材料科学
热电效应
气凝胶
热电发电机
能量收集
碳纳米管
摩擦电效应
光电子学
纳米发生器
可再生能源
功率密度
兴奋剂
纳米技术
工程物理
复合材料
电气工程
功率(物理)
工程类
物理
量子力学
压电
热力学
作者
Kai Zhao,Changxin Liu,Te Shao,Yuhang Fan,Reuven Chen,Xinxiang Pan
标识
DOI:10.1016/j.mtsust.2023.100476
摘要
In this work, we propose a doped-modified thermoelectric generator (TEG) film and apply it to an ocean energy harvesting prototype that primarily utilizes ocean thermal energy. Firstly, A new Bi2Te3-based thermoelectric material with improved performance was synthesized by doping Bi2Te3 with Carbon nanotubes (CNTs) for their high electrical conductivity and Silica aerogel for their low thermal conductivity. Subsequently, a performance-optimized, flexible thermoelectric film was fabricated using electron printing technology. By combining the flexible thermoelectric film with a Triboelectric nanogenerator (TENG) and Electromagnetic generator (EMG), a hybrid energy harvesting prototype was developed that can harvest marine renewable energy. The prototype demonstrates a relatively high output voltage of 61 V and an output power of 81.2 μW, corresponding to a power density of 8.1 W/m3 in simulated marine environmental experiments. This ocean-oriented hybrid energy prototype based on co-doped thermoelectric materials unveils new possibilities for self-powered devices in the field of ocean energy harvesting.
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