基于ZnO纳米片层与PDMS的高性能摩擦电纳米发电机

High-performance Triboelectric Nanogenerator Based on ZnO Nanosheet Layers and PDMS

中文关键词: 接触起电  压电  ZnO纳米片层

英文关键词: contact electrification  piezoelectricity  ZnO nanosheet layer

中文摘要:

      随着工业化进程的推进，绿色能源的可持续性挑战日益显著，成为全球关注的焦点。在这一背景下，摩擦纳米发电机(Triboelectric Nanogenerator, TENG) 作为一种新兴的能量采集技术，引起了学术界的广泛关注。研究者们相继开发了多种TENG变体，其中，以压电材料作为电极的压电摩擦纳米发电机(Piezoelectric Triboelectric Nanogenerator, P-TENG)展现出卓越的输出功率，性能提升显著。文中进一步探讨了压电材料对TENG输出性能的影响，对使用聚二甲基硅氧烷(PDMS)包裹压电界面ZnO纳米片作为正极材料的P-TENG进行实验。与仅使用纯净PDMS作为正极材料的TENG相比，实验最高输出电压提升约220 V，进一步验证了ZnO纳米片具有提升TENG输出性能的作用。在80 N的作用力下，使用电化学沉积ZnO纳米片的TENG器件的输出电压约为800 V，电流密度约为14 μA/cm〈sup>2，电荷密度约为219 μC/m〈sup>2。

英文摘要:

      With the progress of industrialization, the sustainability challenges of green energy have become increasingly prominent and captured global attention. Under this background, the triboelectric nanogenerator (TENG) has attracted widespread interest of the academic community as an emerging energy harvesting technology. Researchers have successively developed various TENG variants, among which the piezoelectric triboelectric nanogenerator (P-TENG) utilizing piezoelectric materials as electrodes demonstrates exceptional output power and significant performance improvement. The effect of piezoelectric materials on the output performance of TENG is further investigated in this paper. An experiment is conducted using polydimethylsiloxane (PDMS)-coated piezoelectric interfaces of ZnO nanosheets as the positive electrode material for P-TENG. Compared to TENG that solely employs pristine PDMS as the positive electrode material, the maximum output voltage is increased by approximately 220 V, further validating the role of ZnO nanosheets in improving the output performance of TENG. Under the force of 80 N, the TENG device with ZnO nanosheets prepared by electrochemical deposition exhibites an output voltage of approximately 800 V, a current density of about 14 μA/cm〈sup>2 and a charge density of approximately 219 219 μC/m〈sup>2.