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Updated: Jan 28, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
Published on: August 12, 2013
Facile Protection of Lithium Metal for All-Solid-State Batteries
Nicolas Delaporte1, Abdelbast Guerfi1, Hendrix Demers1
1Center of Excellence in Transportation Electrification and Energy Storage 1806, boul. Lionel-Boulet Varennes QC, J3X 1S1 Canada.
Abstract:
A nanolayer of reactive propyl acrylate silane groups was deposited on a lithium surface by using a simple dipping method. The polymerization of cross-linkable silane groups with a layer of ally-ether-ramified polyethylene oxide was induced by UV light. SEM analysis revealed a good dispersion of silane groups grafted on the lithium surface and a layer of polymer of about 4 μm was obtained after casting and reticulation. The electrochemical performance for the unmodified and modified lithium electrodes were compared in symmetrical Li/LLZO/Li cells. Stable plating/stripping and low interfacial resistance were obtained when the modified lithium was utilized, indicating that the combination of silane and polymer deposition is promising to increase Li-metal/garnet contact.
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