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Organogel electrode enables highly transparent and stretchable triboelectric nanogenerators of high power density for robust and reliable energy harvesting
Nano Energy ( IF 17.6 ) Pub Date : 2020-09-15 , DOI: 10.1016/j.nanoen.2020.105373
Titao Jing , Bingang Xu , Yujue Yang , Meiqi Li , Yuanyuan Gao

Rapid advancements in stretchable and multifunctional next-generation electronics have raised great demand in development of transparent, stretchable and reliable power sources. Here, an organogel electrode, consisted of Poly(4-acryloylmorpholine) frame and low polarity propylene carbonate swelling solvent, was prepared for constructing a new kind of organogel ionic electrode based triboelectric nanogenerator (TENG), called Og-TENG, which not only possessed high transparence (95%) and stretchability (∼387%), but also exhibited excellent electric reliability and mechanical robustness (foldable and twistable) under daily working temperature range (-20°C- 45 °C). The electric performance of Og-TENG is extraordinary, reaching a high instantaneous power density of 4.03 W/m2. The rational design of organogel electrode endowed the Og-TENG with excellent anti-freezing and solvent retention properties. Moreover, the good compatibility between organogel and triboelectric elastomer improved the interface adhesion and further made Og-TENG as a high reliable device under mechanical deformations as compared to high polarity gels based TENGs. The Og-TENG was demonstrated in harvesting bio-mechanical energies and detecting human gestures. This work provides a new strategy to prepare transparent and stretchable TENGs of high power density for reliable and robust energy harvesting in daily working temperature range, exhibiting promising potentials in development of stretchable and multifunctional next-generation electronics.



中文翻译:

有机凝胶电极可实现具有高功率密度的高度透明和可拉伸的摩擦电纳米发电机,从而实现可靠而可靠的能量收集

可拉伸多功能多功能电子产品的快速发展对透明,可拉伸和可靠电源的开发提出了很高的要求。在此,制备了一种由聚(4-丙烯酰基吗啉)骨架和低极性碳酸亚丙酯溶胀溶剂组成的有机凝胶电极,用于构建一种新型的名为Og-TENG的新型基于有机凝胶离子电极的摩擦电纳米发生器(TENG)。高透明度(95%)和可拉伸性(〜387%),但在日常工作温度范围(-20°C- 45°C)下也表现出出色的电气可靠性和机械强度(可折叠和可扭曲)。Og-TENG的电性能非凡,达到4.03 W / m 2的高瞬时功率密度。有机凝胶电极的合理设计使Og-TENG具有出色的抗冻性和溶剂保留性能。此外,与基于高极性凝胶的TENGs相比,有机凝胶与摩擦电弹性体之间的良好相容性提高了界面粘合性,并使Og-TENG在机械变形下成为高度可靠的设备。Og-TENG在收获生物机械能和检测人的手势方面得到了证明。这项工作提供了一种新的策略,以准备透明且可拉伸的高功率TENG,以在日常工作温度范围内可靠而稳定地收集能量,在可拉伸和多功能下一代电子产品的开发中具有广阔的发展潜力。

更新日期:2020-09-15
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