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首頁(yè)> 美國(guó)衛(wèi)生研究院文獻(xiàn)>iScience >Matching the Directions of Electric Fields from Triboelectric and Ferroelectric Charges in Nanogenerator Devices for Boosted Performance
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Matching the Directions of Electric Fields from Triboelectric and Ferroelectric Charges in Nanogenerator Devices for Boosted Performance

機(jī)譯：匹配納米發(fā)電機(jī)裝置中摩擦電荷和鐵電荷的電場(chǎng)方向以提高性能

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摘要

Embedding additional ferroelectric dipoles in contacting polymer layers is known to enhance the performance of triboelectricnanogenerator (TENG) devices. However, the influence of dipoles formed between the triboelectric surface charges on two contacting ferroelectric films has been ignored in all relevant studies. We demonstrate that proper attention to the alignment of the distinct dipoles present between two contacting surfaces and in composite polymer/BaTiO ferroelectric films can lead to up to four times higher energy and power density output compared with cases when dipole arrangement is mismatched. For example, TENG device based on PVAc/BaTiO shows energy density increase from 32.4?μJ m to 132.9?μJ m when comparing devices with matched and mismatched dipoles. The presented strategy and understanding of resulting stronger electrostatic induction in the contacting layers enable the development of TENG devices with greatly enhanced properties.
機(jī)譯：已知在接觸的聚合物層中嵌入額外的鐵電偶極子可增強(qiáng)摩擦電納米發(fā)電機(jī)（TENG）裝置的性能。但是，在所有相關(guān)研究中都忽略了摩擦電表面電荷之間形成的偶極子對(duì)兩個(gè)接觸的鐵電薄膜的影響。我們證明，與偶極排列不匹配的情況相比，適當(dāng)注意兩個(gè)接觸表面之間以及復(fù)合聚合物/ BaTiO鐵電薄膜中存在的不同偶極的排列可能會(huì)導(dǎo)致能量和功率密度輸出提高多達(dá)四倍。例如，當(dāng)比較具有匹配和不匹配偶極子的器件時(shí)，基于PVAc / BaTiO的TENG器件顯示出能量密度從32.4μJm增加到132.9μJm。提出的策略和對(duì)在接觸層中產(chǎn)生更強(qiáng)靜電感應(yīng)的理解，使TENG器件的性能大大提高。

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