리튬이온전지용 NCM 양극 활물질의 열화 메커니즘에 대한 종합적 고찰
Degradation Mechanisms in NCM Cathode Materials for Li-ion Batteries : A Comprehensive Review
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Abstract : LiNixCoyMn1−x−yO2 (NCM) cathode materials are receiving significant attention in lithium-ion batteries due to their high energy density and excellent electrochemical performance. However, NCM suffers from performance deterioration due to various degradation factors that occur during battery cycling. This review comprehensively analyzes the degradation mechanisms of NCM, including cation mixing, microcrack formation, and side reaction with electrolyte. The review elucidates the causes of capacity fading and lifespan deterioration associated with these mechanisms. This analysis provides valuable insights for enhancing the stability of NCM and provides an important foundation for the development of high-performance lithium-ion batteries.
Abstract
Abstract : LiNixCoyMn1−x−yO2 (NCM) cathode materials are receiving significant attention in lithium-ion batteries due to their high energy density and excellent electrochemical performance. However, NCM suffers from performance deterioration due to various degradation factors that occur during battery cycling. This review comprehensively analyzes the degradation mechanisms of NCM, including cation mixing, microcrack formation, and side reaction with electrolyte. The review elucidates the causes of capacity fading and lifespan deterioration associated with these mechanisms. This analysis provides valuable insights for enhancing the stability of NCM and provides an important foundation for the development of high-performance lithium-ion batteries.
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