지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.3
- 수록면
- 39 - 47 (9page)
- DOI
- 10.33162/JAR.2019.03.19.1.39
이용수
초록· 키워드
오류제보하기
Purpose: Health and safety of lithium ion batteries have become important issue due to increasing reports on explosion and firing accident during use. In this research, mechanical and thermal damages of a lithium ion battery were evaluated by applying alternative current electrochemical impedance spectroscopy.
Methods: Nyquist plot was obtained for the isothermally exposed batteries to 85℃, 100℃ and 120℃ as well as mechanically twisted and bended lithium polymer batteries, respectively. Ohmic, SEI (secondary electrolytic interface), and charge transfer resistance were extracted and compared among them.
Results: Nyquist plot of both thermally exposed and mechanically deformed batteries were observed to shift toward high resistance region. SEI resistance value increased with thermal exposure, which is attributed to the decomposition reaction of lithium salt over 60℃. For the mechanically deformed battery, Ohmic resistance increased, while little change in SEI resistance was observed.
Conclusion: SEI resistance and Ohmic resistance value extracted from the Nyquist plot can be applied as a state-of-health monitoring indicator of the lithium ion batteries used under thermal exposure or mechanical deformation condition, respectively.
Methods: Nyquist plot was obtained for the isothermally exposed batteries to 85℃, 100℃ and 120℃ as well as mechanically twisted and bended lithium polymer batteries, respectively. Ohmic, SEI (secondary electrolytic interface), and charge transfer resistance were extracted and compared among them.
Results: Nyquist plot of both thermally exposed and mechanically deformed batteries were observed to shift toward high resistance region. SEI resistance value increased with thermal exposure, which is attributed to the decomposition reaction of lithium salt over 60℃. For the mechanically deformed battery, Ohmic resistance increased, while little change in SEI resistance was observed.
Conclusion: SEI resistance and Ohmic resistance value extracted from the Nyquist plot can be applied as a state-of-health monitoring indicator of the lithium ion batteries used under thermal exposure or mechanical deformation condition, respectively.
목차
1. 서론
2. 이론적 배경
3. 실험 방법
4. 결과 및 고찰
4. 결론
References
참고문헌 (9)
참고문헌 신청
Scrosati, B. / 2010 / Lithium batteries:status, prospects and future / Journal of Power Sources 195:2419~2430
Swierczynski, M. / 2013 / Selection and performance-degradation modeling of LiMO2/Li4Ti5O12 and LiFePO4/C battery cells as suitable energy storage systems for grid integration with wind power plants: an example for the primary frequency regulation service / IEEE Transactions on Sustainable Energy 5(1):90~101
Stroe, D. I. / 2014 / Accelerated lifetime testing methodlogy for lifetime estimation of lithiumion batteries used in augmented wind power plants / IEEE Transactions on Industry Applications :4006~4017
Groot, J. / 2012 / State-of-health estimation of Li-ion batteries: cycle life test methods
Zhang, J. / 2011 / A review on prognostics and health monitoring of Li-ion battery / Journal of Power Sources 196(15):6007~6014
Swierczynski, M. / 2013 / Selection and performance-degradation modeling of LiMO2/Li4Ti5O12 and LiFePO4/C battery cells as suitable energy storage systems for grid integration with wind power plants: an example for the primary frequency regulation service / IEEE Transactions on Sustainable Energy 5(1):90~101
Stroe, D. I. / 2014 / Accelerated lifetime testing methodlogy for lifetime estimation of lithiumion batteries used in augmented wind power plants / IEEE Transactions on Industry Applications :4006~4017
Groot, J. / 2012 / State-of-health estimation of Li-ion batteries: cycle life test methods
Zhang, J. / 2011 / A review on prognostics and health monitoring of Li-ion battery / Journal of Power Sources 196(15):6007~6014
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UCI(KEPA) : I410-ECN-0101-2019-323-000567938