Single particle mechanical properties test system

System background and significance:

At the microscopic scale, the electrode is composed of nano-scale or micron scale particles, so the inherent particle characteristics of the electrode material play a decisive role in the electrochemical performance of the battery. In order to obtain electrode materials with ideal electrochemical component performance, it is particularly important to test the mechanical properties of particle materials. The single-particle mechanical properties test system can quickly and accurately obtain the mechanical properties parameters of particles, such as crushing force, crushing strength, etc., which helps to deeply understand the relationship between material properties and battery properties, so as to guide the battery design and manufacturing process. Improve battery performance and life.

System composition and working principle:

The single particle mechanical property testing system is usually composed of optical microscope, pressure measuring system, displacement measuring system, force displacement control system, etc. Through high precision displacement and pressure control, the system can collect the stress-strain curve after the indenter is loaded on a single particle, and analyze the crushing force of the particle from the abrupt point of the curve. During the test, the operator can observe the morphology of the particles during compression in real time with the help of an optical microscope.

System features:

High-precision measurement: The system adopts high-precision displacement and pressure measurement technology to ensure the accuracy of the test results.

Real-time observation: Through the optical microscope, the operator can observe the morphological changes of the particles in the compression process in real time, providing an intuitive basis for analysis.

Multiple test modes: The system provides a variety of test modes, such as control displacement test stress, control pressure test displacement, etc., to meet different test requirements.

Customized test: The system can design customized test mode according to the characteristics of lithium particles to improve the pertinency and effectiveness of the test.

Data preservation and analysis: During the test process, the system can automatically save the test data and generate the corresponding test report, which is convenient for subsequent data analysis and processing.