articleAdvanced Energy MaterialsFeb 23, 2024BRONZE OA

Electrolyte Degradation During Aging Process of Lithium‐Ion Batteries: Mechanisms, Characterization, and Quantitative Analysis

Xiamen University · Collaborative Innovation Center of Chemistry for Energy Materials · +1 more institution

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Abstract

Abstract Given that the non‐aqueous electrolyte in Li‐ion battery plays a specific role as an ion‐transport medium and interfacial modifier for both cathode and anode, understanding and evaluating the evolution and degradation of electrolytes throughout the life cycle is a fundamental concern within the lithium‐ion battery (LIB) community. This article provides a comprehensive overview of the electrolyte decomposition processes, mechanisms, effects of electrolyte degradation on the battery performance, characterization techniques, and modeling analysis. First, it thoroughly discusses the processes and mechanisms involved in electrolyte degradation from two primary perspectives: 1) the formation of the…

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