Reproduction of the Artificial Singular Degradation Situation as Electrolyte Depletion and Electric Network Loss

Journal of the Korean Battery Society(2021)

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Abstract
리튬이차전지의 열화 현상은 양극, 음극, 전해액, 집전체 각 구성의 이유로 인해 매우 복잡하다. 전지의 열화를 이해하기 위해 리튬이차전지의 전해액 고갈과 전지적 연결성 저감 현상을 구현하고 각 현상에서의 전기화학특성을 확인하였다. 단일 열화의 전기화학적 실험 데이터는 추후 전지의 복합열화 셀에서 주요 열화 원인을 분석하기 위한 기초 자료로 사용될 것이다. The mechanism of degradation in lithium ion batteries (LIB) was complex, which there are various reasons with cathode, anode, electrolyte, and current collector. The artificial singular degradation cells as electrolyte depletion and electric network loss were reproduced for understanding degradation in LIB. The electrolyte depletion in the cell leads to loss of capacity with different voltage profile. The electric network loss in the electrode shows dramatic capacity loss with low cycle retention. Based on experimental data from electrochemical performance are presented for degradation cells.
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Key words
artificial singular degradation situation,electrolyte depletion,electric
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