Ultra-Low-Power Indoor Light Harvesting and Solar Cell Characterization System
In this study, we present a development of a solar-powered Internet-of-Things (IoT) device, that incorporates both light energy harvesting and solar cell monitoring, which we demonstrate by long term monitoring of a single perovskite solar cell in office-like indoor environment. Using off-the-shelf...
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IEEE
2024-01-01
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| Online Access: | https://ieeexplore.ieee.org/document/10745483/ |
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| author | Darjo Ursic Matija Pirc Marko Jost Marko Topic Marko Jankovec |
| author_facet | Darjo Ursic Matija Pirc Marko Jost Marko Topic Marko Jankovec |
| author_sort | Darjo Ursic |
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| description | In this study, we present a development of a solar-powered Internet-of-Things (IoT) device, that incorporates both light energy harvesting and solar cell monitoring, which we demonstrate by long term monitoring of a single perovskite solar cell in office-like indoor environment. Using off-the-shelf components we engineered a compact, self-sufficient IoT device, with a remarkable 75% efficient energy harvesting (EH) method, at input currents in a range of microamperes. The IoT device acquires environmental data (irradiance, temperature, humidity) and solar cell electrical parameters including its IV curve, which it sends over a Bluetooth low energy (BLE) connection to a nearby access point. A single lab-scale perovskite solar cell was used to evaluate the device in a real-world office setting, over a period of one year. Our findings demonstrate that employing a perovskite solar cell with a 1 cm2 active area and a 1 F supercapacitor as a charge storage, meets the energy demands for the continuous operation of the developed IoT device at low irradiance conditions. Additionally, irradiance sensor data in combination with the full IV curve measurements of the solar cell are used to monitor the available energy and appropriately react to the environment and solar cell changes, while maintaining an extremely low average power consumption of 6 uW. At the same time, the acquired data provide a valuable information about the solar cell’s electrical behaviour, which makes the developed system an easy to use and versatile long-term monitoring device. |
| format | Article |
| id | doaj-art-91bbcf5565d3461b8146d53fb2332767 |
| institution | OA Journals |
| issn | 2169-3536 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IEEE |
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| series | IEEE Access |
| spelling | doaj-art-91bbcf5565d3461b8146d53fb23327672025-08-20T02:32:44ZengIEEEIEEE Access2169-35362024-01-011216944216945110.1109/ACCESS.2024.349231910745483Ultra-Low-Power Indoor Light Harvesting and Solar Cell Characterization SystemDarjo Ursic0https://orcid.org/0000-0003-4852-3006Matija Pirc1https://orcid.org/0000-0003-3459-6685Marko Jost2https://orcid.org/0000-0003-2754-1467Marko Topic3https://orcid.org/0000-0001-8089-2974Marko Jankovec4https://orcid.org/0000-0001-9554-7284Laboratory of Photovoltaics and Optoelectronics, University of Ljubljana, Ljubljana, SloveniaLaboratory of Photovoltaics and Optoelectronics, University of Ljubljana, Ljubljana, SloveniaLaboratory of Photovoltaics and Optoelectronics, University of Ljubljana, Ljubljana, SloveniaLaboratory of Photovoltaics and Optoelectronics, University of Ljubljana, Ljubljana, SloveniaLaboratory of Photovoltaics and Optoelectronics, University of Ljubljana, Ljubljana, SloveniaIn this study, we present a development of a solar-powered Internet-of-Things (IoT) device, that incorporates both light energy harvesting and solar cell monitoring, which we demonstrate by long term monitoring of a single perovskite solar cell in office-like indoor environment. Using off-the-shelf components we engineered a compact, self-sufficient IoT device, with a remarkable 75% efficient energy harvesting (EH) method, at input currents in a range of microamperes. The IoT device acquires environmental data (irradiance, temperature, humidity) and solar cell electrical parameters including its IV curve, which it sends over a Bluetooth low energy (BLE) connection to a nearby access point. A single lab-scale perovskite solar cell was used to evaluate the device in a real-world office setting, over a period of one year. Our findings demonstrate that employing a perovskite solar cell with a 1 cm2 active area and a 1 F supercapacitor as a charge storage, meets the energy demands for the continuous operation of the developed IoT device at low irradiance conditions. Additionally, irradiance sensor data in combination with the full IV curve measurements of the solar cell are used to monitor the available energy and appropriately react to the environment and solar cell changes, while maintaining an extremely low average power consumption of 6 uW. At the same time, the acquired data provide a valuable information about the solar cell’s electrical behaviour, which makes the developed system an easy to use and versatile long-term monitoring device.https://ieeexplore.ieee.org/document/10745483/Data consolidationenergy harvestingenergy storageindoor photovoltaicsperovskite solar cells |
| spellingShingle | Darjo Ursic Matija Pirc Marko Jost Marko Topic Marko Jankovec Ultra-Low-Power Indoor Light Harvesting and Solar Cell Characterization System IEEE Access Data consolidation energy harvesting energy storage indoor photovoltaics perovskite solar cells |
| title | Ultra-Low-Power Indoor Light Harvesting and Solar Cell Characterization System |
| title_full | Ultra-Low-Power Indoor Light Harvesting and Solar Cell Characterization System |
| title_fullStr | Ultra-Low-Power Indoor Light Harvesting and Solar Cell Characterization System |
| title_full_unstemmed | Ultra-Low-Power Indoor Light Harvesting and Solar Cell Characterization System |
| title_short | Ultra-Low-Power Indoor Light Harvesting and Solar Cell Characterization System |
| title_sort | ultra low power indoor light harvesting and solar cell characterization system |
| topic | Data consolidation energy harvesting energy storage indoor photovoltaics perovskite solar cells |
| url | https://ieeexplore.ieee.org/document/10745483/ |
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