Energy storage for portable electronic devices

Are flexible energy storage devices effective?

The advent of the smart electronics era necessitates the development of environmentally friendly, electrochemically superior, and lightweight flexible energy storage devices. However, the current performance of the developed flexible energy storage devices still falls short in meeting practical application demands.

Which energy storage systems are applied to wearable electronic devices?

The energy storage systems applied to wearable electronic devices in this review are categorized into two groups: water-based systems and organic-based systems. Water-based systems include SCs, ZIBs, and metal–air batteries, while organic-based systems consist of LIBs, LSBs, SIBs, and PIBs.

What are compatible energy storage devices?

Compatible energy storage devices that are able to withstand various mechanical deformations, while delivering their intended functions, are required in flexible/wearable electronics. This imposes constraints on the structural designs, materials selection, and miniaturization of the cells.

Which materials are used in flexible energy storage devices?

Firstly, a concise overview is provided on the structural characteristics and properties of carbon-based materials and conductive polymer materials utilized in flexible energy storage devices. Secondly, the fabrication process and strategies for optimizing their structures are summarized.

What are textile-based energy storage devices?

Due to excellent chemical stability, electrical conductivity and bendability, textile-based energy storage devices have garnered attention for applications in flexible and wearable electronics.

What is the research focus of flexible energy storage devices?

(2) Currently, the research focus in the field of flexible energy storage devices primarily lies in the development of novel electrode materials, often overlooking other crucial components such as electrolytes, separators, and current collectors.