03/03/2023
Lithium-ion batteries are rechargeable batteries that are commonly used in electronic devices such as smartphones, laptops, and electric vehicles. Like any other rechargeable battery, a Lithium-ion battery can lose charge over time when it is not in use. This is known as self-discharge.
Self-discharge occurs because of a process known as parasitic load, which is caused by the chemical reactions that occur within the battery. Even when a Lithium-ion battery is not being used, small currents are still flowing within the battery that can cause self-discharge. The rate of self-discharge varies depending on a number of factors, such as the temperature, the state of charge, and the age of the battery.
Generally, Lithium-ion batteries have a low self-discharge rate compared to other types of rechargeable batteries. However, self-discharge can still occur over time, particularly if the battery is not stored properly or is exposed to high temperatures.
To minimize self-discharge, it is recommended to store Lithium-ion batteries at room temperature, ideally between 20°C and 25°C. It is also recommended to store the battery at a partial state of charge, typically between 40% and 60%. This helps minimize the battery's stress and slow down the self-discharge process.
In summary, self-discharge is a natural process that occurs in Lithium-ion batteries due to parasitic load. The self-discharge rate can vary depending on various factors, and storing the battery at a partial state of charge and at room temperature can help minimize self-discharge.
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