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dc.contributor.authorBUTTNER Williamen_GB
dc.contributor.authorBURGESS Roberten_GB
dc.contributor.authorRIVKIN Carlen_GB
dc.contributor.authorPOST Matthewen_GB
dc.contributor.authorBRETT Loisen_GB
dc.contributor.authorPALMISANO VALERIOen_GB
dc.contributor.authorMORETTO Pietroen_GB
dc.date.accessioned2014-12-03T01:04:12Z-
dc.date.available2014-12-02en_GB
dc.date.available2014-12-03T01:04:12Z-
dc.date.created2014-11-28en_GB
dc.date.issued2014en_GB
dc.date.submitted2014-05-23en_GB
dc.identifier.citationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY vol. 39 no. 35 p. 20484-20490en_GB
dc.identifier.issn0360-3199en_GB
dc.identifier.urihttp://www.sciencedirect.com/science/article/pii/S036031991400980Xen_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC90344-
dc.description.abstractGas sensors that respond directly to hydrogen are typically used to detect and quantify unintended hydrogen releases. However, alternative means to quantify or mitigate hydrogen releases are sometimes proposed. One recently explored approach has been to use oxygen sensors. This method is based on the assumption that a hydrogen release will displace oxygen, which can be quantified using oxygen sensors. Experimental evaluations designed to impartially assess the ability of oxygen and hydrogen sensors to reliably measure hydrogen concentration changes are presented. Although endorsed by the Global Technical Regulation (GTR) for Hydrogen and Fuel Cell Vehicles to verify hydrogen vehicles’ fuel system integrity, the results of this study indicate that the use of oxygen sensors for this application may be inappropriate. The sensor testing protocols used for this study included parallel testing of multiple sensors with varying environmental conditions (temperature, pressure, and relative humidity) and gas concentrations. Specific limitations on the use of oxygen sensors for hydrogen measurements are identified (e.g. inadequate accuracy for safety applications and may give misleading results under certain conditions) and alternative sensor technologies that meet the requirements for several applications, including those of the GTR, are proposed.en_GB
dc.description.sponsorshipJRC.F.2-Energy Conversion and Storage Technologiesen_GB
dc.format.mediumOnlineen_GB
dc.languageENGen_GB
dc.publisherPERGAMON-ELSEVIER SCIENCE LTDen_GB
dc.relation.ispartofseriesJRC90344en_GB
dc.titleAn assessment on the quantification of hydrogen releases through oxygen displacement using oxygen sensorsen_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.1016/j.ijhydene.2014.03.252en_GB
JRC Directorate:Energy, Transport and Climate

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