Overview of Electrolyte Additives for Lithium-Ion Batteries
DOI:
https://doi.org/10.63313/MS.4002Keywords:
Film - forming additive, High - voltage stabilizer, Conductivity - enhancing addi-tive, Flame - retardant additive, Overcharge - preventing additiveAbstract
This article comprehensively reviews the research progress and application prospects of lithium - ion battery electrolyte additives. These additives play a crucial role in improving battery energy density, cycle life, and safety through interfacial chemical regulation. Key additives consist of film - formers (e.g., VC, DFEC), high - voltage stabilizers (e.g., LiDFOB), conductivity enhancers (e.g., γ - cyclodextrin), flame retardants, and overcharge preventatives. They signifi-cantly enhance battery performance by forming stable CEI/SEI films, suppress-ing electrolyte decomposition, and optimizing lithium deposition kinetics.
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