Journal ArticleDOI
Large-Scale Multifunctional Electrochromic-Energy Storage Device Based on Tungsten Trioxide Monohydrate Nanosheets and Prussian White
TLDR
A high-performance electrochromic-energy storage device (EESD) is developed, which successfully realizes the multifunctional combination of electrochromism and energy storage by constructing tungsten trioxide monohydrate nanosheets and Prussian white film as asymmetric electrodes.Abstract:
A high-performance electrochromic-energy storage device (EESD) is developed, which successfully realizes the multifunctional combination of electrochromism and energy storage by constructing tungsten trioxide monohydrate (WO3·H2O) nanosheets and Prussian white (PW) film as asymmetric electrodes. The EESD presents excellent electrochromic properties of broad optical modulation (61.7%), ultrafast response speed (1.84/1.95 s), and great coloration efficiency (139.4 cm2 C–1). In particular, remarkable cyclic stability (sustaining 82.5% of its initial optical modulation after 2500 cycles as an electrochromic device, almost fully maintaining its capacitance after 1000 cycles as an energy storage device) is achieved. The EESD is also able to visually detect the energy storage level via reversible and fast color changes. Moreover, the EESD can be combined with commercial solar cells to constitute an intelligent operating system in the architectures, which would realize the adjustment of indoor sunlight and the im...read more
Citations
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Fusing electrochromic technology with other advanced technologies: A new roadmap for future development
TL;DR: A systematic review of the literature on the fusing of electrochromic technology with other advanced technologies is presented in this article, which highlights the integration modes, design principles and performance optimization for different types of interdisciplinary electro chromic devices.
Journal ArticleDOI
Two-Dimensional WO3 Nanosheets Chemically Converted from Layered WS2 for High-Performance Electrochromic Devices.
Ashraful Azam,Jungmo Kim,Junyong Park,Travis G. Novak,Anand P. Tiwari,Sung Ho Song,Bumsoo Kim,Seokwoo Jeon +7 more
TL;DR: A novel solution-phase synthesis of 2D WO3 nanosheets is reported through simple oxidation from 2D tungsten disulfide (WS2) nanOSheets exfoliated from bulk WS2 powder, which shows color modulation and enhancement that are 3.43 times higher than the value of the conventional device using bulk WO2 powder.
Journal ArticleDOI
An electrochromic supercapacitor based on an MOF derived hierarchical-porous NiO film
TL;DR: A hierarchical porous NiO film/ITO glass bifunctional electrode has been prepared via the solvothermal and subsequent calcination process of growing MOF-74 in situ on ITO, which shows outstanding cycle reversibility, excellent capacitance, high coloration efficiency and short color-switching time.
Journal ArticleDOI
Recent Progress in Micro‐Supercapacitor Design, Integration, and Functionalization
Journal ArticleDOI
A novel solid-state electrochromic supercapacitor with high energy storage capacity and cycle stability based on poly(5-formylindole)/WO3 honeycombed porous nanocomposites
TL;DR: In this article, a honeycombed porous poly(5-formylindole) (P5FIn)/WO3 nanocomposites are successfully prepared through combining hydrothermal synthesis and electrochemical polymerization.
References
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Low-Cost High-Performance Solid-State Asymmetric Supercapacitors Based on MnO2 Nanowires and Fe2O3 Nanotubes
Peihua Yang,Yong Ding,Ziyin Lin,Zhongwei Chen,Yuzhi Li,Pengfei Qiang,Masood Ebrahimi,Wenjie Mai,Wenjie Mai,Ching-Ping Wong,Zhong Lin Wang,Zhong Lin Wang +11 more
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Journal ArticleDOI
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TL;DR: This work has successfully fabricated flexible asymmetric supercapacitors (ASCs) based on transition-metal-oxide nanowire/single-walled carbon nanotube (SWNT) hybrid thin-film electrodes, with advantages of mechanical flexibility, uniform layered structures, and mesoporous surface morphology.
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Crystalline WO3 nanoparticles for highly improved electrochromic applications
TL;DR: In this paper, the authors proposed two important criteria for selecting an EC material: the time constant of the ion-intercalation reaction, which is limited both by the diffusion coefficient and by the length of the diffusion path, and the coloration efficiency, the change in optical density (OD) per unit inserted charge, that is, CE= D(OD)/DQ.