Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Effects of Curing & Formation Conditions on the Capacity of Positive Plate for Automotive Vehicles VRLA Batteries

양극판의 숙성과 화성조건이 자동차용 VRLA 배터리 성능에 미치는 영향

  • Jeong, Soon-Wook (Dept. of Material Science and Engineering, Kumoh National Institute of Technology) ;
  • Ku, Bon-Keun (Dept. of Material Science and Engineering, Kumoh National Institute of Technology)
  • 정순욱 (금오공과대학교 신소재공학과) ;
  • 구본근 (금오공과대학교 신소재공학과)
  • Received : 2016.01.18
  • Accepted : 2016.03.18
  • Published : 2016.03.30
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Abstract

We studied the effect of battery deep cycle according to the way of active materials formation and the creation condition of electrode material, 3BS ($3PbO{\cdot}PbSO_4{\cdot}H_2O$) and 4BS ($4PbO{\cdot}PbSO_4$), in order to develop the batteries for Idle Stop & Go system. During the curing with active materials of anode and cathode, we found that the final creased active material was deformed by temperature control and it effects the durability of batteries. AGM battery and Flooded battery with 3BS active materials have excellent initial performance. And AGM battery with 4BS active materials shows the lower performance relatively. To compare and analyze of the formation efficiency of active materials, we tested the formation chagging steps with 3 steps and 9 steps differently. The results are that AGM battery with 4BS active materials is better on initial performance than AGM battery with 3BS. After the comparison of durability by DOD 17.5% life test, AGM battery is more suitable than flooded battery for the ISG system which needs the frequent deep cycle. In conclusion, AGM battery is the most suitable for ISG system and the life performance shows 80% difference according to the way of formation and curing of AGM batteries.

ISG (Idle Stop & Go) 시스템이 적용되는 자동차에 적합한 납축전지를 개발하기 위해 전극재료인 3BS ($3PbO{\cdot}PbSO_4{\cdot}H_2O$)와 4BS ($4PbO{\cdot}PbSO_4$)의 생성조건과 활물질의 화성 방법에 따른 납축전지 초기 성능과 심방전에 미치는 영향에 대해 연구 하였다. 양극과 음극 활물질을 숙성반응 중 온도 제어로 최종 생성 활물질의 상이 변하며, 납축전지의 수명에 영향을 미친다는 것을 알 수 있었다. 초기 성능에는 3BS 활물질을 적용한 AGM 납축전지와 Flooded 납축전지가 우수한 성능을 나타내는 반면 4BS 활물질을 적용한 AGM 납축전지는 상대적으로 낮은 성능을 나타내었다. 또한, 활물질 화성 효율을 비교분석하기 위해 화성을 3 step과 9 step으로 구분하여 시험한 결과, 3BS로 제작된 AGM 납축전지에 비해 4BS 활물질을 적용한 AGM 납축전지의 초기 성능이 우수 하였다. DOD17.5% 수명시험으로 수명성능을 비교한 결과, 잦은 심방전이 요구되는 ISG 시스템에서 Flooded 납축전지는 적합하지 않았으나, AGM 납축전지는 적합한 결과를 나타내었다. 결론적으로 AGM 납축전지가 ISG 시스템 적용 자동차에 적합하였고, AGM 납축전지의 숙성, 화성 방법에 따라 수명 성능이 80% 차이를 나타내는 것으로 확인되었다.

Keywords

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