A high-performance, durable and low-cost proton exchange membrane electrolyser with stainless steel components
Stiber, S, Sata, N, Morawietz, T, Ansar, S. A, Jahnke, T, Lee, J. K, Bazylak, A, Fallisch, A, Gago, A. S, Friedrich, K. A
Published in Energy & environmental science (19.01.2022)
Published in Energy & environmental science (19.01.2022)
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Journal Article
Highly active nano-sized iridium catalysts: synthesis and operando spectroscopy in a proton exchange membrane electrolyzer
Lettenmeier, P, Majchel, J, Wang, L, Saveleva, V A, Zafeiratos, S, Savinova, E R, Gallet, J-J, Bournel, F, Gago, A S, Friedrich, K A
Published in Chemical science (Cambridge) (2018)
Published in Chemical science (Cambridge) (2018)
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Journal Article
Modified Nafion®-based membranes for use in direct methanol fuel cells
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Journal Article
Conference Proceeding
Influence of Water and Temperature on Ionomer in Catalytic Layers and Membranes of Fuel Cells and Electrolyzers Evaluated by AFM
Morawietz, T., Handl, M., Oldani, C., Friedrich, K. A., Hiesgen, R.
Published in Fuel cells (Weinheim an der Bergstrasse, Germany) (01.06.2018)
Published in Fuel cells (Weinheim an der Bergstrasse, Germany) (01.06.2018)
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Journal Article
Combined electrochemical and surface analysis investigation of degradation processes in polymer electrolyte membrane fuel cells
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Journal Article
Conference Proceeding
Investigation of electrode composition of polymer fuel cells by electrochemical impedance spectroscopy
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Journal Article
Conference Proceeding
The influence of CO on the current density distribution of high temperature polymer electrolyte membrane fuel cells
Boaventura, M., Sander, H., Friedrich, K.A., Mendes, A.
Published in Electrochimica acta (30.10.2011)
Published in Electrochimica acta (30.10.2011)
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Journal Article
Poisoning of PtRu/C catalysts in the anode of a direct methanol fuel cell: a DEMS study
Seiler, T., Savinova, E.R., Friedrich, K.A., Stimming, U.
Published in Electrochimica acta (15.09.2004)
Published in Electrochimica acta (15.09.2004)
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Journal Article
Conference Proceeding
High-resolution imaging of ion conductivity of Nafion ® membranes with electrochemical atomic force microscopy
Hiesgen, R., Aleksandrova, E., Meichsner, G., Wehl, I., Roduner, E., Friedrich, K.A.
Published in Electrochimica acta (30.12.2009)
Published in Electrochimica acta (30.12.2009)
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Journal Article
Conference Proceeding
SOFC characteristics along the flow path
Metzger, P., Friedrich, K.-A., Müller-Steinhagen, H., Schiller, G.
Published in Solid state ionics (15.10.2006)
Published in Solid state ionics (15.10.2006)
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Journal Article
Comprehensive investigation of novel pore-graded gas diffusion layers for high-performance and cost-effective proton exchange membrane electrolyzers
Lettenmeier, P., Kolb, S., Sata, N., Fallisch, A., Zielke, L., Thiele, S., Gago, A. S., Friedrich, K. A.
Published in Energy & environmental science (01.01.2017)
Published in Energy & environmental science (01.01.2017)
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Journal Article
Performance and methanol permeation of direct methanol fuel cells: dependence on operating conditions and on electrode structure
Gogel, V, Frey, T, Yongsheng, Zhu, Friedrich, K.A, Jörissen, L, Garche, J
Published in Journal of power sources (10.03.2004)
Published in Journal of power sources (10.03.2004)
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Journal Article
Conference Proceeding
In Situ X-Ray Diffraction and Stress Analysis of Solid Oxide Fuel Cells
Wolf, S., Cañas, N. A., Friedrich, K. A.
Published in Fuel cells (Weinheim an der Bergstrasse, Germany) (01.06.2013)
Published in Fuel cells (Weinheim an der Bergstrasse, Germany) (01.06.2013)
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Journal Article
Coated Stainless Steel Bipolar Plates for Proton Exchange Membrane Electrolyzers
Lettenmeier, P., Wang, R., Abouatallah, R., Burggraf, F., Gago, A. S., Friedrich, K. A.
Published in Journal of the Electrochemical Society (01.01.2016)
Published in Journal of the Electrochemical Society (01.01.2016)
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Journal Article
Low-Cost and Durable Bipolar Plates for Proton Exchange Membrane Electrolyzers
Lettenmeier, P, Wang, R, Abouatallah, R, Saruhan, B, Freitag, O, Gazdzicki, P, Morawietz, T, Hiesgen, R, Gago, A S, Friedrich, K A
Published in Scientific reports (15.03.2017)
Published in Scientific reports (15.03.2017)
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Journal Article