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Volume 3, Issue 6 (December, 2023) – 10 articles

Cover Picture: Lithium-ion batteries (LIBs) are widely utilized in portable electronic devices, with a rapid expansion into high-energy applications. However, to meet the safety and energy density requirements of these advanced devices, the adoption of novel materials becomes imperative. Traditional liquid electrolytes, given their flammability and compatibility issues, are unsuitable for these emerging applications. Consequently, a transition is going on from molecular materials to ion-based alternatives, including ionic liquids (ILs) and their derivatives, such as zwitterionic ILs (ZILs), polymerized ILs (PILs), and solvated ILs (SILs). These materials offer high safety, stability, and electrode compatibility. Moreover, precise IL-design is important to tailor the electrode/electrolyte interfaces (EEIs) on both anode and cathode surfaces, becoming crucial in high energy density lithium-metal batteries (LMBs). This review delves into the utilization of ILs in both liquid and solid electrolytes for LMBs, highlighting their pivotal role in forming suitable EEIs. Additionally, the discussion encompasses deep-eutectic solvents, materials akin to ILs and environmentally friendly. The future perspective covers the optimization of IL-based electrolytes, ranging from the design of ionic structures to the realization of nanophases with specific attributes.
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Energy Materials
ISSN 2770-5900 (Online)
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https://www.portico.org/publishers/oae/