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Title: Editors' Choice—Field Trials Testing of Mixed Potential Electrochemical Hydrogen Safety Sensors at Commercial California Hydrogen Filling Stations

Abstract

Hydrogen safety sensors must meet specific performance requirements, mandated by the U.S. Department of Energy, for hydrogen fueling station monitoring. Here, we describe the long-term performance of two zirconia-based mixed potential electrochemical hydrogen gas sensors, developed specifically with a high sensitivity to hydrogen, low cross-sensitivity, and fast response time. Over a two-year period, sensors with tin-doped indium oxide and strontium doped lanthanum chromite electrodes were deployed at two stations in four field trials tests conducted in Los Angeles. The sensors documented the existence of hydrogen plumes ranging in concentration from 100 to as high as 2700 ppm in the area surrounding the dispenser, consistent with depressurization from 700 bar following vehicle refueling. As expected, the hydrogen concentration reported by the mixed potential sensors was influenced by wind direction. Baseline stability testing at a Chino, CA station showed no measureable baseline drift throughout 206 days of uninterrupted data acquisition. In conclusion, the high baseline stability, excellent correlation with logged fueling/depressurization events, and absence of false alarms suggest that the zirconia-based mixed potential sensor platform is a good candidate for protecting hydrogen infrastructure where frequent calibrations or sensor replacement to reduce the false alarm frequency have been shown to be cost prohibitive.

Authors:
ORCiD logo [1];  [1];  [2]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [3];  [3]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Hydrogen Frontier, Inc., Gardena, CA (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE). Fuel Cell Technologies Program (EE-3F); USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1463029
Alternate Identifier(s):
OSTI ID: 1409780
Report Number(s):
LA-UR-17-25235; LLNL-JRNL-733913
Journal ID: ISSN 0013-4651
Grant/Contract Number:  
AC52-06NA25396; AC52-07NA27344
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of the Electrochemical Society
Additional Journal Information:
Journal Volume: 164; Journal Issue: 13; Conference: 232nd Meeting of the Electrochemical Society, National Harbor, MD (United States), 1-5 Oct 2017; Journal ID: ISSN 0013-4651
Publisher:
The Electrochemical Society
Country of Publication:
United States
Language:
English
Subject:
08 HYDROGEN; 47 OTHER INSTRUMENTATION; Energy Sciences; Mixed Potential; Hydrogen Sensor; Electrochemical Sensor

Citation Formats

Brosha, Eric Lanich, Romero, Christopher Jesse, Poppe, Daniel, Williamson, Todd L., Kreller, Cortney R., Mukundan, Rangachary, Glass, Robert S., and Wu, Amanda S. Editors' Choice—Field Trials Testing of Mixed Potential Electrochemical Hydrogen Safety Sensors at Commercial California Hydrogen Filling Stations. United States: N. p., 2017. Web. doi:10.1149/2.1491713jes.
Brosha, Eric Lanich, Romero, Christopher Jesse, Poppe, Daniel, Williamson, Todd L., Kreller, Cortney R., Mukundan, Rangachary, Glass, Robert S., & Wu, Amanda S. Editors' Choice—Field Trials Testing of Mixed Potential Electrochemical Hydrogen Safety Sensors at Commercial California Hydrogen Filling Stations. United States. doi:10.1149/2.1491713jes.
Brosha, Eric Lanich, Romero, Christopher Jesse, Poppe, Daniel, Williamson, Todd L., Kreller, Cortney R., Mukundan, Rangachary, Glass, Robert S., and Wu, Amanda S. Fri . "Editors' Choice—Field Trials Testing of Mixed Potential Electrochemical Hydrogen Safety Sensors at Commercial California Hydrogen Filling Stations". United States. doi:10.1149/2.1491713jes. https://www.osti.gov/servlets/purl/1463029.
@article{osti_1463029,
title = {Editors' Choice—Field Trials Testing of Mixed Potential Electrochemical Hydrogen Safety Sensors at Commercial California Hydrogen Filling Stations},
author = {Brosha, Eric Lanich and Romero, Christopher Jesse and Poppe, Daniel and Williamson, Todd L. and Kreller, Cortney R. and Mukundan, Rangachary and Glass, Robert S. and Wu, Amanda S.},
abstractNote = {Hydrogen safety sensors must meet specific performance requirements, mandated by the U.S. Department of Energy, for hydrogen fueling station monitoring. Here, we describe the long-term performance of two zirconia-based mixed potential electrochemical hydrogen gas sensors, developed specifically with a high sensitivity to hydrogen, low cross-sensitivity, and fast response time. Over a two-year period, sensors with tin-doped indium oxide and strontium doped lanthanum chromite electrodes were deployed at two stations in four field trials tests conducted in Los Angeles. The sensors documented the existence of hydrogen plumes ranging in concentration from 100 to as high as 2700 ppm in the area surrounding the dispenser, consistent with depressurization from 700 bar following vehicle refueling. As expected, the hydrogen concentration reported by the mixed potential sensors was influenced by wind direction. Baseline stability testing at a Chino, CA station showed no measureable baseline drift throughout 206 days of uninterrupted data acquisition. In conclusion, the high baseline stability, excellent correlation with logged fueling/depressurization events, and absence of false alarms suggest that the zirconia-based mixed potential sensor platform is a good candidate for protecting hydrogen infrastructure where frequent calibrations or sensor replacement to reduce the false alarm frequency have been shown to be cost prohibitive.},
doi = {10.1149/2.1491713jes},
journal = {Journal of the Electrochemical Society},
number = 13,
volume = 164,
place = {United States},
year = {Fri Oct 27 00:00:00 EDT 2017},
month = {Fri Oct 27 00:00:00 EDT 2017}
}

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Works referenced in this record:

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