Lithium ion Battery Cell Nail Penetration Test

 

The nail penetration test for lithium-ion battery cells refers to testing the safety and protective performance of lithium-ion battery cells by inserting needles or other sharp objects into the battery cell shell. This type of test is one of the important means to evaluate the resistance and protective performance of battery cells to external forces. The following are the relevant contents of the needle puncture test for lithium-ion battery cells:

 

1. Testing equipment: This test requires the use of professional high-precision needle piercing testing instruments, which have the characteristics of high accuracy, good stability, and strong repeatability. During testing, the appropriate needle diameter should be selected based on the battery cell model, usually 3 mm, 5 mm, etc.

  

2. Test method: Before testing, the battery cell should be charged to the standard voltage and then placed on the test bench. Adjust the corresponding testing parameters, such as the speed, depth, and time of the needle, and then insert the needle into the battery cell shell to test its normal operation, temperature changes, internal pressure, and current changes in the battery.

3. Test results: The results of the battery cell nail penetration test mainly include the degree of shell deformation, internal temperature changes, internal pressure of the battery, current changes, and other information. When evaluating the safety and protective performance of battery cells, analysis and judgment should be based on the test results.

 

4. Attention to safety: When conducting needle puncture tests, relevant operating procedures and safety precautions should be followed, such as wearing protective gloves and protective clothing. After the test is completed, the testing equipment must be cleaned and maintained, and the battery cells must be properly handled and disposed of.

 

In summary, the nail penetration test of lithium-ion battery cells is an important testing method for evaluating the safety and protective performance of lithium batteries. Before conducting the test, it is necessary to select appropriate testing equipment and parameters, and strictly follow the operating procedures and safety precautions to ensure the accuracy and safety of the test.


Click to know more details: 

https://belltestchamber.com/battery-test-chamber/battery-crush-nail-penetration-tester

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