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Open AccessArticle

Fuel Cell Electrode Characterization Using Neutron Scattering

1
Forschungszentrum Jülich, Jülich Centre for Neutron Science (JCNS) at MLZ, 85747 Garching, Germany
2
Forschungszentrum Jülich, Institute of Energy and Climate Research, IEK-14: Electrochemical Process Engineering, 52425 Jülich, Germany
3
Faculty of Mechanical Engineering, RWTH Aachen University, 52062 Aachen, Germany
4
Ibaraki University, D302 IQBRC 162-1, Shirakata, Tokai-mura, Naka-gun, Ibaraki 305-8577, Japan
*
Author to whom correspondence should be addressed.
Materials 2020, 13(6), 1474; https://doi.org/10.3390/ma13061474
Received: 13 February 2020 / Revised: 13 March 2020 / Accepted: 19 March 2020 / Published: 24 March 2020
(This article belongs to the Special Issue Soft and Nanostructured Materials for Energy Conversion)
Electrochemical energy conversion and storage is key for the use of regenerative energies at large scale. A thorough understanding of the individual components, such as the ion conducting membrane and the electrode layers, can be obtained with scattering techniques on atomic to molecular length scales. The largely heterogeneous electrode layers of High-Temperature Polymer Electrolyte Fuel Cells are studied in this work with small- and wide-angle neutron scattering at the same time with the iMATERIA diffractometer at the spallation neutron source at J-PARC, opening a view on structural properties on atomic to mesoscopic length scales. Recent results on the proton mobility from the same samples measured with backscattering spectroscopy are put into relation with the structural findings. View Full-Text
Keywords: SANS; WANS; HT-PEFC; electrode layer SANS; WANS; HT-PEFC; electrode layer
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MDPI and ACS Style

Holderer, O.; Carmo, M.; Shviro, M.; Lehnert, W.; Noda, Y.; Koizumi, S.; Appavou, M.-S.; Appel, M.; Frielinghaus, H. Fuel Cell Electrode Characterization Using Neutron Scattering. Materials 2020, 13, 1474.

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