Hollow strontium ferrite (SrFe 12 O 19: SrM) nanofibers have been successfully synthesized by coaxial electrospinning with the advantages of low material density and high microwave absorption performance. SrM precursors were used for coaxial electrospinning and annealing at different temperatures (600 °C, 650 °C, 700 °C, and …
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Yu et al. 22 study the effect of CaO addition on the redox performance of a strontium ferrite (SrFeO 3−δ ) nanocomposite in chemical looping dry reforming of methane, in which CaO is found to ...
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During the last couple of decades, strontium ferrite (SrFe 12 O 19) has attracted intense research interest since it was first discovered in 1950s. 1–3 SrFe 12 O 19 presents a broad range of significant functionalities, such as excellent magnetic properties, superior chemical stability and outstanding magnetocrystalline anisotropy, which make …
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Sr segregation is one of the key issues affecting the performance and durability of lanthanum strontium cobalt ferrite electrode (LSCF) for solid oxide cells (SOCs). In this study, we investigated the Sr segregation behavior in LSCF under compression with purpose of simulating the operating condition of LSCF electrode in an …
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The type FD 8/24 is an anisotropic stron-tium ferrite with coercitive force of 105 kA/m. The type FD 30/26 is a anisotro-pic strontium ferrite with coercitive force 131 kA/m and the type D380 is a vibrated calcinate with coercitive force 137 kA/m. These compounds were …
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Width-controlled M-type hexagonal strontium ferrite (SrFe 12 O 19) nanoribbons with high saturation magnetization and superior coercivity synthesized by electrospinning. Sci. Rep 5, 15089 (2015).
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Subsequently, the M-type strontium ferrite (SrFe12O19) nanofibers were derived from calcination of these precursors at 750–1,000 °C.The composite precursors and strontium ferrite nanofibers ...
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The recording performance of a new prototype magnetic tape based on perpendicularly oriented strontium ferrite particles is investigated using a 29 nm wide tunn. 317 Gb/in 2 Recording Areal Density on Strontium Ferrite Tape Abstract: The recording performance of a new prototype magnetic tape based on perpendicularly oriented strontium ferrite ...
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A comprehensive review on lanthanum strontium cobalt ferrite (LSCF) perovskite of solid oxide fuel cells. • LSCF-based electrodes are the most important and representative cathode materials of SOFCs. • The relationship between performance, intrinsic and extrinsic factors for LSCF is presented. •
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Chemical looping dry reforming of methane is an attractive approach to use carbon dioxide and methane, the two most abundant greenhouse gases. For this scheme, the redox material (or oxygen carrier) plays a key role. It is of great significance to improve the redox performance of strontium ferrite (SrFeO3−δ, SFO), a low-cost and easily …
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Several methods have been used to prepare strontium ferrite such as solid-state synthesis, physical vapour deposition, ball milling, sol-gel and chemical coprecipitation 7,12,13,14,15,16,17.In ...
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Strontium-Ferrite Ching-Chien Huang 1,*, Chin-Chieh Mo 1,2, Guan-Ming Chen 3, ... some performance indexes of strontium ferrite can be optimized to a certain level. However, compared with its ...
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Simultaneous improvement of coercivity and saturation magnetization of M-type strontium ferrite by Nd 3+-Co 2+ unequal co-substitution. Author links open overlay panel Xiang Yu a b ... This material is expected to be a promising candidate for high …
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Lanthanum Strontium Cobalt Ferrite Oxide for Solid Oxide Fuel Cells Cathodes Muhammed Ali S.A. 1*, Andanastuti Muchtar 2, Jarot Rah arjo 3, Deni Shidqi
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Hexagonal magneto-plumbite-type strontium ferrite (SrFe 12 O 19) has material characteristics, such as a stable crystal structure, high coercivity and magnetic energy product, and magnetic anisotropy …
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Strontium ferrite (SrFe 12 O 19) has attractive features including low production costs, good temperature stability, fine corrosion resistance, ... The M–H curves and magnetic performance of the Sr-ferrite/NdFeB mixed powders and hybrid magnets are shown in Fig. 6 and Tables II and III. The magnetic hysteresis was measured with the …
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The bulk structure, surface characteristics, catalytic properties, button cell performance, and stability of perovskite-type oxides with the formula Sr1−xCexCo0.2Fe0.8O3−δ (x = 0.10, 0.15, and 0.20) were investigated as potential anode electro-catalysts for solid oxide fuel cells. In situ X-ray diffraction results indicated that …
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Jing, P. et al. Width-controlled M-type hexagonal strontium ferrite (SrFe 12 O 19) nanoribbons with high saturation magnetization and superior coercivity synthesized by electrospinning. Sci. Rep ...
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Fig. 4 shows the performance of the BCZY-based cells with LSF, LPSF and PSF cathodes. It can be seen that the fuel cell performance of the LSF, LPSF and PSF cell reaches 356, 616 and 570 mW cm −2 at 700 °C, respectively. The values of the LPSF cell is clearly higher than the values of the LSF cell, but the LPSF cell is only slightly better …
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As a cobalt-free electrocatalyst for ORR, lanthanum strontium ferrite (LSF) materials have been investigated due to its good electrochemical performance and the similar thermal expansion coefficients to the electrolytes in SOFC [2], [3]. However, comparing with the cobalt based perovskite cathode, LSF exhibits relatively low …
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The bulk structure, surface characteristics, catalytic properties, button cell performance, and stability of perovskite-type oxides with the formula Sr1−xCexCo0.2Fe0.8O3−δ (x = 0.10, 0.15 ...
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A permanent magnet is characterized by its maximum energy product, which is closely related to the coercivity and remanence. In M-type ferrites, the effect of element substitution to improve magnetic performance has been extensively studied, with particular emphasis on La–Co co-substitution to AM (La–Co AM) [[3], [4], [5]].Ferrite magnets with …
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@article{Deka2019HydrogenPF, title={Hydrogen Production from Water in a Solid Oxide Electrolysis Cell: Effect of Ni Doping on Lanthanum Strontium Ferrite Perovskite Cathodes}, author={Dhruba J. Deka and Seval Gunduz and Jaesung Kim and Taylor Fitzgerald and Yingjie Shi and Anne C. Co and Umit S. Ozkan}, journal={Industrial & …
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Description; Title: Effect of Ball Milling on the Magnetic Performance of Strontium Ferrite (SrFe 12 O 19) Powders Authors: Oluwasola K. Arigbabowo, Mehadi Hassan, Azin Asadollahnejad, Md Shafikul Islam, Holt Price, Wilhelmus J Geerts, Jitendra Tate Abstract: The primary advantage of the high energy ball milling (HEBM) process is its ability to …
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Hwang, T.-Y. et al. Synthesis and magnetic properties of La 3+ –Co 2+ substituted strontium ferrite particles using modified spray pyrolysis–calcination method. Ceram. Int. 43, 3879–3884.
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Synthesis, performance, and mechanisms of strontium ferrite-incorporated zeolite imidazole framework (ZIF-8) for the simultaneous removal of Pb(II) and tetracycline. ... The adsorption performance variation depending on contact time is a key factor in …
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2. Materials and methods. Zn 2+-Zr 4+ co-substituted SrM were prepared by sol gel auto combustion technique by 1:1 metal nitrate to citric ratio (Fuel/chelating agent/reducing agent). Citric acid and nitrate salts of Strontium, Zinc, Zirconium and Iron …
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Anisotropic characteristics and improved magnetic performance of Ca–La–Co-substituted strontium hexaferrite nanomagnets
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The YSZ and Ni–YSZ materials can also be employed in SOECs, exhibiting good electrochemical performance and stability [6], [7]. The perovskite material LSM (lanthanum strontium manganite) used as an oxygen electrode is subject to delamination from the electrolyte, causing performance degradation and cell failure in SOECs [8], [9], …
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The magnetic performance of the ball-milled strontium ferrite powders shows a good combination of appreciable increment in the S-values (a ratio of the remanence to saturation magnetization) and a considerable decline in coercivity (<10% …
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The practical application of SOECs requires electrode materials that possess high performance and stability. Traditionally, La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3-δ (LSCF) perovskite material is extensively used as the air electrode for SOECs. However, several degradation phenomena of LSCF electrodes such as Sr surface segregation [10], …
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Semantic Scholar extracted view of "Evaluating the effect of Pr-doping on the performance of strontium-doped lanthanum ferrite cathodes for protonic SOFCs" by Jinming Ma et al. ... @article{Ma2020EvaluatingTE, title={Evaluating the effect of Pr-doping on the performance of strontium-doped lanthanum ferrite cathodes for protonic SOFCs}, …
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Request PDF | Electrochemical Performance of Barium Strontium Cobalt Ferrite -Samarium Doped Ceria- Argentum for Low Temperature Solid Oxide Fuel Cell | A low operating temperature is one of the ...
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Combination of adsorption and photocatalytic degradation is an effective strategy for rapid elimination of organic pollutants from contaminated water. Herein, in order to improve the dispersion of catalyst, increase the reactive sites and facilitate the recovery of catalyst, a magnetic silver phosphate/strontium ferrite/graphene oxide (ASG) ternary …
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Ferrite magnets are widely used permanent magnetic materials due to their cost-effectiveness and have continued to hold their own against newer alternatives like NdFeB and SmCo. 1–4 Particularly …
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Cobalt oxide is usually used as a dopant to improve the catalytic activity of Mn and Fe based perovskites such as lanthanum strontium ferrite (LSF) for solid oxide fuel cells. This work presents the catalytic improvement by decorating LSF surface with cobalt oxide, Co 3 O 4, using infiltration technique.X-ray diffraction and high resolution …
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The state-of-the-art cathode material are based on strontium doped lanthanum cobalt ferrite, La 1−x Sr x Co 1−y Fe y O 3−δ (LSCF), owing to the outstanding mixed electronic and oxygen ionic conductivities, and excellent thermal expansion match with electrolyte materials in the intermediate-temperature range [6], [7]. One of the most ...
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The oxygen reduction reaction (ORR) on lanthanum strontium cobalt ferrite (LSCF) catalyst is critical for intermediate temperature solid oxide fuel cells (SOFCs). The reaction rate can be effectively improved by addition various nanoparticles including electrocatalysts such as Pd, Ag and mixed electronic-ionic conductors and electrolytes …
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In this study, strontium ferrite (SF)-incorporated zeolite imidazole framework (ZIF-8) (SFZIF-8) that can simultaneously uptake Pb(II) and tetracycline (TC) in solution was synthesized and characterized. The physicochemical properties of the as-prepared SFZIF-8 were characterized by various functional groups, higher average pore diameter (3.414 …
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Simultaneous improvement of coercivity and saturation magnetization of M-type strontium ferrite by Nd 3+-Co 2+ unequal co-substitution. Author links open overlay panel Xiang Yu a b ... This material is expected to be a promising candidate for high-performance ferrite permanent magnets, and this ion substitution strategy is expected …
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