Researchers develop real-time picture of formation of solid–electrolyte interphase of a Li-ion battery
Green Car Congress
FEBRUARY 10, 2020
During the first charging process of a new Li-ion battery cell, trace amounts of electrolyte components decompose sacrificially to form what is called a solid–electrolyte interphase (SEI) on the anode surface. The SEI functions both as a Li + conductor and an electronic insulator, and prevents sustained electrolyte decomposition during subsequent cycles.
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