H. Kytömaa, A. Wechsung, G. Dimitrakopoulos, N. Cook, D. Jaimes, I. Hur, S. Faraji. Industry R&D needs in hydrogen safety. Applications in Energy and Combustion Science 18 (2024) 100271.
A. Wechsung, M. Barry, G. Dimitrakopoulos, R. Spray, F. Colella, T.J. Myers, Lithium-Ion Battery Fire Investigation Fundamentals, International Symposium on Fire Investigation Science & Technology, Orlando, FL 2024.
S. Koohfar, M. Ghasemi, T. Hafen, G. Dimitrakopoulos, D. Kim, J. Pike, S. Elangovan, E.D.Gomez, B. Yildiz. Improvement of oxygen reduction activity and stability on a perovskite oxide surface by electrochemical potential. Nature Communications (2023) 14:7203.
F. Orsini, D. Ferrero, S.F. Cannone, M. Santarelli, A. Felli, M. Boaro, C. Leitenburg, A. Trovarelli, J. Llorca, G. Dimitrakopoulos, A.F. Ghoniem. Exsolution-enhanced reverse water-gas shift chemical looping activity of Sr2FeMo0.6Ni0.4O6-δ double perovskite. Chemical Engineering Journal 475 (2023) 146083.
H.G. Seo, A. Staerz, G. Dimitrakopoulos, D. Kim, B. Yildiz, H.L. Tuller, Degradation and recovery of solid oxide fuel cell performance by control of cathode surface acidity: Case study — Impact of Cr followed by Ca infiltration. Journal of Power Sources 558 (2023) 232589.
M. Laqdiem, A.J. Carrillo, G. Dimitrakopoulos, M. Balaguer, J. Garcia-Fayos, A.F. Ghoniem, J.M. Serra, Impact of lattice properties on the CO2 splitting kinetics of lanthanide-doped cerium oxides for chemical looping syngas production. Solid State Ionics 394 (2023) 116192.
F. Grajkowski, S. Chandra, G. Dimitrakopoulos, D. Kim, B. Yildiz, Exploring Stable and Selective Anode Materials for the Electrochemical Oxidative Coupling of Methane (EOCM): A Case Study of Doped Titanates. ECS Transactions, 111 (6) 2259-2270 (2023).
D. Kim, G. Dimitrakopoulos, B. Yildiz. Controlling the Size of Au Nanoparticles on Reducible Oxides with the Electrochemical Potential. Journal of the American Chemical Society 2022, 144, 48, 21926 — 21938.
W. Fan, B. Wang, R. Gao, G. Dimitrakopoulos, J. Wang, X. Xiao, L. Ma, K. Wu, B. Yildiz, J. Li. Anodic Shock-Triggered Exsolution of Metal Nanoparticles from Perovskite Oxide. Journal of the American Chemical Society 2022, 144, 17, 7657 — 7666.
G. Dimitrakopoulos, B. Koo, B. Yildiz, A.F. Ghoniem. Highly Durable C2 Hydrocarbon Production via the Oxidative Coupling of Methane Using a BaFe0.9Zr0.1O3-δ Mixed Ionic and Electronic Conducting Membrane and La2O3 Catalyst. ACS Catalysis 2021, 11, 3638 — 3661.
J. Wang, J. Yang, A. Opitz, W. Bowman, R. Bliem, G. Dimitrakopoulos, A. Nenning, I. Waluyo, A. Hunt, J.-J. Gallet, B. Yildiz. Tuning Point Defects by Elastic Strain Modulates Nanoparticle Exsolution on Perovskite Oxides. Chemistry of Materials 2021, 33, 5021 — 5034.
G. Dimitrakopoulos, A.F. Ghoniem, B. Yildiz. In Situ Catalyst Exsolution on Perovskite Oxides for the Production of CO and Synthesis Gas in Ceramic Membrane Reactors. Sustainable Energy & Fuels 3 (2019) 2347 — 2355.
R.C. Schucker, G. Dimitrakopoulos, K. Derrickson, K.K. Kopeć, F. Alahmadi, J.R. Johnson, L. Shao, A.F. Ghoniem. Oxidative Dehydrogenation of Ethane to Ethylene in an Oxygen-Ion-Transport-Membrane Reactor: A Proposed Design for Process Intensification. Industrial & Engineering Chemistry Research 58 (19) (2019) 7989 — 7997.
A.F. Ghoniem, Z. Zhao, G. Dimitrakopoulos. Combustion Technologies for Low Carbon Energy: Fundamentals, Modeling and Reactors. Proceedings of the Combustion Institute 37 (2019) 33 — 56.
G. Dimitrakopoulos, R.C. Schucker, K. Derrickson, J.R. Johnson, K.K. Kopeć, L. Shao, F. Alahmadi, A.F. Ghoniem. Hydrogen and Ethylene Production Through Water-Splitting and Ethane Dehydrogenation Using BaFe0.9Zr0.1O3-δ Mixed-Conductors. ECS Transactions 80 (9) (2017) 181 — 190.
G. Dimitrakopoulos, A.F. Ghoniem. Developing a Multistep Surface Reaction Mechanism to Model the Impact of H2 and CO on the Performance and Defect Chemistry of La0.9Ca0.1FeO3-δ Mixed-Conductors. Journal of Membrane Science 529 (2017) 114 — 132.
G. Dimitrakopoulos, A.F. Ghoniem. Role of Gas-Phase and Surface Chemistry in Methane Reforming Using a La0.9Ca0.1FeO3-δ Oxygen Transport Membrane. Proceedings of the Combustion Institute 36 (2017) 4347 — 4354.
G. Dimitrakopoulos, A.F. Ghoniem. A Two-Step Surface Exchange Mechanism and Detailed Defect Transport to Model Oxygen Permeation Through the La0.9Ca0.1FeO3-δ Mixed-Conductor. Journal of Membrane Science 510 (2016) 209 — 219.
A. Hunt, G. Dimitrakopoulos, A.F. Ghoniem. Surface Oxygen Vacancy and Oxygen Permeation Flux Limits of Perovskite Ion Transport Membranes. Journal of Membrane Science 489 (2015) 248 — 257.
A. Hunt, G. Dimitrakopoulos, P. Kirchen, A.F. Ghoniem. Measuring the Oxygen Profile and Permeation Flux Across an Ion Transport La0.9Ca0.1FeO3-δ Membrane and the Development and Validation of a Multistep Surface Exchange Model. Journal of Membrane Science 468 (2014) 62 — 72.
I.S. Kavvadias, E.M. Papoutsis-Kiachagias, G. Dimitrakopoulos, K.C. Giannakoglou. The Continuous Adjoint Approach to the k-ω SST Turbulence Model with Applications in Shape Optimization. Engineering Optimization 47(11) (2014) 1523 — 1542.
Conference presentations:
H. Kytomaa, A. Wechsung, G. Dimitrakopoulos, Reducing Risk: Safety and Efficiency Considerations for Electrolyzer Integration, Masterclass Presentation, World Electrolysis North America 2024, September 2024.
A. Wechsung, G. Dimitrakopoulos, K. Hashad, T. Myers, Are Power-to-Heat Technologies Ready to Transition Your Facility?, 2024 AIChE Spring Meeting, New Orleans, 2024
D. Kim, G. Dimitrakopoulos, B. Yildiz. Controlling the Size of Au Nanoparticles on Reducible Oxides with Electrochemical Potential. 23rd International Conference on Solid State Ionics, Boston, MA, USA, July 2022.
B. Yildiz, G. Dimitrakopoulos, J. Wang, W. Fan, V. Kyriakou, A.F. Ghoniem, J. Li. Controlling the Size and Dispersion of Exsolved Catalyst Particles By Electrochemistry and By Strain. Invited talk, 237th ECS Meeting, Montreal, Canada, May 2020.
V. Kyriakou, G. Dimitrakopoulos, J. Wang, D. Neagu, M.N. Tsampas, B. Yildiz. In-Situ Exsolution of Metal Nanoparticles in Solid Oxide Cells for Efficient Syngas Generation from Steam and Carbon Dioxide. Invited talk, 237th ECS Meeting, Montreal, Canada, May 2020.
G. Dimitrakopoulos, J. Wang, R. Rothman, B. Yildiz. Comparison Between Thermochemical and Electrochemical Exsolution of Catalysts from Perovskite Oxides for Efficient Hydrogen Production Through Steam Electrolysis. Materials Research Society Conference, Boston, MA, USA, December 2019.
Y. Chen, X. Wu, G. Dimitrakopoulos, A.F. Ghoniem. Fabrication of Novel Janus Membrane for High Temperature Oxygen Separation and Water Thermochemical Reduction. Materials Research Society Conference, Boston, MA, USA, December 2019.
G. Dimitrakopoulos, A.F. Ghoniem, B. Yildiz. In situ Exsolution of Nickel Catalyst on Perovskite Oxides for the Production of CO and Synthesis Gas in Ceramic Membrane Reactors. 22nd International Conference on Solid State Ionics, PyeongChang, Korea, June 2019.
J. Wang, A. Opitz, R. Bliem, W. Bowman, X. Yao, A. Nenning, G. Dimitrakopoulos, I. Waluyo, A. Hunt, J.-J. Gallet, B. Yildiz. Uncovering Biaxial Strain Effect on Nanoparticle Exsolution for Thin-Film Perovskites. Bulletin of the American Physical Society, Boston, MA, USA, March 2019.
G. Dimitrakopoulos, A.F. Ghoniem, B. Yildiz. In-situ Exsolution of Nickel Nanoparticles for Efficient Carbon Dioxide Splitting and Methane Conversion to Syngas in Ceramic Membrane Reactors. Materials Research Society Conference, Boston, MA, USA, December 2018.
G. Dimitrakopoulos, A.F. Ghoniem, B. Yildiz. Catalyst Exsolution in Carbon Dioxide Splitting and Methane Conversion to Syngas Using Ceramic Membrane Reactors. Gordon Research Conference on Solid State Studies in Ceramics, Mount Holyoke College, South Hadley, MA, USA, August 2018.
G. Dimitrakopoulos, Z. Zhao, A.F. Ghoniem. Combustion Technologies for Low Carbon Energy: Fundamentals, Modeling and Reactors. Plenary lecture, 37th International Symposium on Combustion, Dublin, Ireland, August 2018.
G. Dimitrakopoulos, A.F. Ghoniem. Methane Partial Oxidation and Dry Reforming to Syngas Using the La0.9Ca0.1FeO3-δ Mixed-Conductor. 2017 AIChE Annual Meeting, Minneapolis, MN, USA, November 2017.
G. Dimitrakopoulos, R.C. Schucker, J.R. Johnson, K.K. Kopec, L. Shao, F. Alahmadi, K. Derrickson, A.F. Ghoniem. Hydrogen and Ethylene Production Through Water-Splitting and Ethane Dehydrogenation Using BaFe0.9Zr0.1O3-δ Mixed-Conductors. 232nd ECS Meeting, National Harbor, MD, USA, October 2017.
G. Dimitrakopoulos, Z. Zhao, M. Uddi, N. Tsvetkov, B. Yildiz, A.F. Ghoniem. Enhanced Intermediate-Temperature CO2 Splitting Using Nonstoichiometric Ceria and Ceria-Zirconia. 232nd ECS Meeting, National Harbor, MD, USA, October 2017.
G. Dimitrakopoulos, A.F. Ghoniem. Methane Partial Oxidation/Dry Reforming Using Nickel Catalyzed La0.9Ca0.1FeO3-δ Oxygen Transport Membranes. Invited talk, 13th International Conference on Catalysis in Membrane Reactors, Houston, TX, USA, July 2017.
G. Dimitrakopoulos, X. Wu, A.F. Ghoniem. Enhancing Syngas Production During Methane Reforming Using a La0.9Ca0.1FeO3-δ Ion Transport Membrane. Materials Research Society Conference, Boston, MA, USA, December 2016.
G. Dimitrakopoulos, A.F. Ghoniem. Role of Gas-Phase and Surface Chemistry in Methane Reforming Using a La0.9Ca0.1FeO3-δ Oxygen Transport Membrane. 36th International Symposium on Combustion, Seoul, Korea, August 2016.
G. Dimitrakopoulos, A.F. Ghoniem. Detailed Surface Kinetics and Charged Species Diffusion to Model the Impact of H2 and CO Oxidation on Oxygen Permeation Through La0.9Ca0.1FeO3-δ Mixed-Conductors. The 14th International Conference on Inorganic Membranes, Atlanta, GA, USA, July 2016.
Invited Seminars:
G. Dimitrakopoulos, A.F. Ghoniem, B. Yildiz. Improving the Production of Valuable Chemicals Using Ceramic Oxides Optimized Based on Advanced Catalysis Methods and Detailed Computational Models. Air Liquide - Paris Innovation Campus, Paris, France, January 2020.
G. Dimitrakopoulos, A.F. Ghoniem, B. Yildiz. The Concept of Catalyst Exsolution for Efficient Catalysis of Methane Partial Oxidation to Syngas and Carbon Dioxide Splitting to Carbon Monoxide. DuPont Research Center, Marlborough, MA, USA, December 2018.
G. Dimitrakopoulos, A.F. Ghoniem. Experimental Study and Modeling Analysis of Perovskites for Methane Partial Oxidation and Oxyfuel Combustion. Robert Borsch Research Center, Cambridge, MA, USA, November 2017.
G. Dimitrakopoulos, A.F. Ghoniem. Materials, Reactors and Systems for the Production of Hydrogen, Syngas and Chemicals. SABIC, Sugar Land, TX, USA, July 2017.
G. Dimitrakopoulos, A.F. Ghoniem. A Multistep Surface Exchange Mechanism and Detailed Defect Transport to Model Oxygen Permeation Through La0.9Ca0.1FeO3-δ Perovskites. Schlumberger Research Center, Cambridge, MA, USA, March 2016.
G. Dimitrakopoulos, A.F. Ghoniem. Modeling the Interaction of Gas Phase Chemistry with Surface Reactions on Ion Transport Membranes for Oxyfuel Combustion. Comsol Inc., Burlington, MA, USA, January 2015.
G. Dimitrakopoulos, A.F. Ghoniem. Carbon Capture Using Ion Transport Membranes and Oxyfuel Combustion Techniques. Exxon Mobil Upstream Research Company, Houston, TX, USA, June 2014.
Webinars:
H. Kytomaa, D. Anderson, A. Wechsung, G. Dimitrakopoulos, The Hydrogen Ecosystem: Risks & Opportunities, Exponent Webinar, September 12, 2024.