Biomass Based Moisture-Triggered Hybrid Actuator and Electric Generator with Self-Powered Motion Tracking Capability

IF 9.6 1区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Nano Letters Pub Date : 2025-05-27 DOI:10.1021/acs.nanolett.5c01624

Mingyuan Liu, Yijun Yao, Xinyang He, Zixiu Li, Yansong Liu, Hongxing Tao, Zhen Li, Yue Zhang, Liming Wang, Hongnan Zhang, Xiaohong Qin

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Abstract

Constructing moisture-triggered devices with actuation, power generation, and motion tracking capability simultaneously utilizing solution-processable biomass materials is intriguing while remaining a great challenge. Herein, we designed and integrated a device for synchronized actuation and energy output under moisture stimulation, which was constructed with Zn–C electrodes, a biomass film, and a PET film. The biomass membrane with hygroscopicity and ion transport was fabricated using the long-term stable microgel (CKM-GO) composed of cellulose, keratin, and graphene oxide (GO). The integrated device possessed both the fascinating actuation parameters (bending angle of 117°, response time of 3.5 s, curvature of 0.51 cm^–1) and energy output (output voltage of 1.2 V and current of 2.2 μA) at 80% RH. Furthermore, the assembled arms grasped–released an object under moisture stimulation, meanwhile the self-powered generated voltage signal tracked the operation process. The device with multiple moisture-responsive functions provides promising platforms for self-powered motion tracking, intelligent robotics, and energy production.

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具有自供电运动跟踪能力的生物质湿触发混合执行器和发电机

利用可溶液处理的生物质材料同时构建具有驱动、发电和运动跟踪能力的湿气触发装置是一个有趣的同时也是一个巨大的挑战。在此，我们设计并集成了一个在水分刺激下同步驱动和能量输出的装置，该装置由Zn-C电极、生物质膜和PET膜组成。采用纤维素、角蛋白和氧化石墨烯组成的长期稳定微凝胶（CKM-GO）制备了具有吸湿性和离子传输的生物质膜。该装置具有良好的驱动参数（弯曲角为117°，响应时间为3.5 s，曲率为0.51 cm-1）和80% RH下的能量输出（输出电压为1.2 V，电流为2.2 μA）。此外，组装的手臂在水分刺激下抓放物体，同时自供电产生的电压信号跟踪操作过程。该设备具有多种湿度响应功能，为自供电运动跟踪、智能机器人和能源生产提供了有前途的平台。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nano Letters 工程技术-材料科学：综合

CiteScore

16.80

自引率

2.80%

发文量

1182

审稿时长

1.4 months

期刊介绍： Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including: - Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale - Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies - Modeling and simulation of synthetic, assembly, and interaction processes - Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance - Applications of nanoscale materials in living and environmental systems Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.