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A Polymer-based Piezoelectric Vibration Energy Harvester with a 3D Meshed-Core Structure
Published on: February 20, 2019
Matrix-assisted energy conversion in nanostructured piezoelectric arrays.
Xianying Wang1, Kanguk Kim, Yinmin Wang
1Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, California 94550, United States.
Nano Letters
|November 11, 2010
Summary
This study presents a hybrid energy-harvesting platform using piezoelectric zinc oxide (ZnO) nanowires within a responsive polymer. The device converts thermal energy into electricity, offering a versatile method for environmental power scavenging.
Area of Science:
- Materials Science
- Energy Harvesting
- Nanotechnology
Background:
- Developing sustainable energy sources is crucial.
- Piezoelectric materials offer potential for energy conversion.
- Hybrid organic/inorganic systems combine material advantages.
Purpose of the Study:
- To demonstrate a novel hybrid energy-harvesting platform.
- To utilize environmental stimuli for self-power generation.
- To investigate the performance of nanostructured piezoelectric arrays.
Main Methods:
- Fabrication of a device with vertically aligned zinc oxide (ZnO) nanowires.
- Embedding ZnO nanowires in an environmental-responsive polymer matrix.
- Testing the device using thermal energy as the stimulus.
Main Results:
- The hybrid platform successfully self-generates direct current.
- Achieved output power densities of approximately 20 nW/cm(2).
- Demonstrated functionality at a heating temperature of around 65 °C.
Conclusions:
- The nanostructured piezoelectric architecture is a versatile energy-scavenging approach.
- The platform can harvest energy from various environments, including fluidic and chemical systems.
- This technology holds promise for self-powered sensors and devices in diverse applications.
