C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/48 (2006.01) C01G 25/00 (2006.01) C01G 49/00 (2006.01) C01G 51/00 (2006.01) C01G 53/00 (2006.01) C01G 55/00 (2006.01) C04B 38/00 (2006.01) H01M 4/86 (2006.01) H01M 8/12 (2006.01)
Patent
CA 2384751
The invention discloses methods of producing thermally stable mesoporous transition metal oxide compositions by aqueous co-assembly of glycometallates and metal complexes with a surfactant template, without the necessity of the use of stabilizers. Mesoporous (nickel/platinum)-yttria-zirconia materials are also disclosed for use as electrode materials in solid oxide fuel cells. These materials display the highest surface area of any form of (metal)-yttria- stabilized-zirconia, thereby providing significant improvement in the efficiency of solid oxide fuel cells.
L'invention concerne des procédés de production de substances d'oxydes métalliques mésoporeux thermostables, par co-assemblage dans un milieu aqueux, de glycométallates et de complexes métalliques avec une matrice tensioactive, sans qu'il soit nécessaire d'utiliser des stabilisants. Des matières du type (nickel-platine)-yttriums-zirconiums mésoporeux à utiliser en tant que matières d'électrode dans des piles à combustible oxyde solide sont également décrites. Ces matières présentent la superficie la plus importante, quelle que soit leur forme (métal)-yttriums-zirconiums stabilisés, ce qui permet l'amélioration sensible de l'efficacité de piles à combustible oxyde solide.
Coombs Neil
Mamak Marc
Ozin Geoffrey A.
Exxonmobil Research And Engineering Company
Kirby Eades Gale Baker
LandOfFree
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