{Reference Type}: Journal Article {Title}: Epoxy-based multifunctional solid polymer electrolytes for structural batteries and supercapacitors. a short review. {Author}: Adak NC;Lim S;Lee GH;Lee W; {Journal}: Front Chem {Volume}: 12 {Issue}: 0 {Year}: 2024 {Factor}: 5.545 {DOI}: 10.3389/fchem.2024.1330655 {Abstract}: The potential applications of epoxy-based solid polymer electrolytes are continually expanding because of their versatile characteristics. These characteristics include mechanical rigidity, nonvolatility, nonflammability, and electrochemical stability. However, it is worth noting that pure epoxy-based solid polymer electrolytes inherently exhibit lower ion transport capabilities when compared to traditional liquid electrolytes. Striking a balance between high mechanical integrity and superior ionic conductivity at room temperature poses a significant challenge. In light of this challenge, this review is dedicated to elucidating the fundamental concepts of epoxy-based solid polymer electrolytes. It will explore various preparation techniques, the incorporation of different nanomaterials into epoxy-based solid polymer electrolytes, and an evaluation of their multifunctional properties. This comprehensive evaluation will cover both mechanical and electrical properties with a specific focus on their potential applications in batteries and structural supercapacitors.