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Integrated Design of Highly Porous Cellulose-Loaded Polymer-Based Triboelectric Films toward Flexible, Humidity-Resistant, and Sustainable Mechanical Energy Harvesters
ACS Energy Letters ( IF 19.3 ) Pub Date : 2020-05-28 , DOI: 10.1021/acsenergylett.0c00635 Sontyana Adonijah Graham 1 , Bhaskar Dudem 1 , Harishkumarreddy Patnam 1 , Anki Reddy Mule 1 , Jae Su Yu 1
ACS Energy Letters ( IF 19.3 ) Pub Date : 2020-05-28 , DOI: 10.1021/acsenergylett.0c00635 Sontyana Adonijah Graham 1 , Bhaskar Dudem 1 , Harishkumarreddy Patnam 1 , Anki Reddy Mule 1 , Jae Su Yu 1
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A wearable and humidity-resistant cellulose-based flexible triboelectric nanogenerator (FTENG) device with high performance is proposed here. In this regard, cellulose extracted from cotton was combined with a poly(vinyl alcohol) solution and spray-coated onto a conductive–flexible substrate to develop a highly porous and flexible triboelectric film (HPF) which was employed in the fabrication of a FTENG. The dependence of electrical performance on the surface area was comprehensively studied by varying the surface area of the HPF. Furthermore, the HPF-based FTENG (HPF-FTENG) is lightweight, flexible, and robust; has a low processing cost; and can withstand a humid environment. Thus, the proposed device can be used not only to scavenge various mechanical disturbances within the surrounding environment but also to harvest mechanical energy underwater and in harsh environmental conditions. Finally, the electricity generated by the HPF-FTENG was employed to power various portable electronics, which supports a paradigm shift in the context of wearable and durable mechanical energy harvesters.
中文翻译：
面向多孔，耐湿和可持续机械能收集器的高度多孔纤维素基聚合物摩擦电薄膜的集成设计
本文提出了一种高性能的可穿戴且耐湿的纤维素基柔性摩擦电纳米发电机（FTENG）。在这方面，将从棉花中提取的纤维素与聚乙烯醇溶液混合，然后喷涂在导电-柔性基底上，以开发出高度多孔和柔性的摩擦电薄膜（HPF），该薄膜可用于制造FTENG。通过改变HPF的表面积全面研究了电性能对表面积的依赖性。此外，基于HPF的FTENG（HPF-FTENG）轻巧，灵活且坚固。加工成本低；并能承受潮湿的环境。从而，所提出的装置不仅可以用来清除周围环境中的各种机械干扰，而且可以在水下和恶劣的环境条件下收集机械能。最后，由HPF-FTENG产生的电能被用于为各种便携式电子设备供电，这在可穿戴和耐用的机械式能量收集器的背景下支持了范式转换。
更新日期：2020-07-10
中文翻译：
面向多孔，耐湿和可持续机械能收集器的高度多孔纤维素基聚合物摩擦电薄膜的集成设计
本文提出了一种高性能的可穿戴且耐湿的纤维素基柔性摩擦电纳米发电机（FTENG）。在这方面，将从棉花中提取的纤维素与聚乙烯醇溶液混合，然后喷涂在导电-柔性基底上，以开发出高度多孔和柔性的摩擦电薄膜（HPF），该薄膜可用于制造FTENG。通过改变HPF的表面积全面研究了电性能对表面积的依赖性。此外，基于HPF的FTENG（HPF-FTENG）轻巧，灵活且坚固。加工成本低；并能承受潮湿的环境。从而，所提出的装置不仅可以用来清除周围环境中的各种机械干扰，而且可以在水下和恶劣的环境条件下收集机械能。最后，由HPF-FTENG产生的电能被用于为各种便携式电子设备供电，这在可穿戴和耐用的机械式能量收集器的背景下支持了范式转换。
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