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Investigation of catalytic hydrogen sensors with platinum group catalysts

Ivanov, I. I. (författare)
Moscow Aviation Institute, 4 Volokolamskoe shosse, Moscow, 125993, Russia
Baranov, A. M. (författare)
Moscow Aviation Institute, 4 Volokolamskoe shosse, Moscow, 125993, Russia
Talipov, V. A. (författare)
Moscow Aviation Institute, 4 Volokolamskoe shosse, Moscow, 125993, Russia; LLC “NTC IGD”, 26A Elektrofikatsii Street, Lyubertsy, Moscow Region, 140004, Russia
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Mironov, S. M. (författare)
LLC “NTC IGD”, 26A Elektrofikatsii Street, Lyubertsy, Moscow Region, 140004, Russia
Akbari, Saba (författare)
Malmö universitet,Institutionen för biomedicinsk vetenskap (BMV),Malmö University, Department of Biomedical Sciences, Per Albin Hanssons väg 35, SE-214 32, Malmö, Sweden
Kolesnik, I. V. (författare)
Lomonosov Moscow State University, Leninskie Gory, Moscow, 119991, Russia
Orlova, E. D. (författare)
Lomonosov Moscow State University, Leninskie Gory, Moscow, 119991, Russia; Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, 3 Nobel Str., Moscow, 143026, Russia
Napolskii, K. S. (författare)
Lomonosov Moscow State University, Leninskie Gory, Moscow, 119991, Russia
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 (creator_code:org_t)
Elsevier, 2021
2021
Engelska.
Ingår i: Sensors and actuators. B, Chemical. - : Elsevier. - 0925-4005 .- 1873-3077. ; 346
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • Environmental deterioration and limited resources of hydrocarbons push the development of alternative power sources. One of the most promising energy carriers is hydrogen. However, handling hydrogen is more hazardous than the use of hydrocarbons because it has a significantly wider flammable range. Thus the development of new sensors for preventing hydrogen leakage is the actual task of modern materials science and chemical engineering. In this work, the response of catalytic sensors to hydrogen with different catalysts of platinum group (Pt, Pd, Ir, Rh, Pt + Pd, Pt + Pd + Rh, Pt + Pd + Ir) in the pre-explosion concentration range is studied. Temperature dependencies of sensitivity are discussed. A hysteresis in sensor response is observed during the cycling of the supply voltage. This phenomenon can be explained by partial transformation of platinum group metal oxides into metallic phase at a temperature of more than 500 °C and reverse metal oxidation at temperatures less than 400 °C. It has been shown that the sensors with catalysts containing Ir and Rh demonstrate more preferable characteristics for practical applications. © 2021 Elsevier B.V.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Naturresursteknik -- Annan naturresursteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Environmental Engineering -- Other Environmental Engineering (hsv//eng)
NATURVETENSKAP  -- Kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Naturresursteknik -- Energisystem (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Environmental Engineering -- Energy Systems (hsv//eng)

Nyckelord

Catalytic sensor
Hydrogen
Platinum group catalyst
Sensitivity
Catalysts
Deterioration
Hydrocarbons
Platinum compounds
Alternative power
Energy carriers
Environmental deterioration
Hydrogen leakage
Hydrogen sensor
Platinum-group
Power sources
]+ catalyst

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