DataVXAdvanced Energy MaterialsPaper
journal article·2025-03Open access

Controlling Grain Boundary Segregation to Tune the Conductivity of Ceramic Proton Conductors (Adv. Energy Mater. 9/2025)

Moritz Kindelmann, Ivan Povstugar, Severin Kuffer, Dylan Jennings, Julian N. Ebert, Moritz L. Weber, M. Pascal Zahler, Sonia Escolastico, Laura Almar, Jose M. Serra, Payam Kaghazchi, Martin Bram, Wolfgang Rheinheimer, Joachim Mayer, Olivier Guillon

Advanced Energy Materials· Volume 15· Issue 9
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Source abstract

Abstract

Ceramic Proton Conductors In article number 2404410, Moritz Kindelmann, Olivier Guillon, and co-workers illustrate how controlled acceptor dopant segregation at grain boundaries in a polycrystalline ceramic proton conductor can boost the transport of mobile species (here protons) from one grain to the other, increasing the performance for electrochemical applications like fuel cells and electrolyzers.
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Research context

Ceramics & glasses

OpenAlex topics: Electron and X-Ray Spectroscopy Techniques · Machine Learning in Materials Science · Advancements in Solid Oxide Fuel Cells

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Affiliations

Ernst Ruska‐Centre for Microscopy and Spectroscopy with Electrons (ER‐C) Forschungszentrum Jülich GmbH 52425 Jülich Germany

Institute of Energy Materials and Devices Materials Synthesis and Processing (IMD‐2) Forschungszentrum Jülich GmbH 52425 Jülich Germany

Institute for Manufacturing Technologies of Ceramic Components and Composites (IFKB) University of Stuttgart 70569 Stuttgart Germany

Peter Gruenberg Institute for Electronic Materials (PGI‐7) Forschungszentrum Jülich GmbH 52425 Jülich Germany

Instituto de Tecnología Química Universitat Politècnica de València – Consejo Superior de Investigaciones Científicas Av. Los Naranjos, s/n Valencia 46022 Spain

MESA+ Institute for Nanotechnology University of Twente P. O. Box 217 Enschede 7500AE The Netherlands

Central Facility for Electron Microscopy (GFE) RWTH Aachen University 52074 Aachen Germany

Jülich Aachen Research Alliance JARA‐Energy 52425 Jülich Germany

References

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