串联锂离子电池组均衡管理方法研究

Study on Equalization Circuits of Series Connected Lithium-ion Batteries

锂离子电池组在充放电时,对电池组中的单体电池进行能量均衡管理,能够延长电池组的使用寿命,论文提出了一种改进型的串联锂离子电池组充放电均衡管理方案,采用改进型Flyback变换器对串联锂离子电池组进行均衡管理,并通过实验手段验证了所设计的均衡电路能够达到预期的均衡效果。

Charging and discharging equilibrium management can enhance the service life of series connected lithium-ion batteries.The research puts forward an improved scheme of charging and discharging equilibrium management of series connected lithium-ion batteries.A modified Flyback converter put to use to series connected lithium-ion batteries for balanced management.In addition,through the experimental method the design of the equalization circuit is proved that can achieve the desired equilibrium effect.