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Is the decay of the ternary lithium battery really irreversible?

by:Vglory      2021-03-02
Is the decay of a ternary lithium battery really irreversible? The decay rate of a ternary lithium battery is irreversible. Having said that, we still have to start with the structure of the battery. Ternary lithium batteries use ternary polymers, including nickel, cobalt, and manganese (or aluminum) as cathode materials. According to the working principle of the ternary lithium battery, when the battery is charged, the lithium ions in the positive electrode data come out of the positive electrode and enter the negative electrode graphite through the gap; when the battery is discharged, the lithium ions escape from the anode graphite and return through the gap To the anode data. As the charge and discharge progress, lithium ions are continuously inserted and ejected from the positive and negative electrodes. Taking the battery as an example, when the power is exhausted, a charging cycle will be completed during the charging process, resulting in the exhaustion of the battery. For example, the cycle life of a ternary lithium battery is approximately 1000 times. The battery is used once, that is, the total battery life is reduced by one time, leaving 999 times. For example, after each cycle, the battery will have a certain attenuation, which is irreversible. For example, the electrolyte inside a power lithium-ion battery will decompose to a certain extent. When the electrode activity data inside the battery is inactivated, the positive and negative structures inside the battery will be destroyed, resulting in the number of lithium ion embedding and de-embedding. Reduce etc. Comprehensive battery status, as well as the actual use of the battery, if the battery can only perform 1000 charge and discharge cycles, without charge and discharge cycles, the battery pack capacity will appear to be attenuated. According to the driving distance, that is to say, it can only run on full charge. The distance to the first point. Since the decay of the battery is irreversible, as far as the battery is concerned, the appearance of the appendix can only be replaced on the battery. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete.
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