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Investigation of the storage and release of oxygen in a Cu-Pt element of a high-temperature microcombustor
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology.ORCID iD: 0000-0002-5452-7831
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology, Ångström Space Technology Centre (ÅSTC). Swedish National Defence College.ORCID iD: 0000-0002-0501-0887
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology.
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2014 (English)In: The 14th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications(PowerMEMS 2014), Institute of Physics (IOP), 2014Conference paper, Published paper (Refereed)
Abstract [en]

A miniature combustor for converting organic samples into CO2 with application in carbon isotopic measurements has been manufactured and evaluated. The combustor was made of High-Temperature Co-fired Ceramic (HTCC) alumina green tapes. The device has a built-in screen printed heater and a temperature sensor made of platinum, co-sintered with the ceramic. A copper oxide oxygen supply was added to the combustor after sintering by in-situ electroplating of copper on the heater pattern followed by thermal oxidation. Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS) and Thermal Gravimetric Analysis (TGA) were used to study electroplating, oxidation and the oxide reduction processes. The temperature sensor was calibrated by use of a thermocouple. It demonstrates a temperature coefficient resistance of 4.66×10−3/°C between 32 and 660 °C. The heat characterization was done up to 1000 °C by using IR thermography, and the results were compared with the data from the temperature sensor. Combustion of starch confirmed the feasibility of using copper oxide as the source of oxygen of combustion.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2014.
Series
Journal of Physics Conference Series, ISSN 1742-6588 ; 557
Keyword [en]
isotopic analysis, HTCC, combustor, SEM, EDS, TGA, oxygen release
National Category
Other Engineering and Technologies
Identifiers
URN: urn:nbn:se:uu:diva-239257DOI: 10.1088/1742-6596/557/1/012078ISI: 000346782800077OAI: oai:DiVA.org:uu-239257DiVA: diva2:773902
Conference
The 14th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications(PowerMEMS 2014),November 18-21 2014, Awaji Island, Hyogo, Japan
Available from: 2014-12-19 Created: 2014-12-19 Last updated: 2015-04-07

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Publisher's full texthttp://iopscience.iop.org/1742-6596/557/1/012078?fromSearchPage=true

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Khaji, ZahraSturesson, PeterHjort, KlasKlintberg, LenaThornell, Greger

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