Developments in gas sensor technology for hydrogen safety

Gas sensors are applied for facilitating the safe use of hydrogen in, for example, fuel cell and hydrogen fuelled vehicles. New sensor developments, aimed at meeting the increasingly stringent performance requirements in emerging applications, are reviewed. The strategy of combining different detect...

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Bibliographic Details
Published inInternational journal of hydrogen energy Vol. 39; no. 35; pp. 20474 - 20483
Main Authors HÜBERT, T, BOON-BRETT, L, PALMISANO, V, BADER, M. A
Format Conference Proceeding Journal Article
LanguageEnglish
Published Kidlington Elsevier 03.12.2014
Subjects
Alternative fuels. Production and utilization
Applied sciences
Carbon
Combustion
Dynamics
Energy
Exact sciences and technology
Fuels
Gas sensors
Graphene
Hydrogen
Safety
Semiconductors
Sensors
Hydrogen sensor
Hydrogen safety
Hydrogen
Gas sensors
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Summary:Gas sensors are applied for facilitating the safe use of hydrogen in, for example, fuel cell and hydrogen fuelled vehicles. New sensor developments, aimed at meeting the increasingly stringent performance requirements in emerging applications, are reviewed. The strategy of combining different detection principles, i.e. sensors based on electrochemical cells, semiconductors or field effects in combination with thermal conductivity sensing or catalytic combustion elements, in one new measuring system is reported. This extends the dynamic measuring range of the sensor while improving sensor reliability to achieve higher safety integrity through diverse redundancy. The application of new nanoscaled materials, nanowires, carbon tubes and graphene as well as the improvements in electronic components and optical elements are evaluated in view of key operating parameters such as measuring range, sensor response time and low working temperature.
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ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2014.05.042