EV battery test - electrode test
6800 Series Universal Material Testing Machine
Instron provides material testing solutions for electrode tests necessary to evaluate the adhesion strength and lifespan of electrodes.
■180-Degree Peel Test The 180° peel test is a method commonly used to determine the adhesive strength of electrodes to the collector. This test can be performed using a peel fixture that has mechanical advantages, allows for easy alignment, and utilizes low-load grips and load cells. To ensure high productivity and accurately perform 180° peeling for each test, the best approach is to use pneumatic grips and metal substrates. ■90-Degree Peel Test The 90° peel test is another method frequently used to test the adhesive strength of battery electrodes. The 90° peel generally requires a slightly higher load compared to the 180° peel, but it allows for quick setup as the substrate can be omitted. The most common solution from Instron for this test is a standard 90° peel fixture or a pneumatic peel fixture developed for adhesive testing of electrodes. The 90° pneumatic peel fixture has improved reproducibility and throughput, allowing operators to consistently position and adjust the test specimens at 90°. In the upper fixture, pneumatic grips optimize throughput and reproducibility, making it ideal for testing delicate materials.
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■Adhesion Test The adhesion test is supported by researchers as an additional method to evaluate the adhesive strength of electrodes to the current collectors inside batteries. Instead of slowly peeling the electrode away from the current collector, the adhesion test focuses on the adhesive strength across a predetermined area of the electrode. In addition to very fast data collection, Instron's adhesion test fixtures ensure the best possible results and productivity. 【Solutions】 ■180-Degree Peel Test ■90-Degree Peel Test ■Adhesion Test *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Instron was founded in 1946 by Harold Hindman and George Bahl, who were conducting joint research at MIT (Massachusetts Institute of Technology) at the time. They developed the world's first electromechanical (screw-type) universal testing machine. The name "Instron" is derived from "instrument" and "electronics." Instron's product range offers diversity that can cater to almost all global markets and industries, and since its establishment, over 70 years of testing technology and manufacturing experience have been built, with more than 50,000 systems operating worldwide. In 1965, Instron Japan was established to support customers in Japan. Currently, it has major bases in the United States, Europe, and Asia, providing sales and services in 40 languages through agents in 160 countries around the world.
