Simona Ovtar

Simona Ovtar

Postdoc

DTU ENERGI
Institut for Energikonvertering og -lagring

Danmarks Tekniske Universitet

Frederiksborgvej 399

Bygning 778, rum 36

4000 Roskilde

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2017
 

Oxygen transport properties of tubular Ce0.9Gd0.1O1.95-La0.6Sr0.4FeO3−d composite asymmetric oxygen permeation membranes supported on magnesium oxide

Ovtar, Simona ; Gurauskis, Jonas ; Bjørnetun Haugen, Astri ; Chatzichristodoulou, Christodoulos ; Kaiser, Andreas ; Hendriksen, Peter Vang
in journal: Journal of Membrane Science (ISSN: 0376-7388) (DOI: http://dx.doi.org/10.1016/j.memsci.2016.09.060), vol: 523, pages: 576-587, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1016/j.memsci.2016.09.060

 

A Decade of Solid Oxide Electrolysis Improvements at DTU Energy

Hauch, Anne ; Brodersen, Karen ; Chen, Ming ; Graves, Christopher R. ; Jensen, Søren Højgaard ; Jørgensen, Peter Stanley ; Hendriksen, Peter Vang ; Mogensen, Mogens Bjerg ; Ovtar, Simona ; Sun, Xiufu
in journal: ECS Transactions (ISSN: 1938-6737) (DOI: http://dx.doi.org/10.1149/07542.0003ecst), vol: 75, issue: 42, pages: 3-14, 2017
Presented at:
PRiME 2016/230th ECS Meeting, 2016, Honolulu

Type: Conference article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1149/07542.0003ecst

 

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

 

High performance LaNi1-xCoxO3-δ (x = 0.4 to 0.7) infiltrated oxygen electrodes for reversible solid oxide cells

Chrzan, Aleksander ; Ovtar, Simona ; Jasinski, Piotr ; Chen, Ming ; Hauch, Anne
in journal: Journal of Power Sources (ISSN: 0378-7753) (DOI: http://dx.doi.org/10.1016/j.jpowsour.2017.03.148), vol: 353, pages: 67-76, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1016/j.jpowsour.2017.03.148

 

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

 

(Invited) Oxygen Exchange Kinetics on Technological Versus Model Type Electrodes

Hendriksen, Peter Vang ; Ovtar, Simona ; Tripkovic, Dordije
in journal: Electrochemical Society. Meeting Abstracts (Online) (ISSN: 2151-2043), vol: MA2017-01, 2017
Presented at:
231st ECS Meeting, 2017, New Orleans, LA

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    År: 2017

2016
 

High-Performance Microchanneled Asymmetric Gd0.1Ce0.9O1.95-δ-La0.6Sr0.4FeO3-δ-Based Membranes for Oxygen Separation

Cheng, Shiyang ; Huang, Hua ; Ovtar, Simona ; Simonsen, Søren Bredmose ; Chen, Ming ; Zhang, Wei ; Søgaard, Martin ; Kaiser, Andreas ; Hendriksen, Peter Vang ; Chen, Chusheng
in journal: A C S Applied Materials and Interfaces (ISSN: 1944-8244) (DOI: http://dx.doi.org/10.1021/acsami.5b10714), vol: 8, issue: 7, pages: 4548-4560, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1021/acsami.5b10714

 

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

 

A Decade of Improvements for Solid Oxide Electrolysis Cells. Long-Term Degradation Rate from 40%/Kh to 0.4 % Kh

Hauch, Anne ; Brodersen, Karen ; Chen, Ming ; Graves, Christopher R. ; Jensen, Søren Højgaard ; Jørgensen, Peter Stanley ; Hendriksen, Peter Vang ; Mogensen, Mogens Bjerg ; Ovtar, Simona ; Sun, Xiufu
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