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Development of an Indoor Photovoltaic Energy Harvesting Module for Autonomous Sensors in Building Air Quality Applications

Yue, Xicai; Kauer, Matthias; Bellanger, Mathieu; Beard, Oliver; Brownlow, Mike; Gibson, Des; Clark, Caspar; MacGregor, Calum; Song, Shigeng


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Alex Yue
Senior Lecturer in Bioinstrumentation and Sensor Interfacing

Matthias Kauer

Mathieu Bellanger

Oliver Beard

Mike Brownlow

Des Gibson

Caspar Clark

Calum MacGregor

Shigeng Song


© 2017 IEEE. A 50 mm × 20 mm × 15 mm indoor photovoltaic (PV) energy harvesting power module (IPEHPM) has been developed for powering an Internet of Things (IoT) sensor node containing a low-power CO 2 sensor for automatic building ventilation. It is composed of a high efficiency PV energy harvesting module and a supercapacitor to produce 3.6-4.2 V output voltage with 100 mA pulse current for up to 600 ms. Storage efficiency analysis and storage efficiency tests of the IPEHPM have demonstrated that with the adopted simple power management scheme, which exempts the commonly used power management blocks of the voltage regulator and the maximum power point tracking to save power, 88.7% average storage efficiency has been achieved at 200 lux. With the newly established PV powering model, the power consumption requirements of an IoT node can be directly converted into the illumination requirements of the PV energy harvester, making the IPEHPM easy to use. IPEHPM powered IoT experiments with a low-power CO 2 gas sensor have demonstrated that the IPEHPM is suitable for IoT-based building ventilation applications, where the CO 2 concentration level is measured every 150 s at the indoor lighting condition down to 200 lux.


Yue, X., Kauer, M., Bellanger, M., Beard, O., Brownlow, M., Gibson, D., …Song, S. (2017). Development of an Indoor Photovoltaic Energy Harvesting Module for Autonomous Sensors in Building Air Quality Applications. IEEE Internet of Things, 4(6), 2092-2103.

Journal Article Type Article
Acceptance Date Sep 11, 2017
Publication Date Dec 1, 2017
Journal IEEE Internet of Things Journal
Print ISSN 2327-4662
Electronic ISSN 2327-4662
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 4
Issue 6
Pages 2092-2103
Keywords internet of things, IoT, photovoltaic, energy harvesting, supercapacitor, self-discharge, power management, maximum power point tracking, low-power CO2 sensor, MPPT
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Additional Information Additional Information : (c) 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.


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