侯谋,郑涛,贾泽峰,李俊伟,仇坤

• 1:合肥工业大学电气与自动化工程学院

摘要(Abstract)：

为提高全钒液流电池（VRB）系统中电池的性能和效率，根据VRB的组成及原理，建立了包括电化学、流体力学、温度、旁路电流、钒电池多堆等效损耗电路模型，并探究全钒液流电池管道系统中的泵送损耗与旁路电流对钒电池的影响。通过建立泵送损耗和泵损电流之间关系、旁路电流模型、多堆串联的钒电池等效电路模型，将各模型“化零为整”，阐述了计及动态响应的钒电池的内核机理。详细探讨了VRB建模中涉及的关键因素，包括泵送损耗、旁路电流，并分析了电池性能和效率的影响因素。研究表明，管道的长度与横截面积等参数影响着管路电阻，较长的主管与支管会减小旁路电流，但会增大泵损电流；较长和较粗的管道有利于同时减小旁路电流和泵送损耗，提高了电池的能量效率，这为厂家管路设计提供了思路。

关键词(KeyWords)： 全钒液流电池;旁路电流;泵送损耗;多堆建模;能量效率

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目（62202138）~~

作者(Author): 侯谋,郑涛,贾泽峰,李俊伟,仇坤

DOI: 10.19666/j.rlfd.202405116

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