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Experimental investigation on the physical parameters of ionic polymer metal composites sensors for humidity perception

Yanjie Wang, Gangqiang Tang, Chun Zhao, Keli Wang, Jiale Wang, Jie Ru, Junjie Sheng, Longfei Chang, Lijie Li Orcid Logo

Sensors and Actuators B: Chemical, Volume: 345, Start page: 130421

Swansea University Author: Lijie Li Orcid Logo

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DOI (Published version): 10.1016/j.snb.2021.130421

Abstract

Ionic polymer metal composite (IPMC) is one of typical electromechanical transducing materials integrating actuation and sensing functions. In this work, we systematically investigate the evolutions of the capacitance, surface resistance and ionic electrical response of strip shaped IPMC under diffe...

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Published in: Sensors and Actuators B: Chemical
ISSN: 0925-4005
Published: Elsevier BV 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa57293
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spelling 2021-08-02T12:45:25.1230651 v2 57293 2021-07-10 Experimental investigation on the physical parameters of ionic polymer metal composites sensors for humidity perception ed2c658b77679a28e4c1dcf95af06bd6 0000-0003-4630-7692 Lijie Li Lijie Li true false 2021-07-10 EEEG Ionic polymer metal composite (IPMC) is one of typical electromechanical transducing materials integrating actuation and sensing functions. In this work, we systematically investigate the evolutions of the capacitance, surface resistance and ionic electrical response of strip shaped IPMC under different humidity conditions. For each parameter, we have performed a set of static and dynamic humidity sensing tests, considering the change of the thickness, cations type and impregnation-reduction plating (IRP) times. Through conducting a series of experiments, it is concluded that the humidity-capacitance sensing has achieved a much wider sensing range (22 % RH - 100 %RH in this work, comparing with 40 % RH - 90 %RH in previous work) and an increased sensitivity (256μF in this work, comparing with140nF in previous work). In the meantime, humidity-surface resistance sensing has the perception of the full humidity range. While the humidity-ionic electrical response sensing can only respond to dynamic humidity changes but showing a very fast response time less than 0.5 s, which will be of great significance in some special humidity detection scenarios, such as the rapid detection and alarm for leakage of equipment with constant humidity. For each case, it implies a fact that the water absorption capacity of surface electrode and inter layer determines the humidity sensing abilities, such as response speed, amplitude and so on. Journal Article Sensors and Actuators B: Chemical 345 130421 Elsevier BV 0925-4005 IPMC, Humidity sensing, Capacitance, Surface resistance, Ionic electrical response 15 10 2021 2021-10-15 10.1016/j.snb.2021.130421 COLLEGE NANME Electronic and Electrical Engineering COLLEGE CODE EEEG Swansea University 2021-08-02T12:45:25.1230651 2021-07-10T18:10:00.4905721 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Yanjie Wang 1 Gangqiang Tang 2 Chun Zhao 3 Keli Wang 4 Jiale Wang 5 Jie Ru 6 Junjie Sheng 7 Longfei Chang 8 Lijie Li 0000-0003-4630-7692 9 57293__20505__52a2f8374d6e4951ad5b20d218157e5f.pdf Revised manuscript_accepted.pdf 2021-08-02T11:37:46.2481354 Output 1641445 application/pdf Accepted Manuscript true 2022-07-10T00:00:00.0000000 Released under the terms of a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) true eng https://creativecommons.org/licenses/by-nc-nd/4.0/
title Experimental investigation on the physical parameters of ionic polymer metal composites sensors for humidity perception
spellingShingle Experimental investigation on the physical parameters of ionic polymer metal composites sensors for humidity perception
Lijie Li
title_short Experimental investigation on the physical parameters of ionic polymer metal composites sensors for humidity perception
title_full Experimental investigation on the physical parameters of ionic polymer metal composites sensors for humidity perception
title_fullStr Experimental investigation on the physical parameters of ionic polymer metal composites sensors for humidity perception
title_full_unstemmed Experimental investigation on the physical parameters of ionic polymer metal composites sensors for humidity perception
title_sort Experimental investigation on the physical parameters of ionic polymer metal composites sensors for humidity perception
author_id_str_mv ed2c658b77679a28e4c1dcf95af06bd6
author_id_fullname_str_mv ed2c658b77679a28e4c1dcf95af06bd6_***_Lijie Li
author Lijie Li
author2 Yanjie Wang
Gangqiang Tang
Chun Zhao
Keli Wang
Jiale Wang
Jie Ru
Junjie Sheng
Longfei Chang
Lijie Li
format Journal article
container_title Sensors and Actuators B: Chemical
container_volume 345
container_start_page 130421
publishDate 2021
institution Swansea University
issn 0925-4005
doi_str_mv 10.1016/j.snb.2021.130421
publisher Elsevier BV
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
document_store_str 1
active_str 0
description Ionic polymer metal composite (IPMC) is one of typical electromechanical transducing materials integrating actuation and sensing functions. In this work, we systematically investigate the evolutions of the capacitance, surface resistance and ionic electrical response of strip shaped IPMC under different humidity conditions. For each parameter, we have performed a set of static and dynamic humidity sensing tests, considering the change of the thickness, cations type and impregnation-reduction plating (IRP) times. Through conducting a series of experiments, it is concluded that the humidity-capacitance sensing has achieved a much wider sensing range (22 % RH - 100 %RH in this work, comparing with 40 % RH - 90 %RH in previous work) and an increased sensitivity (256μF in this work, comparing with140nF in previous work). In the meantime, humidity-surface resistance sensing has the perception of the full humidity range. While the humidity-ionic electrical response sensing can only respond to dynamic humidity changes but showing a very fast response time less than 0.5 s, which will be of great significance in some special humidity detection scenarios, such as the rapid detection and alarm for leakage of equipment with constant humidity. For each case, it implies a fact that the water absorption capacity of surface electrode and inter layer determines the humidity sensing abilities, such as response speed, amplitude and so on.
published_date 2021-10-15T04:12:55Z
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score 11.037319

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