SPICE Model Implementation for LiFePO4 Cell

2020 International Symposium on Fundamentals of Electrical Engineering (ISFEE) Pub Date : 2020-11-05 DOI:10.1109/ISFEE51261.2020.9756177

I. Guran, Lucian Andrei Perișoară, A. Florescu

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引用次数: 2

Abstract

Faults in the design of battery-powered circuits can lead to battery destruction. Battery simulation is an extremely important topic as simulation of the battery and the circuit together emphasizes a detailed functioning before the physical implementation and can also reveal hidden faults. In this paper, a SPICE model for LiFePO4 battery cells was implemented and simulated. The model targets specifically the CALB CA180FA LiFePO4 cell used in automotive industry for Electric Vehicles (EV) or in Energy Storage Systems (ESS). There are no models currently implemented for the LiFePO4 battery cells, which affects the simulation process of the systems. The model proves of utmost importance in simulating battery-powered systems, energy storage systems and Battery Management Systems (BMS), helping in understanding the impact these circuits have on batteries they are powered from or are designed for. The most important characteristics implemented are the OCV (Open-Circuit Voltage) - SOC (State of Charge) curve and the internal resistance. The LiFePO4 cell model can be parameterized by choosing the values for cell capacity and internal resistance.

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LiFePO4电池的SPICE模型实现

电池供电电路设计中的故障会导致电池损坏。电池仿真是一个非常重要的课题，因为电池和电路的仿真共同强调了物理实现之前的详细功能，也可以揭示隐藏的故障。本文对LiFePO4电池的SPICE模型进行了实现和仿真。该模型专门针对汽车工业中用于电动汽车(EV)或能源存储系统(ESS)的CALB CA180FA LiFePO4电池。目前还没有针对LiFePO4电池的模型实现，这影响了系统的仿真过程。该模型在模拟电池供电系统、储能系统和电池管理系统(BMS)方面被证明是极其重要的，有助于理解这些电路对电池供电或设计的影响。实现的最重要的特性是OCV(开路电压)- SOC(充电状态)曲线和内阻。LiFePO4电池模型可以通过选择电池容量和内阻的值来参数化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2020 International Symposium on Fundamentals of Electrical Engineering (ISFEE)

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