Superstable and Intrinsically Self‐Healing Fibrous Membrane with Bionic Confined Protective Structure for Breathable Electronic Skin

Abstract

Considerable effort has been devoted to the fabrication of electronic skin that can imitate the selfhealing and sensing function of biological skin. Almost all self-healing electronic skins are composed of airtight elastomers or hydrogels, which will cause skin inflammation. Fibrous membranes are ideal materials for preparing highly sensitive breathable electronic skins. However, the development of intrinsically self-healing fibrous membranes with high stability is still a challenge. Here, a novel interface protective strategy is reported to develop intrinsically self-healing fibrous membranes with a bionic confined structure for the first time, which were further assembled into an all-fiber structured electronic skin through interfacial hydrogen bonding. The electronic skin is multifunctional with self-powering, self-healing, breathability, stretchability, and thermochromism functionalities, which is highly promising for application in intelligent wearable sensing systems.

Bio-inspired color-changing and self-healing hybrid hydrogels for wearable sensors and adaptive camouflage

“…For instance, the skin of a chameleon is highly interesting and sensitive and capable of changing color for adaptation, self-protection, or safety warning by sensing external stimuli (e.g., temperature, sunlight, and pressure). [17][18][19][20][21][22][23][24] Moreover, the skin of a chameleon has a selfhealing ability even after being injured. Accordingly, chameleon skin provides inspiration for effective fabrication of durable wearable sensors.…”

“…, temperature, sunlight, and pressure). 17–24 Moreover, the skin of a chameleon has a self-healing ability even after being injured. Accordingly, chameleon skin provides inspiration for effective fabrication of durable wearable sensors.…”

Enhanced Ionic Polymer–Metal Composites with Nanocomposite Electrodes for Restoring Eyelid Movement of Patients with Ptosis

“…In addition, it is suggested for future studies to create the suggested enhanced IPMC with a MCC electrode under model B for restoring eyelid movement. Previous studies can help create the model [ 64 , 65 ]. For a better illustration of the function of this model, it can be implemented in an animal or cadaver experiment.…”

Energy Harvesting Using Cotton Fabric Embedded with 2D Hexagonal Boron Nitride

“…The created cell was optimized based on internal atoms movement and not on optimizing the cell using the CASTEP code . The structure optimization is performed with the following convergence criteria: energy of 5 × 10 –5 eV/atom, maximum force of 0.03 eV/Å, maximum stress of 0.05 GPa, and maximum displacement of 0.001 Å. Generalized gradient approximation (GGA) calculations were performed using Wu-Cohen (WC) functional and on-the-fly generated (OTFG) ultrasoft pseudopotentials were employed for the plane wave (PW) basis set to treat valence electrons. , The Broyden–Fletcher–Goldfarb–Shanno (BFGS) minimizer with the line search was used to find the lowest energy structure . A Monkhorst pack grid was used with 1 × 1 × 1 k -points to sample the Brillouin zone, and the energy cutoff was set to 571.4 eV .…”

“…The application of hBN as a piezoelectric or flexoelectric sensor is mostly reported with elastomers and hydrogel substrates/matrix, which may cause skin inflammation if worn for a long time . These substrates lack breathability and comfort when used.…”