The MSR rotating disc ring electrode device consists of a disc electrode, a concentric ring electrode, and a rotating shaft, which are on the same plane and isolated by insulating material. Disk electrodes are typically used to load the material being studied, while ring electrodes are typically made of platinum or gold.
1、 Device structure
1. Basic structure: The MSR rotating disk ring electrode device consists of a disk electrode, a concentric ring electrode, and a rotating shaft, which are on the same plane and isolated by insulating material. Disk electrodes are typically used to load the material being studied, while ring electrodes are typically made of platinum or gold.
2. Design points: In order to achieve excellent electrode performance, the rotating ring disk electrode has special requirements in terms of machining accuracy, transmission device, speed measurement system, geometric shape, concentricity, and insulation performance of the ring electrode and disk electrode.
2、 Working principle
1. Basic principle: The rotating disk electrode is a product of the combination of electrode theory and fluid dynamics. Its working principle is based on material transfer and current density controlled by electrochemically active substances, and the movement of these substances follows the laws of fluid dynamics.
2. Functional application: By rotating the electrode, the mass transfer process on the electrode surface can be controlled, making the electrode reaction more uniform and controllable. Meanwhile, the device can be used to study the intermediate products of electrode reactions and the mechanism of electrode processes.
3、 Technical parameters
1. Speed: 50-10000rpm, motor power 0.02 horsepower, using silver carbon brush contact connection, display accuracy error: ± 1%,
2. Control: Split control, detachable structure, easy to place in glove box. Equipped with signal input/output interfaces, the speed can be controlled by inputting external signals (from the electrochemical workstation); The speed signal can be output to testing equipment (oscilloscope) or used to control other devices
3. Explosion proof: The latest explosion-proof design ensures personal and equipment safety
4. Rotating rod: length 170mm, outer diameter 15mm, suitable for various electrolytic cells, easy to use with other instruments, and there are also different types of rotating rods for different research purposes
5. Disk electrode: External thread design for better contact and stable signal transmission. Disk electrode diameter: 5.0mm, electrode outer diameter: 15mm. Operating temperature: room temperature with high temperature option available
6. Disk ring electrode: External thread design for better contact and stable signal transmission. There are two materials available, Teflon and PEEK, which are suitable for different applications. Disk ring clearance<=320 μ m. Disk ring size accuracy: 0.01mm. Disk diameter: 5.61mm, ring inner diameter: 6.25mm, ring outer diameter: 7.92mm. Operating temperature: room temperature, with high temperature options available
7. Experimental function: Research and evaluation of hydrogen fuel cell catalysts; Research on lithium air batteries; Electrochemical kinetics research; Research on Oxygen Reduction Reaction (ORR) and Oxygen Evolution Reaction (OER); Evaluation and research of corrosion inhibitors; Research on Corrosion Potential of Metal Materials, CO2 Electrocatalysis.
4、 Application Fields
It has a wide range of applications in the field of electrochemistry, including but not limited to:
1. Research and Evaluation of Hydrogen Fuel Cell Catalysts: Evaluate the performance of catalysts by simulating the working environment in fuel cells.
2. Research on Lithium Air Batteries: Investigating the electrochemical behavior of batteries during charging and discharging processes.
3. Electrochemical kinetics research: exploring the kinetic processes of electrode reactions, such as oxygen reduction reaction (ORR), oxygen evolution reaction (OER), etc.
4. Research on Metal Corrosion: Investigating the corrosion behavior and mechanism of metal materials in specific environments.
5. Research on Electroplating Additives: Exploring the Mechanism and Performance of Electroplating Additives.
5、 Operation and maintenance
1. Operation: It is usually used in conjunction with an electrochemical workstation to control experimental conditions by adjusting parameters such as speed and potential.
2. Maintenance: Regularly clean the electrode surface, check the insulation performance and the working status of the transmission device to ensure the accuracy and stability of the device.
In summary, the rotating disk ring electrode device is an important tool in electrochemical research, and its structure and working principle make it widely applicable in multiple fields.