Journal
CHEMICAL COMMUNICATIONS
Volume 59, Issue 82, Pages 12346-12349Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3cc02942e
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This study demonstrates the feasibility of designing nanoscale bilayers to enable the efficient cycling of lithium-free solid-state batteries, by effectively controlling Li deposition on LLZO without the need for extra external pressure.
Enhancing the reversible Li growth efficiency in Li-free solid-state batteries is key for the deployment of this technology. Here, we demonstrate a nanoscale material design path that enables the reversible cycling of a lithium-free solid-state battery, using Li7La3Zr2O12 (LLZO) electrolyte. By means of nanometric Ag-Cu bilayers, directly sputtered onto the LLZO, we can effectively control Li deposition. The robust thin film bilayer, which is compatible with LLZO, enables stable cycling, accommodating the volume changes without the need for extra external pressure. This work demonstrates the viability to design nanoscale bilayers that enable the efficient cycling of lithium-free solid-state batteries.
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