화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Materials Research, Vol.32, No.3, 146-152, March, 2022
DOI10.3740/MRSK.2022.32.3.146  Export Citation
감액 특성 향상을 위한 하이브리드(Sb/Ca) 액식 연축전지 개발
Development of Hybrid (Sb/Ca) Flooded Lead-Acid Battery for Minimizing Water Loss
송승윤1, 2, 임태섭1, 김성준1, 정연길2, 3, †, 양승철2, 3, †
  • 1세방전지㈜
  • 2창원대학교 신소재공학부 신소재융합공학전공
  • 3창원대학교 소재융합시스템공학과
Seung Yun Song1, 2, Tae Seop Lim1, 3, Sung Jun Kim1, 3, Yeon-Gil Jung2, 4, †, and SeungCheol Yang2, 4, †
  • 1Sebang Global battery Co., Ltd., Changwon, Republic of Korea
  • 2Convergence Materials Science and Engineering, School of Materials Science and Engineering, Changwon National Univ., Changwon, Republic of Korea
  • 3, Korea
  • 4Department of Materials Convergence and System Engineering, Changwon National Univ., Changwon, Republic of Korea
E-mail:,
One disadvantage of deep cycle flooded lead-acid batteries is increasing water loss caused by use of (+) Pb-Sb / (-) Pb-Sb alloy grid. Water loss is generated by the emission of hydrogen gas from the (-) electrode during battery charging. In this paper, we maintain cycle life aspect through the development of hybrid flooded lead-acid batteries to which a (+) Pb- Sb / (-) Pb-Ca grid is applied and deal with the improvement of water loss. The amount of water loss compared to that of the (-) Pb-Sb grid decreased when Ca was added to the (-) Pb grid. For the (-) Pb-Ca grid, it was confirmed that the time to reach 0.0 V, at which water decomposition occurs, was increased compared to that of the (-) Pb-Sb grid at the NPV (Negative Potential Voltage). In the cycle life test conducted with the BCI (Battery Council International) standard, compared to the (+) Pb-Ca grid, the (+) Pb-Sb grid increased the life cycle of the batteries and the (+) Pb-Ca grid showed an early end of life due to PbO corrosion layer generation, as determined through SEM / EDS and Tear Down analysis. In conclusion, by addition of Sb to (+) Pb grid and Ca to (-) Pb grid, we developed a hybrid flooded lead-acid battery that meets user requirements to improve water loss characteristics and preserve cycle life characteristics.
Keywords:flooded lead-acid battery;grid;electrode;water loss;corrosion layer
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