一种由离子凝胶电极实现的多功能液滴能量收集器

IF 16.8 1区 材料科学 Q1 CHEMISTRY, PHYSICAL
Lingyun Wang , Yu Wang , Junkui Mi , Xiangyang Zhang , Yiying Yang , William W. Yu , Walid A. Daoud
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引用次数: 0

摘要

液滴能量收集器(DEH)一直在进行广泛的结构设计和组成创新,以提高其性能。然而,传统电子导体的刚性或不透明性限制了它们的实际应用。尽管有完善的等效电路模型来定性地理解器件的运行,但对动态过程的全面的原位定量分析仍然缺乏。在此,我们提出了一种基于电离胶的DEH (i-DEH),具有高透明度,灵活性,可扩展性,鲁棒性和多功能性,可以安装在各种平面/弯曲状态的基板上。与传统的铝基器件作为对照,具有相同配置的i-DEH具有1.2倍的输出电压和电流,并且在40µL液滴中实现了67.1 W/m2的显着功率密度,提高了2.24倍。首次利用静态和动态电化学阻抗谱来阐明其机理。此外,我们还展示了i-DEH在智能农场中的潜在应用场景,包括混合能量收集和自供电酸雨监测。这项研究为理解基于电离层凝胶的DEH系统提供了基本的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

A multifunctional droplet energy harvester enabled by ionogel electrodes

A multifunctional droplet energy harvester enabled by ionogel electrodes
Droplet energy harvesters (DEH) have been undergoing extensive structural design and composition innovation to enhance their performance. However, the rigidity or opacity of traditional electronic conductors has limited their practical application. Despite the well-established equivalent circuit models for qualitatively understanding device operation, a comprehensive in-situ quantitative analysis of the dynamic process remains lacking. Herein, we present an ionogel-based DEH (i-DEH) featuring high transparency, flexibility, scalability, robustness, and versatility to mount on various substrates in flat/curved states. Compared to a conventional aluminum-based device as the control, i-DEH with an identical configuration demonstrated a 1.2-fold output voltage and current and achieved a remarkable power density of 67.1 W/m2 with a 40-µL droplet, representing a 2.24-fold enhancement. For the first time, static and dynamic electrochemical impedance spectroscopy was utilized to elucidate the underlying mechanism. Moreover, we demonstrated a potential application scenario of i-DEH in a smart farm, including hybrid energy harvesting and self-powered acid-rain monitoring. This study provides fundamental insights into the understanding of ionogel-based DEH systems.
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来源期刊
Nano Energy
Nano Energy CHEMISTRY, PHYSICAL-NANOSCIENCE & NANOTECHNOLOGY
CiteScore
30.30
自引率
7.40%
发文量
1207
审稿时长
23 days
期刊介绍: Nano Energy is a multidisciplinary, rapid-publication forum of original peer-reviewed contributions on the science and engineering of nanomaterials and nanodevices used in all forms of energy harvesting, conversion, storage, utilization and policy. Through its mixture of articles, reviews, communications, research news, and information on key developments, Nano Energy provides a comprehensive coverage of this exciting and dynamic field which joins nanoscience and nanotechnology with energy science. The journal is relevant to all those who are interested in nanomaterials solutions to the energy problem. Nano Energy publishes original experimental and theoretical research on all aspects of energy-related research which utilizes nanomaterials and nanotechnology. Manuscripts of four types are considered: review articles which inform readers of the latest research and advances in energy science; rapid communications which feature exciting research breakthroughs in the field; full-length articles which report comprehensive research developments; and news and opinions which comment on topical issues or express views on the developments in related fields.
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