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Hydrogen gas sensors : Overview and proof of principle

Title data

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Hydrogen gas sensors : Overview and proof of principle.
Bayreuth , 2023
( Bachelor thesis, 2023 , Universität Bayreuth / Lehrstuhl Funktionsmaterialien)

Abstract in another language

Hydrogen gas plays a crucial role in various applications, such as renewable energy storage, fuel cells, space systems, and manufacturing processes. Its detection relies on specialized hydrogen sensors, as even a 4% hydrogen concentration in air can lead to an explosion. The work comprises two parts: the theoretical and practical section. In the theoretical part, the focus is on discussing analytical methods for hydrogen detection, including gas chromatography combined with mass spectrometry or thermal conductivity detectors. Various sensor concepts are explored, such as catalytic sensors, resistance-based sensors, and electrochemical sensors. These concepts form the basis for the practical part of the work, where a proof of concept is presented. The sensor is constructed using the same materials and structure as previous works but with a different combination of manufacturing techniques. Specifically, the Au/Pt-IDE hydrogen sensors are fabricated using techniques like screen printing, thermal evaporation, and laser-patterning. The practical part aims to demonstrate the viability and effectiveness of the new manufacturing approach for hydrogen sensors. The findings reveal that several sensors exhibited desirable qualities, demonstrating their suitability for practical applications.

Further data

Item Type: Bachelor thesis
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Central research institutes > Bayreuth Center for Material Science and Engineering - BayMAT
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 18 Sep 2023 09:17
Last Modified: 18 Sep 2023 09:17