中国物理B ›› 2017, Vol. 26 ›› Issue (12): 127503-127503.doi: 10.1088/1674-1056/26/12/127503

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇    下一篇

Modeling of LiFePO4 battery open circuit voltage hysteresis based on recursive discrete Preisach model

Wei-Yi Sun(孙维毅), Hai-Tao Min(闵海涛), Dong-Ni Guo(郭冬妮), Yuan-Bin Yu(于远彬)   

  1. 1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China;
    2. China FAW Group Corporation R & D Center, Changchun 130011, China
  • 收稿日期:2017-06-18 修回日期:2017-09-04 出版日期:2017-12-05 发布日期:2017-12-05
  • 通讯作者: Yuan-Bin Yu E-mail:yyb@jlu.edu.cn
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 51107052).

Modeling of LiFePO4 battery open circuit voltage hysteresis based on recursive discrete Preisach model

Wei-Yi Sun(孙维毅)1, Hai-Tao Min(闵海涛)1, Dong-Ni Guo(郭冬妮)2, Yuan-Bin Yu(于远彬)1   

  1. 1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China;
    2. China FAW Group Corporation R & D Center, Changchun 130011, China
  • Received:2017-06-18 Revised:2017-09-04 Online:2017-12-05 Published:2017-12-05
  • Contact: Yuan-Bin Yu E-mail:yyb@jlu.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 51107052).

摘要: This paper focuses on the modeling of LiFePO4 battery open circuit voltage (OCV) hysteresis. There exists obvious hysteresis in LiFePO4 battery OCV, which makes it complicated to model the LiFePO4 battery. In this paper, the recursive discrete Preisach model (RDPM) is applied to the modeling of LiFePO4 battery OCV hysteresis. The theory of RDPM is illustrated in detail and the RDPM on LiFePO4 battery OCV hysteresis modeling is verified in experiment. The robust of RDPM under different working conditions are also demonstrated in simulation and experiment. The simulation and experimental results show that the proposed method can significantly improve the accuracy of LiFePO4 battery OCV hysteresis modeling when the battery OCV characteristic changes, which conduces to the online state estimation of LiFePO4 battery.

关键词: hysteresis, lithium-ion batteries, modeling

Abstract: This paper focuses on the modeling of LiFePO4 battery open circuit voltage (OCV) hysteresis. There exists obvious hysteresis in LiFePO4 battery OCV, which makes it complicated to model the LiFePO4 battery. In this paper, the recursive discrete Preisach model (RDPM) is applied to the modeling of LiFePO4 battery OCV hysteresis. The theory of RDPM is illustrated in detail and the RDPM on LiFePO4 battery OCV hysteresis modeling is verified in experiment. The robust of RDPM under different working conditions are also demonstrated in simulation and experiment. The simulation and experimental results show that the proposed method can significantly improve the accuracy of LiFePO4 battery OCV hysteresis modeling when the battery OCV characteristic changes, which conduces to the online state estimation of LiFePO4 battery.

Key words: hysteresis, lithium-ion batteries, modeling

中图分类号:  (Magnetization curves, hysteresis, Barkhausen and related effects)

  • 75.60.Ej
82.47.Aa (Lithium-ion batteries) 47.50.Cd (Modeling)