CR1225 battery

　　Battery manufacturers briefly discuss the safety, consistency, and balance of CR1225 battery

　　Battery manufacturers briefly discuss the safety, consistency, and balance of CR1225 battery. In the field of new energy vehicles, CR1225 battery are increasingly widely used due to their relatively high energy density, output power and other characteristics. However, the performance and life of the power lithium battery pack will decrease with continuous use. More importantly, there will be different conditions in different usage environments. This is related to the safety, consistency, and balance of the battery. Let’s analyze the safety, consistency, and balance issues of CR1225 battery.

　　Safety of power lithium battery pack

　　The safety of batteries mainly controls several aspects: during the cell manufacturing process, battery pack integration process, storage process, transportation process, use process, recycling process and material refining.

　　If the safety factors of individual lithium batteries are not considered, the safety problems of lithium battery packs can be avoided as long as each lithium battery has good heat dissipation and the protection circuit is timely and effective. But in fact, this is difficult to achieve, mainly because lithium battery packs place multiple single lithium batteries in a small space, making it difficult to ensure that each lithium battery can dissipate heat well. At the same time, due to the different environments in which each lithium battery is located, its heating conditions are also different. This greatly increases the difficulty of lithium battery management and brings great uncertainty to the lithium battery management system. Once the power management system fails to work properly, the possibility of safety accidents in the lithium battery pack is very high.

　　It can be seen that the safety issues of lithium battery packs can be solved. The use of safer single lithium batteries, reasonable arrangement of lithium battery structures, and powerful lithium battery management systems can minimize the probability of safety accidents.

　　Consistency of power lithium battery pack

　　Lithium-ion power batteries are a key core component of new energy vehicles. The consistency issue between battery packs is particularly important for the life of the power battery pack and the safety of the entire vehicle. In practical applications, due to differences between battery packs, a single cell in the battery pack fails first, which will form a "Donomi effect", causing the entire battery pack to fail as a whole, seriously affecting the safety and use of lithium battery packs. lifespan and threatens the normal use of the vehicle.

　　Since the inconsistency of the battery comes from the internal resistance, capacity and SOC of the battery, and the traditional consistency evaluation method and equalization method use voltage consistency as the control target, it does not effectively increase the available capacity of the battery pack, so it cannot improve the consistency of the battery pack. The adverse effects of sexual problems on the use of battery packs. After research, SOC is used as the reference object for balancing. The balancing object is relatively fixed. Make full use of the balancing time and improve the balancing utilization rate to reduce the balancing current capacity.

　　Balance of power lithium battery pack

　　Based on the active balancing technology lithium power battery pack, no matter whether the lithium power battery pack is charging, discharging or placing, the differences between the lithium power battery cells can be actively balanced within the lithium power battery pack to eliminate the lithium power battery pack. After the batteries are grouped, various inconsistencies occur due to themselves and during use.

　　Lithium battery balancing technology refers to making the comprehensive performance of all batteries in the battery pack consistent through human intervention after the lithium batteries are grouped. The purpose is to ensure that the performance of the battery pack can be fully exerted and to ensure the safety of the battery during use. According to the energy consumption of the circuit during the balancing process, balancing can be divided into two categories: energy dissipation type and energy non-consumption type.

　　The safety performance of lithium-ion power batteries determines its market and future in the field of new energy vehicles. In order to ensure the safety of new energy vehicles, various companies need to continuously improve the safety of lithium battery cells through improved processes and technologies, and need to continuously conduct structural optimization and design analysis of power battery systems. In addition, users also need to use the power battery system correctly and prevent mechanical abuse, thermal abuse and electrical abuse to ensure the safety and reliability of the battery.

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