Independent testing and validation of prototype hydrogen sensors |
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| Authors: | Praveen K. Sekhar Jie Zhou Matthew B. Post Leta Woo William J. Buttner William R. Penrose Rangachary Mukundan Cortney R. Kreller Robert S. Glass Fernando H. Garzon Eric L. Brosha |
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| Affiliation: | 1. Nanomaterials and Sensors Laboratory, School of Engineering and Computer Science, Washington State University Vancouver, WA, USA;2. Transportation and Hydrogen Systems Center, National Renewable Energy Laboratory, USA;3. Lawrence Livermore National Laboratory, USA;4. Custom Sensor Solutions, Inc., USA;5. Sensors and Electrochemical Devices Group, Los Alamos National Laboratory, USA |
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| Abstract: | In this article, the independent testing and validation of a packaged, electrochemical prototype hydrogen sensor at the National Renewable Energy Laboratory (NREL) is reported. Custom electronics were developed to be compatible with the data acquisition system at NREL. The specialized hydrogen sensor-testing laboratory at NREL used a variety of standardized test protocols to assess sensor performance. The system controlled and monitored humidity, pressure, and hydrogen gas concentration and introduced interference gases such as methane, carbon dioxide, carbon monoxide and ammonia. |
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| Keywords: | Independent testing Hydrogen sensor Selectivity Mixed potential Sensitivity |
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