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PhD Oral Preliminary Exam – Soumya Bose

Energy harvesting from human body heat using thermoelectric generators for batteryless low-power wearables

Energy harvesting from ambient sources can power wearable devices to realize self-sustainable body-area network. Thermal energy from human body is a ubiquitous form of energy and available across day and night. Thermoelectric generators (TEG) can convert this energy to electrical energy by means of Seebeck effect. However, owing to low Seebeck co-efficient and small size of TEG, only tens of millivolts can be generated from the 1-2 C temperature difference between body and ambience. A DC-DC converter is needed to boost the input to higher voltage for the efficient operation of the electronics. In this work, a power-efficient DC-DC boost converter is demonstrated with an integrated low-voltage cold-start technique for fully batteryless operation of the harvester.

Major Advisor: Matt Johnston
Committee: Gabor Temes

Committee: Arun Natarajan
Committee: Tejasvi Anand   
GCR: William Warnes

Friday, November 9 at 2:00pm to 4:00pm

Kelley Engineering Center, 1007
110 SW Park Terrace, Corvallis, OR 97331

Event Type

Lecture or Presentation

Event Topic

Research

Organization
College of Engineering, Electrical Engineering and Computer Science
Contact Name

Calvin Hughes

Contact Email

Calvin.Hughes@oregonstate.edu

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