• CN: 11-2187/TH
  • ISSN: 0577-6686

Journal of Mechanical Engineering ›› 2021, Vol. 57 ›› Issue (14): 105-117.doi: 10.3901/JME.2021.14.105

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Study on Remaining Useful Life Prediction of Lithium-ion Batteries Based on Charge Transfer Resistance

WANG Xueyuan1,2, LI Rikang2,3, WEI Xuezhe2,3, DAI Haifeng2,3, ZHENG Yuejiu4   

  1. 1. College of Electronic and Information Engineering, Tongji University, Shanghai 201804;
    2. Clean Energy Automotive Engineering Center, Tongji University, Shanghai 201804;
    3. School of Automotive Studies, Tongji University, Shanghai 201804;
    4. College of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093
  • Received:2020-07-08 Revised:2021-01-14 Online:2021-07-20 Published:2021-09-15

Abstract: Prediction of remaining useful life facilitates the efficient and appropriate management and assessment for lithium-ion batteries. Electrochemical impedance can reflect properties of physical and chemical processes inside a lithium-ion battery. It is widely used in studies of battery life issues. Especially, the charge transfer resistance describes the difficulty of the reaction at the interphase of the electrodes. It can be applied to characterize the aging state. Through the experiments under four aging conditions, the evolution of the charge transfer resistance with the aging process is obtained. Several empirical aging models are evaluated with the Bayesian information criterion. And a first-order polynomial aging model is chosen and established. On this basis, a remaining useful life prediction method based on the particle filter algorithm is proposed. The results show that the remaining useful life of the lithium-ion batteries can be accurately predicted with the method, thus providing the necessary battery life information for the battery management and assessment.

Key words: lithium-ion batteries, impedance, charge transfer resistance, particle filter algorithm, remaining useful life

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