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Porous Aramid Nanofiber Films
In article number 2205355, Jeong Gon Son, Bongjun Yeom, and co‐workers report highly porous aramid nanofiber separators with dual porosity (>97%), prepared by a two‐step solvent exchange process, for Lithium‐metal batteries. The hierarchical porous structure with maximized porosity and selective affinity of the aramid nanofibers to anions shows effectively reduced...
The growth of lithium (Li) dendrites reduces the lifespan of Li‐metal batteries and causes safety issues. Herein, hierarchically porous aramid nanofiber separators capable of effectively suppressing the Li dendrite growth while maintaining highly stable cycle performances at high charge/discharge rates are reported. A two‐step solvent exchange process combined with reprotonation‐mediated self‐assembly...
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