18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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What is the purpose of lithium-ion battery pack formation?

source:Industry News release time:2024-03-01 Hits:     Popular:AG11 battery

  

  Transformation is the process of charging a lithium-ion battery pack after it is first produced, in order to activate the battery. Its purpose is similar to formatting a floppy disk. The battery can only start normal charging and discharging after its formation is completed. Simply put, the principle is to charge the battery for the first time, activate the active substances inside the battery, and generate a dense film on the anode surface to protect the entire chemical interface.

  The temperature of lithium-ion battery formation process is important because it affects the viscosity and conductivity of the electrolyte, as well as the ion diffusion rate of the electrode material, which affects the formation effect. Generally, the higher the formation temperature, the lower the viscosity of the electrolyte, the higher the conductivity of the electrolyte, and the faster the ion diffusion rate of the electrode material. Therefore, the smaller the polarization, the better the formation effect; After formation, the voltage of the battery is in an unstable stage, slightly higher than the true voltage. The purpose of aging is to make its voltage more accurate and stable.


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