Hengge, K. A.; Scheu, C.: Stability of a novel Pt/Ru catalyst for polymer electrolyte membrane fuel cells. 64. Metallkunde-Kolloquium, Lech am Arlberg, Austria (2018)

Hengge, K. A.; Scheu, C.: Novel electrodes for polymer based fuel cells. The 18th Israel Materials Engineering Conference (IMEC18), Dead Sea, Israel (2018)

Hengge, K.: TEM Tomography: Insights into the degradation of Pt/Ru fuel cell catalysts. 3D materials characterization at all length scales and its application to iron and steel, MPIE Düsseldorf, Düsseldorf, Germany (2017)

Hengge, K.; Heinzl, C.; Perchthaler, M.; Scheu, C.: Insights into degradation processes in WO_3-x based anodes of HT-PEMFCs via electron microscopic techniques. Fuel Cells Science and Technology 2016 , Glasgow, Scotland, UK (2016)

Hengge, K.; Heinzl, C.; Perchthaler, M.; Welsch, M. T.; Scheu, C.: Template-free synthesized high surface area 3D networks of Pt on WO_3-x – a promising alternative for H₂ oxidation in fuel cell application. 2016 MRS Fall Meeting, Boston, MA, USA (2016)

Hengge, K.; Heinzl, C.; Perchthaler, M.; Scheu, C.: Electron microscopic insights into degradation processes in high temperature polymer electrolyte membrane fuel cells. Scandem 2015, Jyväskylä, Finland (2015)

Lim, J.; Sahu, R.; Schweinar, K.; Kasiri, G.; Hengge, K. A.; Raabe, D.; La Mantia, F.: Phase Transformation of Copper Hexacyanoferrate Cathode in Aqueous Zn-Ion Battery. 2019 MRS Fall Meeting , Boston, MA, USA (2019)

Gänsler, T.; Hengge, K. A.; Scheu, C.: 3D Reconstruction of Identical Location Electron Micrographs – Methodology and Pitfalls. IAMNano 2019, International Workshop on Advanced and In-situ Microscopies of Functional Nanomaterials and Devices, Düsseldorf, Germany (2019)

Lim, J.; Um, J. H.; Hengge, K. A.; Yoon, W.-S.; Lee, J.-K.; Sung, Y.-E.; Scheu, C.: Insights in pore-interconnected hollow (Sn,Ti)O₂ nanoparticle networks for lithium-ion battery anodes. Microscopy Conference MC2019 , Berlin, Germany (2019)

Gänsler, T.; Hengge, K. A.; Beetz, M.; Pizzutilo, E.; Scheu, C.: Tracking the Degradation of Fuel Cell Catalyst Particles: 3D Reconstruction of Nanoscale Transmission Electron Micrographs. CINEMAX IV, "Best poster Award at the Summer School", Toreby, Denmark (2018)

Gänsler, T.; Hengge, K.; Kasian, O.; Li, T.; Zhang, S.; Dehm, G.; Gault, B.; Mayrhofer, K. J. J.; Scheu, C.: Microstructure characterization on electrodes and catalysts. Chinese-German Chemical Association (CGCA) 30th Annual Conference, Berlin, Germany (2018)

Hengge, K.; Heinzl, C.; Gänsler, T.; Perchthaler, M.; Beetz, M.; Varley, D.; Mayrhofer, K. J. J.; Scheu, C.: C_s corrected STEM analysis – operation related nanoscale degradation processes in high-temperature polymer-electrolyte-membrane fuel cells. Microscopy Conference 2017 (MC 2017), Lausanne, France (2017)

Hengge, K.; Heinzl, C.; Perchthaler, M.; Welsche, M.; Scheu, C.: Material optimization for high-temperature polymer-electrolyte-membrane fuel cells. Material optimization for high-temperature polymer-electrolyte-membrane fuel cells, Duisburg, Germany (2016)

Hengge, K.; Heinzl, C.; Perchthaler, M.; Welsch, M. T.; Scheu, C.: Growth of novel Pt 3D networks on WO_3-x electrodes and their effect on the performance of fuel cells. EMC 2016, 16th European Microscopy Congress, Lyon, France (2016)

Hengge, K.; Heinzl, C.; Perchthaler, M.; Scheu, C.: Electron microscopy studies of WO3-x based anodes for high temperature polymer electrolyte membrane fuel cells. IAM Nano 2015, Hamburg, Germany (2015)

Hengge, K.; Heinzl, C.; Perchthaler, M.; Scheu, C.: Degradation analysis of high temperature polymer electrolyte membrane fuel cells via electron microscopic techniques. TEM-UCA European Summer Workshop, Cadiz, Spain (2015)

Hengge, K.: Investigation of alternative catalyst and support materials and their effect on degradation in high-temperature polymer-electrolyte-membrane fuel cells. Dissertation, RWTH Aachen University, Aachen, Germany (2017)