储能电池寿命预测方法及系统
By calculating the battery volume decay rate and fitting characteristic parameters, and combining real-time data verification, the problem of inaccurate prediction of energy storage battery life in existing technologies has been solved, and accurate capacity decay and life prediction based on battery internal reaction kinetics has been achieved.
CN117347896BActive Publication Date: 2026-07-17CHN ENERGY NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHN ENERGY NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE CO LTD
- Filing Date
- 2023-08-25
- Publication Date
- 2026-07-17
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Figure CN117347896B_ABST
Abstract
本发明提供一种储能电池寿命预测方法及系统，属于储能电池技术领域。该方法包括：基于储能电池容量的历史动态数据，得到电池容积衰减速率；对电池容积衰减速率进行边际变换计算，得到边际变化曲线；基于电池容积衰减速率和边际变化曲线，利用主因子法分步拟合储能电池容量衰减过程的特征参数；利用储能电池容量的实时动态数据对特征参数进行验证，基于验证结果确定储能电池的寿命预测方案；利用寿命预测方案对储能电池的寿命进行预测，得到预测结果。从而针对储能电池内部电化学反应的动力学机理，面向容量衰减特征参数、影响电池容量的电化学表观参数及分析演化，构建基于储能电池容量历史数据的分形演化机制，实现对电池寿命预测的目的。
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