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Updated: Jun 6, 2025

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
Published on: December 20, 2016
Synergistic effect of hydrogen-bond interaction and interface regulation for stable aqueous sodium-ion batteries
Lingyu Du1, Miaomiao Xie1, Zizhen Liu1
1School of Environmental and Material Engineering, Yantai University, Yantai, 264005, P. R. China. dulingyu91@163.com.
Abstract:
The narrow voltage window of aqueous electrolytes hinders the energy density of aqueous sodium-ion batteries (SIBs). Herein, a thermally and electrochemically stable hybrid electrolyte is developed with NaCF3SO3, 1,3-dioxolane (DOL), urea and H2O. The intermolecular interactions between DOL, urea and H2O regulate the hydrogen-bond network. Furthermore, the formation of an interfacial layer between the electrode and the electrolyte enables stable cycling of the manganese-based Prussian blue analogs (NaFeMnPBAs). As a result, a NaFeMnPBAs‖NaTi2(PO4)3 full cell is constructed and it exhibits high energy density and superior stability in the hybrid electrolyte.
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