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智能隐形眼镜的电力清理微系统
Erfan Pourshaban1, Mohit U Karkhanis1, Adwait Deshpande1
1Department of Electrical and Computer Engineering, University of Utah, Salt Lake City, UT, 84112, USA.
Small (Weinheim an der Bergstrasse, Germany)
|March 13, 2024
概括
研究人员开发了一种新的混合动力系统,用于在眼睛上的微系统. 该系统结合了灵活的太阳能电池和眼的能量收获器,以可持续地为智能隐形眼镜提供动力,无需外部配件.
科学领域:
- 生物医学工程 生物医学工程
- 材料科学 材料科学 材料科学
- 收集能源 收集能源
背景情况:
- 在眼睛上的微系统,或智能隐形眼镜,提供先进的功能,如视力校正和健康监测.
- 在眼睛的曲面上为这些低调设备提供动力是一个重大的技术挑战.
- 现有的电源解决方案通常依赖于外部配件或无线电源传输,这可能是不方便的.
研究的目的:
- 设计和制造用于眼睛微系统的自给自足,低调的混合动力电源.
- 为了应对在眼睛表面集成的灵活电子设备供电的挑战.
- 开发一种不需要外部配件连续运行的电源解决方案.
主要方法:
- 混合动力能源单元的制造,集成柔性太阳能电池和氧 (Mg-O2) 金属空气能量收割机,通过眼激活.
- 在各种条件下,光伏和闪激活组件的输出功率的表征.
- 电源管理电路与超级电容器的集成,以稳定和增加收集的能量,以提供连续的电力.
主要成果:
- 灵活的太阳能电池实现了42.4μW/cm2 (室内) 和2.5mW/cm2 (室外) 的功率密度.
- 眼的Mg-空气收割机显示出最大功率密度为1.3mW/cm2.
- 集成功率管理系统成功地在3.3V直流下提供了持续的150μW.
结论:
- 一个能够连续为智能眼科设备产生电力的新型混合动力电力系统已经成功开发出来.
- 这种电源组提供了一个自给自足和集成的解决方案,消除了对外部电源配件的需求.
- 开发的技术为各种应用的先进,不受束的眼睛微系统铺平了道路.
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