A kind of internalization process of lead storage battery
A technology of internalization of lead-acid batteries, applied in the direction of lead-acid batteries, lead-acid battery construction, secondary batteries, etc., can solve problems such as waste of energy, achieve the effects of reducing costs, eliminating energy waste, and prolonging battery life
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Embodiment 1
[0026] Get 6-DZF-20 battery semi-finished product, adopt the method of the present invention to add acid and form, the sample preparation process is as follows:
[0027] 1) Add acid, add acid with a density of 1.25g / cm2 to the lead acid battery to be added 3 The sulfuric acid solution, the volume of acid addition is 225ml / cell, and the acid addition method is carried out by vacuum, the vacuum degree is -0.08MPa, and the vacuum is 3 times. After adding acid, the battery is immediately placed in a cooling water tank at 5-15°C to cool down for 20-30 minutes.
[0028] 2) Put the acid-added battery in the formation water tank with the water bath temperature controlled at 20-30°C for 0.5-1 hour, then start the first-stage formation process, at 3.6A (the current density is 5mA / cm 2 ) Constant current charging for 20h (charging capacity 72Ah, 3.6C).
[0029] 3) The circulating cooling water can be turned off 2 hours before the end of the first stage of formation, so that the temperat...
Embodiment 2
[0033] Get 6-DZF-20 battery semi-finished product, adopt the method of the present invention to add acid and form, the sample preparation process is as follows:
[0034] 1) Add acid, add acid with a density of 1.25g / cm2 to the lead acid battery to be added 3 The sulfuric acid solution, the volume of acid addition is 225ml / cell, and the acid addition method is carried out by vacuum, the vacuum degree is -0.08MPa, and the vacuum is 3 times. After adding acid, the battery is immediately placed in a cooling water tank at 5-15°C to cool down for 20-30 minutes.
[0035] 2) Put the acid-added battery in the formation water tank with the water bath temperature controlled at 20-30°C for 0.5-1 hour, then start the first-stage formation process, at 2.16A (the current density is 3mA / cm 2 ) Constant current charging for 35h (charging capacity 75.6Ah, 3.78C).
[0036] 3) The circulating cooling water can be turned off 2 hours before the end of the first stage of formation, so that the temp...
Embodiment 3
[0040] Get 6-DZF-20 battery semi-finished product, adopt the method of the present invention to add acid and form, the sample preparation process is as follows:
[0041] 1) Add acid, add acid with a density of 1.25g / cm2 to the lead acid battery to be added 3 The sulfuric acid solution, the volume of acid addition is 225ml / cell, and the acid addition method is carried out by vacuum, the vacuum degree is -0.08MPa, and the vacuum is 3 times. After adding acid, the battery is immediately placed in a cooling water tank at 5-15°C to cool down for 20-30 minutes.
[0042] 2) Put the acid-added battery in the formation water tank with the water bath temperature controlled at 20-30°C for 0.5-1 hour, then start the first-stage formation process, with 2.88A (the current density is 4mA / cm 2 ) Constant current charging for 27.8h (charging capacity 80Ah, 4C).
[0043] 3) Turn off the circulating cooling water 2 hours before the end of the first stage of formation, so that the temperature of...
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