Ultralarge Curvature and Extreme Rapid Degradable Porous Wood Based Flexible Triboelectric Sensor for Physical Motion Monitoring,Advanced Materials Technologies

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Ultralarge Curvature and Extreme Rapid Degradable Porous Wood Based Flexible Triboelectric Sensor for Physical Motion Monitoring
Advanced Materials Technologies ( IF 6.4 ) Pub Date : 2022-12-04 , DOI: 10.1002/admt.202201066
Sheng Bi ₁ , Xu Han ₁ , Qiangqiang Chen ₁ , Buhan Gao ₁ , Luhua Chen ₁ , Zhengran He ₂ , Chengming Jiang ₁

Affiliation

Flexible self-power triboelectric nanogenerators (TENGs) have attracted worldwide attention in the fields of optoelectronic systems, communication, and biomedical diagnostics due to its outstanding energy collection capacity and high output potential. Wood, as a natural and environmental friendly material with excellent mechanical properties, is an ideal material for construction of high performance TENG. Herein, a porous wood based flexible triboelectric sensor (PWFTS) as a wearable motion testing system with ultralarge folding curvature and extreme high stability for real-time body motion monitoring is presented. With an over 180° curving angle, the output power of the PWFTS from porous wood is more than 200% compared with that from natural wood. Moreover, a rapid degradation of as low as 48 h with extremely reliable repeatability and stability leads to an ideal candidate for wearable devices. The enhancement of such PWFTS may open up opportunities in innovative applications in various triboelectric devices and flexible integrated systems.

中文翻译：

用于物理运动监测的超大曲率和极速可降解多孔木基柔性摩擦电传感器

柔性自供电摩擦纳米发电机（TENGs）由于其出色的能量收集能力和高输出潜力，在光电系统、通信和生物医学诊断领域引起了全世界的关注。木材作为一种天然环保材料，具有优异的力学性能，是构建高性能TENG的理想材料。在此，提出了一种基于多孔木材的柔性摩擦电传感器 (PWFTS) 作为可穿戴运动测试系统，具有超大折叠曲率和极高的稳定性，可实时监测人体运动。超过 180° 的弯曲角度，与天然木材相比，多孔木材的 PWFTS 输出功率超过 200%。而且，低至 48 小时的快速降解以及极其可靠的可重复性和稳定性使其成为可穿戴设备的理想候选者。这种 PWFTS 的增强可能会在各种摩擦电设备和灵活的集成系统中开辟创新应用的机会。

更新日期：2022-12-04

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