动力电池内阻测量方法的研究

Research on Measurement Methods of Internal Resistance of Power Battery

该文分析介绍了动力电池、针对体现动力电池健康状态重要指标的内阻的测量方法进行了介绍。介绍了采用直流测试方法和采用交流测试方法来测量动力电池内阻的机理,并分析了该两种方法的应用场合及其优缺点。

This paper analyzes and introduces the power battery and the internal resistance which is an important indicator reflecting the health status of power batteries.The mechanism of using DC test method and AC test method to measure the internal resistance of power battery as well as their applications and advantages and disadvantages of the two methods are all given in this paper.