Fig. 5: Amplified energy harvesting of TENGs consisting of PVDF-based nanofibers for wearable electronic applications. | npj Flexible Electronics

Fig. 5: Amplified energy harvesting of TENGs consisting of PVDF-based nanofibers for wearable electronic applications.

From: Electro-spun nanofibers-based triboelectric nanogenerators in wearable electronics: status and perspectives

Fig. 5

a Visualization of energy harvesting from various human motions, with the specific example of a shoe pad, from lead-free perovskite/PVDF-HFP-SEBS-based nanofiber composite (LPPS NFC) used as a triboelectric-piezoelectric nanogenerator (T-PENG) in contact-separation mode and charge transfer efficiency was increased compared to PENG mode. Reprinted with permission120. Copyright 2022, Wiley-VCH GmbH. b Enhanced energy harvesting out of a TENG consisting of polyurethane (PU) film and a tribo-negative layer of PVDF nanofibers mixed with second-generation aromatic hyperbranched polyester (Ar.HBP-G2), labeled as PAG2 and 10 wt% yielded the largest output. Reprinted with permission121. Copyright 2024, American Chemical Society. c Biomechanical energy harvesting and monitoring from a wearable TENG consisting of hybrid Cs2InCl5(H2O)@PVDF-HFP nanofibers (CIC@HFP NFs) tribo-negative layer against nylon 6,6 nanofiber layer. Reprinted with permission19. Copyright 2024, American Chemical Society. d Washable fibrous WF-TENG integrated into a face mask to collect energy from breathing. Reprinted with permission122. Copyright 2023, The Authors. Published by Elsevier Ltd.

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