Over the past few decades, flexible sensors have been developed from the “electronic” level
to the “iontronic” level, and gradually to the “ionic” level. Ionic flexible sensors (IFS) are one …

Recent progress in electronic skin or e‐skin research is broadly reviewed, focusing on
technologies needed in three main applications: skin‐attachable electronics, robotics, and …

Iontronic pressure sensors are promising in robot haptics because they can achieve high
sensing performance using nanoscale electric double layers (EDLs) for capacitive signal …

Flexible and wearable electronics are attracting wide attention due to their potential
applications in wearable human health monitoring and care systems. Carbon materials have …

Flexible electronics, as an emerging and exciting research field, have brought great interest
to the issue of how to make flexible electronic materials that offer both durability and high …

There is a growing demand for stretchable strain sensors because of their potential
applications in various emerging fields, such as human motion detection, health monitoring …

Recent research progress of relieving discomfort between electronics and human body
involves serpentine designs, ultrathin films, and extraordinary properties of nanomaterials …

The use of liquid metals based on gallium for soft and stretchable electronics is discussed.
This emerging class of electronics is motivated, in part, by the new opportunities that arise …

Flexible/stretchable electronics, which are characterized by their ultrathin design, lightweight
structure, and excellent mechanical robustness and conformability, have garnered …

Energy‐storage technologies such as lithium‐ion batteries and supercapacitors have
become fundamental building blocks in modern society. Recently, the emerging direction …