Main functions of the equipment:
It is mainly used for testing and analyzing the mechanical properties of metal and non-metal materials such as tensile, compression, bending, puncture, peeling, tearing, etc. It has three closed-loop control methods of stress, strain, and displacement, which can obtain the maximum force and tensile strength. , Bending strength, compression strength, elastic modulus, elongation at break, yield strength and other parameters.
According to GB, ISO, JIS, ASTM, DIN and other international standards, test and provide test data.
Standards that this equipment meets:
Testing machine standard: electronic universal testing machine GB/T 16491-2022
Metrological verification standard: JJG475-2008
Test method standards met: GB/T 1040-2006, GB/T 1041-1992, GB/T 1042-1992, ASTMD3763-10, NASATM2010-216099, GB/T21302-2016 "General Rules for Packaging Composite Films and Bags", GB/T1040.3-2006 "Testing the tensile properties of plastics", ASTM D882-10, etc.
Lithium battery separator test instructions:
The mixed puncture strength test is the force that the electrode mixture receives when the electrode mixture pierces the diaphragm and causes a short circuit. The method can refer to NASATM2010-216099 "BatterySeparatorCharacterizationandEvaluationProceduresforNASA'S AdvancedLithium-ionBateries" or GB/T21302-2016 "General Rules for Packaging Composite Films and Bags". The mixed puncture strength is generally used to evaluate the probability of a short circuit in a battery. Since the diaphragm of a lithium ion battery is in contact with the rough surface of the positive and negative electrodes, the electrode surface may puncture the diaphragm during the assembly and use of the battery, so the mixed puncture Relative to puncture strength, strength is a dynamic index parameter.
Lithium battery separator puncture resistance test method: install a test piece with a diameter of 100mm on the clamp ring of the sample film, and then use a steel needle with a diameter of 1.0mm and a radius of 0.5mm at the tip of (50±5)mm/min The speed of removing the top puncture, read the load of the steel needle penetrating the test piece. The number of test pieces is more than 5, whichever is the arithmetic average.
