Development of Fluorinated Gel Polymer Electrolytes for Lithium-ion Batteries Enabled by <em>In-situ</em> Polymerization.
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초록
내용
The widespread use of lithium-ion batteries (LIBs) in portable electronic devices, electric vehicles, and energy storage systems has brought attention to the importance of safety. Liquid electrolyte-based LIBs, which are commercially available, often face safety concerns such as ignition and explosion, leading to ongoing research into solid-state electrolytes. Gel-based polymer electrolytes are expected to replace liquid electrolytes because of their ease of processing, good performance and low-cost. However, there are still challenges such as instability at the electrode-electrolyte interface, which can affect the reliability and safety of the batteries. This study proposes a solution by developing a fluorinated monomer-based gel polymer electrolyte through in-situ polymerization. The resulting electrolyte is characterized by high thermal stability, mechanical strength, and ionic conductivity due to the formation of a polymer network.