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Autonomous Miniature Solar Energy Power Supplies for IoT Sensors and Medical Implants
By Professor Alison Lennon

This webinar will explore the potential and technology required for solar powered IoT sensors and sub-dermal medical implants. Australia has many applications which can benefit from low cost automated sensing. These include wide area sensing for agriculture, early detection of natural disasters (e.g., bushfires) and biomedical monitoring. Technologies which can be autonomously powered using solar energy provide the key benefits of reduced cost and size. This webinar will focus on the use of silicon solar cell arrays coupled with a thin film lithium ion battery to provide an efficient and low-cost power supply for both outdoor and subdermal medical implants. Use of silicon enables high energy conversion efficiencies, low toxicity and paves the way for large scale integration on a low-power wireless chip, a critical step for massively reducing cost.
About the speaker
Professor Lennon is a member of the academic staff in the School of Photovoltaic and Renewable Energy Engineering at UNSW Sydney. She has lectured in device physics and manufacturing for silicon photovoltaics and has conducted research with leading photovoltaic companies including Suntech Power, Trina Solar and more recently LONGi Solar. Prior to being employed at UNSW, she worked as a research scientist at Canon, where her research included display and printing device simulations, development of materials/technology for printing, imaging, display and medical applications.
Key takeaways
Australia can play a leading role in developing technology for IoT sensors and medical implants Many sensor applications can benefit from solar powering Solar powering can reduce sensor cost and size Silicon is a key material due to its abundance, non-toxicity and opportunities for scaling up through integrated circuit fabrication

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