Interface Rectification via Roll‐to‐Roll Dual‐Confinement Nanocoatings for High‐Temperature Polymer Capacitors
ABSTRACT Polymer film capacitors are indispensable for energy storage and power conversion, yet their energy density and efficiency deteriorate rapidly at elevated temperatures. At temperatures relevant to wide‐bandgap semiconductor electronics (>150°C), heat‐resistant polymer films must be heavily derated to avoid pre...