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DOI: 10.1016/j.est.2023.109257 Corpus ID: 264138238 Electrodeposited ultra-thin FeCo2O4 nanosheets on nickel foam as binder-free electrodes for high-performance supercapacitors @article{Zhong2023ElectrodepositedUF, title={Electrodeposited ultra-thin
Here, a simple hydrothermal method was developed to synthesize NiS nanosheets on Ni foam. NiS nanosheets with a rough surface promise large electroactive surface area for energy storage, and show an ultra-high capacitance of 2587 F g −1 at a scan rate of 0.2 A g −1 (corresponding to the discharge time of 5563 s).
Potential Gradient-Driven Dual-Functional Electrochromic and Electrochemical Device Based on a Shared Electrode Design. The integration of electrochromic devices and energy storage systems in wearable electronics is highly desirable yet challenging, because self-powered electrochromic devices often require an
Graphene-intercalated P 4 Se 3 @CNF hybrid electrode for sustainable energy storage solution: Enabling high energy density and ultra-long cyclic stability Author links open overlay panel Daya Rani a, Raheel Hammad b, Mohd Afshan a, Harini E M a, Mansi Pahuja a, Rajashri Urkude c, Seema Rani a, Shumile Ahmed Siddiqui a, Subhabrata
Flexible transparent electrochemical energy conversion and storage devices (FT–EECSDs), with endurable mechanical flexibility, outstanding optical transmittance, excellent electrochemical performance, and additional intelligent functions, are considered as preferable energy supplies for future self-powered flexible electronic systems.
Low energy density of supercapacitors is one of the major downsides for their practical applications. Here, a simple hydrothermal method was developed to synthesize NiS nanosheets on Ni foam. NiS nanosheets with a rough surface promise large electroactive surface area for energy storage, and show an ultra-high capacitance of 2587 F g−1 at a
Ultra-thin NiS nanosheets as advanced electrode for high energy density supercapacitors† Hailong Yan ab, Kejia Zhu ab, Xu Liu ab, Yinghui Wang ab, Yangbo Wang ab, Deyang Zhang ab, Yang Lu ab, Tao Peng ab, Yunxin Liu c and Yongsong Luo * ab a School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang
All energy storage devices involve the shuttle and storage of ions between two electrodes, as well as the flow of electrons in external circuits. [ 83 - 85 ] As a result, the electrode should effectively transport a sufficient number of ions and electrons to the electrode and the external circuit, respectively. [ 86 ]
1. Introduction Supercapacitors as an electrochemical energy storage device are appealing due to their unique potentials and charming advantages including high power density, long life-span, and ultrafast charging/discharging rate.
This study demonstrates an ultra-thin multilayer approach to enhance the energy storage performance of ferroelectric-based materials. The ultra-thin structure in
Although thick electrodes are one of the most promising strategies for improving the energy density of batteries, preparing thick electrodes via conventional slurry casting processes presents many challenges. First, as shown in Fig. 1 (b), a thick slurry-cast electrode (SCE) cracks due to the retained thermal stress from large volume shrinkage
Three-dimensional (3D) electrodes with improved areal energy have become increasingly important for microscale energy storage at the dawn of the Internet of Things.
Ultra-thin, flexible supercapacitors for portable energy storage devices and intermittent electronic applications are closer to reality. This study developed a kind of thin flexible nanofibers paper electrodes (only about 12 μm in thickness) for all-solid-state
Graphene nanosheets are synthesized via the carbonization of brown-rice husks followed by a one-stage KOH-activation process for the design of a sustainable electrochemical energy-storage electrode. The graphene
Here, a simple hydrothermal method was developed to synthesize NiS nanosheets on Ni foam. NiS nanosheets with a rough surface promise large electroactive surface area for energy storage, and show an ultra-high
To solve this energy issue, constructing a three‐dimensional (3D) electrode within the limited footprint area is proposed as a new solution for improving the energy storage capacity of MSCs.
Hand-drawing patterned ultra-thin integrated electrodes for flexible micro Energy Storage Materials ( IF 20.4) Pub Date : 2017-10-15, DOI: 10.1016/j.ensm.2017.10.009
Geometric capacitance C s of the electrode films is used in this work to avoid inaccuracies related to the mass determination of the ultra-thin graphene electrodes, and is given by: C s (F cm-2) = 1 2 ∫ Idt / A Δ V where I is current (A), t is time (s), A is the electrode geometric area (1 cm 2), and Δ V is the voltage window (1 V).
NiS nanosheets with a rough surface promise large electroactive surface area for energy storage, and show an ultra-high capacitance of 2587 F g⁻¹ at a scan rate of 0.2 A g⁻¹ (corresponding
On the other hand, in case of pseudo capacitance process, a faradaic (redox) process occurs at the electrode surfaces, which produces the energy storage effects [4, 5]. The pseudo capacitance depends upon the behavior of electrodes'' material, which exhibits the electrochemical signature and the charge storage has strong linear
The obtained patterned micro SCs based on ultra-thin and integrated Ni/MnO 2 electrodes show a high energy density, good flexibility and superior stability
To the best of our knowledge, this is the first report on ultrathin and large lateral-sized Co(OH) 2 NS-based efficient bifunctional thin film electrodes for both
To investigate the electrochemical performance of as-designed samples for energy storage application, relevant electrochemical tests were carried out in three-electrode systems. The cyclic voltammetry (CV) plots of CSMP composites exhibit a couple of redox peaks, indicating its pseudo-capacitance characteristic ( Fig. 3 a ) [48], [49], [50] .
Self-assembly of NiMoO 4 nanoparticles on the ordered NiCo 2 O 4 ultra-thin nanoflakes core-shell electrode for high energy density supercapacitors and efficient oxygen evolution reaction Author links open overlay panel Vijay S. Kumbhar a b, Wonjoo Lee c, Kiyoung Lee a b
The proton exchange membrane water electrolyzer (PEMWE), which works as an inverse device of proton exchange membrane fuel cell (PEMFC), has been considered as a promising energy storage devise to generate hydrogen via
Overall, this study not only paves a new way for optimizing the catalyst uniformity and surface coverage with ultralow loadings but also provides new insights into nanostructured electrode design and facile fabrication for highly efficient and
In this paper, ternary metal oxides Zn-Co-Mo-rGO (ZCMG) and Zn-Co-Mo (ZCM) based electrode materials were prepared by one-step hydrothermal method. Compared with the ZCM, SEM and TEM results
Optimization of lithium metal anode is a pivotal part in facilitating the evolution of next-generation high energy density solid-state lithium metal batteries (LMBs). However, the practical application of lithium anode in solid-state LMBs is limited by uncontrollable dendrite growth and the poor interfacial contact with solid electrolyte.
Low energy density of supercapacitors is one of the major downsides for their practical applications. Here, a simple hydrothermal method was developed to synthesize NiS nanosheets on Ni foam. NiS nanosheets with a rough surface promise large electroactive surface area for energy storage, and show an ultra-high capa
Flexible transparent electrochemical energy conversion and storage devices (FT–EECSDs), with endurable mechanical flexibility, outstanding optical transmittance,
The cobalt-based spinel oxides MCo 2 O 4 (M = Ni, Mn, Cu, Fe, etc.) have garnered significant attention due to their potential applications in energy storage. In this study, ultra-thin FeCo 2 O 4 nanosheets have been synthesized through a facile electrodeposition method and used as binder-free electrodes for high-performance
Ultra-small vanadium nitride quantum dots embedded in porous carbon (VNQDs/PC) were fabricated by a thermal treatment process of NH 4 VO 3 /C 3 H 6 N 6 under nitrogen atmosphere. The specific capacitance of VNQDs/PC was 1008 mF cm −2 at a current density of 0.004 A cm −2, whereas the VN/carbon hybrid material
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