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Adhesion test in batteries

Adhesion tests are crucial to ensure that the electrode coating material does not crack or detach from the current collector during use. These tests help evaluate the adhesion strength and lifespan of electrodes, which is important to prevent battery failures. Common tests include 90° peel tests and 180° peel tests.

Purpose

One of the most common causes of battery failures is the cracking or detachment of the electrode coating material from the current collector.

This problem is usually caused by mechanical stress during use and the constant charging and discharging of the battery. It is crucial to evaluate the adhesion strength of electrodes before and after accelerated aging to ensure that a battery does not fail prematurely.

For new designs, it is important to understand how electrode adhesion is affected by different binders and elements. The two most common tests to characterize adhesive properties and monitor production materials for electrodes are 90° peel tests and 180° peel tests.

Method

Adhesion peeling tests based on the standards ISO 8510-1, ISO 8510-2, ASTM D3359-23, ASTM D6862 and ASTM D903

Delivery

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Service

Adhesion test for batteries: standard 90° and 180° peel tests

Instrument

Power / torque sensors

Metrology Area

Force and torque

Price

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Christian Carlsson

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Christian Carlsson

Enhetschef

+46 10 516 55 42

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Azadeh Soroudi

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+46 10 722 33 53

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