Dag Hathiramani
Forschungszentrum Jülich
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Publication
Featured researches published by Dag Hathiramani.
Journal of Thermal Spray Technology | 2006
Dag Hathiramani; Robert Vaßen; Detlev Stöver; Rajiv J. Damani
Atmospheric plasma spraying (APS) is a cost-effective way to produce solid oxide fuel cell (SOFC) components. When using APS, therefore, sinter steps can be avoided, which is essential once a metallic support is used for the SOFC. Several properties are required regarding the microstructure of an optimized anode layer. Here, gas permeability, electrochemistry, electronic conductivity, coefficient of thermal expansion, as well as thermal shock resistance have to be considered. Different types of powder feedstock were investigated to develop an atmospheric plasma sprayed anode layer: (a) NiO or Ni together with YSZ as starting materials, (b) agglomerates in which NiO and YSZ are already mixed on a submicrometer range, (c) blended NiO/YSZ powder, and (d) separate injection of the individual NiO and YSZ powders, respectively, into the plasma by two separate powder lines. The performance of APS anodes are measured in single fuel-cell tests. Anode layers sprayed by a separate injection of the individual NiO and YSZ powders into the plasma show the best results.
Journal of Thermal Spray Technology | 2008
Holger Kassner; Roberto Siegert; Dag Hathiramani; Robert Vassen; Detlev Stoever
Surface & Coatings Technology | 2007
Robert Vaßen; Dag Hathiramani; J. Mertens; V. A. C. Haanappel; Izaak C. Vinke
Surface & Coatings Technology | 2008
Robert Vaßen; Holger Kaßner; A. Stuke; F. Hauler; Dag Hathiramani; Detlev Stöver
Surface & Coatings Technology | 2006
Detlev Stöver; Dag Hathiramani; Robert Vaßen; Rajiv J. Damani
Archive | 2004
Robert Vassen; Dag Hathiramani; Hans Peter Buchkremer; Frank Tietz; Jens-Erich Döring; Roberto Siegert; Franziska Traeger; Detlev Stöver
Archive | 2005
Robert Vassen; Dag Hathiramani; D. Stöver
Archive | 2006
Robert Vaßen; Dag Hathiramani; Detlev Stöver
Advances in Solid Oxide Fuel Cells II: Ceramic Engineering and Science Proceedings, Volume 27, Issue 4 | 2008
Dag Hathiramani; Robert Vaßen; J. Mertens; Doris Sebold; V. A. C. Haanappel; Detlev Stöver
Archive | 2005
Dag Hathiramani; Detlev Stöver; Robert Vassen