articleAdvanced Energy MaterialsJan 18, 2023HYBRID OA

Lithium Batteries and the Solid Electrolyte Interphase (SEI)—Progress and Outlook

Hong Kong Science and Technology Parks Corporation · Hong Kong Observatory · +7 more institutions

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Abstract

Abstract Interfacial dynamics within chemical systems such as electron and ion transport processes have relevance in the rational optimization of electrochemical energy storage materials and devices. Evolving the understanding of fundamental electrochemistry at interfaces would also help in the understanding of relevant phenomena in biological, microbial, pharmaceutical, electronic, and photonic systems. In lithium‐ion batteries, the electrochemical instability of the electrolyte and its ensuing reactive decomposition proceeds at the anode surface within the Helmholtz double layer resulting in a buildup of the reductive products, forming the solid electrolyte interphase (SEI). This review summarizes relevant…

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