[0012] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0013] Referring to the accompanying drawings, the present invention includes: a square glass cover 17 (without upper and lower bottom surfaces), an air intake pipe 7, an exhaust pipe 8, a carrier plate 6 with an electrolytic cell tank 11, a glass cover cover plate 5, a probe 12, Reference electrode 13, counter electrode 14, plastic cone 18, probe holder 19, circular rubber sealing ring 20, square rubber sealing ring 21. Wherein the top of the plastic cone 18 and the probe holder 19 are fixed as a whole with an adhesive, and the probe 12 is placed in the probe hole 22 of the probe holder 19; the square glass cover 17 is a whole formed by casting, including Front, rear, left and right 4 identical side panels; the middle and upper part of the rear side panel 1 has a round hole 9 matching the bottom end of the plastic cone 18 in size, and the bottom end ...

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Abstract

The invention provides an SECM (scanning electrochemical microscope) experimental device for tests in various environments. The SECM experimental device comprises a square glass shield, a gas inlet tube, an exhaust tube, a carrying plate with an electrolytic tank, a glass shield cover plate, a probe, a reference electrode, a counter electrode, a plastic cone, a probe support and rubber sealing rings. The integral square glass shield is formed by means of pouring and comprises a front side plate, a rear side plate, a left side plate and a right side plate which are identical, the carrying plate with the electrolytic tank is mounted at the bottom of the square glass shield, and the glass shield cover plate is placed on the upper portion of the glass shield. The plastic cone with the probe support is fixed into a circular hole of the rear side plate of the square glass shield, the top of the plastic cone can move in front-rear, left-right and up-down directions, and the probe support on the plastic cone can drive the probe to perform scanning and testing in different regions of a working electrode; gas can be injected onto the device via the gas inlet tube, and scanning electrochemical tests can be performed in environments with gas, mixed gas, gas and liquid interfaces and the like. The SECM experimental device is suitable for scanning electrochemical test research on metal materials in the various environments.

Description

Technical field: [0001] The invention relates to a scanning electrochemical microscope experimental device used for testing in various environments (such as liquid environment, gas-liquid coexistence environment, etc.). Background technique [0002] Scanning Electrochemical Microscopy (SECM) was developed in the late 1980s by A. J. A scanning probe microscopy technique proposed and developed by Bard's group. It works on the basis of electrochemical principles, and can measure the electrochemical current given by the oxidation or reduction of substances in the micro-area. It can not only give the topography of the sample surface, but also provide rich chemical information. [0003] Currently, scanning electrochemical microscopy (SECM) is used to study the distribution of chemical or biological activity on the sample surface, the homogeneity of submonolayer adsorption, measure the speed of fast heterogeneous charge transfer, the speed of primary or secondary subsequent react...

Claims

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Application Information

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IPC IPC(8): G01Q60/60
Inventor 刘婉颖林元华邓宽海施太和曾德智朱红钧关天晗易峰武斌王斌杨眉
Owner SOUTHWEST PETROLEUM UNIV
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