Cobalt-free SrFe1− xMoxO3-δ perovskite hollow fiber membranes for oxygen separation

OA Bragina, AP Nemudry - Journal of the European Ceramic Society, 2023 - Elsevier
Abstract SrFe 0.95 Mo 0.05 O 3-δ (SFM5) perovskite hollow fiber (HF) membranes with a
finger-like structure were fabricated by a phase inversion technique. The oxygen flux …

Ceramic membranes with mixed conductivity and their application

VL Kozhevnikov, IA Leonidov… - Russian Chemical …, 2013 - iopscience.iop.org
Data on the catalytic reactors with ceramic membranes possessing mixed oxygen ion and
electronic conductivity that make it possible to integrate the processes of oxygen separation …

SrFe12O19 as an impurity in perovskite-type ferrites

IV Shamsutov, OV Merkulov, MV Patrakeev - Materials Letters, 2021 - Elsevier
A decrease of oxygen content in SrFe 12 O 19 and its subsequent decomposition were
studied at 750–950° C by coulometric titration. The lowest oxygen content that strontium …

Effect of B-site tungsten do** on structure and oxygen permeation properties of SrCo0. 8Fe0. 2O3− δ perovskite membranes

EV Artimonova, OA Savinskaya, AP Nemudry - Journal of the European …, 2015 - Elsevier
The effects of partial substitution of cobalt in SrCo 0.8 Fe 0.2 O 3− δ (SCF) by W 6+ cations
on the crystal structure, microstructure and oxygen flux of the new membrane materials are …

Enhanced CO2 Resistance for Robust Oxygen Separation Through Tantalum‐doped Perovskite Membranes

C Zhang, H Tian, D Yang, J Sunarso, J Liu… - …, 2016 - Wiley Online Library
Oxygen selective membranes with enhanced oxygen permeability and CO2 resistance are
highly required in sustainable clean energy generation technologies. Here, we present …

Defect formation, ordering, and transport in SrFe1–x Si x O3–δ (x = 0.05–0.20)

OV Merkulov, EN Naumovich, MV Patrakeev… - Journal of Solid State …, 2018 - Springer
Oxygen nonstoichiometry of perovskite-like SrFe 1–x Si x O 3–δ (x= 0.05–0.20), studied by
thermogravimetric analysis and coulometric titration in the oxygen partial pressure range …

Hydrogen production aided by new (1− x) SrTi0. 5Fe0. 5O3–δ–xCe0. 8 (Sm0. 8Sr0. 2) 0.2 O2–δ (MIEC) composite membranes

A Murashkina, E Pikalova, D Medvedev… - International journal of …, 2014 - Elsevier
In the present work, composite materials of the type (1–x) SrTi 0.5 Fe 0.5 O 3–δ–xCe 0.8 (Sm
0.8 Sr 0.2) 0.2 O 2–δ (with х= 0, 0.25, 0.5, 0.75 and 1) are obtained by the two step solid …

Influence of Mo-do** on structure and oxygen permeation properties of SrCo0. 8− xFe0. 2MoxO3-δ perovskite membranes for oxygen separation

OA Bragina, AP Nemudry - Journal of Membrane Science, 2017 - Elsevier
The effect of cobalt substitution by highly charged Mo 6+ cations in SrCo 0.8 Fe 0.2 O 3-δ
(SCF) on the structure, microstructure, oxygen permeation performance and stability in the …

Mixed ionic-electronic conducting perovskites as nanostructured ferroelastics

IV Belenkaya, OA Bragina, AP Nemudry - Advanced Nanomaterials for …, 2019 - Elsevier
In the present work, we propose to take into account the fact that perovskites with mixed
conductivity, as a rule, belong to the ferroics, namely to ferroelastics, which in turn allows us …

Microstructure and electrical properties of the composites based on SrTi0. 5Fe0. 5O3− δ and Ce0. 8 (Sm0. 8Sr0. 2) 0.2 O2− δ

EY Pikalova, АА Murashkina, DА Medvedev… - Solid State Ionics, 2014 - Elsevier
New composite materials with mixed oxygen ionic and electronic conductivity based on
perovskite SrTi 0.5 Fe 0.5 O 3− δ and fluorite Ce 0.8 (Sm 0.8 Sr 0.2) 0.2 O 2− δ were …