High‐Performance Electrochromic Energy Storage Devices Based on WO3 Nanoflower Via In Situ Intercalation With Polyaniline DOI

Haoming Xu,

Wenli Li,

Imtiaz Haider

et al.

Advanced Materials Technologies, Journal Year: 2025, Volume and Issue: unknown

Published: April 15, 2025

Abstract Structural design and interlayer architecture of electrochromic (EC) materials play significant role in their performance. Herein, tungsten trioxide (WO 3 ) nanoflowers have been synthesized through situ intercalation with polyaniline (PANI), developing a 3D hierarchical structure optimized interlayered spacing. The PANI‐WO composite showed superior EC stability due to improved ion storage capacity by extended surface area for interaction. enlarged layer spacing composites allows accommodating more exchangeable Li + . film maintains remarkable cycling stability, retaining 80% its initial after 30000 cycles. device based on demonstrates high optical modulation (57% at 633 nm), rapid switching speeds (coloration 23% 15 s bleaching 10 s) coloration efficiency (168 cm 2 C −1 ). Meanwhile, the supercapacitor achieves specific capacitance (121 mF −2 0.2 mA prolonged cyclic life (specific remains 58% coulombic 65% 1500 cycles). serves as an effective candidate fabrication high‐performance devices (ECDs) potential applications energy‐saving smart windows, outdoor static displays, other energy‐efficient technologies.

Language: Английский

Multifunctional flexible and stretchable electrochromic energy storage devices DOI Creative Commons
Libu Manjakkal, L. Pereira, Eric Kumi‐Barimah

et al.

Progress in Materials Science, Journal Year: 2024, Volume and Issue: 142, P. 101244 - 101244

Published: Jan. 27, 2024

Electrochromic energy storage devices (EESDs) including electrochromic supercapacitors (ESC) and batteries (ECB) have received significant recent attention in wearables, smart windows, colour-changing sunglasses due to their multi-functionality, colour variation under various charge densities. The performance of EESDs is mainly dependent on the properties three major components (i) current collector/substrate (cc/substrate) (ii) electrolyte (iii) materials (ECM). Among EESDs, advanced flexible or stretchable offer better functionality than conventional rigid glass-based are easily integrated with any curved surface. However, delamination, dissociation degradation critically affect lifecycle stable key issues solve for widespread deployment technology. A detailed review as therefore propitious design engineering next-generation ECBs ESCs. In this review, we considered importance implementation EESD fabrication along potential application sustainable systems.

Language: Английский

Citations

46
Versatile electrochromic energy storage smart window utilizing surfactant-assisted niobium oxide thin films DOI
Rutuja U. Amate, Pritam J. Morankar, Aviraj M. Teli

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 484, P. 149556 - 149556

Published: Feb. 13, 2024

Language: Английский

Citations

26
Roadmap for electrochromic smart devices: From materials engineering and architectures design to multifunctional application DOI

Jinhui Wang,

Xiaodan Guo,

Chenchen Bian

et al.

Progress in Materials Science, Journal Year: 2025, Volume and Issue: unknown, P. 101461 - 101461

Published: Feb. 1, 2025

Language: Английский

Citations

3
Highly Stable Poly(o-methoxyaniline)/WO3-Nanoflower Composite-Based Electrochromic Supercapacitors with Real-Time Charge Indication DOI
Pritha Dutta, Subash Cherumannil Karumuthil, Rahuldeb Roy

et al.

ACS Applied Polymer Materials, Journal Year: 2023, Volume and Issue: 5(6), P. 4088 - 4099

Published: May 12, 2023

Polymer-based electrochromic supercapacitors (ECSs) are state-of-the-art innovations that use a color change to visually convey stored energy status in real time. However, the electrochemical instability of polymers utilized such devices limits their commercialization due difficulties solution processability and short charge–discharge cyclic life. Herein, simple cost-effective chemical oxidative polymerization method is proposed for developing highly stable electrochromically active nanocomposite comprising poly(o-methoxyaniline) (PMOANI) WO3 nanoflowers. The shows areal specific capacitances 83 mF/cm2 133.16 F/g, respectively. Moreover, practical multifunctionality demonstrated by an ECS device (5 × 5 cm2), which density 370 mWh/kg power 4 W/kg with prolonged cycles (>5000). Further, timer display (1.2 V) >20 min using charged state (blue color), changes its during discharge, demonstrating capability as source real-time level indicator. It expected polymer/metal oxide will certainly be promising candidate replace traditional technologies achieve stability application modern electronic gadgets infrastructures.

Language: Английский

Citations

30
Electrically powered active smart windows DOI Creative Commons

Chaitanya Gadgil,

Aritra Ghosh, Ankur Bhattacharjee

et al.

Next Sustainability, Journal Year: 2024, Volume and Issue: 3, P. 100027 - 100027

Published: Jan. 1, 2024

Energy consumption within buildings, predominantly driven by non-renewable sources, remains a substantial contributor to greenhouse gas emissions. This is primarily attributed the demand for occupant comfort, encompassing air-conditioning, lighting, and electrical usage. In response this pressing challenge, switchable smart windows have emerged as highly promising solution applicable both residential commercial structures. By effectively modulating light heat, these offer multifaceted approach energy conservation, reduced heat loss, diminished reliance on artificial consequential cost savings. research paper critically evaluates latest advancements in electrically actuated windows, with specific focus AC-powered variants such Suspended Particles, Liquid Crystal, DC-powered Electrochromic windows. The study meticulously delves into operational principles, technical parameters, advantages, limitations, prospects, applications, energy-saving potential, market penetration of intelligent window technologies. Notably, investigation extends key thermal metrics like overall transfer coefficient solar gain coefficient, alongside optical attributes including correlated colour temperature (CCT) rendering index (CRI). Furthermore, report intricate challenges associated integrating building infrastructure, presenting viable solutions perspectives address concerns. These encompass absence standardized regulations UK, elevated costs, intricacies, limited development, uncharted compatibility new constructions retrofit designs. Through comprehensive analysis, endeavours shed potential avenues surmount obstacles, ultimately unlocking full establishing energy-efficient built environments.

Language: Английский

Citations

12
Evolving Trends in Electrochromic Energy Storage Devices: Insights from the Nanoarchitectonics of Metallo-Supramolecular Polymers DOI
Sayan Halder, Chanchal Chakraborty

Nano Energy, Journal Year: 2024, Volume and Issue: 131, P. 110243 - 110243

Published: Sept. 10, 2024

Language: Английский

Citations

11
Reusing the Wasted Energy of Electrochromic Smart Window for Near‐Zero Energy Building DOI Creative Commons
Yunfei Xie, Ruonan Huang,

Meini Li

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: 11(42)

Published: Sept. 16, 2024

Abstract Electrochromic smart windows (ESWs) are an effective energy‐saving technology for near‐zero energy buildings. They consume electric unidirectionally during a round‐trip coloring‐bleaching process, with the involved in bleaching process being wasted. It is highly desirable to reuse this wasted directly and/or transfer it into other storage equipment, further enhancing overall efficiency of usage. Herein, zinc anode‐based ESW (ESW‐PZ) reported that not only has fascinating visible–near‐infrared (VIS‐NIR) dual‐band electrochromic performance (a high optical contrast 63%) but also showcases good characteristics wide voltage window 2.6 V and density 127.5 µWh cm −2 ). The buildings utilizing ESW‐PZ modulate indoor environments demonstrated average annual saving 366 MJ m based on simulations, which about 16% total consumption. Impressively, utilization 90% (855 mWh ) realized through ingenious circuit‐switching strategy, can be reused power small household appliances.

Language: Английский

Citations

10
Processable oligoaniline-functionalized polyamide for electrochromic capacitive windows featuring energy recovery and reuse DOI
Yunfei Xie, Yingchao Zhang,

Meini Li

et al.

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 470, P. 144099 - 144099

Published: June 13, 2023

Language: Английский

Citations

20
Integrated device of luminescent solar concentrators and electrochromic supercapacitors for self-powered smart window and display DOI Creative Commons
Shichao Huang,

Haotian Guo,

Pengfei Xia

et al.

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: March 1, 2025

Luminescent solar concentrators are translucent photovoltaic modules potentially used for building window. To store the energy generated by them, a separate storage module and voltage regulator required, but it is clear that this pairing unwieldy application. address problem, we propose "face-to-face" tandem integration of luminescent electrochromic supercapacitors. In case, separated not since electric produced under sunlight can be directly stored supercapacitors with matched The charged to supply low-power devices. Moreover, exhibit adjustable average visible transmission different state, making integrated device interesting self-powered smart windows or display As an example, information instruction prepared, text messages could clearly rapidly displayed in controllable manner. capable conversion, storage, electrochromism promising alternative windows. Traditional generally require limiting applications Here, authors between electrochromism.

Language: Английский

Citations

1
Hydroxypropyl Cellulose‐Based Thermochromic Hydrogels for Smart Passive Cooling DOI Open Access
Jing Wang, Lei Yue,

Haneena Neermunda Jaleel

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 24, 2025

Abstract Solar heating through windows significantly increases thermal loads in buildings, vehicles, and greenhouses. In particular, overheating parked vehicles under direct sunlight poses serious safety risks, with numerous reports linking high interior temperatures to heat‐related fatalities among children pets. To address this challenge, a durable thermochromic hydrogel dual‐network structure of hydroxypropyl cellulose (HPC) polyacrylamide (PAAM), enhanced by calcium chloride (CaCl 2 ) for tunable transition temperature is developed. Through ion chelation hydrogen bonding, the transitions between transparent opaque states across wide range (15–42 °C), adapting various environments. Encapsulated acrylic sheets as smart windows, achieves passive cooling, reducing vehicle up 10 °C sunlight. The material also exhibits excellent mechanical strength, water retention, long‐term stability (400 cycles), ensuring real‐world reliability. These results demonstrate hydrogel's potential scalable applications sustainable building facades, greenhouse coverings, offering an energy‐efficient, eco‐friendly solution management. Unlike existing technologies requiring external power or complex fabrication, operates passively, making it cost‐effective alternative. This innovation addresses critical energy challenges while advancing next‐generation energy‐efficient materials global sustainability goals.

Language: Английский

Citations

1