The answer is that the battery needs to be activated, but this is not what the user wants to do. The electrode is fully infiltrated with electrolytes and fully activated. As the capacity meets the requirements, this is the activation process -tolerance, that is, the battery of different performance (capacity) of the battery is classified, divide the level of the battery, the capacity matching, etc. The lithium ion battery has been activated in the hands of the user.

　　The nickel -cadmium batteries and nickel -hydride batteries that we are commonly used are also exited after the activation. Some of these batteries activation process requires the battery to be in a state of opening, and then seal after activation. This process may only have battery manufacturers to complete.

　　There is a problem here, that is, the battery from the battery factory to the user's hands. This time is sometimes very long. It is short for one month. The battery is best to complete the full charge process of 3-5 times in order to eliminate the passivation of the electrode material and reach the maximum capacity.

　　Among the three national standards of nickel -metal hydride, nickel -cadmium, and lithium ion battery promulgated in 2001, the detection of its initial capacity has clearly stipulated that the battery can be deepened by 5 times. You can stop. This explains the phenomenon I said well.

　　So it is also possible to call it "second activation". The "new" battery used by the user for the first time should be used to make several deep loops as much as possible.

　　However, according to the author's test (for lithium -ion batteries), the storage period of lithium -ion batteries within 1-3 months, which has a deep and deep loop processing of it, and its capacity increase is almost no.

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