Energy Storage Science and Technology ›› 2022, Vol. 11 ›› Issue (9): 2879-2890.doi: 10.19799/j.cnki.2095-4239.2021.0635

• Special Issue for the 10th Anniversary • Previous Articles     Next Articles

Review of a fast-charging strategy and technology for lithium-ion batteries

Linwang DENG1(), Tianyu FENG1(), Shiwei SHU1, Zifeng ZHANG2, Bin GUO1   

  1. 1.Shenzhen BYD Lithium Battery Co. , Ltd. Kengzi Branch
    2.FinDreams Powertrain Co. , Ltd. , Shenzhen 518122, Guangdong, China
  • Received:2021-11-26 Revised:2021-12-13 Online:2022-09-05 Published:2022-08-30
  • Contact: Tianyu FENG E-mail:deng.linwang@fdbatt.com;feng.tianyu@fdbatt.com

Abstract:

The popularization of electric vehicles is one of the main sources of demand for lithium-ion batteries. The charging performance of electric vehicles is an important parameter that affects the popularization process. With the same material system, a new charging strategy that replaces the traditional constant current and voltage charging strategy has attracted many researchers' attention in recent years. In addition, the new generation of battery management systems stipulates higher requirements for charging strategies. This article describes various optimized charging methods and their characteristics and applications. The research results show that, compared with the traditional constant current and voltage charging strategy, the optimized charging method can reduce charging time, improve charging performance, and effectively extend battery life. Finally, this article also proposes an outlook for the future optimization of charging strategies, hoping that online identification and real-time update of model parameters or the identification of characteristic signals through online methods will bring more powerful charging strategies.

Key words: lithium plating detection, non-destructive detection, online detection, lithium-ion battery, battery safety

CLC Number: