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What is high temperature and humidity testing?

Views: 0     Author: Site Editor     Publish Time: 2023-08-02      Origin: Site

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The high temperature and high humidity test of Nickel–metal hydride battery is:


After the battery is fully charged, store it under constant temperature and humidity conditions for several days, and observe whether there is any leakage during the storage process.


The high temperature and humidity test for lithium batteries is: (National Standard)


Charge the battery 1C at a constant current and voltage of 4.2V, with a cut-off current of 10mA, and then place it in a constant temperature and humidity box at (40 ± 2) ℃ with a relative humidity of 90% -95% for 48 hours. Remove the battery and let it stand for 2 hours at (20 ± 5) ℃. Observe the appearance of the battery and there should be no abnormalities. Then discharge the battery at a constant current of 1C to 2.75V. Then, perform 1C charging and 1C discharging cycles at (20 ± 5) ℃ until the discharge capacity is not less than 85% of the initial capacity, But the number of cycles should not exceed 3.


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