High-Performance Limiting Current Oxygen Sensor Comprised of Highly Active La(0.75)Sr(0.25)Cr(0.5)Mn(0.5)O(3) Electrode
Zirconia-based limiting current oxygen sensor gains considerable attention, due to its high-performance in improving the combustion efficiency of fossil fuels and reducing the emission of exhaust gases. Nevertheless, the Pt electrode is frequently used in the oxygen sensor, therefore, it restrains t...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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MDPI
2018
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6069003/ https://www.ncbi.nlm.nih.gov/pubmed/29973553 http://dx.doi.org/10.3390/s18072155 |
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author | Zou, Jie Lin, Qian Cheng, Chu Zhang, Xin Jin, Qinghui Jin, Han Wang, Jinxia Jian, Jiawen |
author_facet | Zou, Jie Lin, Qian Cheng, Chu Zhang, Xin Jin, Qinghui Jin, Han Wang, Jinxia Jian, Jiawen |
author_sort | Zou, Jie |
collection | PubMed |
description | Zirconia-based limiting current oxygen sensor gains considerable attention, due to its high-performance in improving the combustion efficiency of fossil fuels and reducing the emission of exhaust gases. Nevertheless, the Pt electrode is frequently used in the oxygen sensor, therefore, it restrains the broader application due to the high cost. Quite recently, La(0.75)Sr(0.25)Cr(0.5)Mn(0.5)O(3) (LSCM) has been reported to be highly active to catalyze oxygen reduction. Herein, with the intention of replacing the frequently used Pt, we studied the practicability of adapting the LSCM to zirconia-based limiting current oxygen sensor. Through comparing the electrocatalytic activity of LSCM and Pt, it is confirmed that LSCM gave analogous oxygen reactivity with that of the Pt. Then, limiting the current oxygen sensors comprised of LSCM or Pt are fabricated and their sensing behavior to oxygen in the range of 2–25% is evaluated. Conclusively, quick response/recovery rate (within 7s), linear relationship, and high selectivity (against 5% CO(2) and H(2)O) in sensing oxygen are observed for the sensors, regardless of the sensing materials (LSCM or Pt) that are used in the sensor. Particularly, identical sensing characteristics are observed for the sensors consisting of LSCM or Pt, indicating the practicability of replacing the Pt electrode by adapting the LSCM electrode to future zirconia-based oxygen sensors. |
format | Online Article Text |
id | pubmed-6069003 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-60690032018-08-07 High-Performance Limiting Current Oxygen Sensor Comprised of Highly Active La(0.75)Sr(0.25)Cr(0.5)Mn(0.5)O(3) Electrode Zou, Jie Lin, Qian Cheng, Chu Zhang, Xin Jin, Qinghui Jin, Han Wang, Jinxia Jian, Jiawen Sensors (Basel) Article Zirconia-based limiting current oxygen sensor gains considerable attention, due to its high-performance in improving the combustion efficiency of fossil fuels and reducing the emission of exhaust gases. Nevertheless, the Pt electrode is frequently used in the oxygen sensor, therefore, it restrains the broader application due to the high cost. Quite recently, La(0.75)Sr(0.25)Cr(0.5)Mn(0.5)O(3) (LSCM) has been reported to be highly active to catalyze oxygen reduction. Herein, with the intention of replacing the frequently used Pt, we studied the practicability of adapting the LSCM to zirconia-based limiting current oxygen sensor. Through comparing the electrocatalytic activity of LSCM and Pt, it is confirmed that LSCM gave analogous oxygen reactivity with that of the Pt. Then, limiting the current oxygen sensors comprised of LSCM or Pt are fabricated and their sensing behavior to oxygen in the range of 2–25% is evaluated. Conclusively, quick response/recovery rate (within 7s), linear relationship, and high selectivity (against 5% CO(2) and H(2)O) in sensing oxygen are observed for the sensors, regardless of the sensing materials (LSCM or Pt) that are used in the sensor. Particularly, identical sensing characteristics are observed for the sensors consisting of LSCM or Pt, indicating the practicability of replacing the Pt electrode by adapting the LSCM electrode to future zirconia-based oxygen sensors. MDPI 2018-07-04 /pmc/articles/PMC6069003/ /pubmed/29973553 http://dx.doi.org/10.3390/s18072155 Text en © 2018 by the authors. 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 (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Zou, Jie Lin, Qian Cheng, Chu Zhang, Xin Jin, Qinghui Jin, Han Wang, Jinxia Jian, Jiawen High-Performance Limiting Current Oxygen Sensor Comprised of Highly Active La(0.75)Sr(0.25)Cr(0.5)Mn(0.5)O(3) Electrode |
title | High-Performance Limiting Current Oxygen Sensor Comprised of Highly Active La(0.75)Sr(0.25)Cr(0.5)Mn(0.5)O(3) Electrode |
title_full | High-Performance Limiting Current Oxygen Sensor Comprised of Highly Active La(0.75)Sr(0.25)Cr(0.5)Mn(0.5)O(3) Electrode |
title_fullStr | High-Performance Limiting Current Oxygen Sensor Comprised of Highly Active La(0.75)Sr(0.25)Cr(0.5)Mn(0.5)O(3) Electrode |
title_full_unstemmed | High-Performance Limiting Current Oxygen Sensor Comprised of Highly Active La(0.75)Sr(0.25)Cr(0.5)Mn(0.5)O(3) Electrode |
title_short | High-Performance Limiting Current Oxygen Sensor Comprised of Highly Active La(0.75)Sr(0.25)Cr(0.5)Mn(0.5)O(3) Electrode |
title_sort | high-performance limiting current oxygen sensor comprised of highly active la(0.75)sr(0.25)cr(0.5)mn(0.5)o(3) electrode |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6069003/ https://www.ncbi.nlm.nih.gov/pubmed/29973553 http://dx.doi.org/10.3390/s18072155 |
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