Current Accuracy: ±0.1% of reading
In energy storage and conversion devices, the resistivity of bipolar plate materials has a crucial impact on device performance. Low resistivity indicates good electrical conductivity, which helps improve the energy conversion efficiency and power density of the device. Therefore, low-resistance measurement of bipolar plate materials is highly significant for optimizing material performance and enhancing device performance.
In terms of quality control, the four-probe low-resistance tester for bipolar plate materials can be used for rapid and accurate resistivity measurements of materials on the production line. By setting reasonable resistivity ranges, non-compliant materials can be screened out, ensuring product quality stability and consistency. Additionally, this tester can be used to monitor and optimize production processes, improving efficiency and reducing costs.
Constant Voltage Time: 0-99.9S
Operated via PC software interface, four-probe low-resistance measurement and contact resistance analysis, automatic report generation, automatic acquisition of resistance, resistivity, and conductivity change profiles under pressure variation, sample thickness measurement, automatic calculation, statistical analysis.
Characteristics of Bipolar Plate Materials
Pressure Range: 0-1000kg (0-4MPa).
In energy device fabrication, the four-probe low-resistance tester for bipolar plate materials can be used for screening and quality control of bipolar plate materials. By measuring material resistivity, it ensures that selected materials meet device performance requirements, thereby enhancing overall device performance. Furthermore, this tester can monitor changes in material performance during device fabrication, identifying potential issues promptly and ensuring device quality stability.
Computer and printer configured according to customer requirements;
Four-Probe Testing Principle: The four-probe test method is a non-destructive testing technique used to measure material resistivity. It involves placing four equally spaced probes on the surface of the material, applying a current through the outer two probes using a constant current source, and measuring the voltage drop between the inner two probes to calculate the material's resistivity. The four-probe method offers advantages such as high accuracy, ease of operation, and good repeatability, making it widely used in material resistivity measurement.
Bipolar plate materials are a type of novel material with excellent electrical conductivity, widely used in energy storage and conversion devices such as batteries, fuel cells, and supercapacitors. They feature high specific surface area, good electron transport properties, high chemical stability, and long lifespan. These characteristics give bipolar plate materials significant application potential in the energy sector.
Testing Methods: Four-probe measurement (bulk resistivity) and four-terminal method (contact resistance measurement)
The four-probe low-resistance tester for bipolar plate materials is specifically designed for measuring the resistivity of bipolar plate materials. It employs the four-probe test method and features high precision, high stability, and rapid measurement. This tester plays a vital role in energy material research, energy device fabrication, and quality control.
Standard with optional accessories:
Importance of Low-Resistance Measurement
Overview: Used for measuring and analyzing the bulk resistivity of bipolar plate materials and the contact resistance between bipolar plates and carbon paper.
Power Supply: 220±10% 50HZ/60HZ
Standard accessories: a. One standard calibration resistor; b. One standard height calibration piece
In energy material research, the four-probe low-resistance tester for bipolar plate materials can be used to study the relationship between material conductivity and composition/structure, providing strong support for the design and development of new materials. By measuring material resistivity under different conditions, key parameters such as electron transport properties, carrier concentration, and mobility can be deeply understood, guiding material performance optimization.
Reference Standard: GB/T 20042.6-2011 Proton Exchange Membrane Fuel Cells—Part 6: Test Methods for Bipolar Plate Characteristics, including four-probe low-resistance measurement and contact resistance test methods and requirements;
Pressure Application Method: Automatic
Test Current Range: 0.1μA, 1μA, 10μA, 100μA, 1mA, 10mA, 100 mA
Resistivity Range: 10?? to 2×103 Ω·cm
Sample shape is square (gold-plated electrode 5cm×5cm), area 25cm2 (other specifications customizable)
Software Interface: Resistance, resistivity, sheet resistance, temperature, unit conversion, temperature coefficient, current, voltage, probe shape, probe spacing, thickness, conductivity, resistivity, pressure, etc.
Resistance Accuracy: ≤0.3%
Sheet Resistance Range: 10?? to 2×102 Ω/□
The four-probe low-resistance tester for bipolar plate materials is a device used to measure material resistivity. It has broad applications in materials science, electronic engineering, new energy, and other fields. This article elaborates in detail on the characteristics of bipolar plate materials, the four-probe testing principle, the importance of low-resistance measurement, and the applications of the tester.
Sample Height Range and Accuracy: Height measurement range: 0.001-10.001mm, measurement resolution 0.001mm
Applications of the Four-Probe Low-Resistance Tester for Bipolar Plate Materials
Power Supply: Input: AC 220V±10%, 50Hz? Power Consumption: <30W
Parameter Data
In summary, the four-probe low-resistance tester for bipolar plate materials holds extensive application value in energy material research, energy device fabrication, and quality control. By measuring the resistivity of bipolar plate materials, it provides strong support for technological innovation and industrial development in the energy sector. With continuous technological advancements and increasing application demands, the four-probe low-resistance tester for bipolar plate materials will play an even more important role in the future.
Temperature and Humidity Range: Ambient temperature to 50°C; Humidity: 20%-98%