The invention relates to the technical field of batteries, in particular to a thermal safety assessment method for a power battery. The invention provides a thermal safety assessment method for a power battery, which comprises the following steps of: performing gas spectrum analysis on gas generated in a thermal runaway process of the power battery to obtain analysis data; constructing a stoichiometric model of each gas according to the analysis data; checking and confirming the gas parameters according to remote monitoring and detection of the sensor and the unmanned aerial vehicle; and determining a thermal runaway prediction model according to the stoichiometric model. According to the power battery thermal safety assessment method provided by the invention, the unmanned aerial vehicle technology is combined with big data analysis modeling to carry out power battery thermal safety assessment, and accurate estimation of thermal runaway of the power battery is realized.

    本发明涉及电池技术领域,尤其是涉及一种动力电池热安全评估方法。本发明提供的一种动力电池热安全评估方法,包括如下步骤:对动力电池热失控过程中产生的气体进行气体光谱分析,得到分析数据;根据所述分析数据,构建每种气体的化学计量模型;根据传感器和无人机远程监控检测对气体参数进行校对确认;根据所述化学计量模型确定热失控预测模型。本发明提供的一种动力电池热安全评估方法,应用无人机技术结合大数据分析建模进行动力电池热安全评估,实现了对动力电池热失控的准确预估。


    Access

    Download


    Export, share and cite



    Title :

    Thermal safety assessment method for power battery


    Additional title:

    一种动力电池热安全评估方法


    Contributors:
    CHEN LEI (author) / LI XUE (author) / WANG SHUYANG (author) / LIU TAO (author) / PAN CHUIYU (author) / SUN SHIJIE (author) / GAO SHANGYUAN (author) / CHEN XUDONG (author)

    Publication date :

    2024-09-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B64U / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / G16C / H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS , Scheinwiderstandsnetzwerke, z.B. Resonanzkreise



    Safety risk assessment method for power battery

    HU XIAOSONG / LI JINWEN / DENG ZHONGWEI et al. | European Patent Office | 2024

    Free access

    Active thermal safety monitoring device and method for power battery

    ZHANG WENPAN / LI XIANG / YANG HUIQIAN et al. | European Patent Office | 2020

    Free access

    Battery Design Implications on Thermal Runaway Severity: NASA ISS SAFER Battery Safety Assessment

    Graika, Jason / Barrera, Thomas / Reid, Concha et al. | NTRS | 2017



    Power battery safety monitoring method

    LI XIANGPENG / WANG XIUHU / LOU FEI et al. | European Patent Office | 2025

    Free access