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논문 기본 정보

자료유형
학술대회자료
저자정보
김현재 (서울대학교) 김태진 (서울대학교) 윤병동 (서울대학교)
저널정보
대한기계학회 대한기계학회 춘추학술대회 대한기계학회 2014년도 추계학술대회
발행연도
2014.11
수록면
998 - 1,001 (4page)

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Lithium-ion battery that applied to high power application such as electric vehicle produce large amount of heat that can causes poor performance or damage to lithium-ion battery. To prevent the adverse effects related to heat from the battery, several thermal model and its variations are developed and applied for prediction of temperature behavior. The thermal models based on theoretical approach generally can approximate heat generation rate at steady current state and semi -transient current state. However, in fully dynamic current state such as real driving condition, charging and discharging operations are quickly repeated then theoretical based thermal models give unfavorable approximation of temperature behavior.
In this research, we introduce a hardware and software of a calorimeter for heat generation measurement in dynamic current state. For this purpose, we build a specialized calorimeter using thermoelectric module and control algorithm. This apparatus developed considering two a spects, hardware and software. First, the characteristics of thermoelectric module is figured through the calibration using electric heater. The algorithm for battery temperature is devised. The combining technique of feed-forward and PID control logic is proposed here. The performance of proposed calorimeter is evaluated using 5Ah pouch type lithium-ion battery and theoretical thermal model, and heat generation rate of the battery in dynamic current state is measured and compared with theoretical result.

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Abstract
1. 서론
2. 열량계 설계
3. 발열량 측정 성능의 검증
4. 결론
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