Flexible fiber energy storage and integrated devices: recent progress and perspectives

Flexible fiber-shaped energy storage devices have been studied and developed intensively over the past few years to meet the demands of modern electronics in terms of flexibility, weavability and being lightweight. In this review, fiber electrodes and flexible fiber energy storage devices containing solid-state supercapacitors (SCs) and lithium-ion batteries (LIBs) are carefully summarized with particular emphasis on their electrode fabrication, structure design and flexibility. In addition, emerging wire-shaped integrated energy systems, combined energy storage and solar cells, as well as other electronic devices to realize self-charging and self-powered integrated systems are specifically highlighted.

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DOI: 10.1016/j.mattod.2015.01.002