Energy Storage Science and Technology ›› 2023, Vol. 12 ›› Issue (7): 2166-2184.doi: 10.19799/j.cnki.2095-4239.2023.0287

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Research progress on fast-charging lithium-ion batteries

Qixin GAO(), Jingteng ZHAO, Guoxing LI()   

  1. Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Science Center for Material Creation and Energy Conversion, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, Shandong, China
  • Received:2023-04-27 Revised:2023-05-17 Online:2023-07-05 Published:2023-07-25
  • Contact: Guoxing LI E-mail:202217019@mail.sdu.edu.cn;gxli@sdu.edu.cn

Abstract:

Rechargeable lithium-ion batteries (LIBs) with high energy density have attracted considerable research attention as a power source for electric vehicles. However, charging at high rates causes the attenuation of battery capacity and power over time owing to lithium plating, mechanical degradation, and thermal effects. Reasonable design of electrode materials and electrolytes that facilitate the rapid transport of lithium ions is crucial for solving these issues. This paper reviews the current state of development related to the fast-charging technology with respect to LIBs. First, the physical and chemical basis of fast-charging LIBs is presented, which provides theoretical guidelines for achieving excellent fast-charging performance in LIBs. Second, the performance degradation mechanism of LIBs charged at high rates is introduced. Finally, the research strategies for achieving good fast-charging performance in high-energy-density LIBs are summarized from the perspectives of electrode materials and electrolytes. This paper provides guidance for designing fast-charging LIBs with excellent rate performance based on the systematic understanding and analysis of the latest advances.

Key words: lithium-ion batteries, fast-charging, electrode materials, electrolytes, lithium-ion transport

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