Wolff-Ragnar Kiebach

Wolff-Ragnar Kiebach

Senior Researcher

DTU ENERGY
Department of Energy Conversion and Storage

Technical University of Denmark

Anker Engelunds Vej

Building 301, room 126

2800 Kgs. Lyngby

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2019
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Long-term stability of glass-ceramic sealants for solid oxide cells at relevant conditions

Ritucci, Ilaria ; Frandsen, Henrik Lund ; Talic, Belma ; Smeacetto, F. ; Henriksen, P. V. ; Wulff, Anders Christian ; Kiebach, Wolff-Ragnar
part of: XVI Conference and exhibition of the european ceramic society - abstract book, pages: 444-444, 2019, AIM Group International, Torino, Italy
Presented at:
XVI Conference and exhibition of the european ceramic society

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2019

2017
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Advanced manufacturing of porous ceramic structures for use in energy applications (invited)

Kaiser, Andreas ; Bjørnetun Haugen, Astri ; Zhang, Wenjing (Angela) ; Ovtar, Simona ; Kiebach, Wolff-Ragnar ; Hendriksen, Peter Vang
part of: Book of abstracts - 15th Conference & Exhibition of the European Ceramic Society (ECerS2017), pages: 11, 2017
Presented at:
ECerS 2017 - 15th Conference & Exhibition of the European Ceramic Society

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2017

 

A Novel SOFC/SOEC Sealing Glass with a Low SiO2 Content and a High Thermal Expansion Coefficient

Kiebach, Wolff-Ragnar ; Agersted, Karsten ; Zielke, Philipp ; Ritucci, Ilaria ; Brock, Mette Bybjerg ; Hendriksen, Peter Vang
in: E C S Transactions, vol: 78, issue: 1, pages: 1739-1747
Presented at:
15th International Symposium on Solid Oxide Fuel Cells (SOFC-XV)

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1149/07801.1739ecst

 

A Novel SOFC/SOEC Sealing Glass with a Low SiO2 Content and a High Thermal Expansion Coefficient  

Kiebach, Wolff-Ragnar ; Agersted, Karsten ; Zielke, Philipp ; Ritucci, Ilaria ; Brock, Mette Bybjerg ; Hendriksen, Peter Vang
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2017-03, pages: 1
Presented at:
15th International Symposium on Solid Oxide Fuel Cells (SOFC-XV)

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2017

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Continuous Hydrothermal Flow Synthesis of Functional Oxide Nanomaterials for Energy Conversion Devices

Xu, Yu ; Zielke, Philipp ; Kiebach, Wolff-Ragnar
part of: Book of Abstracts, Sustain 2017, 2017, Technical University of Denmark
Presented at:
Sustain 2017

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2017

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Development and Performance of Zirconia Based Oxygen Transport Membranes for Carbon Capture Processes

Pirou, Stéven ; Hendriksen, Peter Vang ; Kaiser, Andreas ; Kiebach, Wolff-Ragnar
part of: Book of Abstracts, Sustain 2017, 2017, Technical University of Denmark
Presented at:
Sustain 2017

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2017

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Dual phase composites for tubular oxygen transport membranes

Martinez Aguilera, Lev ; Bjørnetun Haugen, Astri ; Kiebach, Wolff-Ragnar
part of: Book of Abstracts, Sustain 2017, 2017, Technical University of Denmark
Presented at:
Sustain 2017

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2017

2016
 

Electrochemical Impedance Spectroscopy on Industrially-Relevant Solid Oxide Electrolyzer Cell Stacks: A Powerful Tool for in-Situ Investigations of Degradation Mechanisms

Zielke, Philipp ; Høgh, Jens Valdemar Thorvald ; Chen, Ming ; Kiebach, Wolff-Ragnar ; Küngas, Rainer ; Blennow, Peter ; Hjelm, Johan ; Hendriksen, Peter Vang
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2016-02
Presented at:
PRiME 2016/230th ECS Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2016

 

in-Situ Formed Ce0.8Gd0.2O1.9 Barrier Layer on Yttria Stabilized Zirconia Back-Bone for Infiltrated Oxygen Electrodes

Ovtar, Simona ; Chen, Ming ; Hauch, Anne ; Kiebach, Wolff-Ragnar
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2016-02
Presented at:
PRiME 2016/230th ECS Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2016

 

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: Electrochemical Society. Meeting Abstracts (Online), vol: MA2016-02
Presented at:
PRiME 2016/230th ECS Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2016

 

Nanocomposite YSZ-NiO Particles with Tailored Structure Synthesized in a Two-Stage Continuous Hydrothermal Flow Reactor

Zielke, Philipp ; Xu, Yu ; Kiebach, Wolff-Ragnar ; Simonsen, Søren Bredmose ; Norby, Poul ; Hendriksen, Peter Vang
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2016-02
Presented at:
PRiME 2016/230th ECS Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2016

 

Research and Development on Oxygen Transport Membranes at the Technical University of Denmark from Materials to Modules

Kiebach, Wolff-Ragnar ; Pirou, Stéven ; Ovtar, Simona ; Bjørnetun Haugen, Astri ; Hendriksen, Peter Vang
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2016-02
Presented at:
PRiME 2016/230th ECS Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2016

2015
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Modeling of Ni Diffusion Induced Austenite Formation in Ferritic Stainless Steel Interconnects

Chen, Ming ; Molin, Sebastian ; Zhang, L. ; Ta, Na ; Hendriksen, Peter Vang ; Kiebach, Wolff-Ragnar ; Du, Y.
in: E C S Transactions, vol: 68, issue: 1, pages: 1691-1700
Presented at:
ECS Conference on Electrochemical Energy Conversion & Storage with SOFC–XIV

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1149/06801.1691ecst

2014
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Influence of Mn-Co Spinel Coating on Oxidation Behavior of Ferritic SS Alloys for SOFC Interconnect Applications

Venkatachalam, Vinothini ; Molin, Sebastian ; Kiebach, Wolff-Ragnar ; Chen, Ming ; Hendriksen, Peter Vang
part of: Proceedings of the Materials Science and Technology 2014 Conference, pages: 1213-1220, 2014, ASM International
Presented at:
Materials Science and Technology 2014 Conference

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2014

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Rheological properties of poly(vinylpiyrrolidone) as a function of molecular weight

Marani, Debora ; Sudireddy, Bhaskar Reddy ; Kiebach, Wolff-Ragnar ; Nielsen, Lotte ; Ndoni, Sokol
in: Nordic Rheology Society Annual Transactions, vol: 22
Presented at:
23rd Nordic Rheology Conference

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2014

 

Thermodynamic Evaluation of LSCF Cathode Stability and Tolerance towards Gas Impurities

Zhang, Weiwei ; Chen, Ming ; Hendriksen, Peter Vang ; Kiebach, Wolff-Ragnar
part of: Proceedings of 11th European SOFC and SOE Forum 2014, pages: 40-50, 2014, European Fuel Cell Forum
Presented at:
European fuel cell 2014 - 11th European SOFC and SOE Forum 2014

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2014

2013
 

Towards robust and reliable SOEC cells and stacks: Understanding degradation phenomena occurring under high current densities

Kiebach, Wolff-Ragnar
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2013-01
Presented at:
223rd Electrochemical Society Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2013

2010
 

Investigation of Failure Mechanisms in Ti containing Brazing Alloys used in SOFC/SOEC Environments

Kiebach, Wolff-Ragnar ; Knibbe, Ruth ; Frederiksen, Kristian Bødker ; Chen, Ming ; Mikkelsen, Lars ; Hendriksen, Peter Vang
part of: Proceedings, pages: 655-665, 2011, American Society of Mechanical Engineers
Presented at:
8th International Conference on Fuel Cell Science, Engineering, and Technology

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2010

2009
 

Photoluminescence from Si nanocrystals obtained by electrochemical methods embedded in a silicon oxide matrix

Cortazar, O. ; Aceves, M. ; Yu, Z. ; Kiebach, Wolff-Ragnar
part of: Proceedings, pages: 611-615, 2009, IEEE
Presented at:
6th International Conference on Electrical Engineering, Computing Science and Automatic Control

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2009