Expandable universal material and device electrical property testing system

Abstract

The invention belongs to the technical field of material performance testing, and discloses an expandable universal material and device electrical performance testing system. The system comprises a temperature control module, a test cavity atmosphere control module, a sample clamping module, a sample bending and stretching circulation module, an electrical property acquisition module and a test cavity for accommodating to-be-tested samples, wherein the sample clamping module comprises at least two groups of sample tables at the same time; each group of sample tables comprises a pair of sample tables used for clamping one type of to-be-tested samples in a matched manner, so that at least two types of to-be-tested samples can be tested. According to the invention, through innovative design of the structure of the key assemblies and the internal structure and the setting mode of the key modules, and through innovative improvement of the working cooperation mode of the modules, the problem of electrical performance test of samples of multiple forms and types can be effectively solved compared with the prior art; the system is a general, dynamic and static combined, comprehensive and effective test system.

Description

technical field [0001] The invention belongs to the technical field of material performance testing, and more specifically relates to an expandable general-purpose material and device electrical performance testing system, which can be applied to various forms of materials and device electrical properties (including voltage, resistance, Current and capacitance, etc.) in the time and temperature dimensions of the test, has a wide range of application prospects. Background technique [0002] Under the background of energy crisis and environmental pollution, the development of clean new energy and the improvement of the effective utilization of energy have become two hot spots in the field of energy research. In this context, the research on solar cells, thermoelectric materials, lithium batteries and supercapacitors and other power generation and storage materials and devices is becoming more and more extensive. Therefore, the electrical performance testing of various power ge...

AI Technical Summary

Problems solved by technology

[0003] The existing test systems for materials and devices still have many deficiencies in practical applications: 1) For solar cells, lithium batteries and supercapacitors, etc., most of the existing test systems are based on electrochemical workstations. Electrical signals such as current, internal resistance, and capacitance are tested, and it is impossible to dynamically test the performance and stability of materials and devices (especially flexible devices) in the process of aging, wear, and bending under actual application conditions. This is because The required temperature and dynamic conditions cannot be established; 2) Existing flexible material performance tests are also based on rigid substrates or fixtures, which cannot accurately reflect the actual performance of materials in a flexible state; 3) Flexible materials and device samples cannot be realized Electrical performance testing under bending and tensile dynamic conditions; 4) There is also a lack of general testing systems for flexible and rigid samples. Existing flexible testing equipment and methods also use rigid substrates or fixtures to test flexible samples, which cannot respond Real-world performance on flexible samples

[0004] At the current stage, the main problems of the testing system for the electrical and mechanical properties of various materials are that the function is single and the application limitations are large. Performance characterization requires the use of different equipment for separate tests, which greatly limits the improvement of the efficiency of material development

Moreover, the functional specificity of existing technical equipment leads to limited commercial benefits, and it is impossible to achieve mass production and popularization. Therefore, an expandable general-purpose material and device electrical performance testing system has a wide range of application scenarios and commercial potential

Images