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Junwen Zhong
University of Macau
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A variety of autonomous oscillations in nature such as heartbeats and biochemical reactions have been widely studied and utilized for applications in the fields of bioscience and energy technology, etc. Here, we report a unique phenomenon of moisture-induced electrical potential oscillations on P(MEDSAH-co-AA) polymers during the diffusion of water molecules. Using the moisture in the ambient environment as the activation source, this self-excited chemoelectrical reaction could have broad influences and usages in surface-reaction based devices and systems. As a proof-of-concept demonstration, an energy harvester is constructed to demonstrate the continuous energy production for more than 15000 seconds with an energy density of 16.8 mJ/cm2. A 2-Volts output voltage has been produced to power a liquid crystal display (LCD) with five energy harvesters connected in series toward practical applications.
Keywords
Autonomous oscillation, Surface potential, Moisture, Energy harvesting.
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There is NO Competing Interest.
This is a list of supplementary files associated with this preprint. Click to download.
- SupplementaryMaterialsNC.docx
Supplementary Materials
- MovieS1.avi
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See the published version of this preprint at Nature Communications.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Article
Junwen Zhong
University of Macau
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at Nature Communications.
Version 1
Posted 14 Jan, 2021
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at Nature Communications.
A variety of autonomous oscillations in nature such as heartbeats and biochemical reactions have been widely studied and utilized for applications in the fields of bioscience and energy technology, etc. Here, we report a unique phenomenon of moisture-induced electrical potential oscillations on P(MEDSAH-co-AA) polymers during the diffusion of water molecules. Using the moisture in the ambient environment as the activation source, this self-excited chemoelectrical reaction could have broad influences and usages in surface-reaction based devices and systems. As a proof-of-concept demonstration, an energy harvester is constructed to demonstrate the continuous energy production for more than 15000 seconds with an energy density of 16.8 mJ/cm2. A 2-Volts output voltage has been produced to power a liquid crystal display (LCD) with five energy harvesters connected in series toward practical applications.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
There is NO Competing Interest.
This is a list of supplementary files associated with this preprint. Click to download.
- SupplementaryMaterialsNC.docx
Supplementary Materials
- MovieS1.avi
Movie S1
- MovieS2.avi
Movie S2
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