A kind of ternary lithium battery safety classification method
A ternary lithium battery, safe technology, applied in the direction of secondary battery, electrolyte battery manufacturing, non-aqueous electrolyte battery, etc., can solve the problems of battery fire and explosion, safety accidents, battery and storage cabinet equipment fire, etc., to avoid hidden dangers , to avoid fire and explosion, to ensure the consistency of the effect
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[0033] In this embodiment, the previous process is converted to 3.7V as an example. The specific steps of capacity division are as follows:
[0034] (1) After the battery is formed and aged, it is transferred to the upper compartment;
[0035] (2) The sub-container detects the battery voltage, which is recorded as V1;
[0036] (3) Set aside for 2 minutes;
[0037] (4) The battery is charged to 4.1V with a constant current of 0.33C;
[0038] (5) Set aside for 5 minutes;
[0039] (6) The sub-container detects the battery voltage, which is recorded as V2;
[0040] (7) The battery is charged to 4.2V with 0.33C constant current and constant voltage;
[0041] (8) Set aside for 5 minutes;
[0042] (9) The battery is discharged to 3.0V at a constant current of 1C, and the discharge capacity Q1 is recorded;
[0043] (10) Set aside for 5 minutes;
[0044] (11) Repeat steps (4) to (8) once;
[0045] (12) The battery is discharged to 3.0V at a constant current of 1C, and the disch...
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