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, …
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The capacitance, conductivity, and ion migration ability of electrode materials are key factors affecting the energy density of supercapacitors (SCs). The synergistic application of porous carbon and two-dimensional (2D) materials can solve these problems. In this study, we successfully constructed porous B,
As an indispensable component of lithium-ion batteries (LIBs), the application of porous copper (Cu) foil current collector is an effective method to improve …
High performance flexible energy storage device based on copper foam supported NiMoO4 nanosheets-CNTs-CuO nanowires composites with core–shell …
In our study, flexible nitrogen porous organic polymers (FNPOPs) with high nitrogen content are synthesized by using acetic acid both as solvent and catalyst. The materials show moderate Brunauer–Emmett–Teller (BET) surface area and outstanding thermal stabilities ( T d : 330°C).
We demonstrate a cross−linked, 3D conductive network structure, porous silicon@carbon nanofiber (P−Si@CNF) anode by magnesium thermal reduction (MR) and the electrospinning methods. …
Flexible self-charging power sources harvest energy from the ambient environment and simultaneously charge energy-storage devices. This Review discusses different kinds of available energy devices ...
In previous reviews of electronics based on flexible porous substrates, the authors usually only focus on one type of porous substrate. For example, paper-based low-cost electronics, [6, 25] fabric-based wearable …
Besides, recent advances in integrating these energy devices into flexible self-powered systems are presented. Furthermore, the applications of flexible energy storage devices for biosensing are summarized. Finally, the prospects and challenges of the self-powered sensing system for wearable electronics are discussed.
The high loading density (2.1 mg cm –2) of HsGDY electrode is achieved by coating HsGDY powder on copper foil with 10% of Super P as conductive agent and 10% of polyvinylidene (PVDF) as binder.
We demonstrate the graphene inks'' versatility by making anode electrodes with SWCNTs for Li-ion energy storage, achieving a low-rate capacity of ~370 mAh g −1.
2 and CuO in situ grown on copper foil. b) SEM image of a CuO nanorod array. c,d) SEM (c) and low mag-nifi cation TEM (d) images of a single CuO nanorod. e) High resolution image of CuO. Figure 2. a–c) Optical images of pristine copper foil, a Cu(OH) 2
Instrumental analyses show that the porous C@SnO x nanosheets exhibit a remarkably large surface area of 221 m 2 g -1, delivering a reversible discharge capacity of 510 mA h …
Abstract Free-standing nanocellulose/ZIF-67 derived porous Co3O4 polyhedron hybrid dual-layer films were layer-by-layer successfully assembled by a water-based paper-making process. Nanocellulose (NFC) not only served as flexible substrate, but also it substituted expensive polymer binders to reduce the cost in the dual-hybrid film …
Ferroelectric PZT film based flexible energy storage capacitor on a Cu/PI foil is fabricated utilizing AD and IPL processes. • The IPL process favored the selective thermal treatment of the PZT thick film without degrading the Cu/PI substrate. •
In this review, we have summarized systematically the recent progress in flexible sodium-ion based energy storage devices from two aspects: flexible materials …
MXenes also act as the reinforcement in the electrolyte and the separator to promote their mechanical properties. 4.1. MXene as conductive binder in electrodes. To develop energy storage devices with high-performances, optimization of electrode fabrication such as binder system is also of importance [170].
Through thermal treatment of a metal–organic framework (MOF) precursor, of which the metal ion is provided by a Cu foil current collector, porous CuO nanorod arrays (NRAs) …
Interconnected Porous Structur e for Energy Storage Kewe i Sh u, a Ca iyun Wang,* a Sha L i, a, b Chen Zhao, a Yang Yang, a Hua kun Liu, b Gor don Walla ce* a A novel porous graphene paper is ...
Three-dimensional holey-graphene/niobia composite architectures for ultrahigh-rate energy storage. Science 356, 599–604 (2017). This study reports a 3D HG scaffold supporting high-performance ...
Flexible porous membranes have attracted increasing scientific interests due to their wide applications in flexible electronics, energy storage devices, sensors and bio-scaffolds. Here, inspired ...
The mechanical integrity of the active layers has also been improved by supporting the active particles within porous membranes 31,32, ... Wang, X. et al. Flexible energy-storage devices: design ...
A lightweight and flexible P@Cu porous composite current collector is fabricated using a straightforward process of electroless Cu deposition on porous …
The morphology of the N-doped porous MXene/TiO 2 heterogeneous film is analyzed by SEM and TEM. The top-view and cross-sectional SEM images of the freestanding film are given in Fig. 2 a ~ c. Compared to the Ti 3 C 2 T x film fabricated by untreated MXene sheets (Figure S4), which is composed of compact layered structure …
S1 Porous flexible wood scaffolds designed for high-Supporting Informationperformance electrochemical energy storage Tanveer Farid, †,‡ Yiyun Wang,‡ Muhammad Imran Rafiq,‡ Amjad Ali,‡ and Weihua Tang*†,‡ †Institute of Flexible Electronic (IFE, Future Technologies) & College of Materials, Xiamen ...
Ultralong cycle life, high energy, and power density rechargeable lithium‐ion batteries are crucial to the ever‐increasing large‐scale electric energy storage for …