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

Protonic ceramic cells (PCCs), including protonic ceramic fuel cells (PCFCs) and electrolysis
cells (PCECs), are attracting increasing attention owing to several advantages such as their …

Mixed electronic-and protonic-conducting composites made up of physical mixtures of La5.
5WO11. 25− δ–La0. 87Sr0. 13CrO3− δ (LWO–LSC) have been evaluated as H2 separation …

Hydrogen permeation membranes are a key element in improving the energy conversion
efficiency and decreasing the greenhouse gas emissions from energy generation. The …

Nd5. 5WO11. 25− δ is a mixed proton–electron conducting oxide, which shows an important
mixed conductivity and stability in moist CO2 environments. However, the H2 fluxes …

Oxygen transport (including oxygen mobility and surface reactivity) is one of the important
factors governing electrochemical activity of solid oxide fuel cells electrodes as well as …

We have studied the structure and proton conductivity of rhombohedral La 6− x MoO 12− δ
(x= 0.5, 0.6, 0.7, 1) lanthanum molybdates prepared via mechanical activation of lanthanum …

Some compositions of ceramic hydrogen permeable membranes are promising for
integration in high temperature processes such as steam methane reforming due to their …

Abstract La 5.4 WO 12− δ (LaWO) is a promising membrane candidate for a variety of H 2-
related applications due to its appreciable levels of mixed proton–electron conduction and …

Oxygen and hydrogen mobility are among the important characteristics for the operation of
solid oxide fuel cells, permselective membranes and many other electrochemical devices …