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Structure-Integrated Thin-Film Supercapacitor as a Sensor

Today, aircraft composite structures are generally over-dimensioned to avoid catastrophic failure by unseen damages. This leads to a higher system weight and therefore an unwanted increase in greenhouse gas emissions. To reduce this parasitic mass, load monitoring can play an important role in damag...

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Detalles Bibliográficos
Autores principales: Petersen, Jan, Kube, Alexander, Geier, Sebastian, Wierach, Peter
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9504183/
https://www.ncbi.nlm.nih.gov/pubmed/36146280
http://dx.doi.org/10.3390/s22186932
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author Petersen, Jan
Kube, Alexander
Geier, Sebastian
Wierach, Peter
author_facet Petersen, Jan
Kube, Alexander
Geier, Sebastian
Wierach, Peter
author_sort Petersen, Jan
collection PubMed
description Today, aircraft composite structures are generally over-dimensioned to avoid catastrophic failure by unseen damages. This leads to a higher system weight and therefore an unwanted increase in greenhouse gas emissions. To reduce this parasitic mass, load monitoring can play an important role in damage detection. Additionally, the weight and volume of future aircraft structures can also be reduced by energy storing and load carrying structures: so-called power composites. In this study a novel method of combining both approaches for maximum weight reduction is shown. This is achieved by using power composites as load monitoring sensors and energy suppliers. Therefore, supercapacitors are integrated into fiber reinforced polymers and are then used to investigate the mechanical load influence. By using four-point bending experiments and in situ electrochemical impedance spectroscopy, a strong relation between the mechanical load and the electrochemical system is found and analyzed using a model. For the first time, it is possible to detect small strain values down to 0.2% with a power composite. This strain is considerably lower than the conventional system load. The developed model and the impedance data indicate the possibility of using the composite as an energy storage as well as a strain sensor.
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spelling pubmed-95041832022-09-24 Structure-Integrated Thin-Film Supercapacitor as a Sensor Petersen, Jan Kube, Alexander Geier, Sebastian Wierach, Peter Sensors (Basel) Article Today, aircraft composite structures are generally over-dimensioned to avoid catastrophic failure by unseen damages. This leads to a higher system weight and therefore an unwanted increase in greenhouse gas emissions. To reduce this parasitic mass, load monitoring can play an important role in damage detection. Additionally, the weight and volume of future aircraft structures can also be reduced by energy storing and load carrying structures: so-called power composites. In this study a novel method of combining both approaches for maximum weight reduction is shown. This is achieved by using power composites as load monitoring sensors and energy suppliers. Therefore, supercapacitors are integrated into fiber reinforced polymers and are then used to investigate the mechanical load influence. By using four-point bending experiments and in situ electrochemical impedance spectroscopy, a strong relation between the mechanical load and the electrochemical system is found and analyzed using a model. For the first time, it is possible to detect small strain values down to 0.2% with a power composite. This strain is considerably lower than the conventional system load. The developed model and the impedance data indicate the possibility of using the composite as an energy storage as well as a strain sensor. MDPI 2022-09-13 /pmc/articles/PMC9504183/ /pubmed/36146280 http://dx.doi.org/10.3390/s22186932 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Petersen, Jan
Kube, Alexander
Geier, Sebastian
Wierach, Peter
Structure-Integrated Thin-Film Supercapacitor as a Sensor
title Structure-Integrated Thin-Film Supercapacitor as a Sensor
title_full Structure-Integrated Thin-Film Supercapacitor as a Sensor
title_fullStr Structure-Integrated Thin-Film Supercapacitor as a Sensor
title_full_unstemmed Structure-Integrated Thin-Film Supercapacitor as a Sensor
title_short Structure-Integrated Thin-Film Supercapacitor as a Sensor
title_sort structure-integrated thin-film supercapacitor as a sensor
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9504183/
https://www.ncbi.nlm.nih.gov/pubmed/36146280
http://dx.doi.org/10.3390/s22186932
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