Method for quickly evaluating health degree of vehicle battery based on BMS (Battery Management System) data

The invention discloses a method for rapidly evaluating the health degree of a vehicle battery based on BMS data, and the method comprises the following steps: S1, selecting a to-be-tested battery, and collecting and arranging the technical parameters of the battery; s2, performing data exploration on the selected three types of batteries, wherein the data exploration comprises charging times, charging current, charging temperature, charging time interval and charging interval analysis; s3, formulating an influence coefficient table of the temperature current on the battery capacity and an SOC interval influence factor table; s4, SOC interval capacity calculation and SOC interval conversion are carried out, the whole vehicle capacity and the single vehicle capacity are subjected to abnormal filtering, capacity smoothing is carried out, and SOH conversion and evaluation are achieved. According to the method, a data-driven electrochemical safety management platform is utilized, comprehensive evaluation and powe