Here, we demonstrate a multi-responsive healable supercapacitor with integrated configuration assembled from magnetic Fe 3 O 4 @Au/polyacrylamide (MFP) …
Learn More1. Introduction. The combination of high safety, cost-effectiveness, high energy density, sustainable and flexible zinc ion batteries (ZIBs) with wearable and portable electronics is considered significant and has received widespread attention [1], [2], [3], [4] pared with aqueous electrolytes, hydrogel electrolytes can simultaneously alleviate the inevitable …
Learn MoreTherefore, these SPGL hydrogel-based soft electronics have promising applications in health monitoring, human motion detection, human-machine interactions, and energy storage. ... creating hydrogels that meet all these requirements can be a lengthy and complicated process. Herein, we quickly (10 s) generated a double network …
Learn MoreAll-Starch-Based Hydrogel for Flexible Electronics: Strain-Sensitive Batteries and Self-Powered Sensors Cong Ma, Fengwei Xie,* Linjie Wei, Chuyan Zheng, Xiaoyi Liu, Liming Wang,* and Peng Liu* Cite This: ACS Sustainable Chem. Eng. 2022, 10, 6724−6735 Read Online ACCESS Metrics & More Article Recommendations * sı …
Learn Morea Schematic illustrations of the preparation of MFP hydrogel.b TEM image of Fe 3 O 4 @Au@BACA composites. c–e Corresponding element mappings of Fe, Au, and S, suggesting the ultrafine coating of ...
Learn MoreZinc-ion hybrid capacitors (ZIHCs) combining advantages of battery and supercapacitor represent a promising type of energy storage system for flexible electronics, but often suffer from limited performance stability in low or high temperature. Here, we demonstrate a type of high-performance flexible ZIHCs under all-climate from -50 to 100 °C enabled by a novel …
Learn MoreIn the quest for renewable and highly efficient energy storage devices, all-lignin-based flexible supercapacitors are fabricated by integrating chemically cross-linked lignin hydrogel electrolytes with …
Learn MoreFirst of all, a ZnSO 4 /CMC hydrogel electrolyte (carboxymethyl cellulose sodium, mZnSO 4:mCMC = 1.9:1) was prepared for a flexible Zn/V 2 O 5 battery. ... In the field of Zn-ion hybrid capacitors (ZICs), a …
Learn MoreHydrogel-based flexible electronics have been of widespread interest in recent years. However, current hydrogel electronics have limitations, such as poor biocompatibility, non-reusability, low electrical response to deformation and being single-function. GelMA is a gelatin-based hydrogel that has been widel
Learn MoreAn all-in-one flexible and all-solid-state matrix conductive hydrogel electrode with high capacitance has been effectively generated in this work. Using multi …
Learn MoreTo enhance the areal energy density of current flexible energy storage devices, hybrid capacitors combining the advantages of supercapacitors and batteries are proposed and further enhanced by incorporating the 3D interdigital structure design. However, uneven electric field distribution and hindered ion diffusion kinetics due to the non‑electroactive …
Learn MoreUltrastretchable and superior healable supercapacitors ...
Learn MoreThree-dimensional printing of soft hydrogel electronics
Learn MoreHydrogels are different from aqueous liquid electrolytes in that they are solid in physical state, free standing in nature, dry to touch and possess good mechanical stability. In the literature, 42, 43 Nafion membrane and PVA-KOH based ECs have been referred to as all solid-state capacitors.
Learn MoreFig. 1 graphically illustrates the hydrogel preparation process and the construction of the soft supercapacitor. The AM contains carbon-carbon double bonds and amide bifunctional groups. SA is a biological material derived from sea algae. The SA chain is composed of linear, non-branched polysaccharides, which contains varying amounts of …
Learn MoreThe hydrogel can be directly served as an electrolyte in all-solid supercapacitors. • The capacitor exhibits excellent flexibility and stable electrochemical performance. ... wet-adhesive, stretchable all-hydrogel supercapacitor implant based on PANI@rGO/Mxenes electrode and hydrogel electrolyte. Adv. Energy Mater., 11 (2021), …
Learn MoreDOI: 10.1016/j.est.2021.103858 Corpus ID: 245463128; High energy density, flexible, low temperature resistant and self-healing Zn-ion hybrid capacitors based on hydrogel electrolyte
Learn MoreIn the quest for renewable and highly efficient energy storage devices, all-lignin-based flexible supercapacitors are fabricated by integrating chemically cross-linked lignin hydrogel electrolytes with electrospun lignin/polyacrylonitrile nanofiber electrodes. The cross-linked networks of lignin-based hydrog
Learn MoreAqueous zinc ion capacitors (ZICs) with hydrogel electrolytes (HEs) exhibit the advantages of high sustainability, inherent safety, appealing energy/power densities, and extraordinary mechanics, and thus have …
Learn More1. Introduction. Electrically conductive hydrogels (ECHs) with the merits of the electrical properties of conductive materials and the unique characteristics of hydrogels, have shown highly promising potential in flexible energy storage devices, biosensors, actuators, and so forth [1], [2], [3], [4].Especially, ECHs equipped with highly stretchability …
Learn MoreFTIR and TGA curves were presented in Fig.S1 and S2. As showed in Fig.S1, the strong and broad peak centered at 3388 cm −1 in the GPE curve could be assigned to the O-H stretching vibration of ChCl, glycerol and PAA. While the similar broad peak in the DES curve shifted to 3362 cm −1, which might be affected by hydrogen bonds …
Learn MoreThe utilization of acid as a synthesis assistant provides an effective means to regulate the structure of hydrogels, thereby simplifying the design and preparation process of multifunctional hydrogels. However, there remains a dearth of discourse concerning the utilization of this convenient acid-me …
Learn MoreThe proposal of fabricating all-in-one hydrogel supercapacitor gives a new promising direction toward achieving the integrated mechanical and capacitive …
Learn MoreThe potential of fabricated all-hydrogel bioelectronics is demonstrated as wearable strain sensors, cardiac patches, and near-field communication (NFC) devices for monitoring various physiological conditions wirelessly. ... The presented simple platform paves the way of implantable hydrogel electronics for Internet-of-Things and tissue ...
Learn More： Multifunctional conductive hydrogels have triggered extensive research interest owing to their potential in artificial intelligence,human motion detection,soft electronic skins,and energy storage.However,unattainable reusable properties and unsatisfactory environmental tolerance seriously hinder potential applications in these emerging …
Learn More1. Introduction. In the last decade, organic electronics has been considered as a key technology for portable and wearable energy-storage devices, such as batteries and supercapacitors, that require flexibility, and lightweight and anti-deformation properties [1,2,3,4,5].Although batteries can store a high amount of specific energy, they …
Learn MoreDownload Citation | All-Around Supramolecular Zwitterionic Hydrogel Electrolytes Enabling Environmentally Adaptive Dendrite-Free Aqueous Zinc Ion Capacitors | Aqueous zinc ion capacitors (ZICs ...
Learn MoreBy using this novel nanocomposite hydrogel as both a gel electrolyte and a separator, the developed all-solid-state supercapacitors …
Learn MoreDOI: 10.1016/j.mtphys.2023.101046 Corpus ID: 257575976; Highly self-adhesive, compressible, stretchable, all hydrogel-based supercapacitor for wearable/portable electronics @article{Jiang2023HighlySC, title={Highly self-adhesive, compressible, stretchable, all hydrogel-based supercapacitor for wearable/portable electronics}, …
Learn MoreThis short review explores the recent progressions in all-in-one supercapacitors powered by hydrogels, highlighting their functional mechanisms of self-healing, ion transmission, and …
Learn MoreFabrication of flexible all-hydrogel-state supercapacitor device. Firstly, PVA/H 2 SO 4 hydrogel electrolyte was synthesized by dissolving 1.5 g PVA to 15 ml of 1 M sulfuric acid solution. Then, two hydrogel electrodes were prepared by pouring PVA/H 2 SO 4 hydrogel electrolyte on PACP/PVA conducting hydrogel (remaining a dimension of 20 …
Learn MoreZhao says electronics coated in hydrogel may be used not just on the surface of the skin but also inside the body, for example as implanted, biocompatible glucose sensors, or even soft, compliant neural …
Learn MoreHydrogel bioelectronics that can interface biological tissues and flexible electronics is at the core of the growing field of healthcare monitoring, smart drug systems, and wearable and implantable devices. Here, a simple strategy is demonstrated to prototype all-hydrogel bioelectronics with embedde …
Learn MoreThe new-generation flexible Zn-ion capacitors (ZICs) require multifunctionality and environmental adaptability for practical applications. This essentially means that hydrogel electrolytes are expected to possess superior mechanical properties, temperature resistance, and tunable interface properties to resist flexibility loss and …
Learn MoreHydrogel machines and devices have begun to emerge at the forefront of bioelectronics and soft robotics, on account of their tissue-like mechanical and electrical properties (1–6).While conventional electronics use rigid metallic materials with electrons as charge carriers, hydrogel devices use soft water-infiltrated polymer networks with ions as …
Learn MoreWe utilized a freeze-soak method, i.e., soaking frozen polymer solutions in KAc solutions, to fabricate tough, anti-icing and conductive ionic hydrogels. We …
Learn Moreall-hydrogel super capacitors have be en prepar ed by sandwiching a h ydrogel ele ctr olyte betwe en two. hydrogel ele ctro des to form three-layer con gurations, in which the similar mechanical ...
Learn MoreA novel hydrogel electrolyte for all-climate high-performance flexible zinc-ion hybrid capacitors within temperature range from −50 to 100 °C. ... Hydrogel-based capacitors have garnered significant interest due to their diverse applications and alignment with the principles of green chemistry. An antifreeze cellulose-based hydrogel with ...
Learn MoreHydrogels have emerged as promising materials for flexible electronics due to their unique properties, such as high water content, softness, and biocompatibility. In this perspective, we provide an overview of the development of hydrogels for flexible electronics, with a focus on three key aspects: mechanical properties, interfacial …
Learn MoreHerein, a novel all-in-one supercapacitor is constructed through preparing soft enough and hydrophilic polyacrylamide (PAM/LiCl) hydrogel film, subsequently, polymerizing and depositing of hydrophobic polypyrrole (PPy) nanocomposites onto the two-sided surfaces of the PAM/LiCl hydrogel. It is found that the all-in-one supercapacitor …
Learn MoreThis PACP/PVA hydrogel can be used directly as self-standing electrode for supercapacitors. The hydrogel electrode delivers high electrochemical capacitance …
Learn MoreThe all-hydrogel fiber aqueous Li-ion battery was fabricated by sandwiching the hydrogel electrolyte between the dehydrated hydrogel fiber cathode and hydrogel anode in a coaxial fiber structure.
Learn MoreNatural biopolymers are biodegradable and biocompatible and thus have huge potential for the development of biomedical or transient systems. Herein, we report an entirely starch-based hydrogel for flexible electronics including strain-sensitive batteries and self-powered (SP) wearable sensors. This biodegradable hydrogel is only based on …
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