Electrode reaction optical visualization platform

Abstract

The utility model provides an electrode reaction optical visualization platform, which comprises a laser light path, a laser light source, an electrode reaction tank and a CCD (Charge Coupled Device) camera with a convergent lens at a shooting end are sequentially arranged at the laser light path, a multi-electrode system and electrolyte are arranged in the electrode reaction tank, and a power supply of the multi-electrode system is connected with the laser light source and the CCD camera. When the power supply powers on the electrode, the power supply controls the laser light source to instantaneously irradiate the area where the electrode is located with laser, and controls the CCD camera to shoot the changing area of the electrolyte around the electrode when the electrode is charged and discharged; according to the utility model, laser is used as a light source, a power supply is used as a trigger device, optical visualization information acquisition can be carried out on electrode reaction, and the device can be used for electrolyte optical data acquisition required by electrochemical performance synchronous test requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrochemistry experiment equipment technical field especially is electrode reaction optical visualization platform. BACKGROUND

[0002] In electrochemistry experiment, need based on particle image velocity principle, through instantaneous illumination electrode charge and discharge around electrolyte changes, obtain local current density and electrode interface reaction state, including adsorption phenomenon, diffusion phenomenon and surface nanometer structure change, how to design more in line with above -mentioned demand experiment equipment, it is a research direction. UTILITY MODEL CONTENTS

[0003] The utility model discloses electrode reaction optical visualization platform, with laser as light source, with power supply as trigger device, can carry out optical visualization information collection to electrode reaction, can be used in the electrolyte optical data collection required by electrochemical performance synchronous test requirement.

[0004] The utility model discloses the following technical scheme.

[0005] Electrode reaction optical visualization platform, including laser light path, laser light path place in proper order laser light source, electrode reaction cell and the CCD camera of shooting end with converging lens are established, be equipped with multiple electrode system and electrolyte in the electrode reaction cell, and the power supply of multiple electrode system is linked with laser light source, CCD camera, when the power supply is electrified to electrode, and the power supply control laser light source with laser to the instantaneous illumination of the area where electrode is, and control CCD camera to the change area of the electrolyte around electrode when charging and discharging carries out the photography.

[0006] The laser light source is PIV laser.

[0007] The laser light source is located below electrode reaction cell, and its laser exit direction is perpendicular to electrode reaction cell bottom surface, and electrode reaction cell bottom surface is transparent surface.

[0008] The electrode reaction cell is the transparent container of built-in 6mol / L KOH solution.

[0009] The power supply is the electrochemistry workstation connected with electrode.

[0010] When the electrochemistry workstation supplies power to electrode, the voltage required when the output electrochemistry workstation executes cyclic voltammetry test method.

[0011] The multiple electrode system is three electrode system, and the electrode includes working electrode, counter electrode and reference electrode.

[0012] The working electrode is the electrode containing particulate matter powder structure.

[0013] The counter electrode is platinum sheet electrode.

[0014] The reference electrode is a calomel electrode.

[0015] The utility model discloses a laser as light source, can be in the electrode charge and discharge, through instantaneous irradiation to the change of the electrolyte around electrode imaging, can be used for the optical data acquisition of electrolyte required by the synchronous test of electrochemical performance. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further explained in detail in connection with the drawings and specific embodiment:

[0017] ATTACHED Figure 1 It is the schematic diagram of the utility model:

[0018] In the drawing: 1 - laser light source, 2 - electrode reaction pool, 3 - multi-electrode system, 4 - converging lens, 5 - electrochemical workstation. SPECIFIC EMBODIMENT

[0019] As Figure 1 The electrode reaction optical visualization platform includes laser light path, and laser light path is sequentially provided with laser light source 1, electrode reaction pool 2 and the CCD camera with converging lens 4 at shooting end, the electrode reaction pool is provided with multi-electrode system 3 and electrolyte, and the power supply of multi-electrode system is connected with laser light source and CCD camera, when the power supply is powered to electrode, the power supply controls laser light source to carry out instantaneous irradiation to the area where electrode is located with laser, and controls the CCD camera to carry out shooting to the change area of electrolyte around electrode when electrode is charged and discharged.

[0020] The laser light source is PIV laser.

[0021] The laser light source is arranged below electrode reaction pool, and the laser exit direction thereof is perpendicular to the bottom surface of electrode reaction pool, and the bottom surface of electrode reaction pool is transparent surface.

[0022] The electrode reaction pool is transparent container with 6 mol / L KOH solution built-in.

[0023] The power supply is electrochemical workstation 5 connected with electrode.

[0024] When the electrochemical workstation supplies power to electrode, the voltage required when the electrochemical workstation executes cyclic voltammetry test method is output.

[0025] The multi-electrode system is three-electrode system, and the electrode includes working electrode, counter electrode and reference electrode.

[0026] The working electrode is the electrode with particulate matter powder structure.

[0027] The counter electrode is platinum sheet electrode.

[0028] The reference electrode is a calomel electrode.

[0029] In this example, the electrochemical workstation is built-in for control laser light source, CCD camera, so that it works with the electrode power supply conditions of the synchronization trigger circuit.

[0030] Embodiment:

[0031] This example proposes an electrode interface electrochemical reaction optical visualization system, mainly by laser light path system, three-electrode system and image data acquisition system three parts, as shown.

[0032] In the experiment, the incident laser emitted by the PIV laser is adjusted to be nearly vertical angle into the electrode reaction cell, and then the incident light is converged through the imaging lens and transmitted into the CCD camera, forming an electrochemical reaction light path system.

[0033] In order to achieve the requirement of synchronous test of electrochemical performance, the electrochemical workstation needs to be arranged and connected with the electrode to drive the cyclic voltammetry test.

[0034] The three-electrode system mainly includes working electrode, counter electrode and reference electrode, and is respectively composed of particulate matter powder, platinum electrode and calomel electrode. The electrolyte is selected as 6 mol / L KOH solution.

[0035] When the whole visualization system works, based on the principle of particle image velocimetry, the local current density and the electrode interface reaction state including adsorption phenomenon, diffusion phenomenon and surface nanoscale structure change are obtained by the change of the surrounding electrolyte when the electrode is charged and discharged by instantaneous irradiation.

[0036] The image data acquisition system includes a synchronization trigger control module based on single-chip microcomputer compilation and a host computer module developed by Labview software at the external computer, which realizes the synchronous acquisition and test of image and CV curve data, and the test results can be displayed through the computer.

Claims

1. An optical visualization platform for electrode reactions, characterized in that: The system includes a laser optical path, in which a laser source, an electrode reaction cell, and a CCD camera with a converging lens are sequentially arranged. The electrode reaction cell contains a multi-electrode system and an electrolyte. The power supply of the multi-electrode system is connected to the laser source and the CCD camera. When the power supply powers the electrodes, it controls the laser source to irradiate the area where the electrodes are located instantaneously with a laser, and controls the CCD camera to capture the area of ​​change in the electrolyte around the electrodes during charging and discharging.

2. The electrode reaction optical visualization platform according to claim 1, characterized in that: The laser source is a PIV laser.

3. The electrode reaction optical visualization platform according to claim 1, characterized in that: The laser source is located below the electrode reaction cell, and its laser emission direction is perpendicular to the bottom surface of the electrode reaction cell, which is a transparent surface.

4. The electrode reaction optical visualization platform according to claim 1, characterized in that: The electrode reaction cell is a transparent container filled with a 6 mol / L KOH solution.

5. The electrode reaction optical visualization platform according to claim 1, characterized in that: The power supply is an electrochemical workstation connected to the electrodes.

6. The electrode reaction optical visualization platform according to claim 5, characterized in that: When the electrochemical workstation supplies power to the electrodes, it outputs the voltage required for the electrochemical workstation to perform cyclic voltammetry testing.

7. The electrode reaction optical visualization platform according to claim 5, characterized in that: The multi-electrode system is a three-electrode system, whose electrodes include a working electrode, a counter electrode, and a reference electrode.

8. The electrode reaction optical visualization platform according to claim 7, characterized in that: The working electrode is an electrode containing particulate powder structure.

9. The electrode reaction optical visualization platform according to claim 7, characterized in that: The counter electrode is a platinum sheet electrode.

10. The electrode reaction optical visualization platform according to claim 7, characterized in that: The reference electrode is a calomel electrode.

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