High-temperature proton-conducting materials constitute a unique class of oxide materials,
which are able to exhibit protonic conductivity under hydrogen-containing atmospheres …

This review paper focuses on the phenomenon of thermochemical expansion of two specific
categories of conducting ceramics: Proton Conducting Ceramics (PCC) and Mixed Ionic …

Many energy-related materials rely on the uptake and release of large quantities of ions, for
example, Li+ in batteries, H+ in hydrogen storage materials, and O2− in solid-oxide fuel cell …

In the last decade, the field of oxide-ion and proton conductors continued to trigger a
significant amount of basic research aimed at improving the properties and the …

Solid oxide proton conductors are crucially emerging as key materials for enabling hydrogen-
based energy conversion, storage, and electrochemical technologies. Oxides crystallising in …

The present review focuses on characteristics of lanthanum tungstate in the compositional
region 25–30 mol% La2O3 in the La2O3–WO3 phase diagram. These tungstates represent …

The literature concerning protonic ceramic devices is critically reviewed focusing the
reader's attention on the structure, composition, and phenomena taking place at solid–solid …

Abstract Tetragonal perovskite phase Ce 0.9 Ca 0.1 AlO 2.95+ x was obtained for the first
time. Such phase, containing cerium in the oxidation state of 3+, can be promising anode …

In this work, La6–x MoO12− δ (0≤ x≤ 0.8) materials are investigated as a new family of
ceramic proton conductors. Different polymorphic phases with rhombohedral and cubic …

Mixed proton–electron conductors (MPEC) can be used as gas separation membranes to
extract hydrogen from a gas stream, for example, in a power plant. From the different MPEC …