Materials for the Hydrogen Economy (2009) Part 11 ppsx

... is needed for practical fuel cell applications. 5024.indb 284 11/ 18/07 5:55:06 PM 282 Materials for the Hydrogen Economy range (a critical requirement for automotive applications) and, for DMFC ... found on the membranes’ mechanical proper- ties and durability under the long-term automobile load cycling. 5024.indb 283 11/ 18/07 5:55:05 PM 286 Materials for the Hy...

Ngày tải lên: 12/08/2014, 03:20

... from the base to the top of the gasier, with the hot ash at the base of the gasier preheating incoming steam and O 2 gases. The countercurrent gas ow of the syngas at the top of the gasier ... separating the steam reforming and cata - lytic partial oxidation reactions. In autothermal reforming, a catalyst controls the relative extent of the partial oxidation...

Ngày tải lên: 12/08/2014, 03:20

... 150 11/ 18/07 5:52:09 PM 126 Materials for the Hydrogen Economy 5.2.1 OxyGen-tOlerant hydrOGenaSe SyStemS The development of an O 2 -tolerant hydrogenase (by either mutagenesis of existing hydrogenases ... would then carry light into the reactor and disperse it evenly throughout the bioreactor volume. Such a 5024.indb 130 11/ 18/07 5:51:46 PM 136 Materials for the...

Ngày tải lên: 12/08/2014, 03:20

... in hydrogen gas vessels and pipe- lines can be employed for similar applications in the hydrogen energy infrastructure. • • • 5024.indb 164 11/ 18/07 5:52:35 PM 160 Materials for the Hydrogen Economy of ... 11] Extrapolated form high T tests Beta-SiC ~1 × 10 –20 [10] Extrapolated 5024.indb 184 11/ 18/07 5:53:03 PM 178 Materials for the Hydrogen Economy 17. Hi...

Ngày tải lên: 12/08/2014, 03:20

... reported with these alternative additives or catalysts, the overall performance of the sodium alanate materials has not been 5024.indb 198 11/ 18/07 5:53:19 PM 194 Materials for the Hydrogen Economy where ... molecular hydrogen. Their work employs a combination of rst-principles theoretical modeling, thermodynamic 5024.indb 199 11/ 18/07 5:53:19 PM 196 Materials for...

Ngày tải lên: 12/08/2014, 03:20

... 5:44:12 PM 5024.indb 10 11/ 18/07 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 ... 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 x...

Ngày tải lên: 13/08/2014, 16:21

... 5024.indb 15 11/ 18/07 5:44:14 PM xiv Materials for the Hydrogen Economy Materials issues surround the kinetics of the electrode processes and durability of the interconnect materials in the high-temperature, ... alcohols. The carbon source is natural gas, which is preheated before entry in the gasier. Gasication 5024.indb 21 11/ 18/07 5:44:38 PM 16 Materials...

Ngày tải lên: 14/03/2014, 16:20