摘要：【中文】本发明涉及电池内阻检测领域，尤其涉及一种蓄电池内阻测量方法及系统，其中，一种蓄电池内阻测量方法，包括以下步骤：将蓄电池进行放电；断开放电，采集断开放电瞬间前蓄电池两端的第一电压值和电流值，以及断开放电后蓄电池两端的第二电压值；通过第一电压、第二电压的压差以及电流值，计算蓄电池的内阻。该方法不但可以有效避开蓄电池的虚电压、电化学极化电阻、浓差极化电阻的影响，实现精准的电池内欧姆电阻的测试，而且具备高准确度、高精密度、高抗干扰的测量性能。因此，该方法简化了蓄电池内阻的测量方法，缩短了测量耗时，进而降低了检测成本，便于使用内阻估算蓄电池的容量。 【EN】The invention relates to the field of battery internal resistance detection, in particular to a method and a system for measuring internal resistance of a storage battery, wherein the method for measuring internal resistance of the storage battery comprises the following steps: discharging the storage battery; disconnecting discharge, and collecting a first voltage value and a current value at two ends of the storage battery before the moment of disconnecting discharge and a second voltage value at two ends of the storage battery after disconnecting discharge; and calculating the internal resistance of the storage battery through the voltage difference of the first voltage and the second voltage and the current value. The method not only can effectively avoid the influence of virtual voltage, electrochemical polarization resistance and concentration polarization resistance of the storage battery and realize accurate test of ohmic resistance in the battery, but also has high accuracy, high precision and high anti-interference measurement performance. Therefore, the method simplifies the measuring method of the internal resistance of the storage battery, shortens the measuring time, further reduces the detection cost, and is convenient for estimating the capacity of the storage battery by using the internal resistance.