The primary objective of this review was to illustrate the significance of ceria–zirconia (CZ)
mixed oxides as catalysts and catalyst supports as employed for a wide variety of catalytic …

This paper provides a comprehensive overview of developments and recent trends in H 2
separation technology that uses dense proton–electron conducting ceramic materials and …

Hydrogen, one of the most promising energy carriers for the future, is currently produced
mainly by natural gas reforming or coal gasification, where mixtures containing H2, CO2 and …

Hydrogen share in the energy market has increased significantly in line with greater demand
for zero emission fuel and the development of novel production routes via renewable …

Metal-nickel membrane exhibits good H 2 separation performance and inherent catalytic
activity, making it a promising candidate as a membrane reactor in the simultaneous …

Proton-conducting ceramic membranes show high hydrogen ion conductivity in the
temperature range of 300–700° C. They are attracting significant attention due to their …

Using oxygen permeable membranes (OPMs) to upgrade low‐purity hydrogen is a
promising concept for high‐purity H2 production. At high temperatures, water dissociates …

Proton conducting oxides have promising potential for the application in the solid-state
electrochemical devices and have received significant progress in recent years. At present …

Abstract The acceptor-doped BaCeO 3–BaZrO 3 solid solution shows a good compromise
between conductivity and chemical stability. Y and/or Yb doped BaCeO 3–BaZrO 3 solid …

La 2 Ce 2 O 7 is known to be a disordered fluorite, ie, 50% La-doped CeO 2, exhibiting
oxide ion conduction with contributions from protons in wet atmospheres and minority …