The demand for interfacing electronics in everyday life is rapidly accelerating, with an ever‐
growing number of applications in wearable electronics and electronic skins for robotics …

Over the last few decades, gel with excellent characteristics and functions have attracted
considerable interests of researchers for potential applications in various fields such as …

Hydrogel-based sensors have attracted a lot of attention owing to their promising
applications in human–machine interfaces, personal health monitoring, and soft robotics …

Flexible and conductive hydrogel sensors have great potential for applications in wearable
and implantable devices, electronic skin and healthcare diagnosis. However, it remains a …

The prospect of ionic conductive hydrogels in multifunctional sensors has generated
widespread scientific interest. The new generation of flexible materials should be combined …

In addition to conductivity, recent evidence suggests that adhesive, self-healing, and
antibacterial properties are also important aspects of wearable force sensors. However …

To synthesize hydrogels that possess tensile strength and modulus together in MPas along
with extensibility at high equilibrium water content (≥ 90 wt%) is challenging but important …

With increasing interest and demand for wearable electronic skin sensors for human–
machine interactions or personal health detection, fabricating a mechanically stiff, long …

It remains challenging to develop stretchable and self‐healable polymer electrolytes with
improved ion‐conductive nature for high‐performance multifunctional flexible …

Hydrogels possessing stretchability, toughness, and conductivity together are promising
candidates for soft electronics applications. In this report, ionic grafting of poly (acryloyl …