Flexible capacitor electrolyte
Supercapacitors based on ionic liquid gel polymer electrolytes (GPEs) have attracted considerable attention as a new energy storage device due to their good specific capacitance, good cycling capacity and stability. In this work, flexible gel polymer electrolyte (GPE) films were prepared and applied using three butyl imidazole ionic …
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Insight of super-capacitive properties of flexible gel polymer electrolyte …
Supercapacitors based on ionic liquid gel polymer electrolytes (GPEs) have attracted considerable attention as a new energy storage device due to their good specific capacitance, good cycling capacity and stability. In this work, flexible gel polymer electrolyte (GPE) films were prepared and applied using three butyl imidazole ionic …
Multifunctional Zincophilic Hydrogel Electrolyte with Abundant Hydrogen Bonds for Zinc-Ion Capacitors and Supercapacitors …
The 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 …
Flexible supercapacitor: Overview and outlooks
Flexible supercapacitor usually consists of flexible electrode with …
All-solid-state flexible supercapacitor using graphene/g-C3N4 composite capacitor electro…
Flexible supercapacitors using graphene have been intensively investigated due to their potential applications for wearable and smart devices. In order to avoid stacking between graphene layers, spacers such as carbon fibers and metal oxide particles are often introduced. Such composites enhance effectively the specific surface …
Flexible supercapacitor electrodes based on real metal-like cellulose papers
Flexible energy storage devices are a key enabling factor for the propagation of wearable or paper electronics in biomedical, consumer electronics, and military applications 1,2,3,4,5.Lithium-ion ...
Flexible supercapacitor electrodes based on real metal-like ...
Flexible energy storage devices are a key enabling factor for the propagation of wearable or paper electronics in biomedical, consumer electronics, and military applications 1,2,3,4,5.Lithium-ion ...
A high-performance flexible supercapacitor using dual alkaline …
Two flexible capacitor electrodes - holey reduced graphene oxide …
Preparation of PVA based multifunctional hydrogel electrolyte ...
The PVA hydrogel electrolyte holds significant promise in flexible supercapacitors owing to its high conductivity and foldability. However, the poor mechanical properties and low capacitance of pure PVA hydrogel electrolytes need to be further solved. Herein, phosphoric acid was employed to dissolve cellulose, which solution was used to …
Recent advances in flexible supercapacitors | Journal of Solid …
How to choose electrode materials, electrolytes, and assembly methods of flexible …
Solvent-free synthesis of an ionic liquid integrated ether-abundant polymer as a solid electrolyte for flexible electric double-layer capacitors ...
Solvent-free synthesis of an ionic liquid integrated ether-abundant polymer as a solid electrolyte for flexible electric double-layer capacitors† Ruiqi Na, ab Ching-Wen Su, b Yi-Han Su, b Yu-Chun Chen, b Yen-Ming Chen, b …
Engineering self-healing cellulose-reinforced organohydrogel ...
A novel hydrogel electrolyte for all-climate high-performance flexible zinc-ion hybrid capacitors within temperature range from −50 to 100°C Chem. Eng. J., 474 ( 2023 ), Article 145551, 10.1016/j.cej.2023.145551
High energy flexible supercapacitors formed via …
Flexible solid supercapacitors (FSSCs) are usually constructed by sandwiching a gel electrolyte between a pair of porous …
A high-temperature flexible supercapacitor based on pseudocapacitive ...
Although flexible all-solid-state supercapacitors (f-SSCs) have been receiving much attention as promising flexible energy storage devices, most of them cannot operate at high temperatures due to the volatility or flammability of currently used aqueous and organic electrolytes. Here, we report an ionic liqui
Cellulose eutecticgel electrolytes based on ethylene glycol/zinc chloride deep eutectic solvent for flexible solid-state capacitors …
In recent years, hydrogel electrolyte, as a new type of solid electrolyte, has become an excellent material for the preparation of capacitors due to its good mechanical properties, excellent flexibility, biocompatibility, and higher ionic conductivity [14], and has[15].
A Flexible Mode Electrolytic Capacitor-Free LED Driver With High ...
The conventional ac-dc LED drivers fail to achieve high efficiency and optimized bus voltage over a wide range of input voltage. In order to obtain the better performance in high-line and low-line conditions simultaneously, a flexible mode LED driver is proposed. The proposed driver can operate in half-voltage input mode at high-line input …
All-in-one flexible supercapacitor with ultrastable performance …
Then, two identical electrolyte-coated C3@mDW(100) electrodes were twisted and attached by additional curing of a small amount of electrolyte in the gap between the electrodes. Electrochemical characterizations were conducted using a potentiostat (VSP-300, Biologic) in a symmetric two-electrode configuration.
High energy density, flexible, low temperature resistant and self-healing Zn-ion hybrid capacitors based on hydrogel electrolyte …
Flexible and self-healing ionic hydrogel as electrolyte of Zn-ion hybrid capacitors was designed. • The assembled Zn-ion hybrid capacitors delivered a high energy density of 205.3 Wh kg −1. The assembled capacitors were also flexible, self-healing and low
Development of flame-retardant ion-gel electrolytes for safe and …
The introduction of ether-containing flexible chain segments to the ion-gel …
Self-Healable Poly(vinyl alcohol)─Metal–Organic Hybrid Gel Electrolyte ...
DOI: 10.1021/acsapm.2c00896 Corpus ID: 251820280; Self-Healable Poly(vinyl alcohol)─Metal–Organic Hybrid Gel Electrolyte for Flexible Capacitor Sensors @article{Wang2022SelfHealablePA, title={Self-Healable Poly(vinyl alcohol)─Metal–Organic Hybrid Gel Electrolyte for Flexible Capacitor Sensors}, author={Zi-Cheng Wang and …
All-in-one flexible supercapacitor with ultrastable …
Abstract. Fiber-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 and …
Freeze-tolerant gel electrolyte membrane for flexible Zn-ion hybrid supercapacitor …
Fig. 2 a presents the FTIR spectra for the SA film, PAM hydrogel, PAM-SA hydrogel, and gel electrolyte membranes. For the SA film, the characteristic absorption bands at 1600 and 1410 cm −1 signifies the symmetric and asymmetric stretching of the COO group, while the peaks at 1100 and 1040 cm −1 may be assigned to the C O …
The rise of flexible zinc-ion hybrid capacitors: advances, challenges, and outlooks …
The advent of flexible electronic devices has given rise to urgent demand for compatible flexible power sources. Zinc-ion hybrid capacitors (ZIHCs) combine the complementary advantages of zinc-ion batteries— for high energy density—and supercapacitors— for exceptional power density and cycling stability—and
The rise of flexible zinc-ion hybrid capacitors: advances, challenges ...
The advent of flexible electronic devices has given rise to urgent demand for compatible flexible power sources. Zinc-ion hybrid capacitors (ZIHCs) combine the complementary advantages of zinc-ion batteries— for high energy density—and supercapacitors— for exceptional power density and cycling stability—and thus they have …
Renewable flexible supercapacitors based on all-lignin-based hydrogel electrolytes and nanofiber electro…
In 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
Textile-based supercapacitors for flexible and wearable electronic ...
Among the various energy storage devices, thin and flexible supercapacitors are gaining more consideration for wearable electronics due to their salient features, such as excellent lifetime ...
Recent developments in MoS2-based flexible supercapacitors
The gel-based electrolytes are used in flexible capacitors, which are the key component that decides the device''s stability, voltage window, and rate capability. From the existing different gel electrolytes, polymer gel-based electrolytes are widely used for FSCs due to their high ionic conductivity [ [44], [45], [46] ].
Coatings | Free Full-Text | Facile Synthesis of …
The development of hydrogel electrolytes plays a critical role in high-performance flexible supercapacitor devices. Herein, a composite hydrogel electrolyte of polyacrylic acid (PAA) and graphene …
Electrochemical characteristics of flexible open-cell …
A flexible hybrid open-cell supercapacitor, designed to operate at 1.5 V, …
Flexible supercapacitors based on carbon nanotubes
The flexible SWCNT film electrodes and the gel electrolyte were sandwiched to assemble flexible SC devices [109]. Moreover, several SCs could be integrated in the perpendicular and parallel directions to construct the fully printable SCs with diverse shapes [99] .
Ultra-stable flexible Zn-ion capacitor with ...
Ultra-stable flexible Zn-ion capacitor with pseudocapacitive 2D layered niobium oxyphosphides. Author links open overlay panel Swati J. Patil a, Nilesh R. Chodankar a, ... [14], [15], [16]. Furthermore, a Zn(CF 3 SO 3) 2-based electrolyte (rather than ZnSO 4 and ZnCl 2) has been used in ZICs to achieve longer cycling stability and to …