Electro-Chemo-Mechanical Origins of Lithium Dendrite Growth (IMAGE)
Caption
Electro-Chemo-Mechanical Origins of Lithium Dendrite Growth. Schematic illustration of lithium dendrite formation governed by coupled electrochemical, chemical, and mechanical processes. In liquid electrolytes (left), nonuniform lithium plating beneath the solid–electrolyte interphase (SEI) is driven by factors such as current density, overpotential, temperature, and ion transport, leading to dendritic growth. In solid electrolytes (right), lithium deposition is further influenced by mechanical stress, interfacial defects, and crack propagation, enabling dendrites to penetrate the electrolyte. The diagram highlights how interphase properties, ionic/electronic conductivity, and mechanical strength collectively determine lithium stability in both battery systems.
Credit
Quan Wu, et al
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CC BY-NC-ND