Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Riko Moroni"'
Serial section Raman tomography with 10 times higher depth resolution than confocal Raman microscopy
Publikováno v:
Journal of Raman spectroscopy 51(7), 1160-1171 (2020). doi:10.1002/jrs.5878
Confocal Raman microscopy enables 3D imaging of various samples solely based on chemical contrast. However, optical artifacts impair resolution and image quality in subsurface imaging. With serial section Raman tomography, we show that serial ultrath
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dfa6bf287f86327937929f6baa7254c1
https://doi.org/10.1002/jrs.5878
https://doi.org/10.1002/jrs.5878
Autor:
Muhammad Solihul Mu’min, Riko Moroni, Simon Thiele, Severin Vierrath, Thomas Böhm, Matthias Breitwieser, Roland Zengerle
Publikováno v:
Journal of membrane science 585, 126-135 (2019). doi:10.1016/j.memsci.2019.05.032
Water management in electrochemical energy applications like fuel cells has a crucial impact on performance, in particular on the ionic conduction of ionomer membranes. To strengthen the understanding of water management in such devices, we report a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3355c02402686d7a2c7811b8e799ca8b
https://doi.org/10.1016/j.memsci.2019.05.032
https://doi.org/10.1016/j.memsci.2019.05.032
Publikováno v:
Advanced energy materials 10(19), 2000488 (2020). doi:10.1002/aenm.202000488
Tomographic reconstruction has been well established as a valuable tool in the analysis of polymer electrolyte fuel cell (PEMFC) electrodes. While forays have been made into applying it to polymer electrolyte water electrolyzer (PEMWE) electrodes, CO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad66590f2cdb4464dc1376841733c113
https://opus4.kobv.de/opus4-fau/files/15317/AENM_AENM202000488.pdf
https://opus4.kobv.de/opus4-fau/files/15317/AENM_AENM202000488.pdf
Autor:
Riko, Moroni, Simon, Thiele
Publikováno v:
Ultramicroscopy 219, 113090 (2020). doi:10.1016/j.ultramic.2020.113090
Focused ion beam/scanning electron microscopy tomography (FIB/SEM tomography) is the method of choice for the tomographic reconstruction of mesoporous materials systems in various fields such as batteries, fuel cells, filter applications or composite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid_dedup__::1a541f4f9ede09c1a671a0caf890bac2
https://hdl.handle.net/2128/25945
https://hdl.handle.net/2128/25945
Three-dimensional microstructure analysis of a polymer electrolyte membrane water electrolyzer anode
Autor:
Simon Thiele, Riko Moroni, Boris Bensmann, Richard Hanke-Rauschenbach, Friedemann Hegge, Patrick Trinke, Severin Vierrath
Publikováno v:
Journal of Power Sources. 393:62-66
The anode catalyst layer of a PEM water electrolyzer is reconstructed using a combination of FIB-SEM tomography and ionomer modeling. The pore space is infiltrated with silicone, enabling good discrimination between pores and IrRuOx catalyst material
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fcadb296a77e297cc303848efcc9a205
https://doi.org/10.1016/j.jpowsour.2018.04.089
https://doi.org/10.1016/j.jpowsour.2018.04.089
Autor:
John Banhart, Simon Thiele, Roland Zengerle, Riko Moroni, Henning Markötter, Lukas Zielke, Fu Sun, André Hilger, Kang Dong, Ingo Manke, Dong Zhou
Publikováno v:
ACS Energy Letters. 2:94-104
Knowledge about degradation and failure of Li ion batteries LIBs is of paramount importance, especially because failure can be accompanied by severe hazards. To contribute to the understanding of such phenomena, synchrotron in line phase contrast X r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03457e675166ba5352717db7c549b75b
https://doi.org/10.1021/acsenergylett.6b00589
https://doi.org/10.1021/acsenergylett.6b00589
Autor:
Roland Zengerle, Friedemann Hegge, Matthias Breitwieser, Simon Thiele, Jonathan Sharman, Severin Vierrath, Riko Moroni
Publikováno v:
Journal of The Electrochemical Society
Journal of the Electrochemical Society 166(13), F956-F962 (2019). doi:10.1149/2.0611913jes
Journal of the Electrochemical Society 166(13), F956-F962 (2019). doi:10.1149/2.0611913jes
Corrosion of the carbon support leads to a severe decay in the performance of PEM fuel cells, mainly due to an increase in the oxygen transport resistance. To investigate the effect of degradation on oxygen transport, we cycled MEAs between 1−1.5 V
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3d9e3a2495373bd0345f52fe4254c21
https://opus4.kobv.de/opus4-fau/files/18207/jes_166_13_F956.pdf
https://opus4.kobv.de/opus4-fau/files/18207/jes_166_13_F956.pdf
Publikováno v:
Journal of the Electrochemical Society 166(7), F3044-F3051 (2019). doi:10.1149/2.0051907jes
Ionomer membranes are crucial components of many electrochemical devices. In this work, confocal Raman microscopy is employed to characterize Nafion ionomers quantitatively in pristine status and after usage as a proton exchange membrane in a fuel ce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e82527a0ff2b0bab07d424430e0cdd9
https://opus4.kobv.de/opus4-fau/files/18211/jes_166_7_F3044.pdf
https://opus4.kobv.de/opus4-fau/files/18211/jes_166_7_F3044.pdf
Autor:
Matthias Breitwieser, Simon Thiele, Michael Schulz, Jonathan Schock, Roland Zengerle, Riko Moroni, Franz Pfeiffer, B. Schillinger
Publikováno v:
International Journal of Hydrogen Energy. 41:11412-11417
Polymer electrolyte membrane fuel cells (PEMFCs) fabricated by direct membrane deposition (DMD) were shown to work even at dry conditions without significant deterioration of the membrane resistance. Here, in situ neutron radiography is used to inves
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d797504ff52880fcd2be5e96c9070aad
https://doi.org/10.1016/j.ijhydene.2016.05.018
https://doi.org/10.1016/j.ijhydene.2016.05.018
Publikováno v:
RSC Advances. 6:80700-80705
Interfaces between the different layers in proton exchange membrane fuel cells are expected to influence transport properties and therefore cell performance. So far the interface between micro porous layer (MPL) and catalyst layer (CL) has been diffi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c345d3709014dd5c21b62b472423edbe
https://doi.org/10.1039/c6ra16560e
https://doi.org/10.1039/c6ra16560e