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Self-Powered Sensing in Wearable Electronics─A Paradigm Shift Technology
Wei Tang1,2,3, Qijun Sun1,2, Zhong Lin Wang1,4,5
1CAS Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China.
Chemical Reviews
|October 23, 2023
Summary
Wearable electronics face challenges, especially power supply. This review explores innovative self-powered sensors and systems to enable continuous health monitoring and overcome these limitations.
Area of Science:
- Materials Science
- Micro/Nanoengineering
- Wearable Electronics
- Biomedical Engineering
Background:
- Wearable electronics offer convenient health monitoring and data collection outside clinical settings.
- Key challenges hindering widespread adoption include skin compliance, biocompatibility, stability, and reliable power supply.
- Addressing the power supply is crucial for the practical advancement of wearable health technologies.
Purpose of the Study:
- To review and analyze innovative self-powered technologies for wearable electronics.
- To examine strategies for overcoming the power supply limitations in wearable devices.
- To present future perspectives on self-powered wearable systems for enhanced health monitoring.
Main Methods:
- Review of recent literature on self-powered sensors and systems in wearable electronics.
- Analysis of nanogenerator integration for both sensing and power generation.
- Exploration of two primary strategies: self-powered sensors and self-powered systems.
Main Results:
- Self-powered sensors integrate nanogenerators to reduce system power demands.
- Self-powered systems utilize nanogenerators as primary power sources for the entire device.
- Both approaches offer potential solutions to the power supply bottleneck in wearables.
Conclusions:
- Self-powered technologies are vital for the future of wearable electronics and continuous health monitoring.
- Overcoming power supply challenges will accelerate the practical application of advanced wearable health devices.
- Further research is needed to address remaining challenges and optimize self-powered wearable systems.
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