大规模液滴式发电机阵列的效率优化与集成的微超电容器阵列的效率优化.
Zheng Li1, Shiqian Chen1, Yujie Fu1
1Division of Electronics and Embedded Systems, School of Electrical Engineering and Computer Science, KTH Royal Institute of Technology, Stockholm, Sweden.
研究人员通过优化电极设计来增强液滴式发电机,将输出功率提高一倍. 他们还开发了一种新的微型超级电容器集成,实现了自充电电力系统的21.8%的存储效率.
科学领域:
- 三元电纳米发电机
- 收集能源 收集能源
- 材料科学 材料科学 材料科学
背景情况:
- 液滴式发电机为液压动力提供轻量级,无金属的解决方案.
- 现有的设计在小型面板中遭受了显著的性能退化 (高达90%).
- 低存储效率 (通常<2%) 困扰着大型滴滴发生器阵列.
研究的目的:
- 为了克服液滴式发电机的性能下降和低储能效率.
- 为了增强实际液压动力应用的功率输出和存储能力.
主要方法:
- 量身定制的底部电极设计,以匹配滴滴传播面积.
- 制造的大型 (30个细胞) 滴滴发生器阵列.
- 集成的大型 (400个细胞) 微型超级电容阵列,没有功率管理芯片.
主要成果:
- 单个滴滴发生器电池的平均输出功率翻了一番.
- 与最先进的相比,在30个电池阵列中实现了2.5倍的功率.
- 证明了高压脉冲电力的储存效率为21.8%.
- 开发了一种自充电电源系统,输出81.2微瓦 (27倍于以前的30个电池系统).
结论:
- 优化的电极几何学显著提高滴滴发生器的性能.
- 发电机和微型超级电容器阵列的直接集成可实现高效的能源存储.
- 这种无芯片,自我充电系统推进了以滴滴为基础的能量采集的实际应用.
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