The Incremental Capacity Curves and Frequency Response Characteristic Evolution of Lithium Titanate Battery during Ultra-High-Rate Discharging Cycles

Chu Wang, Yaohong Sun (), Yinghui Gao and Ping Yan
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Chu Wang: Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
Yaohong Sun: Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
Yinghui Gao: Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
Ping Yan: Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China

Energies, 2023, vol. 16, issue 8, 1-14

Abstract: The high-rate discharging performance of lithium titanate batteries is a crucial aspect of their functionality. Under high-power demands, the discharge rate, which is defined as the ratio of discharge current to the maximum capacity, can exceed 50 C or higher. This study investigates the evolution of incremental capacity (IC) curves and frequency response characteristic of 2 Ah lithium titanate batteries subjected to aging cycles at 50 C. The results provide a new indicator to assess the fading of the state of health (SOH) of lithium titanate batteries during ultra-high-rate discharge cycles.

Keywords: lithium titanate battery; high-rate discharging; cycle life; aging mechanisms (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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