The invention relates to the field of batteries, and discloses a deep hybrid power battery system and a new energy automobile. The battery system comprises a DC/DC module, a hybrid battery module, a bidirectional Buck-boost circuit structure and a capacitor module, the four parts are correspondingly connected through circuits, the hybrid battery module is formed by connecting a plurality of groups of hybrid batteries in parallel, and each hybrid battery is formed by connecting a lead-acid battery monomer and a plurality of lithium battery monomers in series. According to the battery system, the hybrid battery modules which are connected in series and in parallel are adopted, the battery system is formed by connecting a lead-acid battery monomer and a plurality of lithium battery monomers in series, the SOC of the lead-acid battery is linearly changed with the terminal voltage within a certain interval, and accurate calculation and calibration of the SOC of the hybrid battery modules can be realized; and a capacitor module and a bidirectional Buck-boost circuit structure are arranged, so that reliable power output of the battery system at low temperature is ensured, power supplementation is performed, and the problem of poor performance is solved fundamentally.

    本发明涉及电池领域,公开了一种深度混合动力电池系统及新能源汽车。电池系统包括DC/DC模块、混合电池模块、双向Buck‑boost电路结构和电容模块,四个部件通过电路对应连接,混合电池模块由多组混合电池并联组成,混合电池由一个铅酸电池单体和多个锂电池单体串联组成。该电池系统采用串并联成组的混合电池模块,通过采用一个铅酸电池单体和多个锂电池单体串联组成,铅酸电池的SOC在一定区间内与端电压成线性变化,可以实现对混合电池模块的SOC的精准计算和校准;设置电容模块和双向Buck‑boost电路结构,确保电池系统在低温下拥有可靠的功率输出,进行功率补充,从根源上解决性能差的问题。


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    Titel :

    Deep hybrid power battery system and new energy automobile


    Weitere Titelangaben:

    深度混合动力电池系统及新能源汽车


    Beteiligte:
    JI XIANG (Autor:in) / ZENG GUOJIAN (Autor:in) / YANG YANHUI (Autor:in) / ZHUAN SUNMINGMING (Autor:in)

    Erscheinungsdatum :

    02.05.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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