Front Cover: Recent progress in self‐powered multifunctional e‐skin for advanced applications (EXP2 1/2022)

Abstract

E‐skin is a novel type of flexible wearable sensor, which is as transparent, soft, and thin as skin. In this review, we compile the latest work of self‐powered multifunction e‐skin, discussing related energy sources (mechanical energy, solar energy, electromagnetic energy, thermal energy, chemical energy) and coupling techniques (double coupling and multi‐coupling).

Self‐Healable and Stretchable PAAc/XG/Bi2Se0.3Te2.7 Hybrid Hydrogel Thermoelectric Materials

“…[8] In the past few years, flexible thermoelectric thin films and micropower generators were proposed to meet the reliable power generator demands for nextgeneration self-powered microelectronic devices. [9][10][11][12] In which, a flexible polymer matrix (e.g., PI and PDMS [13] ), flexible electrodes (e.g., Ag paste, carbon paste, and liquid metals [13,14] ), and thermoelectric materials thin-film, micro thermoelectric legs were demonstrated to achieve the goal of flexible TEGs. Nonetheless, the wearability of TEGs is still in its infancy, as a diversity of challenges (environmental stability and reliability to mechanical fatigue) still need to be addressed to achieve practical and sustainable devices.…”