1. Introduction Stretchable and flexible capacitors represent promising energy storage devices that meet the demands of power sources for next-generation devices, such as wearables and biomedical devices. [1], [2], [3] The key challenge in the configuration of flexible and stretchable devices is maintaining operability under a …
Learn MoreIn this paper, a flexible and stretchable energy harvester based on liquid-metal and fluorinated ethylene propylene (FEP) electret films is proposed and implemented for the application of wearable devices. A gallium liquid-metal alloy with a melting point of 25.0 °C is used to form the stretchable electrode; therefore, the inducted …
Learn MoreWhile the areal capacitance of the seamless device was maintained even after 100 bending cycles, the device failure by interfacial slip for the sandwich device was observed. Considering that flexible electronic devices are subjected to repeated mechanical deformations, the device fabrication strategy using phase changing materials …
Learn MoreFiber-type solid-state supercapacitors are being widely investigated as stable power supply for next-generation wearable and flexible electronics. Integrating both high charge storage capability an...
Learn MoreHydrogels electrolytes with flexibility and high conductivity have been widely used in kinds of flexible electronics. However, hydrogels always suffer from the inevitable freezing of water at subzero temperatures, which results in the sacrificing of their electrical properties. Herein, an anti-freezing, flexible hydrogel based on in situ reduction …
Learn MoreFlexible supercapacitors have become research hotspot as the energy storage device to power up the wearable and portable electronics due to their high …
Learn MoreFacile Material Extrusion of 3D Wearable Conductive-Polymer Micro-Super-Capacitors Article Jul 2023 Terek Li Zia Saadatnia Tianhao Chen Hani E. Naguib View Integration of patterned electrolyte ...
Learn MoreStretchable supercapacitors not only possess advantages such as high power density, long cycle life, safety, and low cost of conventional supercapacitors but also have …
Learn MoreTherefore, power and energy densities are two defining parameters for the performance of a flexible supercapacitor, in combination with its structural flexibility. Supercapacitors are prized for their high power density. Though the energy density (~5 Whkg −1) of supercapacitors is lower as compared to LIBs (~150 Whkg −1), there has …
Learn MoreRecent advances in the development of wearable, implantable, and bio-integrated electronic devices have increased the demand for stretchable and flexible energy storage devices that can deliver ...
Learn MoreSupercapacitors are widely used in various fields due to their high power density, fast charging and discharging speeds, and long service life. However, with the increasing demand for flexible electronics, integrated supercapacitors in devices are also facing more challenges, such as extensibility, bending stability, and operability. Despite …
Learn MoreThis work demonstrates a fully stretchable and integrated power source, consisting of a triboelectric nanogenerator (TENG), a polymeric four-transistor rectifier, and a supercapacitor, designed to harvest stretching-type mechanical energy from tissue/organ motions. The TENG, featuring tissue-like softness, high stretchability, and high output …
Learn MoreSuper tough, stretchable and transparent ionic conductive hydrogel for flexible sensor with excellent temperature tolerance Author links open overlay panel Hao Fu a, Feifei Wang a, Zheng Cao a, Lin Liu a b, Guocheng Zhu b, Juming Yao a b c, Jiri Militky d, Jakub Wiener d
Learn MoreAnother drawback is the limited stretchability, which is dependent on 2D Cu coil. Metal spring, such as Li spring, Al spring and Zn spring, were prepared as stretchable electrodes for SESDs. A flexible and stretchable fiber-shaped Li-air, [] Zn-air, [] and Al-air []
Learn MoreWe particularly highlight the key findings of creating stretchable electrodes/devices, which include elastic polymer substrates, tensile structure design and elastic polymer + tensile structure. In addition, the …
Learn MoreA supercapacitor is a potential electrochemical energy storage device with high-power density (PD) for driving flexible, smart, electronic devices. In particular, …
Learn MoreFlexible electronics has significantly advanced over the last few years, as devices and circuits from nanoscale structures to printed thin films have started to appear. Simultaneously, the demand ...
Learn MoreHere, an EGaIn-based fibrous supercapacitor, which is composed of two paralleled stretchable fibers, is designed and …
Learn MoreStretchable electronics could be integrated into smart garments to interact seamlessly with the human body and detect diseases or collect patient data in a non-invasive manner. For example, researchers from Seoul National University and MC10 (a flexible-electronics company) have developed a patch that is able to detect glucose levels in sweat and can …
Learn MoreIonogels have attracted much attention in recent years because of their good thermal stability, high ionic conductivity, and non-volatility. However, there is a trade-off between the mechanical strength and stretchability of ionogels, which results in unsatisfactory mechanical performance. Herein, strong polymer crystallization and weak …
Learn More1. Introduction With the tremendous development of wearable electronics, corresponding energy storage devices with stretchability and stability are urgent needed as power suppliers. [[1], [2], [3]] Hydrogel-based supercapacitors have attracted considerable interests due to their inherent flexibility, fast charging/discharging process and high power …
Learn MoreSupercapacitors, also named ultracapacitors or electrochemical capacitors, store energy through ion adsorption or redox reaction which can be safely and quickly charged/discharged and easily …
Learn More1 Introduction Recently, flexible and wearable electronic devices, including health monitors, electronic sensors, flexible displays, and portable, wearable energy storage devices, have become a …
Learn MoreFor the fabrication of flexible electrodes based on flexible substrates, the commonly used flexible substrates include either conductive or non-conductive substrates by spray-coating, printing, and/or painting. In particular, Singh et al. [44], fabricated a flexible Li-ion battery through a multi-step spray painting process, in which the primary …
Learn MoreFabrication of flexible microfluidic device that embeds liquid metal Galinstan into PDMS microchannel. ... Microchannel structural design for a room-temperature liquid metal based super-stretchable sensor Sci. Rep., 9 (1) (2019), p. 5908 View in Scopus [35] L.Y. ...
Learn MoreFlexible and stretchable supercapacitors are in high demand for the development of lightweight, wearable, bioimplantable, and transportable devices. Applications of …
Learn MoreIonogels are good candidates for flexible electronics owing to their excellent mechanical and electrical properties, including stretchability, high conductivity, and stability. In this study, conducting ionogels comprising a double network (DN) of poly(N-isopropylacrylamide-co-N,N′-diethylacrylamide)/chitosan which are further reinforced by …
Learn MoreAttributed to their soft and stretchable feature, flexible supercapacitors have attracted increasing attention in areas of soft electronics, wearable devices, and energy storage systems. However, it …
Learn MoreFlexible supercapacitors have become research hotspot as the energy storage device to power up the wearable and portable electronics due to their high specific capacitance and power density, fast charge/discharge rate and …
Learn MoreStretchable supercapacitors have received widespread attention due to their potential applications in wearable electronics and health monitoring. Stretchable supercapacitors not only possess advantages such as high power density, long cycle life, safety, and low cost of conventional supercapacitors …
Learn MoreIn addition, we touch flexible aqueous energy devices with various configurations like thin-film energy devices, fiber energy devices, and porous matrix energy devices. Also, we present recent advanced aqueous energy with transparent and stretchable features beyond flexibility.
Learn MoreFabrication of unconventional energy storage devices with high stretchability and performance is challenging, but critical to practical operations of fully power-independent stretchable ...
Learn MoreAs the demand for flexible wearable electronic devices increases, the development of light, thin and flexible high-performance energy-storage devices to power them is a research priority. This review highlights the latest research advances in flexible wearable supercapacitors, covering functional classifications such as stretchability, …
Learn MoreBesides its contribution to capacitance, the flexible PPy can serve as a stress buffer during stretching, which is discussed ... which is attractive for high-performance super-stretchable devices ...
Learn MoreAn article in ACS Applied Energy Materials presents recyclable one-dimensional fibre-shaped supercapacitors for powering wearable electronic devices.
Learn MoreThis PANI-TPU fiber demonstrates a remarkable tensile strain tolerance of 537.8%, while the entire supercapacitor device maintains stable and high specific …
Learn MoreFlexible biosensors have become increasingly important in a variety of emerging healthcare applications. Many efforts have been made to obtain stretchable and highly conductive biomaterials, most of which are based on gold or silver nanoparticles. However, such materials have a number of disadvantages. This study proposes flexible …
Learn MoreThe capacitance retention is 82.4% after a large stretch (100%), while it is 54.2% after the third healing. ... that are orders of magnitude smaller than those possible with conventional electronics or even with recently explored flexible/stretchable device 149 ...
Learn More1. Introduction The development of flexible and stretchable technology in the last decade has boomed widespread interests owing to potential solutions in next-generation portable electronics [1], [2], [3], [4].A variety of cutting-edge applications may be achieved with ...
Learn MoreThe proposed flexible capacitor sensors based on 3M VHB 4905 tape and GaInSn and a wearable biosensor monitoring device that uses the CAV444 chip have many potential biomedical applications, such as parameter measurement, accident alert, electronic skin, motion feedback, and remote control. Flexible biosensors have become …
Learn MoreFlexible and stretchable devices configured in soft, water-resistant formats uniquely address seminal challenges in biomedicine. John Rogers and co-workers report an epidermal stimulation and sensing platform for sensorimotor prosthetic …
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