Schematic of the PFSIn-Li Hybrid Protective Layer (IMAGE)
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This illustration depicts the in-situ formation of the PFSIn-Li interlayer on a lithium metal anode. A liquid precursor containing a fluorinated siloxane polymer and indium salt reacts on the lithium surface to generate a multifunctional hybrid film. The organic polymer network interpenetrates with inorganic lithium fluoride, lithium-indium alloy, and lithium silicon oxide nanodomains, simultaneously suppressing dendrite growth and stabilizing the interface with the sulfide solid electrolyte.
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