磷酸铁锂电池均衡充放技术研究
Battery Management System Market and Technology Study
钟雨轩 1彭时达 1农浩然 1夏密1
作者信息
- 1. 湖南工商大学,湖南 长沙 410006
- 折叠
摘要
磷酸铁锂电池(LFP电池)作为电动汽车等应用的关键动力源,其均衡充放技术研究具有重要意义.电池成组使用中,因充放电倍率、自放电及环境温度等因素影响,单体电池间会出现性能差异,即电池荷电状态(SOC)不一致问题.这会导致电池组性能下降,使用寿命缩短[1].因此,研究和开发高效的电池均衡充放技术至关重要.分析了当前磷酸铁锂电池均衡充放技术的现状,针对问题提出了相应的技术解决方案,并进一步探讨了磷酸铁锂电池均衡充放技术未来发展的趋势.
Abstract
As a key power source for electric vehicles and other applications,lithium iron phosphate batteries(LFP batteries)are of great significance for the research on balanced charging and discharging technology.When batteries are used in groups,due to factors such as charge-discharge rate,self-discharge,and ambient temperature,there will be performance differences between single cells,that is,inconsistent battery state of charge(SOC).This can lead to a decrease in the performance of the battery pack and a shortened service life.Therefore,it is crucial to research and develop efficient cell balancing charging and discharging technology.This paper analyzes the current status of balanced charging and discharging technology of lithium iron phosphate batteries,proposes corresponding technical solutions to the problems,and further discusses the future development trend of balanced charging and discharging technology of lithium iron phosphate batteries.
关键词
磷酸铁锂电池/均衡充放/SOC估计/不一致性Key words
lithium iron phosphate battery/balanced charge and discharge/SOC estimation/inconsistency引用本文复制引用
出版年
2024
NETL
NSTL
万方数据