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An all-fibrous triboelectric nanogenerator with enhanced outputs depended on the polystyrene charge storage layer
Nano Energy  (IF17.881),  Pub Date : 2021-09-16, DOI: 10.1016/j.nanoen.2021.106515
Haitao Wang, Hiroaki Sakamoto, Hanako. Asai, Jia-Han Zhang, Taichi Meboso, Yuji Uchiyama, Eiichi Kobayashi, Eiichiro Takamura, Shin-ichiro Suye

Electrospun fibers based-triboelectric nanogenerators (EF-TENGs) are considered to have a positive application prospect on wearable energy harvesters. However,the poor comfortable breathability and low output performance under weak force as the common problems which are associated with the EF-TENGs are the principal issue that impede the practical applications. Here, an improved EF-TENG with breathable-antibacterial electrode and electrostatic induction enhancement layer is proposed by introducing silver nanowires (AgNWs) as electrodes and electrospun polystyrene (PS) nanofibers as charge storage layer, respectively. Based on this, a high-performance all-fibrous materials-based triboelectric nanogenerator (AF-TENG) is successfully fabricated and investigated. A high output voltage 200 V and current density 70 mA/m2 was achieved with the work area of 90 mm2 and AF-TENG was demonstrated could charge the economical capacitor with 1 μF to 2 V at a short time of 40 s under a continuous driven force and frequency at 1 Hz. Simultaneously, AF-TENG acts as a real-time force detective sensor integrated with normal fabrics also show excellent performance with a high signal-to-noise ratio. Based on these characteristics of AF-TENG verified above, this work is thought to inspire an effective ponder to the evolution of wearable energy harvester.