Journal of Guangxi Normal University(Natural Science Edition) ›› 2020, Vol. 38 ›› Issue (3): 11-18.doi: 10.16088/j.issn.1001-6600.2020.03.002

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Research on Charging Strategy of Electric Vehicle Based on Battery Dynamic Aging Model

TIAN Sheng*, LÜ Qing   

  1. School of Civil Engineering and Transportation, South China University of Technology, Guangzhou Guangdong 510640, China
  • Received:2019-08-26 Online:2020-05-25 Published:2020-06-11

Abstract: To solve the problems of long time consuming and large amount of work in battery aging test, the battery aging process is described as calendar aging and cyclic aging, and the calendar aging model and cyclic aging model are established respectively based on the existing battery aging research. Taking the current flowing through the battery as the conversion condition, the two models are integrated into the dynamic aging model of the battery. Based on the dynamic aging model of the battery, the capacity attenuation rate of the power battery under short-time and multi-condition switching conditions can be estimated. The model is built in the computer environment, and the battery aging simulation test under three different charging schemes are carried out. The battery aging process is simulated in a shorter simulation time, which reduces the cost of verifying the battery aging.

Key words: power battery, aging test, dynamic aging model, simulation test, charging schemes

CLC Number: 

  • U463.6
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