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Nov 09, 2021

What is the significance of equalization management of lithium-ion battery packs

Lithium-ion battery packs generally consist of one or several battery cells connected in series and parallel. The BMS balanced intelligent management system can reasonably carry out detection, maintenance, energy balancing and common fault alerts for lithium-ion battery packs, thus enhancing the working efficiency and service life of all drive lithium-ion battery packs.


Li-ion balancing technology can handle SOC and C/E mismatch problems, thus improving the characteristics of the series Li-ion battery pack. Correcting the rechargeable battery mismatch challenge can be handled based on rechargeable battery balancing during the original conditioning full process, which must then be carried out only during the battery charging full process, while CE mismatch must be balanced during the battery charging full process. Although the failure rate of lithium-ion manufacturers is likely to be extremely low, further quality assurance must still be presented to prevent the problem of too short a battery cycle count.


Application of lithium-ion battery group is beneficial to the safety of lithium batteries, otherwise, part of the individual lithium batteries found abnormal or can not be manipulated immediately, resulting in common failures, fire accidents, explosions, etc., will destroy all lithium functional groups and cause ineffective.


At this stage, the common lithium group balance technical key contains energy consumption in passive balance, battery charging balance and migration active balance, from the development and design difficulty factor, cost fee, balance high efficiency and output power utilization rate seems to be the most very easy to develop and design microwave inductor balance, the least cost fee, balance power flow is not large, generally within 100mA, balance high efficiency is low, output power utilization rate is zero The balance current is not large, generally within 100mA.


balancing electric current up to amperage level, balancing high efficiency and high energy utilization.


Migration positive balance has a higher complexity and higher cost fee, larger balance electric flow reaches above the amperage, balance high efficiency and output power utilization rate is the largest.


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