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논문 기본 정보

자료유형
학술대회자료
저자정보
Tae-Ryong Park (Agency for Defense Development (ADD)) Jae-In Lee (Agency for Defense Development (ADD)) Yu-Song Choi (Agency for Defense Development (ADD))
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS 2021
발행연도
2021.10
수록면
295 - 300 (6page)

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초록· 키워드

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Recently, research on charging strategies for lithium-ion batteries have been widely conducted for fast and safe charging. Among them, pulse charging technology is attracting attention for its effectiveness in terms of suppressing degradation and fast charging. Pulse charging can reduce the polarization voltage by facilitating diffusion of lithium-ions in the electrode by giving a rest time during charging. In this study, by using electro-chemical model of the lithium-ion battery, we analyze the effect of battery degradation according to various pulse parameter and find the optimal pulse parameter in low-temperature and room-temperature environments. Through the model, degradation indicators such as lithium plating and SEI growth were quantitatively analyzed. As a result, when charging with the same average current, it was confirmed that pulse charging caused less degradation and increased temperature compared to the constant-current charging strategy. In pulse charging, the longer the rest time and the smaller the rest current, the greater the degree. Also, it was found that pulse charging is more efficient at low temperature.

목차

Abstract
1. INTRODUCTION
2. MODEL DESCRIPTION
3. OPTIMIZATION STRATEGY
4. RESULT AND DISCUSSION
5. CONCLUSION
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