Synthesis of Ca0.8Sr0.2Ti0.7Fe0.3O3−δ thin film membranes and its application to the partial oxidation of methane

Araki, Sadao; Yamamoto, Hideki; Hoshi, Yasushi; Lü, Jinfeng; Hakuta, Yukiya; Hayashi, Hiromichi; Ohashi, Tomotsugu; Sato, Koichi; Nishioka, Michi; Inoue, Tomoya; Hikazudani, Susumu; Hamakawa, Satoshi

doi:10.1016/j.ssi.2012.06.001

Cited by 13 publications

(9 citation statements)

References 19 publications

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Section: Electronics Information and Communication Technologymentioning

confidence: 99%

“…Other structures, which may be of interest as dielectrics (or potentially as cathodes in solid oxide fuel cells), include partially substituted perovskite oxides similar to Ca 0.8 Sr 0.2 Ti 0.9 Fe 0.1 O 3– x . − Samples were formed using a residence time of less than 10 s to give an average particle size of 20 nm and BET specific surface area of ca. 71 m 2 g –1 . This is a very high surface area for such a perovskite material and certainly puts CHFS-technology at the forefront of processes to make high surface area versions of such materials directly in process.…”

Section: Electronics Information and Communication Technologymentioning

confidence: 99%

“…The former could be a new focus for CHFS. For example, Ca 0.8 Sr 0.2 Ti 0.9 Fe 0.1 O 3−δ was synthesized directly via CHFS; the material was of interest as a support for nickel catalysts in the partial oxidation of methane . These types of doped perovskite materials usually require a high temperature synthesis to be made phase-pure (in excess of 850 °C), which usually results in low surface areas (typically ca.…”

Section: Catalysis Applicationsmentioning

confidence: 99%

“…At lower Fe contents, it was possible to manufacture phase-pure CTO under subcritical conditions; otherwise supercritical conditions were required in the flow system. In 2012, Hasyahi et al then used similar perovskite materials to make asymmetric membranes to produce synthesis gas from methane . The 20 μm thick membranes were made using Ca 0.8 Sr 0.2 Ti 1– x Fe x O 3−δ (CTO) perovskite powders (with Ni being supported on it).…”

Section: Devices (Energy Harvesting/conversion/fuels)mentioning

confidence: 99%

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Continuous Hydrothermal Synthesis of Inorganic Nanoparticles: Applications and Future Directions

et al. 2017

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Nanomaterials are at the leading edge of the emerging field of nanotechnology. Their unique and tunable size-dependent properties (in the range 1-100 nm) make these materials indispensable in many modern technological applications. In this Review, we summarize the state-of-art in the manufacture and applications of inorganic nanoparticles made using continuous hydrothermal flow synthesis (CHFS) processes. First, we introduce ideal requirements of any flow process for nanoceramics production, outline different approaches to CHFS, and introduce the pertinent properties of supercritical water and issues around mixing in flow, to generate nanoparticles. This Review then gives comprehensive coverage of the current application space for CHFS-made nanomaterials including optical, healthcare, electronics (including sensors, information, and communication technologies), catalysis, devices (including energy harvesting/conversion/fuels), and energy storage applications. Thereafter, topics of precursor chemistry and products, as well as materials or structures, are discussed (surface-functionalized hybrids, nanocomposites, nanograined coatings and monoliths, and metal-organic frameworks). Later, this Review focuses on some of the key apparatus innovations in the field, such as in situ flow/rapid heating systems (to investigate kinetics and mechanisms), approaches to high throughput flow syntheses (for nanomaterials discovery), as well as recent developments in scale-up of hydrothermal flow processes. Finally, this Review covers environmental considerations, future directions and capabilities, along with the conclusions and outlook.

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Section: Electronics Information and Communication Technologymentioning

confidence: 99%

Section: Electronics Information and Communication Technologymentioning

confidence: 99%

Section: Catalysis Applicationsmentioning

confidence: 99%

Section: Devices (Energy Harvesting/conversion/fuels)mentioning

confidence: 99%

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Continuous Hydrothermal Synthesis of Inorganic Nanoparticles: Applications and Future Directions

et al. 2017

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“…Thin perovskites MIEC membrane have been deposited on porous substrates using different techniques, e.g. dry pressing [36][37][38][39][40][41][42][43][44] , dip coating [45][46][47][48] , screen printing 49,50 , spray pyrolisis 51 , slip casting 52 , tape casting 20,53-56 and others [57][58][59][60][61][62][63] . Table 1 lists some of these studies including membrane and support fabrication method, material used for both components, as well as their thickness, pore-forming agent and pore size of the support and oxygen permeation fluxes in different operating conditions.…”

Section: Supported Miec Membranesmentioning

confidence: 99%

Current developments of mixed conducting membranes on porous substrates

et al. 2013

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The fabrication of mixed ionic-electronic conducting (MIEC) ceramic-based membranes for oxygen separation has extensively increased in the last three decades as a promising alternative of clean energy delivery. In recent years, the interest on supported MIEC membranes has increased due to their attractive properties such as higher mechanical strength and oxygen flux compared to selfsupported membranes. This work presents a literature review on the development of supported MIEC membranes of perovskite structure. The concepts and transport mechanism of those membranes are explained and recent works on supported MIEC membranes are presented. Finally, manufacturing methods of self-supported membranes and their influence on oxygen permeation are discussed.

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Catalytic Reactors with Membrane Separation

Gallucci

Zúñiga

2015

Perovskites and Related Mixed Oxides

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Synthesis of Ca0.8Sr0.2Ti0.7Fe0.3O3−δ thin film membranes and its application to the partial oxidation of methane

Cited by 13 publications

References 19 publications

Continuous Hydrothermal Synthesis of Inorganic Nanoparticles: Applications and Future Directions

Continuous Hydrothermal Synthesis of Inorganic Nanoparticles: Applications and Future Directions

Current developments of mixed conducting membranes on porous substrates

Catalytic Reactors with Membrane Separation

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