Stretchable energy storage E-skin supercapacitors and body movement sensors

Wang, Jian; Lou, Hengyi; Meng, Junjing; Peng, Ziwen; Wang, Bing; Wan, Junmin

doi:10.1016/j.snb.2019.127529

Cited by 38 publications

(26 citation statements)

References 35 publications

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“…[109] In addition, improved the dielectric layer material using two sublayered AgNW hybrid conductive networks fixed into the PDMS layer and sandwiched using AgNW/MNW film electrodes and PVA-KOH solid electrolyte was achieved to fabricate a stretchable pressure sensor and energy storage e-skin supercapacitors. [110] Fabricating microstructured electrodes have also been explored extensively. Chen reported a straightforward assembly approach to obtain microstructure nanofibrous electrodes.…”

Section: Structures Designsmentioning

confidence: 99%

Recent Progress in Flexible Pressure Sensors Based Electronic Skin

2021

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In recent years, implantable electronics, electronic skin (e-skin), and flexible wearable devices have been developed due to their extensive applications in health monitoring, intelligent robots, and human disease treatment. Tactile sensors are the keys necessary to build skin-inspired electronics. This article reviews the latest progress of e-skin-based flexible pressure sensors, such as piezoresistivity, capacitance, triboelectricity, and piezoelectricity from 2018 up to now. The working principles, structure design, active materials, and performance of numerous flexible pressure sensors are covered in detail. Finally, insights are provided and challenges and future perspectives of flexible pressure sensors in practical applications are discussed.

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Section: Structures Designsmentioning

confidence: 99%

Recent Progress in Flexible Pressure Sensors Based Electronic Skin

2021

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“…In fact, the volumetric energy density (E V , W h m −3 ) is more reasonable than the areal energy density and gravimetric energy density (E m ) in FSCs. The volumetric specific capacitance (C cell-V ) and E v of the device can be calculated by Equations (4,5):…”

Section: Performance Metrics Of All-in-one Fscsmentioning

confidence: 99%

“…It has attracted much attention due to its higher power density, faster charging-discharging rates and longer service life than the traditional batteries [1,3]. The booming development of wearable intelligent electronics has driven the demand for flexible electronic energy storage devices, such as electronic skin [4], health monitoring bioelectronics [5], biosensor [6], wearable smart textile [7], and flexible displays [8], which are extremely popular [9,10]. As research continues to deepen and diversify, some functional SCs have been designed.…”

Section: Introductionmentioning

confidence: 99%

Recent advances in all-in-one flexible supercapacitors

et al. 2020

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The rise of personalized flexible electronics has promoted the rapid development of flexible supercapacitors due to their long service life, fast charging-discharging rates and safe operation. Different from the traditional flexible supercapacitors, the all-in-one integrated flexible supercapacitors are more resistant to deformation and lower interface resistance, which have a broader application prospect in the field of flexible electronics. This review briefly summarizes the preparation methods and electrochemical properties of some typical all-in-one supercapacitors, represented by planar and fibrous structures in recent years. Firstly, the basic understanding of traditional flexible supercapacitors and all-in-one integrated flexible supercapacitors, and the key parameters of the performance of flexible supercapacitors are introduced. Subsequently, the hydrogel matrix all-in-one supercapacitors with different functional characteristics (stretchable, self-healing and compressible) and the nonhydrogel matrix (separator, flexible membrane) all-in-one supercapacitors are discussed. Furthermore, the challenges and future development of flexible supercapacitors are considered.

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“…In recent years, researchers have repeatedly attempted to integrate multiple functions into stretchable supercapacitor systems. Because of their 2D structure, planar supercapacitors can exhibit various functions, such as ultrathin devices, [76] transparent devices, [160,164,188] and electrochromic, [46,47,141] sensing, [45,186] self-healing, [58,65,161] and self-powered [118,119] abilities to produce multifunctional planar supercapacitors to meet multiple functional requirements. The fibrous supercapacitor can share a fibrous electrode with other fibrous energy conversion devices or other fibrous energy storage devices and can be integrated into one device with self-powering ability, high energy density, and high power density simultaneously.…”

Section: Multifunctional Stretchable Supercapacitorsmentioning

confidence: 99%

Stretchable Supercapacitors: From Materials and Structures to Devices

Shao

Chen

et al. 2020

Small Methods

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Stretchable 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 but also have excellent flexibility and stretchability, which make them well integrated with other wearable systems. In this review, various strategies to fabricate stretchable supercapacitors are focused. The preparation methods for stretchable electrodes/devices in the literature are carefully classified and analyzed. Three strategies for preparing stretchable electrodes/devices are summarized in detail—the design of elastic polymer substrates, stretchable electrode structures, and composite electrodes combined with elastic polymers and stretchable structures. Meanwhile, the interface problem of electrodes/devices in the stretching process is studied in depth. The research progress of multifunctional stretchable supercapacitors is also introduced. Finally, challenges and possible solutions that still need to be addressed in the future development of stretchable supercapacitors are highlighted and prospected. This review comprehensively discusses the latest research progress in the field of stretchable supercapacitors and systematically elucidates the electrochemical and mechanical properties of these devices, hoping to improve the roadmap for scientists and engineers to develop supercapacitors with high electrochemical performance and good stretchability.

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Stretchable energy storage E-skin supercapacitors and body movement sensors

Cited by 38 publications

References 35 publications

Recent Progress in Flexible Pressure Sensors Based Electronic Skin

Recent Progress in Flexible Pressure Sensors Based Electronic Skin

Recent advances in all-in-one flexible supercapacitors

Stretchable Supercapacitors: From Materials and Structures to Devices

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