Nonergodicity transitions in colloidal suspensions with attractive interactions

J Bergenholtz, M Fuchs - Physical Review E, 1999 - APS
Colloidal gel and glass transitions are investigated using the idealized mode coupling
theory (MCT) for model systems characterized by short-range attractive interactions. Results …

[HTML][HTML] Identifiability of the mechanisms governing the reaction kinetics of MIEC electrodes in solid oxide cells

L Yasin, A Atkinson, SJ Cooper, A Bertei - Electrochimica Acta, 2023 - Elsevier
The oxygen reduction reaction (ORR) is the main phenomenon occurring in mixed ionic and
electronic conductors (MIECs) used as air electrodes in solid oxide cells. Their optimisation …

Boosting the Performance of La0.8Sr0.2MnO3‐δ Electrodes by The Incorporation of Nanocomposite Active Layers

J Zamudio‐García, L Caizán‐Juanarena… - Advanced Materials …, 2022 - Wiley Online Library
The use of active layers is a promising strategy to improve the properties of air electrodes for
solid oxide fuel cells (SOFCs). In this work, La0. 8Sr0. 2MnO3‐δ is combined with different …

Reactive mechanisms of LSCF single-phase and LSCF-CGO composite electrodes operated in anodic and cathodic polarisations

J Laurencin, M Hubert, K Couturier, T Le Bihan… - Electrochimica …, 2015 - Elsevier
An in-house model for a MIEC or MIEC-CGO composite has been built in order to analyse
the electrode operating mechanisms in anodic and cathodic polarisations (SOEC and SOFC …

Understanding the electrochemical behaviour of LSM-based SOFC cathodes. Part I—Experimental and electrochemical

MP Carpanese, D Clematis, A Bertei, A Giuliano… - Solid State Ionics, 2017 - Elsevier
The enhancement of electroactivity and stability of solid oxide fuel cell (SOFC) cathodes is
an open issue for the scientific community. Only a careful experimental approach, coupled …

Faster Diffusion of Oxygen Along Dislocations in (La,Sr)MnO3+δ Is a Space‐Charge Phenomenon

JM Börgers, J Kler, K Ran, E Larenz… - Advanced Functional …, 2021 - Wiley Online Library
In displaying accelerated oxygen diffusion along extended defects,(La, Sr) MnO3+ δ is an
atypical acceptor‐doped perovskite‐type oxide. In this study, 18O/16O diffusion experiments …

The relevance of different oxygen reduction pathways of La0. 8Sr0. 2MnO3 (LSM) thin film model electrodes

TM Huber, M Kubicek, AK Opitz… - Journal of The …, 2014 - iopscience.iop.org
Sr-doped lanthanum manganite (LSM) is a widely used cathode material in solid oxide fuel
cells (SOFC). Despite being a poor ion conductor, LSM electrodes can reduce oxygen via …

A detailed kinetic model for the reduction of oxygen on LSCF-GDC composite cathodes

A Donazzi, G Cordaro, A Baricci, ZB Ding, M Maestri - Electrochimica Acta, 2020 - Elsevier
A kinetic investigation of the Oxygen Reduction Reaction (ORR) is performed on LSCF-GDC
composite cathodes (La 0.4 Sr 0.6 Co 0.2 Fe 0.8 O 3-δ/Ce 0.9 Gd 0.1 O 2-δ 50/50) spanning …

Understanding the electrochemical behaviour of LSM-based SOFC cathodes. Part II-Mechanistic modelling and physically-based interpretation

A Bertei, MP Carpanese, D Clematis, A Barbucci… - Solid State Ionics, 2017 - Elsevier
This study presents a physically-based model for the impedance simulation of the oxygen
reduction reaction in porous strontium-doped lanthanum manganite (LSM) cathodes. The …