Electrochemical ion insertion from the atomic to the device scale
Electrochemical ion insertion involves coupled ion–electron transfer reactions, transport of
guest species and redox of the host. The hosts are typically anisotropic solids with 2D …
guest species and redox of the host. The hosts are typically anisotropic solids with 2D …
Recommended strategies for quantifying oxygen vacancies with X-ray photoelectron spectroscopy
J Wang, DN Mueller, EJ Crumlin - Journal of the European Ceramic Society, 2024 - Elsevier
Oxygen vacancies play a crucial role in shaping the properties of metal oxides for diverse
applications such as catalysis, ferroelectricity, magnetism, and superconductivity. Although X …
applications such as catalysis, ferroelectricity, magnetism, and superconductivity. Although X …
Defect chemistry in heterogeneous catalysis: recognition, understanding, and utilization
Heterogeneous catalysis plays an important role in modern industry. Exploring catalysts with
high efficiency, low-cost, and high stability is an important issue for the research of …
high efficiency, low-cost, and high stability is an important issue for the research of …
In situ characterization of catalysis and electrocatalysis using APXPS
Taking 50 years of effort, ambient pressure X-ray photoelectron spectroscopy (APXPS) has
become a useful characterization tool for studies in heterogeneous catalysis and …
become a useful characterization tool for studies in heterogeneous catalysis and …
Acidity of surface-infiltrated binary oxides as a sensitive descriptor of oxygen exchange kinetics in mixed conducting oxides
Improving the kinetics of O2 reduction on oxide surfaces is critical in many energy and fuel
conversion technologies. Here we show that the acidity scale for binary oxides is a powerful …
conversion technologies. Here we show that the acidity scale for binary oxides is a powerful …
TiO2-induced electronic change in traditional La0.5Sr0.5MnO3−δ cathode allows high performance of proton-conducting solid oxide fuel cells
Y Li, S Yu, H Dai, Y Xu, L Bi - Science China Materials, 2023 - Springer
Sr-doped LaMnO3, as one of the most successful cathodes for solid oxide fuel cells
(SOFCs), can effectively function at high temperatures. However, its cathode kinetics …
(SOFCs), can effectively function at high temperatures. However, its cathode kinetics …
Defect engineering of ceria nanocrystals for enhanced catalysis via a high-entropy oxide strategy
Introducing transition-metal components to ceria (CeO2) is important to tailor the surface
redox properties for a broad scope of applications. The emergence of high-entropy oxides …
redox properties for a broad scope of applications. The emergence of high-entropy oxides …
In situ techniques reveal the true capabilities of SOFC cathode materials and their sudden degradation due to omnipresent sulfur trace impurities
C Riedl, M Siebenhofer, A Nenning… - Journal of Materials …, 2022 - pubs.rsc.org
In this study, five different mixed conducting cathode materials were grown as dense thin
films by pulsed laser deposition (PLD) and characterized via in situ impedance spectroscopy …
films by pulsed laser deposition (PLD) and characterized via in situ impedance spectroscopy …
Understanding electrochemical switchability of perovskite-type exsolution catalysts
Exsolution of metal nanoparticles from perovskite-type oxides is a very promising approach
to obtain catalysts with superior properties. One particularly interesting property of exsolution …
to obtain catalysts with superior properties. One particularly interesting property of exsolution …
Operando surface studies on metal-oxide interfaces of bimetal and mixed catalysts
The formation of metal-oxide interfaces in catalytic systems exhibits a synergistic
phenomenon between metal and reducible oxides, often referred to as the strong metal …
phenomenon between metal and reducible oxides, often referred to as the strong metal …