1.1 Introduction1.2 Potential Components and Device Architecture for Flexible Supercapacitors1.3 Flexible Supercapacitor Devices with Sandwiched Structures1.4 Flexible Micro‐Supercapacitor Devices with Interdigitated Architecture1.5 Performance Evaluation and Potential Application of Flexible Supercapacitors1.6 Conclusions and PerspectivesReferences