A high-performance TPGDA/PETEA composite gel polymer electrolyte for lithium metal batteries.

A gel polymer electrolyte (GPE) supported by a polyimide (PI) nanofiber membrane with LiLaZrTaO (LLZTO) nanoparticles (PI/LLZTO/GPE) shows excellent flexibility and electrochemical properties, the ionic conductivity is 1.87 mS cm and the Li transfer number is 0.64 at room temperature.