Hybrid electromagnetic and moisture energy harvesting enabled by ionic diode films.

IF 15.7 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES Nature Communications Pub Date : 2025-01-02 DOI:10.1038/s41467-024-55030-2

Zhenguo Gao, Cuiqin Fang, Yuanyuan Gao, Xin Yin, Siyuan Zhang, Jian Lu, Guanglei Wu, Hongjing Wu, Bingang Xu

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Abstract

Wireless energy-responsive systems provide a foundational platform for powering and operating intelligent devices. However, current electronic systems relying on complex components limit their effective deployment in ambient environment and seamless integration of energy harvesting, storage, sensing, and communication. Here, we disclose a coupling effect of electromagnetic wave absorption and moist-enabled generation on carrier transportation and energy interaction regulated by ionic diode effect. As demonstration, a wireless energy interactive system is established for electromagnetic-moist coupled energy harvesting and signal transmission through highly integrated polyelectrolyte/conjugated conductive polymer bilayer ionic diode films as dynamic energy-switching carriers. The gradient distribution of ions within the films, excited by moist energy, enables the ionic rectification and further endows the films with electromagnetic energy harvesting capability. In turn, the absorbed electromagnetic energy drives the directional migration of charge carriers and internal ionic current. By rationally regulating the electrolyte and dielectric properties of ionic diodes, it becomes feasible to control targeted electric signals and energy outputs under coupled electromagnetic-moist environment. This work is a step towards enabling enhanced smart interactivities for wirelessly driven flexible electronics.

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离子二极管薄膜实现了电磁和湿气能量的混合收集。

无线能量响应系统为智能设备供电和操作提供了一个基础平台。然而，目前的电子系统依赖于复杂的组件，限制了它们在环境中的有效部署和能量收集、存储、传感和通信的无缝集成。在这里，我们揭示了电磁波吸收和使湿产生对离子二极管效应调节的载流子输运和能量相互作用的耦合效应。作为演示，建立了一种无线能量交互系统，以高度集成的聚电解质/共轭导电聚合物双层离子二极管薄膜作为动态能量开关载体，实现电磁-湿耦合能量收集和信号传输。离子在膜内的梯度分布，受到湿能量的激发，使离子得以整流，并进一步赋予膜电磁能量收集能力。反过来，被吸收的电磁能量驱动载流子和内部离子电流的定向迁移。通过合理调节离子二极管的电解质和介电特性，实现对电磁-湿耦合环境下目标电信号和能量输出的控制。这项工作是朝着增强无线驱动柔性电子设备的智能交互迈出的一步。

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来源期刊

Nature Communications Biological Science Disciplines-

CiteScore

24.90

自引率

2.40%

发文量

6928

审稿时长

3.7 months

期刊介绍： Nature Communications, an open-access journal, publishes high-quality research spanning all areas of the natural sciences. Papers featured in the journal showcase significant advances relevant to specialists in each respective field. With a 2-year impact factor of 16.6 (2022) and a median time of 8 days from submission to the first editorial decision, Nature Communications is committed to rapid dissemination of research findings. As a multidisciplinary journal, it welcomes contributions from biological, health, physical, chemical, Earth, social, mathematical, applied, and engineering sciences, aiming to highlight important breakthroughs within each domain.