All-in-One plasticized Ionogel-based stretchable electrochromic devices

Oh, Sea Cheon

doi:10.1016/j.cej.2023.143367

Chemical Engineering Journal

2023

DOI: 10.1016/j.cej.2023.143367

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All-in-One plasticized Ionogel-based stretchable electrochromic devices

Sea Cheon Oh

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2024

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Cited by 4 publications

References 54 publications

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Anion‐Selective Ion Conductor Boosting Highly Flexible All‐In‐One Electrochromic Fabrics

Li,

Wang

et al. 2024

Adv Funct Materials

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Flexible all‐in‐one electrochromic fabrics (AECF) have attracted attention for application in wearable intelligent electronics. However, undifferentiated and disordered ion transport within the AECFs usually cause a slow transfer kinetics of reactive ions and thus restrict their electrochromic performance. Here, a new strategy is proposed to optimize active ion transport based on a well‐designed anion‐selective ion conductor (ASIC) for boosting the anionic AECF. The ASIC is developed by the interaction difference between ions and electronegative functional groups in the fabric substrate. Benefiting from cation immobilization and free anion transport, the ASIC exhibits both high anion transference number (0.75) and ionic conductivity (2.41 × 10−3 S cm−1) at room temperature. Such optimization of anion transport dynamics enhances the efficiency of the electrochromic redox reaction in the polyaniline‐based anionic AECF, contributing to a significant improvement of the overall electrochromic performance. Based on the switchable earth yellow and dark green discoloration, the AECF is further integrated into a camouflage uniform, achieving dynamic environment adaptation in deserts or forests. This work is anticipated to provide some fresh ideas for developing functional ion conductors of electrochromic fabrics toward applications in wearable intelligent electronics.

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Anion‐Selective Ion Conductor Boosting Highly Flexible All‐In‐One Electrochromic Fabrics

Li,

Wang

et al. 2024

Adv Funct Materials

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Recent Advances in Electrochromic Devices: From Multicolor to Flexible Applications

Cho,

Hwang,

et al. 2024

Advanced Photonics Research

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With increasing demand for energy saving and environmental sustainability, electrochromic devices (ECDs) are considered as emerging display devices with low energy consumption. While various reflective‐type displays produce images with low energy, achieving full color displays often involves much device complexity and nonflexibility. Multicolor ECDs aim to realize full color reflective‐type displays, surpassing the current monochromic type or limited coloration capabilities in a 1D color space. Enhancing device flexibility is also highly desirable for use of ECDs in wearable and flexible electronics for health monitoring and advanced textiles with easy visualization. In this review, recent advances in multicolor and flexible ECDs are examined. Several primary strategies to achieve multicolor ECD are described, including material modifications, color overlay, and dye‐mediated colorations. In addition, recent developments in flexible ECDs are explored, emphasizing novel materials and fabrication processes that improve mechanical durability and reliability under deformation. It is expected that this review will provide a comprehensive understanding of multicolor and flexible ECDs for applications in smart windows, displays, and wearable electronics.

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Stretchable interconnected modular electrochromic devices enabled by self-healing, self-adhesive, and ion-conducting polymer electrolyte

Sun,

Sik Kim,

Yeon Eom

et al. 2024

Chemical Engineering Journal

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All-in-One plasticized Ionogel-based stretchable electrochromic devices

Cited by 4 publications

References 54 publications

Anion‐Selective Ion Conductor Boosting Highly Flexible All‐In‐One Electrochromic Fabrics

Anion‐Selective Ion Conductor Boosting Highly Flexible All‐In‐One Electrochromic Fabrics

Recent Advances in Electrochromic Devices: From Multicolor to Flexible Applications

Stretchable interconnected modular electrochromic devices enabled by self-healing, self-adhesive, and ion-conducting polymer electrolyte

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