Polymeric Single-Ion Conductors for Solid-State Lithium Metal Batteries
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The recently spotlighted all-solid-state lithium-ion batteries and lithium metal batteries stimulate our research interests in solid-state electrolytes that can act as a promising alternative to conventional liquid electrolytes. Among various solid-state electrolytes explored to date, polymeric lithium-ion conductors have garnered considerable attention as an organic approach that is different from the widely investigated solid inorganic electrolytes. This talk presents a new class of polymeric single lithium-ion conductors as a facile material strategy that can outperform conventional inorganic conductors. Two different design concepts were proposed with a focus on immobilizing anions: (i) covalently tethering anions to covalent organic framework (COF) and (ii) electrostatically trapping anions by polymer–based hybrids.