At present, most lithium-ion batteries in the industry market, such as 18650 cylindrical lithium batteries, use combination caps containing various components such as thermistors (PTC) and working current cutoff mechanisms (CID).
The packaging of lithium-ion batteries is divided into two categories: metal shell cells and soft pack cells. The production process of lithium battery pack cells is divided into three major sections: electrode piece production,
18650 lithium battery is a commonly used lithium-ion battery in electronic products, often used as a battery cell in laptop batteries.
The common 18650 lithium batteries are divided into lithium-ion batteries and lithium iron phosphate batteries. Lithium ion batteries have a nominal voltage of 3.7V and a charging cut-off voltage of 4.2V.
SOH refers to the capacity, health, and performance status of a battery. Simply put, it is the ratio of performance parameters to nominal parameters after a period of use.
The production of lithium batteries used to be Japan's strong point, but now the rise of Chinese and Korean companies has attracted worldwide attention.
The most important step in the charging and discharging process of lithium battery packs is the balancing step, which requires protection against charging overvoltage,
Lithium battery packs, due to their inherent characteristics, do not have memory effects and can be charged and discharged at will. However, why are there still so many accidents of lithium battery explosions and bulges?
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