Development of Scalable Micro Thermoelectric Devices
2017-0223-02
- researcher's name
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about researcher WATANABE, Takanobu Professor
- affiliation
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Faculty of Science and Engineering School of Fundamental Science and Engineering Department of Electronic and Photonic Systems
- research field
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Electronic materials/Electric materials,Mathematical physics/Fundamental condensed matter physics,Nanostructural chemistry
- keyword
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background
● Energy Harvester (EH) is a key device for the ”Internet-of-Things” society.
● Thermoelectric (TE) Generation is an ultimate technology to semipermanently generate electric power from a temperature difference.
● Thermoelectric (TE) Generation is an ultimate technology to semipermanently generate electric power from a temperature difference.
summary
● Si nanowire is used as the thermoelectric material.
● Miniaturized TE device fabricated by the Si-LSI process capable of mass-production
● Miniaturized TE device fabricated by the Si-LSI process capable of mass-production
predominance
● No etching process of Si substrate required.
● No toxic materials included.
● The power generation density increases with shrinking the device size.
application/development
● Trillion sensor network
● Body Area Network (BAN)
● Smart buildings
● Body Area Network (BAN)
● Smart buildings
material
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Mechanism of thermoelectric power generation (left) Conceptual structure of the TE power generator fabricated on silicon chip (right).
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(left) High TE power density device structure and (right) a simulated temperature distribution in the device.
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Scaling laws of (left) proposed structure and (right) conventional vertical structure
same researcher's seeds
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Large-scale molecular simulation -
Flapping robot
posted:
2017/02/23