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 …

Mixed protonic–electronic conducting (MPEC) ceramic membranes with high H2
permeability and stability are significant for practical H2 separation. CO2‐tolerant lanthanum …

This book proposes a wide overview of the research and development of proton-conducting
solid oxide materials. It is the first to approach the topic on proton-conducting ceramics and …

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 …

Tungstates Ln 6 WO 12 are proton conducting crystalline materials which show significant
mixed protonic and electronic conductivity and stability in moist CO 2 environments. These …

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 …

Molybdenum substituted lanthanum tungstate, La28–y (W1–x Mo x) 4+ y O54+ δ (x= 0–1, y=
0.923), was investigated seeking for an enhancement of the n-type electronic conductivity for …

Abstract La5. 5WO11. 25− δ is a proton‐conducting oxide that shows high protonic
conductivity, sufficient electronic conductivity, and stability in moist CO2 environments …

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 …