The effects of Total Ionizing Dose irradiation on supercapacitors deployed in nuclear decommissioning environments

Di Buono, Antonio, Cockbain, Neil, Green, Peter R. and Lennox, Barry (2020) The effects of Total Ionizing Dose irradiation on supercapacitors deployed in nuclear decommissioning environments. Journal of Power Sources, 479 . p. 228675.

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The effects of Total Ionizing Dose (TID) on electrical components is a key parameter to evaluate the life span of wireless sensor nodes for possible deployment in nuclear decommissioning environments. The aim of this study was to experimentally evaluate the effects of TID on capacitance, internal resistance and the self-discharge characteristic of 100 F supercapacitors. An automated test circuit was designed and assembled to charge and discharge the supercapacitors. The supercapacitors were irradiated using a Co-60 γ ray radiation source and the voltage across the supercapacitor terminals, charging current and discharging current were monitored and logged to calculate the capacitance during the irradiation process. Measurements of internal resistance and self-discharge characteristic were performed before and after the irradiation to examine the effects of exposure to γ radiation on these electrical properties. The experimental results show negligible effects on the capacitance of supercapacitors exposed to a maximum dose of 40 kGy. The internal resistance and self-discharge characteristics were not affected by TID up to 89 kGy. These results demonstrate that supercapacitors are a suitable technology to design an Energy Storage System to be deployed in the majority of nuclear decommissioning environments.

Item Type: Article
Journal / Publication Title: Journal of Power Sources
Publisher: Elsevier
ISSN: 1873-2755
Departments: Institute of Science and Environment > STEM
Additional Information: This work has been supported by the Centre for Innovative Nuclear Decommissioning (CINDe), United Kingdom, which is led by the National Nuclear Laboratory, in partnership with Sellafield Ltd and a network of Universities that includes the University of Manchester, Lancaster University, the University of Liverpool and the University of Cumbria, partially through EPSRC (EP/P01366X/1: Robotics for Nuclear Environments), United Kingdom. Antonio Di Buono is a PhD doctoral student at Centre for Innovative Nuclear Decommissioning, which is a partnership between Sellafield Ltd, the National Nuclear Laboratory and the Universities of Manchester, Liverpool, Lancaster and Cumbria. This is an open access article under the CC BY license.
Depositing User: Anna Lupton
Date Deposited: 30 Mar 2023 15:31
Last Modified: 13 Jan 2024 11:31


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