Flexible Energy Storage Devices to Power the Future

The field of flexible electronics is a crucial driver of technological advancement, with a strong connection to human life and a unique role in various areas such as wearable devices and healthcare. Consequently, there is an urgent demand for flexible energy storage devices (FESDs) to cater to the energy storage needs of various forms of flexible products. FESDs can be classified into three categories based on spatial dimension, all of which share the features of excellent electrochemical performance, reliable safety, and superb flexibility. In this review, the application scenarios of FESDs are introduced and the main representative devices applied in disparate fields are summarized first. More specifically, it focuses on three types of FESDs in matched application scenarios from both structural and material aspects. Finally, the challenges that hinder the practical application of FESDs and the views on current barriers are presented. Based on the diverse configurations and material selections of flexible energy storage devices, they are driving the development of future flexible electronics in various fields, while maintaining a close connection among them.image

Automated summary

The field of flexible electronics is important for technological advancement and has a strong connection to human life, especially in areas such as wearable devices and healthcare. Flexible energy storage devices (FESDs) are urgently needed to meet the energy storage needs of various flexible products. This review introduces the application scenarios of FESDs and summarizes the main representative devices used in different fields. It also discusses the challenges hindering the practical application of FESDs.