Materials for the Hydrogen Economy (2007) Episode 3 pdf

... Design 62 3. 2.1 Series-Connected Tubes 63 3.2.2 Tubular Stack Design 65 3. 2 .3 Planar Stack Design 65 3. 3 Modes of Operation 66 3. 4 Alternative Materials for High-Temperature Electrolysis 69 3. 5 Advanced ... Res., 33 , 33 3 35 9 (20 03) . 99. Kobayashi, T. et al., Study on current efciency of steam electrolysis using a partial protonic conductor SrZr 0.9 Yb 0.1 O 3- δ ,...

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... limit. FIGURE 3. 7 Performance stability of an electrolysis stack. 5024.indb 69 11/18/07 5:45 :32 PM 76 Materials for the Hydrogen Economy the scale, disrupting the scale formation. In contrast to the fuel ... 5:45:55 PM 74 Materials for the Hydrogen Economy 3. 5.2 hybrid SOFC–SeOC StaCkS As mentioned earlier, the SOFC mode of operation is exothermic while the...

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... 31 1 13. 2 Fuel Injectors 31 1 13. 2.1 Injector Body 31 2 13. 2.2 Actuator Materials 31 3 13. 3 Hydrogen Effects on Internal Engine Components 31 4 13. 3.1 Decarburization Effects 31 4 13. 3.2 Hydrogen Embrittlement ... H has the potential to alter the performance of ferroelectric ceramics, and therefore 5024.indb 31 3 11/18/07 5:55 :30 PM 31 6 Materials for the...

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... 5:44:11 PM xvi Materials for the Hydrogen Economy Co–polypyrrole–carbon. However, none of these have matched the catalytic perfor- mance of Pt. The electrolyte membrane presents critical materials ... engineer in the Bellevue ofce, work- ing in mechanics and materials practice; and GT-Engineering from May 2006 to the present. 5024.indb 23 11/18/07 5:44:18 PM xii Mate...

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... (wt%) Brick Type A B C a Cr 2 O 3 90 .3 87 .3 81.0 Al 2 O 3 7.0 2.5 0.4 MgO 0.28 0.12 17.0 ZrO 2 0.01 5.2 NA SiO 2 0 .3 0.2 0.1 Fe +2 and +3 0. 23 0.28 0 .3 CaO 0.28 0. 03 0 .3 a Data from manufacturer’s ... dry-bottom gasier. 5024.indb 10 11/18/07 5:44 :30 PM 6 Materials for the Hydrogen Economy Fe 2 O 3 + 3 H 2 → 2 Fe + 3 H 2 O Iron produced by the direct r...

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... 1465–14 73, 2004. 5024.indb 120 11/18/07 5:51 :36 PM 106 Materials for the Hydrogen Economy denser iodine-rich lower phase that forms in the separator (see section 4 .3. 3.1). Mate- rials candidates for ... Naon-117® performance using an HI/water/I 2 feed at 125ºC. 5024.indb 1 13 11/18/07 5:51:11 PM 110 Materials for the Hydrogen Economy TABLE 4 .18 Materials Opti...

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... 20 03, p. 45. With permission.) 5024.indb 131 11/18/07 5:51:49 PM 136 Materials for the Hydrogen Economy ment facility for comparison, many smaller treatment plants operate unattended. In other ... (mol%). ANL-3d membranes contain the same hydro- gen transport metal as ANL-3b membranes, but they have an Al 2 O 3 matrix rather than the BaTiO 3 matrix of ANL-3b membranes...

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... and hydrogen permeation. 5024.indb 1 83 11/18/07 5: 53: 02 PM 160 Materials for the Hydrogen Economy of heating in the austenite phase eld, rapidly cooling (quenching) to form martens- ite, then ... 11/18/07 5:52 :36 PM 166 Materials for the Hydrogen Economy The data in gure 7.1 through gure 7 .3 indicate that steel vessels and pipelines in hydrogen economy...

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... Alloys Comp., 33 0 /33 2, 696, 2002. 22. Gross, K.J., Sandrock, G., and Thomas, G., J. Alloys Comp., 33 0 /33 2, 691, 2002. 23. Thomas, G.J., Gross, K., and Sandrock, G., J. Alloys Comp., 33 0, 2002. ... between the host and dopant cation radii. The ionic radius for Zr 4+ is 0.84 Å when the coordination number is 8; it is 0.87 Å for Sc 3+ and 1.109 for Y 3+ . 11 ,...

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... formation on the air–air sample, on the hydrogen side of the air hydrogen sample, or on the hydrogen hydrogen sample. The oxidation behavior on the hydrogen side of the air hydrogen sample ... conductor and Ni-based materials, Journal of Solid State Chemistry, 2006, 179, 133 9– 134 4. 5024.indb 224 11/18/07 5: 53: 50 PM 232 Materials for the Hydrogen Eco...

Ngày tải lên: 13/08/2014, 16:21