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Triboelectric effect in energy harvesting

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Triboelectric effect in energy harvesting ( triboelectric-effect-energy-harvesting )

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17th World Textile Conference AUTEX 2017- Textiles - Shaping the Future IOP Publishing IOP Conf. Series: Materials Science and Engineerin1g23245546(72809107) 042021 doi:10.1088/1757-899X/254/4/042021 4. Results and discussion At a speed of 0.02m/s, the TEG completes a cycle where the components fully overlap then fully separate. As a result of a small area of friction, the surface of one component of the TEG gains positive charges whilst the other gains negative charges producing a potential difference. The maximum open circuit voltages (Voc) produced for the PA6 TEG samples 1, 2, 3 and 4 were 320V, 360V, 700V and 800V respectively, refer to figure 2. The maximum Voc for the PTFE TEG samples 1, 2, 3 and 4 were 800V, 700V, 700V and 1000V respectively, refer to figure 3. The EPD produced was non uniform therefore standard deviation was applied to the data set where the average was calculated to gain a more accurate depiction of the EPD. The PA6 TEG samples 1, 2, 3 and 4 produced an average Voc of approximately 170V, 180V, 650V and 730V. The PTFE TEG samples 1, 2, 3 and 4 produced an average Voc of approximately 410V, 650V, 660V and 880V. Figure 4 presents the mean Voc produced for the four samples of the PA6 and PTFE TEG. Figure 5 presents the mean Voc produced for the four samples correlating the output with the polymers of the TEG’s. Figure 2. PA6 TEG Maximum Voc (a) Sample 1: 30mmx30mm (b) Sample 2: 30mmx40mm (c) Sample 3: 30mmx50mm (d) Sample 4: 30mmx60mm. 3

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