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"Activation" problem of lithium ion battery, activating nickel-hydrogen charging battery. In the use of a lithium ion battery, it should be noted that the battery is placed in a sleep state. At this time, the capacity is below the normal value, which is also shortened.
However, the lithium-ion battery can activate the battery to restore normal capacity as long as it passes through 3-5 normal charge and discharge cycles; the nickel-hydrogen rechargeable battery has a slight memory effect. It is best to use the battery to extend battery life. This article describes the "activation" problem of lithium-ion battery and activating nickel-hydrogen charging battery method.
The "activation" problem of lithium-ion batteries cannot use a high voltage to activate the lithium ion battery because its protective voltage of its protective plate is a sustain, and the high voltage will burn the MOS tube on the protective plate, and the activation of the lithium-ion battery The positive and negative electrode of the charger directly charges the positive and negative electrodes of the battery. When the voltage rises to the lower line voltage of the protective plate, the protective plate will work properly, and the charge and discharge is made. When the lithium-ion battery is used in the first time, the activation work has been completed before the factory.
The process of activating the lithium-ion battery in the process must be completed without "overcharge" protection circuit. The inside of the lithium-ion battery now has its own protection circuit, and the inside of the charger also has "overcharge" protection circuit, so it is said that the lithium-ion battery is activated according to the charging method introduced by the store. The normal activation method of lithium-ion battery protectors is charging, this state is that the protective board is still in an abnormal situation, which is not discharged from the protective board.
At this time, there is no use, only to let protect the protector first. The reason for the work is activated, and some of the recovered protector can activate themselves as long as the abnormal protection is released, and it can be. The true activation process of the lithium ion battery is such that the lithium-ion battery case is insertion of electrolyte, sealing, and then discharge, so that several circulation makes the electrode sufficiently infiltrate electrolyte sufficient activation until the capacity reaches the requirements, that is, the factory is later lithium.
Ion batteries are already activated in the hands of the user. Activate nickel-hydrogen charging battery method 1, new battery capacity activation: 3 complete charge and discharge, wherein the charging mode is preferably 0.1c, because the battery is not activated, the large current charge can cause the electrode.
s damage. In theory, when charging is charged, if the battery charges are more than 40%, they can be used first, and if they are less than 40%,. 2, the old battery to deactivate activation: The nickel-hydrogen battery that has increased in this internal resistance can be activated using a large current discharge, and the short-circuit test is usually made, and the current in the short circuit is large, the NiMH battery is also It will slowly heat, stop discharge when the battery body reaches 40 ¡ã C, etc.
When the temperature is restored to normal, the short-circuit discharge process is completed after the battery voltage dropped to 1.0V. In general, the new nickel hydrogen battery contains only a small amount of electricity.
After you purchase, you should charge it first and then use it; but if the battery factory is very short, it is recommended to use it first and then charge it. The newly bought nickel-hydrogen battery can generally go through 3-4 times of charging and use performance to play the best state. Although the memory effect of the nickel-hydrogen battery is small, it is still recommended that everyone will charge each other.
If the purpose of activating the opening of the old nickel-hydrogen battery is different, you cannot use short-circuit fault experiments to activate new batteries. The old nickel hydride battery is used for a long time to decline, and more internal metal electrodes that have a reasonable and effective output of a reasonable amount of capacitance have increased the oxidative resistance of the battery to increase the internal resistance of the battery, and the capacitance decrease is irreversible, and thus it is reduced. Battery internal resistance is the key to activating the open old nickel-hydrogen battery, otherwise the old nickel-hydrogen battery will increasing the use of electricity appliances.
The above is a method of activating a lithium ion battery and a method of activating a nickel-hydrogen charge battery. Due to the characteristics of the lithium-ion battery itself, it determines that there is almost no memory effect. Therefore, the new lithium ion battery in the user's mobile phone is not particularly method and equipment.
Pay special attention not to mix the nickel-hydrogen charger with lithium electric chargers, and some do not charge more than "multi-function".
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