Lithium batteries are widely used in various fields, and the test standard of lithium battery cell is also very important. Through standardized tests, the quality and performance of lithium battery cell can be ensured to meet the requirements, and the safety and reliability of the battery can be improved. The following is a summary of the lithium battery cell test standards.

1. Appearance inspection

• visual inspection is one of the basic requirements of lithium battery cell testing, including whether there is obvious damage, deformation, leakage, etc. on the shell surface.

2. Size measurement

• measure the size of lithium battery cell, including length, width, thickness and other parameters to ensure compliance with the design specifications.

3. Voltage measurement

• voltage is an important indicator to evaluate the cell state of the battery. By measuring the voltage, you can know the battery power and charging and discharging state.

4. Capacity measurement

• capacity is an important performance parameter of lithium battery cell. Capacity measurement can evaluate the battery life and service life.

5. Internal resistance measurement

• internal resistance is an important indicator for evaluating battery performance. Through internal resistance measurement, we can understand the internal resistance of the battery and judge the health status of the battery.

6. Cycle life test

• cycle Life test is an important means to evaluate the cycle charge and discharge performance of the battery. Cycle test is carried out by simulating the actual usage to evaluate the life and stability of the battery.

7. Temperature performance test

• temperature has an important influence on the performance and safety of lithium battery cell. Temperature performance test can evaluate the performance of batteries at different temperatures.

8. Short circuit test

• short circuit is an important consideration for the safety of lithium batteries. Short circuit testing can evaluate the short circuit safety and response capability of batteries.

9. Overcharge/overdischarge test

• overcharge and overdischarge are caused one of the main causes of damage and safety accidents, overcharge/overdischarge tests can evaluate the safety performance of the battery in extreme cases.