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2021 Vol.31, Issue 2 Preview Page
Charging-Discharging Behavior and Performance of AGM Lead Acid Battery/EDLC Module for x-HEV

x-HEV용 AGM 연축전지/EDLC 통합모듈의 성능 및 충방전 거동

Sung Joon Kim12
,
Sung Won Seo1
,
Sin Young An2
,
Bong-Gu Kim4
,
Jeong Hun Son3
,
Yeon Gil Jung34†
김 성준12
,
서 성원1
,
안 신영2
,
김 봉구4
,
손 정훈3
,
정 연길34†
1Sebang Global Battery Co., Ltd., Changwon, Republic of Korea
2SAMWHA ELECTRIC Co., Ltd., Cheongju, Republic of Korea
3School of Nano & Advanced Materials Eng., Changwon National Univ., Changwon, Republic of Korea
4Changwon University Department of Materials Convergence System Engineering
1세방전지㈜
2삼화전기㈜
3창원대학교 신소재공학과
4창원대학교 소재융합시스템공학과
†Corresponding author E-Mail : jungyg@changwon.ac.kr (Y.-G. Jung, Changwon Nat’l Univ.)
February 2021. pp. 84-91
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Abstract

To cope with automobile exhaust gas regulations, ISG and charging control systems are applied to HEV vehicles for the purpose of improving fuel economy. These systems require quick charge-discharge performance of high current. Therefore, a Module of the AGM battery with high energy density and EDLC(Electric Double Layer Capacitor) with high power density are constructed to study the charging and discharging behavior. In CCA, which evaluates the starting performance at -18 °C & 30 °C with high current, EDLC contributed for about 8 sec at the beginning. At 0 °C CA (Charge Acceptance), the initial Charging current of the AGM/EDLC Module, is twice that of the AGM lead acid battery. To play the role of EDLC during high-current rapid charging and discharging, the condition of the AGM lead-acid battery is optimally maintained. As a result of a Standard of Battery Association of Japan (SBA) S0101 test, the service life of the Module of the AGM Lead Acid Battery/EDLC is found to improve by 2 times compared to that of the AGM Lead Acid Battery.

Keywords
AGM lead acid battery
EDLC
AGM/EDLC module
HEV
ISG
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Information
  • Publisher :Materials Research Society of Korea
  • Publisher(Ko) :한국재료학회
  • Journal Title :Korean Journal of Materials Research
  • Journal Title(Ko) :한국재료학회지
  • Volume : 31
  • No :2
  • Pages :84-91
  • Received Date : 2020-11-25
  • Revised Date : 2021-11-22
  • Accepted Date : 2021-01-25
  • DOI :https://doi.org/10.3740/MRSK.2021.31.2.84
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