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Keywords:

  • imprintable/bendable/shape-conformable polymer electrolytes;
  • lithium-ion batteries;
  • three-dimensional structured electrodes;
  • design flexibility;
  • UV-assisted nanoimprint lithography
Thumbnail image of graphical abstract

A class of imprintable, bendable, and shape-conformable polymer electrolyte with excellent electrochemical performance in a lithium battery system is reported. The material consists of a UV-cured polymer matrix, high-boiling point liquid electrolyte, and Al2O3 nanoparticles, formulated for use in lithium-ion batteries with 3D-structured electrodes or flexible characteristics. The unique structural design and well-tuned rheological characteristics of the UV-curable electrolyte mixture, in combination with direct UV-assisted nanoimprint lithography, allow the successful fabrication of polymer electrolytes in geometries not accessible with conventional materials.