电池SOC预测方法和装置
By using a method based on the law of conservation of energy and calculating Joule heat and reversible reaction heat using changes in current and impedance, the problems of high data storage and inaccurate calculation in existing battery SOC prediction methods are solved, and high-precision battery SOC prediction is achieved.
CN116184203BActive Publication Date: 2026-07-17NATIONZ TECH INC
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NATIONZ TECH INC
- Filing Date
- 2022-12-13
- Publication Date
- 2026-07-17
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Figure CN116184203B_ABST
Abstract
本申请涉及一种电池SOC的预测方法和装置，其中，该方法包括：获得预测电流；确定未来预设间隔内任意采样点对应的温度和阻抗；根据所述预测电流和所述未来预设间隔内任意采样点对应的阻抗，计算未来预设间隔内的焦耳热；以及根据所述未来预设间隔内的焦耳热，预测所述电池的SOC。根据本申请提供的方案，根据能量守恒定律，通过预测未来间隔内采样点的温度和阻抗，获得未释放的能量中除了用于做功的电能外的其他能量(包括焦耳热或焦耳热和可逆反应热)，从而预测电池的SOC。本申请的方案简单易行，并且预测的电池SOC的精度高。
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