Preparation of hollow YSZ fibre by electrochemical vapour deposition

Mineshinge, Atsushi; Inaba, Masaaki; Ogumi, Zempachi; Takahashi, Torizo; Kawagoe, Tomoo; Tasaka, Akimasa; Kikuchi, Kenji

doi:10.1016/0167-2738(96)00296-2

Cited by 11 publications

(8 citation statements)

References 11 publications

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“…A typical tubular SOFC fabricated by the electrochemical vapor deposition (EVD) method has a diameter of ca. 15 mm 7,8 . To further increase the surface‐to‐volume ratio of the solid electrolyte, the diameter of the unit cell should be much smaller than that currently used.…”

Section: Introductionmentioning

confidence: 99%

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Yttria Stabilized Zirconia Hollow Fiber Membranes

Liu

Tan

Liu³

2006

Journal of the American Ceramic Society

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Yttria-stabilized zirconia (YSZ) hollow fiber membranes have been developed by a combined phase inversion and sintering method. An organic binder solution (dope) containing suspended YSZ particles is spun to form a hollow fiber precursor, which is then sintered at elevated temperatures. The prepared hollow fibers have the asymmetric structure including the sponge-like structures at center, sandwiched by the long finger-like structures located at the outer and inner walls of the fibers. Experimental results indicate that by controlling the YSZ/polymer weight ratio at 9 or 10 and sintered at a temperature of 15901C or 15501C for 10 h, respectively, gas-tight asymmetric YSZ hollow fiber membranes with high mechanical strength can be obtained. J ournal

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Section: Introductionmentioning

confidence: 99%

“…In addition, the thermal stress of the devices can be reduced by the use of smaller‐diameter‐electrolyte cells, which improves durability. YSZ hollow fibers were initially reported by Mineshinge et al 7,8 . using a chemical vapor deposition (CVD)–EVD process.…”

Section: Introductionmentioning

confidence: 99%

Yttria Stabilized Zirconia Hollow Fiber Membranes

Liu

Tan

Liu³

2006

Journal of the American Ceramic Society

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“…3,4 In addition, zirconia or yttriastabilized zirconia hollow nanotubes or fibers have been successfully achieved using different templates, e.g., nanocarbon 5 and nickel oxide. 6 By using the layer-by-layer method, R,ω-diorganophosphonate/zirconia nanotubes were prepared within the pores of alumina template membranes. 7 However, the dimensions of these fibers are at the nanometer scale.…”

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confidence: 99%

“…Silica, alumina, titania, zirconia, and their composite hollow fibers (actually nanotubes) have been prepared using various methods. − Compared to the other ceramic metal oxides, zirconia possesses much better alkali resistance, is practically insoluble within a wide pH range, and shows outstanding resistance to dissolution at high temperature . Due to these favorable properties, it has wide applications in catalysis, optoelectronics, energy conversion, etc.…”

mentioning

confidence: 99%

“…Zirconia or zirconia composite fibers with different characteristics have been successfully prepared. Among them, cellulose and its derivatives have been applied as substrates to obtain zirconia composite fibers. , In addition, zirconia or yttria-stabilized zirconia hollow nanotubes or fibers have been successfully achieved using different templates, e.g., nanocarbon 5 and nickel oxide . By using the layer-by-layer method, α,ω-diorganophosphonate/zirconia nanotubes were prepared within the pores of alumina template membranes .…”

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confidence: 99%

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Zirconia Hollow Fiber: Preparation, Characterization, and Microextraction Application

Lee

2007

Anal. Chem.

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A zirconia hollow fiber membrane in the macrorange was for the first time successfully synthesized via a template method coupled with a sol-gel process. A polypropylene hollow fiber was employed as the template. The preparation procedure includes repeated impregnation of the template in the proper zirconia sol precursor, and calcination to burn off the template, producing the zirconia hollow fiber. The resulting hollow fiber membrane is almost identical to its template in terms of morphology, exhibiting a hollow core structure. In addition to that, it has a bimodal porous substructure that is different from its template, narrowly distributed nanoskeleton pores, and uniform textural pores or throughpores. The wall thickness and substructures can be conveniently controlled by the synthetic conditions and postheat treatment. Moreover, the thus-prepared zirconia hollow fiber was applied for the microextraction and concentration of a nerve agent degradation product followed by liquid chromatography-mass spectrometric analysis. Since the zirconia fiber exists as an individual device and is directly usable for extracting, handling is more convenient than, for example, an adsorbent in powder form that needs to be coated on a rod for the extraction process. In addition, it is easily prepared and is superior to the monolithic material in this sense. Pinacolyl methylphosphonic acid, one degradation product of organophosphorus nerve agent (soman), was used as the model analyte. Zirconia hollow fiber was demonstrated to be a highly selective adsorbent for the phosphonic acid-containing compounds with high sensitivity. Limit of detection was as low as 0.07 ng/mL (0.39 nM).

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Electrolyte Materials for IT-SOFCs

Shao

Tadé

2016

Green Chemistry and Sustainable Technology

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Preparation of hollow YSZ fibre by electrochemical vapour deposition

Cited by 11 publications

References 11 publications

Yttria Stabilized Zirconia Hollow Fiber Membranes

Yttria Stabilized Zirconia Hollow Fiber Membranes

Zirconia Hollow Fiber: Preparation, Characterization, and Microextraction Application

Electrolyte Materials for IT-SOFCs

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