The invention discloses a battery charging method and a battery management system. The method comprises the following steps: under the condition that a battery is connected to a power supply, determining an initial current according to an initial charge state of the battery and an initial temperature of the battery; determining the maximum charging current of the battery from the initial state of charge to 100% state of charge according to the initial state of charge and the initial temperature; determining a plurality of preset currents according to a preset charging current interval and the maximum charging current; wherein the maximum current in the plurality of preset currents is the same as the maximum charging current; processing the plurality of preset currents by adopting the initial current to obtain a plurality of residual charging durations; determining a target charging request current according to a preset current used for determining the minimum residual charging duration in the plurality of residual charging durations; and charging the battery according to the target charging request current. According to the invention, the charging duration of the battery can be reduced.

    本申请公开了一种电池的充电方法和电池管理系统。该方法包括:在电池接入电源的情况下,根据电池的初始荷电状态和电池的初始温度,确定初始电流;根据初始荷电状态和初始温度,确定电池从初始荷电状态至100%荷电状态的最大充电电流;根据预设的充电电流间隔和最大充电电流,确定多个预设电流;其中,多个预设电流中的最大电流与最大充电电流相同;采用初始电流,分别对多个预设电流进行处理,得到多个剩余充电时长;根据确定多个剩余充电时长中最小剩余充电时长所使用的预设电流,确定目标充电请求电流;根据目标充电请求电流,进行电池的充电。本申请能够减少电池充电的时长。


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    Title :

    Battery charging method and battery management system


    Additional title:

    电池的充电方法和电池管理系统


    Contributors:
    GUO HANGANG (author) / HAN PEIHANG (author) / ZHANG SHICHANG (author) / LI DONG (author) / LI HENG (author)

    Publication date :

    2024-08-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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