Eliminating lithium dendrites via dependable ion regulation of charged nanochannels

Wang, Ce; Wang, Shiwen; Tang, Jiadong; Zhang, Jianhua; Wang, Jianbin; Zheng, Zilong; Jin, Yuhong; Wang, Hao; Zhang, Qianqian

doi:10.1016/j.ensm.2024.103427

Energy Storage Materials

2024

DOI: 10.1016/j.ensm.2024.103427

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Eliminating lithium dendrites via dependable ion regulation of charged nanochannels

Ce Wang,

Shiwen Wang,

Jiadong Tang

et al.

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2024

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Cited by 2 publications

References 44 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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Exploring Ion Transmission Mechanisms in Clay‐Based 2D Nanofluidics for Osmotic Energy Conversion

Wang,

Tang,

Liu

et al. 2024

Small

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Clay‐based 2D nanofluidics present a promising avenue for osmotic energy harvesting due to their low cost and straightforward large‐scale preparation. However, a comprehensive understanding of ion transport mechanisms, and horizontal and vertical transmission, remains incomplete. By employing a multiscale approach in combination of first‐principles calculations and molecular dynamics simulations, the issue of how transmission directions impact on the clay‐based 2D nanofluidics on osmotic energy conversion is addressed. It is indicated that the selective and rapid hopping transport of cations in clay‐based 2D nanofluidics is facilitated by the electrostatic field within charged nanochannels. Furthermore, horizontally transported nanofluidics exhibited stronger ion fluxes, higher ion transport efficiencies, and lower transmembrane energy barriers compared to vertically transported ones. Therefore, adjusting the ion transport pathways between artificial seawater and river water resulted in an increase in osmotic power output from 2.8 to 5.3 W m−2, surpassing the commercial benchmark (5 W m−2). This work enhanced the understanding of ion transport pathways in clay‐based 2D nanofluidics, advancing the practical applications of osmotic energy harvesting.

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Eliminating lithium dendrites via dependable ion regulation of charged nanochannels

Cited by 2 publications

References 44 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

Exploring Ion Transmission Mechanisms in Clay‐Based 2D Nanofluidics for Osmotic Energy Conversion

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