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The air permeability testing requirements of the coated polyolefin sintered separator for lithium ion batteries or the separators for lithium ion batteries using other materials are tested according to the testing standards of the national standard GB/T36363-2018.
The standard requirements are detailed for you
.
Air permeability refers to the time it takes for 100 mL of air to pass through the diaphragm with an area of 6.
45 cm² under the pressure of 1.
21 kPa applied by the test instrument in the test temperature, humidity and normal pressure environment
.
Testing equipment: PAPT-B01 air permeability tester Sampling method: The sampled diaphragm packaging should be intact
.
Remove the surface three layers on the film roll, cut samples along the width of the diaphragm, and test the appearance, size, physical properties and electrical properties
.
The diaphragm to be measured should be sealed and packaged to prevent moisture and contamination
.
Fixture preparation: connect the external air source, and adjust the intake pressure to 0.
5~0.
6MPa
.
Before testing, use alcohol or other cleaning solutions to wipe the sealing surfaces of the upper and lower test chambers
.
Test steps: 1.
After the device is powered on and the computer is started, double-click to open the test software, it shows that the communication connection is successful, and the warm-up time is 5 minutes
.
2.
Click the "parameter-new" function, or the new button of the parameter information, confirm or modify the test parameters and click OK.
3.
Place the prepared sample flat between the upper and lower test chambers.
After leveling, click on the test interface.
"Pressure" button, this step must pay attention to safety! 4.
After the test chamber is closed, the pressure begins to rise.
Adjust the pressure adjustment knob on the front panel until the pressure reaches 1.
21kPa.
When adjusting, turn the pressure regulating valve knob slowly, and do not operate too hard
.
5.
When the pressure and flow values are stable, click the "Test" button on the test interface to officially start the test
.
6.
Do not adjust any knobs during the test! 7.
If you need to stop the test in the middle, click the "Stop" button and select OK to end the test
.
8.
When the aggregated volume reaches the set test volume, the test ends automatically, the test result is output, and the upper fixture is automatically lifted
.
The standard requirements are detailed for you
.
Air permeability refers to the time it takes for 100 mL of air to pass through the diaphragm with an area of 6.
45 cm² under the pressure of 1.
21 kPa applied by the test instrument in the test temperature, humidity and normal pressure environment
.
Testing equipment: PAPT-B01 air permeability tester Sampling method: The sampled diaphragm packaging should be intact
.
Remove the surface three layers on the film roll, cut samples along the width of the diaphragm, and test the appearance, size, physical properties and electrical properties
.
The diaphragm to be measured should be sealed and packaged to prevent moisture and contamination
.
Fixture preparation: connect the external air source, and adjust the intake pressure to 0.
5~0.
6MPa
.
Before testing, use alcohol or other cleaning solutions to wipe the sealing surfaces of the upper and lower test chambers
.
Test steps: 1.
After the device is powered on and the computer is started, double-click to open the test software, it shows that the communication connection is successful, and the warm-up time is 5 minutes
.
2.
Click the "parameter-new" function, or the new button of the parameter information, confirm or modify the test parameters and click OK.
3.
Place the prepared sample flat between the upper and lower test chambers.
After leveling, click on the test interface.
"Pressure" button, this step must pay attention to safety! 4.
After the test chamber is closed, the pressure begins to rise.
Adjust the pressure adjustment knob on the front panel until the pressure reaches 1.
21kPa.
When adjusting, turn the pressure regulating valve knob slowly, and do not operate too hard
.
5.
When the pressure and flow values are stable, click the "Test" button on the test interface to officially start the test
.
6.
Do not adjust any knobs during the test! 7.
If you need to stop the test in the middle, click the "Stop" button and select OK to end the test
.
8.
When the aggregated volume reaches the set test volume, the test ends automatically, the test result is output, and the upper fixture is automatically lifted
.
