For flexible energy storage systems, a gel electrolyte is particularly appealing compared to liquid electrolytes because of the following benefits [84]: (1) A gel electrolyte can stop liquid

Next, the application of inkjet-printed flexible energy storage devices in self-powered electronic systems is briefly introduced. At last, challenges and future development directions of inkjet-printed flexible energy storage devices are further discussed.

Flexible energy storage devices for wearable bioelectronics. Abstract: With the growing market of wearable devices for smart sensing and personalized healthcare applications, energy

The field of flexible electronics is a crucial driver of technological advancement, with a strong connection to human life and a unique role in various areas such as wearable devices and healthcare. Consequently, there is an urgent demand for flexible energy storage devices (FESDs) to cater to the energy storage needs of

flexible thin-film lithium ion battery was designed for this application and integrated with a flexible thin-film amorphous X. et al. Flexible energy-storage devices: design consideration and

As 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,

Graphical abstract. Flexible energy storage devices based on graphene-based materials with one-dimensional fiber and two-dimensional film configurations, such as flexible supercapacitors, lithium-ion and lithium–sulfur and other batteries, have displayed promising application potentials in flexible electronics. 1.

1 INTRODUCTION Rechargeable batteries have popularized in smart electrical energy storage in view of energy density, power density, cyclability, and technical maturity. 1-5 A great success has been witnessed in the application of lithium-ion (Li-ion) batteries in electrified transportation and portable electronics, and non-lithium battery chemistries

Carbon fibers (CFs) and CF-reinforced composites have been widely used as high performance structural materials in various military and civilian fields for decades. Owing to the rapid advances and boom in flexible/wearable electronics, CF materials endowed with excellent material properties have received gre

Flexible energy-storage devices are attracting increasing attention as they show unique promising advantages, such as flexibility, shape diversity, light weight, and so on; these properties enable applications in portable, flexible, and even wearable electronic devices

1 Introduction With the rapid rise of implantable, wearable, and portable electronic devices on the commercial market, wearable electronic devices that appear as gadgets, accessories, and clothing have already been widely used. [1-3] Especially, with the vigorous development of artificial intelligence and Internet of Things in the era of big data,

Novel flexible storage devices such as supercapacitors and rechargeable batteries are of great interest due to their broad potential applications in flexible electronics and implants. Hydrogels are crosslinked hydrophilic polymer networks filled with water, and considered one of the most promising electrolyt Journal of Materials Chemistry A Recent Review

Despite the potential low-cost, the sluggish kinetics of the larger ionic radius of Na (1.1 Å) leads to huge challenges for constructing high-performance flexible sodium-ion based energy storage devices: poor electrochemical performances, safety concerns and lack of flexibility [ [23], [24], [25] ].

In this review, the application scenarios of FESDs are introduced and the main representative devices applied in disparate fields are summarized first. More

As a functional electrolyte in flexible energy storage and conversion devices, biopolymer-based hydrogels have received extensive attention in energy storage and conversion applications recently. The general features and molecular structures of the most commonly used biopolymers for the fabrication of various hydrogel electrolytes for

As a result of its high areal and power densities, next-generation power-on-chip energy storage devices and flexible/wearable electronics may benefit from MScs made using DIW 3D printing [33]. Micro-channels divide the anode and cathode, located in the same lateral plane in the in-plane MSC configuration [ 34 ].

Hence, this review is focused on research attempts to shift energy storage materials toward sustainable and flexible components. We would like to introduce recent scientific achievements in the application

In this review, the recent progress on nanocellu-lose-based composites for flexible EES applications has been summarized, mainly focusing on their rational structural design, interfacial engineering, and mechanisms of energy storage as well as the emerging functions of the constructed EES devices.

The convenient manufacturing and superior electrochemical performance of inkjet-printed flexible and transparent MXene films widen the application horizon of this strategy for flexible energy storage devices. MXene is a generic name for a large family of two-dimensional transition metal carbides or nitrides, which show great promise in the field of

Abstract. Printed flexible electronic devices can be portable, lightweight, bendable, and even stretchable, wearable, or implantable and therefore have great potential for applications such as roll-up displays, smart mobile devices, wearable electronics, implantable biosensors, and so on. To realize fully printed flexible devices with

This paper reviews energy storage types, focusing on operating principles and technological factors. In addition, a critical analysis of the various energy storage types is provided by reviewing and comparing the applications (Section 3) and technical and economic specifications of energy storage technologies (Section 4).

This review concentrated on the recent progress on flexible energystorage devices, ‐. including flexible batteries, SCs and sensors. In the first part, we review the latest fiber, planar and three. ‐. dimensional (3D)based flexible devices with different. ‐. solidstate electrolytes, and novel structures, along with. ‐.

These results indicate the reported flexible Zn-ion batteries are robust and function well, attractive as a powerful and reliable energy storage device for various

To fulfill flexible energy-storage devices, much effort has been devoted to the design of structures and materials with mechanical characteristics. This review attempts to critically review the state of the art with respect to materials of electrodes and electrolyte, the device structure, and the corresponding fabrication techniques as well as

Abstract. With the growing market of wearable devices for smart sensing and personalized healthcare applications, energy storage devices that ensure stable power supply and can be constructed in flexible platforms have attracted tremendous research interests. A variety of active materials and fabrication strategies of flexible

Based on the characteristics of LIG, the applications of LIG in a series of energy storage devices such as supercapacitors and batteries are highlighted. Up to now, with the deepening of LIG research, a system based on preparation of LIG with different substrates and composite material synthesis, and various applications has gradually

Flexible microelectronic devices have seen an increasing trend toward development of miniaturized, portable, and integrated devices as wearable electronics which have the requirement for being light weight, small in dimension, and suppleness. Traditional three-dimensional (3D) and two-dimensional (2D) electronics gadgets fail to

To meet the design requirements of these products, these developments call for improved integration of energy storage devices. Another type of flexible electrolyte that can be used in power source systems is polymer hydrogel Fig. 18 A [99].

Flexible Energy Conversion and Storage Devices contains chapters, which are all written by top researchers who have been actively working in the field to deliver recent advances in areas from materials syntheses, through fundamental principles, to device applications. It covers flexible all-solid state supercapacitors; fiber/yarn based

In this review article, we provide an up-to-date progress report on aqueous electrolyte based flexible energy storage devices as well as their fabrication strategies. This review broadly summarizes the key components consisting of storage devices in terms of material designs to enable flexibility in aqueous media.

A comprehensive review is conducted on the preparation and synthesis of biomass-based flexible electrode materials, solid electrolyte and separator, and their applications in supercapacitors, metal-air batteries, lithium-ion batteries and lithium-sulfur batteries. Key words: biomass, flexible, energy storage, supercapacitor, battery.