H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/18 (2006.01) B01J 7/00 (2006.01) B01J 12/00 (2006.01) B01J 19/00 (2006.01) B01J 19/24 (2006.01) C01B 3/38 (2006.01) C10J 3/00 (2006.01) F28D 7/00 (2006.01) F28D 21/00 (2006.01) H01M 8/06 (2006.01)
Patent
CA 2328862
A fuel gas reformer assemblage for use in a fuel cell power plant is formed from a composite plate assembly which includes spaced-apart divider plates (22, 24, 26) with interposed columns of individual fuel gas (12) and burner gas (14) passages. The fuel gas passages (12) are provided with walls which are wash coated with a catalyzed alumina complex (28). The catalyst complex (28) includes a nickel catalyst and a cerium and/or lanthanum oxide component which stabilizes the alumina against recrystalization in the catalyst complex. The catalyst complex (28) also includes a calcium oxide component which inhibits carbon formation on the alumina surface. The cerium or lanthanum oxide and calcium oxide combine to provide a synergistic improvement in both alumina stabilization and also in inhibition of carbon deposits on the wash coated surfaces (28).
On décrit un reformeur de gaz combustible pour centrale électrique à pile à combustible, qui est formé d'un groupe de plaques composites comprenant des plaques de séparation espacées (22, 24, 26) entre lesquelles sont intercalées des colonnes de passages individuels de gaz combustible (12) et de gaz de brûleur (14). Les passages de gaz combustible (12) comportent des parois imprégnées d'un complexe d'alumine catalysé (28). Le complexe catalytique (28) inclut un catalyseur à base de nickel et un élément d'oxyde de cérium et/ou de lanthane qui stabilise l'alumine contre la recristallisation dans le complexe catalytique. Le complexe catalytique (28) inclut également un élément d'oxyde de calcium qui empêche la formation de carbone sur la surface d'alumine. L'oxyde de cérium ou de lanthane et l'oxyde de calcium combinés apportent une amélioration synergique tant pour la stabilisation de l'alumine que pour l'inhibition de dépôts de carbone sur la surface imprégnée (28).
International Fuel Cells Llc
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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