Jonathan Polfus

Associate Professor - Department of Chemistry
Image of Jonathan Polfus
Norwegian version of this page
Mobile phone 40061363
Room 22:145
Username
Visiting address Forskningsparken Gaustadalléen 21 0349 Oslo
Postal address Postboks 1033 Blindern 0315 Oslo

Academic interests

  • Materials Science and Solid State Electrochemistry
  • Point defects in crystalline solids: oxides, nitrides, hydrides
  • Defect thermodynamics and ionic/electronic conductivity
  • Space charge formation at grain boundaries and surfaces
  • Protonic ceramic electrochemical systems
  • Two-dimensional materials and van der Waals heterostructures
  • Combined density functional theory (DFT) and experimental studies

Teaching

Background

  • Associate Professor, Department of Chemistry, University of Oslo (2021–)
  • Visiting Researcher, Department of Materials Science and Engineering, Massachusetts Institute of Technology (2017)
  • (Senior) Research Scientist, Sustainable Energy Technology, SINTEF (2012–2021)
  • Research stay during PhD, Department of Materials Science and Engineering, Kyoto University (2012)
  • PhD, Department of Chemistry, University of Oslo (2009–2012)

Awards

  • Yara Birkeland Award in Chemistry (2013)

 

Tags: Materials Science and Technology, Solid State Electrochemistry, Solid State Ionics, Defect Chemistry, Electroceramics, 2D Materials, density functional theory, SMN

Publications

  • Emhjellen, Linn Katinka Susanne Shi; Liu, Xin; Polfus, Jonathan M. & Haugsrud, Reidar (2022). Native point defects and polaron transport in zirconium pyrovanadate. Solid State Ionics. ISSN 0167-2738. 386. doi: 10.1016/j.ssi.2022.116033.
  • Kim, Donghoi; Liu, Zhongxuan; Anantharaman, Rahul; Riboldi, Luca; Odsæter, Lars Hov & Berstad, David Olsson [Show all 10 contributors for this article] (2022). Design of a novel hybrid process for membrane assisted clean hydrogen production with CO2 capture through liquefaction. Computer-aided chemical engineering. ISSN 1570-7946. 49, p. 127–132. doi: 10.1016/B978-0-323-85159-6.50021-X.
  • Vøllestad, Einar; Øygarden, Vegar; Graff, Joachim Seland; Sunding, Martin Fleissner; Pietras, John D. & Polfus, Jonathan M. [Show all 7 contributors for this article] (2022). On the mechanism of Mn(II)-doping in Scandia stabilized zirconia electrolytes. Acta Materialia. ISSN 1359-6454. 227, p. 1–11. doi: 10.1016/j.actamat.2022.117695. Full text in Research Archive
  • Polfus, Jonathan M.; Benthem, Marta; Ali, Ayaz; Barragan-Yani, Daniel; Vullum, Per Erik & Sunding, Martin Fleissner [Show all 9 contributors for this article] (2021). Temperature-Dependent Adhesion in van der Waals Heterostructures. Advanced Materials Interfaces. ISSN 2196-7350. 8(20). doi: 10.1002/admi.202100838. Full text in Research Archive
  • Polfus, Jonathan; Peters, Thijs; Bredesen, Rune & Løvvik, Ole Martin (2021). Vacancy diffusion in palladium hydrides. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 23(24), p. 13680–13686. doi: 10.1039/d1cp01960k. Full text in Research Archive
  • Yang, Jing; Polfus, Jonathan Marc; Li, Zuoan; Tuller, Harry & Yildiz, Bilge (2020). Role of Adsorbate Coverage on the Oxygen Dissociation Rate on Sr-Doped LaMnO3 Surfaces in the Presence of H2O and CO2. Chemistry of Materials. ISSN 0897-4756. 32(13), p. 5483–5492. doi: 10.1021/acs.chemmater.9b05243. Full text in Research Archive
  • Dahl-Hansen, Runar Plunnecke; Polfus, Jonathan Marc; Vøllestad, Einar; Akkopru-Akgun, Betul; Denis, Lyndsey & Coleman, Kathleen [Show all 9 contributors for this article] (2020). Electrochemically driven degradation of chemical solution deposited ferroelectric thin-films in humid ambient. Journal of Applied Physics. ISSN 0021-8979. 127. doi: 10.1063/5.0003989. Full text in Research Archive
  • Polfus, Jonathan Marc; Løvvik, Ole Martin; Bredesen, Rune & Peters, Thijs (2020). Hydrogen induced vacancy clustering and void formation mechanisms at grain boundaries in palladium. Acta Materialia. ISSN 1359-6454. 195, p. 708–719. doi: 10.1016/j.actamat.2020.06.007. Full text in Research Archive
  • Bondevik, Tarjei; Polfus, Jonathan Marc & Norby, Truls Eivind (2020). Disagreements between space charge models and grain boundary impedance data in yttrium-substituted barium zirconate. Solid State Ionics. ISSN 0167-2738. 353. doi: 10.1016/j.ssi.2020.115369. Full text in Research Archive
  • Li, Zuoan; Polfus, Jonathan Marc; Xing, Wen; Denonville, Christelle; Fontaine, Marie-Laure & Bredesen, Rune (2019). Factors Limiting the Apparent Hydrogen Flux in Asymmetric Tubular Cercer Membranes Based on La27W3.5Mo1.5O55.5−δ and La0.87Sr0.13CrO3−δ. Membranes. ISSN 2077-0375. 9(126). doi: 10.3390/membranes9100126. Full text in Research Archive
  • Polfus, Jonathan M. & Jayasayee, Kaushik (2019). Robust nanocomposites of a-Fe2O3 and N-doped graphene oxide: Interfacial bonding and chemisorption of H2O. Carbon. ISSN 0008-6223. 152, p. 497–502. doi: 10.1016/j.carbon.2019.05.033. Full text in Research Archive
  • Xing, Wen; Almeida Carvalho, Patricia; Polfus, Jonathan M. & Li, Zuoan (2019). Thermochemically stable ceramic compositemembranes based on Bi2O3 for oxygen separationwith high permeability. Chemical Communications. ISSN 1359-7345. 55(24), p. 3493–3496. doi: 10.1039/c8cc10077b. Full text in Research Archive
  • Sazinas, Rokas; Sunding, Martin Fleissner; Thøgersen, Annett; Sakaguchi, Isao; Norby, Truls Eivind & Grande, Tor [Show all 7 contributors for this article] (2019). Surface reactivity and cation non-stoichiometry in BaZr1-xYxO3-δ (x=0-0.2) exposed to CO2 at elevated temperature. Journal of Materials Chemistry A. ISSN 2050-7488. 7(8), p. 3848–3856. doi: 10.1039/c8ta11021b. Full text in Research Archive
  • Polfus, Jonathan M.; Yang, Jing & Yildiz, Bilge (2018). Interplay between H2O and CO2 coadsorption and space-charge on Y-doped BaZrO3 surfaces. Journal of Materials Chemistry A. ISSN 2050-7488. 6, p. 24823–24830. doi: 10.1039/C8TA09491H. Full text in Research Archive
  • Polfus, Jonathan M.; Yildiz, Bilge & Tuller, Harry (2018). Origin of fast oxide ion diffusion along grain boundaries in Sr-doped LaMnO3. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 20(28), p. 19142–19150. doi: 10.1039/c8cp02443j.
  • Polfus, Jonathan M.; Pishahang, Mehdi & Bredesen, Rune (2018). Influence of Ce3+ polarons on grain boundary space-charge in proton conducting Y-doped BaCeO3. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 20(23), p. 16209–16215. doi: 10.1039/c8cp00168e. Full text in Research Archive
  • Wachowski, Sebastian Lech; Li, Zuoan; Polfus, Jonathan M. & Norby, Truls Eivind (2018). Performance and stability in H2S of SrFe0.75Mo0.25O3-δ as electrode in proton ceramic fuel cells. Journal of the European Ceramic Society. ISSN 0955-2219. 38(1), p. 163–171. doi: 10.1016/j.jeurceramsoc.2017.08.020.
  • Xing, Wen; Fontaine, Marie-Laure; Li, Zuoan; Polfus, Jonathan M.; Larring, Yngve & Denonville, Christelle [Show all 10 contributors for this article] (2018). Asymmetric tubular CaTi0.6Fe0.15Mn0.25O3-δ membranes: Membrane architecture and long-term stability. Journal of Membrane Science. ISSN 0376-7388. 548, p. 372–379. doi: 10.1016/j.memsci.2017.11.042.
  • Polfus, Jonathan M.; Yildiz, Bilge; Tuller, Harry & Bredesen, Rune (2018). Adsorption of CO2 and Facile Carbonate Formation on BaZrO3 Surfaces. Journal of Physical Chemistry C. ISSN 1932-7447. 122(1), p. 307–314. doi: 10.1021/acs.jpcc.7b08223. Full text in Research Archive
  • Fontaine, Marie-Laure; Denonville, Christelle; Li, Zuoan; Xing, Wen; Polfus, Jonathan M. & Kvello, Jannicke Hatlø [Show all 10 contributors for this article] (2018). Fabrication and H2 flux measurement of asymmetric La27W3.5Mo1.5O55.5-δ − La0.87Sr0.13CrO3-δ membranes. Journal of the European Ceramic Society. ISSN 0955-2219. 38(4), p. 1695–1701. doi: 10.1016/j.jeurceramsoc.2017.11.015.
  • Sazinas, Rokas; Sakaguchi, Isao; Hasle, Ida Margrete; Polfus, Jonathan M.; Haugsrud, Reidar & Einarsrud, Mari-Ann [Show all 7 contributors for this article] (2017). Tracer diffusion of 96Zr and 134Ba in polycrystalline BaZrO3. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 19(32), p. 21878–21886. doi: 10.1039/C7CP04039C. Full text in Research Archive
  • Polfus, Jonathan M.; Norby, Truls Eivind & Bredesen, Rune (2016). Proton segregation and space-charge at the BaZrO3 (0 0 1)/MgO (0 0 1) heterointerface. Solid State Ionics. ISSN 0167-2738. 297, p. 77–81. doi: 10.1016/j.ssi.2016.10.010. Full text in Research Archive
  • Peters, Thijs; Polfus, Jonathan M.; van Berkel, Frans & Bredesen, Rune (2016). Interplay between propylene and H2S co-adsorption on the H2 flux characteristics of Pd-alloy membranes employed in propane dehydrogenation (PDH) processes. Chemical Engineering Journal. ISSN 1385-8947. 304, p. 134–140. doi: 10.1016/j.cej.2016.06.065.
  • Peters, Thijs; Polfus, Jonathan M.; Stange, Marit Synnøve Sæverud; Veenstra, Peter; Nijmeijer, Arian & Bredesen, Rune (2016). H2 flux inhibition and stability of Pd-Ag membranes under exposure to trace amounts of NH3. Fuel processing technology. ISSN 0378-3820. 152, p. 259–265. doi: 10.1016/j.fuproc.2016.06.012.
  • Polfus, Jonathan M.; Fontaine, Marie-Laure; Thøgersen, Annett; Riktor, Marit Dalseth; Norby, Truls & Bredesen, Rune (2016). Solubility of transition metal interstitials in proton conducting BaZrO3 and similar perovskite oxides. Journal of Materials Chemistry A. ISSN 2050-7488. 4(21), p. 8105–8112. doi: 10.1039/c6ta02377k.
  • Polfus, Jonathan M.; Bjørheim, Tor Svendsen; Norby, Truls & Bredesen, Rune (2016). Surface defect chemistry of Y-substituted and hydrated BaZrO3 with subsurface space-charge regions. Journal of Materials Chemistry A. ISSN 2050-7488. 4(19), p. 7437–7444. doi: 10.1039/c6ta02067d.
  • Polfus, Jonathan M.; Xing, Wen; Riktor, Marit Dalseth; Sunding, Martin Fleissner; Dahl, Paul Inge & Hanetho, Sidsel Meli [Show all 10 contributors for this article] (2016). Enhanced O2 flux of CaTi0.85Fe0.15O3 – d based membranes by Mn doping. Journal of The American Ceramic Society. ISSN 0002-7820. 99(3), p. 1071–1078. doi: 10.1111/jace.14022. Full text in Research Archive
  • Polfus, Jonathan M.; Li, Zuoan; Xing, Wen; Sunding, Martin Fleissner; Walmsley, John & Fontaine, Marie-Laure [Show all 8 contributors for this article] (2016). Chemical stability and H2 flux degradation of cercer membranes based on lanthanum tungstate and lanthanum chromite. Journal of Membrane Science. ISSN 0376-7388. 503, p. 42–47. doi: 10.1016/j.memsci.2015.12.054. Full text in Research Archive
  • Polfus, Jonathan M.; Xing, Wen; Pecanac, Goran; Fossdal, Anita; Hanetho, Sidsel Meli & Larring, Yngve [Show all 9 contributors for this article] (2016). Oxygen permeation and creep behavior of Ca1-xSrxTi0.6Fe0.15Mn0.25O3-δ (x=0, 0.5) membrane materials. Journal of Membrane Science. ISSN 0376-7388. 499, p. 172–178. doi: 10.1016/j.memsci.2015.10.016. Full text in Research Archive
  • Polfus, Jonathan M.; Løvvik, Ole Martin; Rørvik, Per Martin & Bredesen, Rune (2016). Nanocomposites of few-layer graphene oxide and alumina by density functional theory calculations. Journal of the European Ceramic Society. ISSN 0955-2219. 36(3), p. 719–724. doi: 10.1016/j.jeurceramsoc.2015.11.009. Full text in Research Archive
  • Polfus, Jonathan M.; Norby, Truls & Bredesen, Rune (2015). Protons in Oxysulfates, and Sulfides: A First-Principles Study of La2O2S, La2O2SO4, SrZrS3, and BaZrS3. Journal of Physical Chemistry C. ISSN 1932-7447. 119(42), p. 23875–23882. doi: 10.1021/acs.jpcc.5b08278. Full text in Research Archive
  • Zheng, Kun; Swierczek, Konrad; Polfus, Jonathan M.; Sunding, Martin Fleissner; Pishahang, Mehdi & Norby, Truls (2015). Carbon Deposition and Sulfur Poisoning in SrFe0.75Mo0.25O3-δ and SrFe0.5Mn0.25Mo0.25O3-δ Electrode Materials for Symmetrical SOFCs. Journal of the Electrochemical Society. ISSN 0013-4651. 162(9), p. F1078–FF1087. doi: 10.1149/2.0981509jes.
  • Polfus, Jonathan M.; Xing, Wen; Fontaine, Marie-Laure; Denonville, Christelle; Henriksen, Partow Pakdel & Bredesen, Rune (2015). Hydrogen separation membranes based on dense ceramic composites in the La27W5O55.5–LaCrO3 system. Journal of Membrane Science. ISSN 0376-7388. 479, p. 39–45. doi: 10.1016/j.memsci.2015.01.027. Full text in Research Archive
  • Polfus, Jonathan M.; Xing, Wen; Sunding, Martin Fleissner; Hanetho, Sidsel Meli; Dahl, Paul Inge & Larring, Yngve [Show all 8 contributors for this article] (2015). Doping strategies for increased oxygen permeability of CaTiO3 based membranes. Journal of Membrane Science. ISSN 0376-7388. 482, p. 137–143. doi: 10.1016/j.memsci.2015.02.036. Full text in Research Archive
  • Polfus, Jonathan Marc; Norby, Truls & Haugsrud, Reidar (2013). The defect chemistry of nitrogen in oxides: A review of experimental and theoretical studies. Journal of Solid State Chemistry. ISSN 0022-4596. 198, p. 65–76. doi: 10.1016/j.jssc.2012.09.010.
  • Polfus, Jonathan Marc; Bjørheim, Tor Svendsen; Norby, Truls & Haugsrud, Reidar (2012). Nitrogen defects in wide band gap oxides: defect equilibria and electronic structure from first principles calculations. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 14(33), p. 11808–11815. doi: 10.1039/c2cp41378g.
  • Polfus, Jonathan Marc; Toyoura, Kazuaki; Hervoches, Charles Herve; Sunding, Martin Fleissner; Tanaka, Isao & Haugsrud, Reidar (2012). Nitrogen and hydrogen defect equilibria in Ca12Al14O33: a combined experimental and computational study. Journal of Materials Chemistry. ISSN 0959-9428. 22(31), p. 15828–15835. doi: 10.1039/c2jm16202d.
  • Polfus, Jonathan Marc & Haugsrud, Reidar (2012). Protons in perovskite nitrides and oxide nitrides: A first principles study of ThTaN3 and SrTaO2N. Solid State Communications. ISSN 0038-1098. 152(20), p. 1921–1923. doi: 10.1016/j.ssc.2012.07.010.
  • Polfus, Jonathan Marc; Kazuaki, Toyoura; Oba, Fumiyasu; Tanaka, Isao & Haugsrud, Reidar (2012). Defect chemistry of a BaZrO3 S3 111 grain boundary by first principles calculations and space-charge theory. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 14, p. 12339–12346. doi: 10.1039/c2cp41101f.
  • Erdal, Skjalg; Kalland, Liv-Elisif Queseth; Hancke, Ragnhild; Polfus, Jonathan Marc; Haugsrud, Reidar & Norby, Truls [Show all 7 contributors for this article] (2012). Defect structure and its nomenclature for mixed conducting lanthanum tungstates La28-xW4+xO54+3x/2. International Journal of Hydrogen Energy. ISSN 0360-3199. 37(9), p. 8051–8055. doi: 10.1016/j.ijhydene.2011.11.093.
  • Magraso, Anna; Polfus, Jonathan Marc; Frontera, Carlos; Canales-Vazquez, Jesus; Kalland, Liv-Elisif Queseth & Hervoches, Charles Herve [Show all 11 contributors for this article] (2012). Complete structural model for lanthanum tungstate: a chemically stable high temperature proton conductor by means of intrinsic defects. Journal of Materials Chemistry. ISSN 0959-9428. 22(5), p. 1762–1764. doi: 10.1039/c2jm14981h.

View all works in Cristin

  • Gudmundsdottir, Jonina Björg; Thoreton, Vincent; Vøllestad, Einar & Polfus, Jonathan (2022). Oxygen Exchange Kinetics of BaGd0.3La0.7Co2O6-d Steam Electrodes for Proton Ceramic Electrochemical Cells.
  • Kim, Donghoi; Liu, Zhongxuan; Anantharaman, Rahul; Riboldi, Luca; Odsæter, Lars Hov & Berstad, David Olsson [Show all 10 contributors for this article] (2022). Design of a novel hybrid clean hydrogen production process with membrane assisted CO2 capture through liquefaction.
  • Talic, Belma; Dayaghi, Amir Masoud; Vøllestad, Einar; Stefan, Elena; Sunding, Martin Fleissner & Polfus, Jonathan (2022). Chemical Stability of Proton Conducting BaZr1-xCexO3-Based Electrolytes in Pressurized CO2-Containing Atmospheres.
  • Polfus, Jonathan; Småbråten, Didrik Rene & Liu, Xin (2022). Linking Atomistic and Electrochemical Modelling of Proton Ceramic Electrochemical Cells.
  • Dayaghi, Amir Masoud; Polfus, Jonathan; Strandbakke, Ragnar; Vøllestad, Einar; Haugsrud, Reidar & Norby, Truls (2022). Effects of NiO, ZnO and CuO sintering additives on the hydration of BaZr0.4Ce0.4(Y,Yb)0.2O3-δ proton conducting electrolytes.
  • Liu, Zhongxuan; Kim, Donghoi; Polfus, Jonathan Marc; Peters, Thijs & Anantharaman, Rahul (2020). Membrane-Assisted CO2 capture through liquefaction for clean H2 production.
  • Benthem Muñiz, Marta; Ali, Ayaz; Polfus, Jonathan & Belle, Branson (2019). 2D crystal temperature dependent adhesion in the development of Van der Waals heterostructures .
  • Polfus, Jonathan M.; Yang, Jing & Yildiz, Bilge (2019). Correction: Interplay between H<inf>2</inf>O and CO<inf>2</inf> coadsorption and space-charge on Y-doped BaZrO<inf>3</inf> surfaces(Journal of Materials Chemistry A (2018) 6 (24823-24830) DOI: 10.1039/C8TA09491H). Journal of Materials Chemistry A. ISSN 2050-7488. 7(35), p. 20438–20439. doi: 10.1039/c9ta90210d.
  • Dahl-Hansen, Runar Plunnecke; Akkopru-Akgun, Betul; Vøllestad, Einar; Polfus, Jonathan M.; Denis, L & Coleman, K [Show all 9 contributors for this article] (2019). Degradation of PZT in humid ambient – an electrochemically controlled process.
  • Dahl-Hansen, Runar Plunnecke; Akkopru-Akgun, Betul; Denis, Lyndsey; Coleman, Kathleen; Polfus, Jonathan M. & Vøllestad, Einar [Show all 9 contributors for this article] (2019). PiezoMEMS reliability: why the electrode-material matters in humid ambient.
  • Fleischer, Christian; Bjørheim, Tor Svendsen; Polfus, Jonathan M. & Norby, Truls Eivind (2018). Point Defects in Monolayer MoS2.
  • Li, Zuoan; Xing, Wen; Polfus, Jonathan M.; Denonville, Christelle; Fontaine, Marie-Laure & Bredesen, Rune (2018). Ceramic-based composite membranes for gas separation.
  • Belle, Branson; Xing, Wen; Stange, Marit Synnøve Sæverud; S. Azar, Amin; Sunding, Martin Fleissner & Polfus, Jonathan M. (2018). Scalable MoS2 growth via Mo sputtering and post H2S treatment.
  • Norby, Truls Eivind; Min, Chen; Bondevik, Tarjei & Polfus, Jonathan M. (2018). Space Charge Layers and Their Role for Properties of Interfaces in Solid State Ionics.
  • Fleischer, Christian; Polfus, Jonathan M.; Bjørheim, Tor Svendsen & Norby, Truls Eivind (2018). Defect Chemistry of Few- and Monolayer MoS2.
  • Polfus, Jonathan M. & Malerød-Fjeld, Harald (2018). Protonic Membrane Reforming of Natural Gas to Hydrogen with Carbon Capture.
  • Polfus, Jonathan M.; Yang, Jing; Tuller, Harry; Yildiz, Bilge & Bredesen, Rune (2018). Coadsorption of H2O and CO2 on BaZrO3-based proton-conducting electrolytes.
  • Polfus, Jonathan M.; Yang, Jing; Tuller, Harry; Yildiz, Bilge & Bredesen, Rune (2018). Interplay between H2O/CO2 coadsorption and space-charge on Y-doped BaZrO3 surfaces.
  • Li, Zuoan; Fontaine, Marie-Laure; Xing, Wen; Denonville, Christelle; Polfus, Jonathan M. & Henriksen, Partow Pakdel [Show all 7 contributors for this article] (2017). Novel molten/solid composite oxygen transport membranes for CO2 capture.
  • Li, Zuoan; Fontaine, Marie-Laure; Denonville, Christelle; Xing, Wen; Polfus, Jonathan M. & Henriksen, Partow Pakdel [Show all 7 contributors for this article] (2017). Designing rules for enhancing surface kinetics in functional oxides for clean energy technologies.
  • Chen, Min; Lozano, Helena Téllez; Druce, John; Matsumoto, Hiroshige; Sazinas, Rokas & Polfus, Jonathan M. [Show all 7 contributors for this article] (2017). Surface chemistry of BaZr0.9Y0.1O3-δ and its effect on the electrochemical properties of a Ni/BaZr0.9Y0.1O3-δ interface for proton ceramic electrochemical cells.
  • Pishahang, Mehdi & Polfus, Jonathan M. (2017). Defect Chemistry in Grain Boundaries of Proton Conducting BaCeO3.
  • Li, Zuoan; Fontaine, Marie-Laure; Polfus, Jonathan M.; Denonville, Christelle; Xing, Wen & Henriksen, Partow Pakdel [Show all 7 contributors for this article] (2016). Fabrication and performance of asymmetric tubular H2 membranes based on LWM-LSC composites.
  • Fontaine, Marie-Laure; Xing, Wen; Bredesen, Rune; Denonville, Christelle; Polfus, Jonathan M. & Strandbakke, Ragnar [Show all 10 contributors for this article] (2016). Proton conducting electrolysers with tubular segmented-in-series cells for hydrogen production.
  • Henriksen, Partow Pakdel & Polfus, Jonathan M. (2016). Naturgass kan gi grønt hydrogen. Dagens næringsliv. ISSN 0803-9372.
  • Fontaine, Marie-Laure; Vøllestad, Einar; Polfus, Jonathan M.; Denonville, Christelle; Xing, Wen & Li, Zuoan [Show all 8 contributors for this article] (2016). Proton Conducting Electrolysers with Tubular Segmented-in-series Cells for Hydrogen Production.
  • Foss, Carl Erik Lie; Sunde, Svein; Norby, Truls; Sahoo, Prangya Parimita; Grandcolas, Mathieu & Polfus, Jonathan M. [Show all 7 contributors for this article] (2016). Photofixation of N2 to NH3/NOx .
  • Grandcolas, Mathieu; Sahoo, Prangya Parimita; Foss, Carl Erik Lie; Xing, Wen; Polfus, Jonathan M. & Sunde, Svein [Show all 8 contributors for this article] (2016). Novel photoelectrocatalytic concepts for conversion of nitrogen to fuels and chemicals.
  • Polfus, Jonathan M.; Norby, Truls & Bredesen, Rune (2016). Proton Conduction Across Interfaces in Y-doped BaZrO3 Investigated by First-Principles Calculations.
  • Hasle, Ida Margrete; Haugsrud, Reidar & Polfus, Jonathan M. (2016). Computational Studies of Cation Transport in Barium Zirconate.
  • Tilset, Bente Gilbu; Rørvik, Per Martin; Larring, Yngve; Fontaine, Marie-Laure & Polfus, Jonathan M. (2016). Keramiske membraner for hydrogensamfunnet.
  • Fontaine, Marie-Laure; Denonville, Christelle; Polfus, Jonathan M.; xing, wen; Dahl, Paul Inge & Sunde, Tor Olav Løveng [Show all 7 contributors for this article] (2015). Development of proton conducting electrolyser cells.
  • Sunding, Martin Fleissner; Polfus, Jonathan M.; Zheng, Kun; Svenum, Ingeborg-Helene & Pedersen, Eirik Østbye (2015). Analysing reduced transition metal containing compounds with XPS.
  • Norby, Truls; Haugsrud, Reidar & Polfus, Jonathan M. (2015). Defects and transport in proton conducting BZY.
  • Sahoo, Prangya Parimita; Schrade, Matthias; Grandcolas, Mathieu; Polfus, Jonathan M.; Foss, Carl Erik Lie & Sunde, Svein [Show all 7 contributors for this article] (2015). Photoelectrocatalytic conversion of water, carbon dioxide, and nitrogen to fuels and chemicals.
  • Saeed, Sarmad Waheed; Hancke, Ragnhild & Polfus, Jonathan M. (2015). CO2 capture by hydrogen separation membranes.
  • Polfus, Jonathan M. (2015). First-principles studies of defects and interfaces in perovskite ceramics.
  • Polfus, Jonathan M.; Bjørheim, Tor Svendsen; Pishahang, Mehdi; Norby, Truls & Bredesen, Rune (2015). Influence of space-charge on the surface defect chemistry of BaZrO3.
  • Polfus, Jonathan M.; Li, Zuoan; Sunding, Martin Fleissner; Xing, Wen; Fontaine, Marie-Laure & Henriksen, Partow Pakdel [Show all 7 contributors for this article] (2015). Chemical stability of cercer H2 membranes in the La28-xW4+xO54+3x/2-δ–LaCrO3-δ system.
  • Maso Carcases, Nahum; Polfus, Jonathan M.; Fontaine, Marie-Laure & Norby, Truls (2015). Electrical Properties of Nonstoichiometric BaxZr0.85Y0.15O2.925 Ceramics Prepared by Solid State Reactive Sintering.
  • Norby, Truls & Polfus, Jonathan M. (2015). Space Charge Layers and Their Role in Properties of Interfaces in Solid State Ionics.
  • Norby, Truls & Polfus, Jonathan M. (2015). Grain boundaries in ion conducting ceramics; theory and practice - properties and applications .
  • Maso Carcases, Nahum; Polfus, Jonathan M.; Fontaine, Marie-Laure & Norby, Truls (2014). Electrical properties of undoped and acceptor-Doped (LaO)2SO4 Ceramics.
  • Maso Carcases, Nahum; Polfus, Jonathan M.; Fontaine, Marie-Laure & Norby, Truls (2014). Electrical properties of nonstoichiometric Ba1+xZr0.85Y0.15O2.925 ceramics prepared by solid state reactive sintering.
  • Polfus, Jonathan M.; Xing, Wen; Hanetho, Sidsel Meli; Dahl, Paul Inge; Riktor, Marit Dalseth & Larring, Yngve [Show all 9 contributors for this article] (2014). Enhancing the O2 permeability of CaTi0.85Fe0.15O3-δ based membranes by Mn-doping.
  • Polfus, Jonathan M.; Xing, Wen; Fontaine, Marie-Laure; Henriksen, Partow Pakdel & Bredesen, Rune (2014). Ceramic Composites of Mixed Ionic-Electronic Conductors as Hydrogen Membranes.
  • Polfus, Jonathan M.; Xing, Wen; Fontaine, Marie-Laure; Denonville, Christelle; Henriksen, Partow Pakdel & Bredesen, Rune (2014). Ceramic Composites of Mixed Ionic-Electronic conductors as Hydrogen Membranes.
  • Polfus, Jonathan M.; Fontaine, Marie-Laure; Maso Carcases, Nahum; Magraso, Anna; Pishahang, Mehdi & Norby, Truls [Show all 7 contributors for this article] (2014). SIntering Mechanisms and H2S stability of BaZrO3 ceramics with sintering aids for biogas operated fuel cells.
  • Fontaine, Marie-Laure; Magrasó, Anna; Polfus, Jonathan M.; Norby, Truls; Dahl, Paul Inge & Pishahang, Mehdi [Show all 7 contributors for this article] (2014). Effects of sintering additives on BaZr1-xYxO3-d densification, stability, and proton conductivity.
  • Polfus, Jonathan M. (2013). Improving performance and manufacturability of high temperature hydrogen transport membranes.
  • Fontaine, Marie-Laure; Bredesen, Rune; Dahl, Paul Inge; Denonville, Christelle; Larring, Yngve & Polfus, Jonathan M. [Show all 8 contributors for this article] (2013). Development of thin film supported tubular membranes for high temperature gas separation.
  • Maso Carcases, Nahum; Polfus, Jonathan M.; Fontaine, Marie-Laure; Pishahang, Mehdi; Bredesen, Rune & Norby, Truls (2013). Biogas operated proton ceramic fuel cells with novel S-tolerant functional materials.
  • Polfus, Jonathan M. & Norby, Truls (2013). Biogas operated proton ceramic fuel cells.
  • Belloc, Julien; Polfus, Jonathan M.; Denonville, Christelle; Pishahang, Mehdi; Fontaine, Marie-Laure & Kazi, Saima Sultana [Show all 8 contributors for this article] (2013). BCYZ - BZY Standings.
  • Polfus, Jonathan M.; Pishahang, Mehdi; Fontaine, Marie-Laure; Norby, Truls & Bredesen, Rune (2013). Biogas operated PCFC: Computational and experimental studies of the sulfur tolerance of BaZrO3 and hydration of La2O2S and La2O2SO4.
  • Polfus, Jonathan M.; Fontaine, Marie-Laure; Pishahang, Mehdi; Norby, Truls & Bredesen, Rune (2013). Biogas operated proton ceramic fuel cells with novel S-tolerant functional materials.
  • Gutterød, Emil Sebastian; Haugsrud, Reidar & Polfus, Jonathan M. (2016). An Experimental and Computational Study of Nitrogen Activation on Promoted Ruthenium Catalysts. Universitetet i Oslo.

View all works in Cristin

Published Apr. 20, 2021 4:14 PM - Last modified Apr. 26, 2022 3:33 PM

Projects

Research groups