Wolff-Ragnar Kiebach

Wolff-Ragnar Kiebach

Seniorforsker

DTU ENERGI
Institut for Energikonvertering og -lagring

Danmarks Tekniske Universitet

Frederiksborgvej 399

Bygning 775, rum S17

4000 Roskilde

Hjemmeside

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Publikationer
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2017
 

Enhanced densification of thin tape cast Ceria-Gadolinium Oxide (CGO) layers by rheological optimization of slurries

Marani, Debora ; Esposito, Vincenzo ; Sudireddy, Bhaskar Reddy ; Bentzen, Janet Jonna ; Jørgensen, Peter Stanley ; Ni, De Wei ; Teocoli, Francesca ; Kiebach, Wolff-Ragnar
in journal: Ceramics International (ISSN: 0272-8842) (DOI: http://dx.doi.org/10.1016/j.ceramint.2017.01.098), vol: 43, issue: 7, pages: 5647-5653, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1016/j.ceramint.2017.01.098

 

In-situ formed Ce0.8Gd0.2O1.9 barrier layers on yttria stabilized zirconia backbones by infiltration - A promising path to high performing oxygen electrodes of solid oxide cell

Ovtar, Simona ; Chen, Ming ; Samson, Alfred Junio ; Kiebach, Wolff-Ragnar
in journal: Solid State Ionics (ISSN: 0167-2738) (DOI: http://dx.doi.org/10.1016/j.ssi.2017.03.019), vol: 304, pages: 51-59, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1016/j.ssi.2017.03.019

 

On the Properties and Long-Term Stability of Infiltrated Lanthanum Cobalt Nickelates (LCN) in Solid Oxide Fuel Cell Cathodes

Kiebach, Wolff-Ragnar ; Zielke, Philipp ; Veltzé, Sune ; Ovtar, Simona ; Xu, Yu ; Simonsen, Søren Bredmose ; Kwok, Kawai ; Frandsen, Henrik Lund ; Küngas, Rainer
in journal: Journal of the Electrochemical Society (ISSN: 0013-4651) (DOI: http://dx.doi.org/10.1149/2.0361707jes), vol: 164, issue: 7, pages: F748-F758, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1149/2.0361707jes

2016
 

Poly(vinylpyrrolidone) as dispersing agent for cerium-gadolinium oxide (CGO) suspensions

Marani, Debora ; Sudireddy, Bhaskar Reddy ; Nielsen, Lotte ; Ndoni, Sokol ; Kiebach, Wolff-Ragnar
in journal: Journal of Materials Science (ISSN: 0022-2461) (DOI: http://dx.doi.org/10.1007/s10853-015-9439-5), vol: 51, issue: 2, pages: 1098-1106, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1007/s10853-015-9439-5

 

Infiltration of SOFC Stacks: Evaluation of the Electrochemical Performance Enhancement and the Underlying Changes in the Microstructure

Kiebach, Wolff-Ragnar ; Zielke, Philipp ; Høgh, Jens Valdemar Thorvald ; Thydén, Karl Tor Sune ; Wang, H.-J. ; Barford, R. ; Hendriksen, Peter Vang
in journal: Fuel Cells (ISSN: 1615-6846) (DOI: http://dx.doi.org/10.1002/fuce.201500107), vol: 16, issue: 1, pages: 80-88, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1002/fuce.201500107

 

An Ag based brazing system with a tunable thermal expansion for the use as sealant for solid oxide cells

Kiebach, Wolff-Ragnar ; Engelbrecht, Kurt ; Grahl-Madsen, Laila ; Sieborg, Bertil ; Chen, Ming ; Hjelm, Johan ; Norrman, Kion ; Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang
in journal: Journal of Power Sources (ISSN: 0378-7753) (DOI: http://dx.doi.org/10.1016/j.jpowsour.2016.03.030), vol: 315, pages: 339-350, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1016/j.jpowsour.2016.03.030

 

Joining of ceramic Ba0.5Sr0.5Co0.8Fe0.2O3 membranes for oxygen production to high temperature alloys

Kiebach, Wolff-Ragnar ; Engelbrecht, Kurt ; Kwok, Kawai ; Molin, Sebastian ; Søgaard, Martin ; Niehoff, Patrick ; Schulze-Küppers, Falk ; Kriegel, Ralf ; Kluge, Jens ; Hendriksen, Peter Vang
in journal: Journal of Membrane Science (ISSN: 0376-7388) (DOI: http://dx.doi.org/10.1016/j.memsci.2016.01.050), vol: 506, pages: 11-21, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1016/j.memsci.2016.01.050

 

Simulation, design and proof-of-concept of a two-stage continuous hydrothermal flow synthesis reactor for synthesis of functionalized nano-sized inorganic composite materials

Zielke, Philipp ; Xu, Yu ; Simonsen, Søren Bredmose ; Norby, Poul ; Kiebach, Wolff-Ragnar
in journal: Journal of Supercritical Fluids (ISSN: 0896-8446) (DOI: http://dx.doi.org/10.1016/j.supflu.2016.06.008), vol: 117, pages: 1-12, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1016/j.supflu.2016.06.008

 

Oxygen permeation flux through 10Sc1YSZ-MnCo2O4 asymmetric membranes prepared by two-step sintering

Pirou, Stéven ; Gurauskis, Jonas ; Gil, Vanesa ; Søgaard, Martin ; Hendriksen, Peter Vang ; Kaiser, Andreas ; Ovtar, Simona ; Kiebach, Wolff-Ragnar
in journal: Fuel Processing Technology (ISSN: 0378-3820) (DOI: http://dx.doi.org/10.1016/j.fuproc.2016.06.019), vol: 152, pages: 192-199, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1016/j.fuproc.2016.06.019

 

Long-Term Stability of Anode-Supported Solid Oxide Fuel Cells with a Co-Sintered Cathode Backbone and Infiltrated La0.95Co0.4Ni0.6O3 (LCN) Electro-Catalyst

Küngas, Rainer ; Veltzé, Sune ; Ovtar, Simona ; Xu, Yu ; Simonsen, Søren Bredmose ; Kwok, Kawai ; Frandsen, Henrik Lund ; Samson, Alfred Junio ; Zielke, Philipp ; Kiebach, Wolff-Ragnar
in journal: Electrochemical Society. Meeting Abstracts (Online) (ISSN: 2151-2043), vol: MA2016-02, 2016
Presented at:
PRiME 2016/230th ECS Meeting, 2016, Honolulu

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    År: 2016