Flexible All-Solid-State Supercapacitors and Micro-Pattern Supercapacitors

Liu, Y; Zhao, C; Seyedin, S; Razal, J; Chen, J

doi:10.1002/9783527342631.ch1

Flexible All-Solid-State Supercapacitors and Micro-Pattern Supercapacitors

Lookup NU author(s): Dr Shayan Seyedin ORCiD

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Abstract

Tremendous progress on the next‐generation wearable electronics has promoted the research on flexible energy storage devices. As one of the promising energy storage devices, supercapacitors (SCs) have attract great interest due to the excellent electrochemical properties (i.e . high energy and power density, fast charge‐discharge and long cycle life). Flexible solid‐state SCs (fSSCs) with the traditional sandwiched structures have been extensively studied, but the large‐scale fabrication of flexible film electrode is still a main challenge. The advanced micro‐fabrication technologies have made it possible to develop fSSCs with novel interdigitated microelectrodes, which are more suitable to be integrated into the increasingly miniaturized wearable electronics. However, the additional patterning step posed challenges on the selection of high performance electrode materials with compatible fabrication techniques. This chapter summarizes recent work on potential electrode materials and solid‐state electrolyte for fSSCs. Progresses on fabrication strategies of fSSCs with both sandwiched and interdigitated device architectures are emphasized. The chapter also presents some demonstrations for the real integration of fSSCs in wearable electronic circuit. Finally, future development and prospects of fSSCs were discussed in the hoping of providing reference for the facile and large‐scale fabrication of high performance fSSCs.