Yttria-stabilized zirconia (YSZ) supported Ni-Co alloys (precursor of SOFC anodes) as catalysts for the steam reforming of ethanol

被引：97

作者：

Resini, Carlo ^{[1
,2
,3
]}

Herrera Delgado, Maria Concepcion ^{[4
]}

Presto, Sabrina ^{[3
,5
]}

Alemany, Luis J. ^{[4
]}

Riani, Paola ^{[3
,5
]}

Marazza, Rinaldo ^{[3
,5
]}

Ramis, Gianguido ^{[1
,2
,3
]}

Busca, Guido ^{[1
,2
,3
]}

机构：

[1] Univ Genoa, Dipartimento Ingn Chim Proc, I-16129 Genoa, Italy

[2] Ctr Interuniv Ric Monitoraggio Ambientale, I-17100 Savona, Italy

[3] Consorzio INSTM, I-50132 Florence, Italy

[4] Univ Malaga, Dept Ingn Quim, E-29071 Malaga, Spain

[5] Univ Genoa, Dipartimento Chim & Chim Ind, I-16146 Genoa, Italy

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2008年 / 33卷 / 14期

关键词：

hydrogen; steam reforming; bioethanol; nickel; SOFC;

D O I：

10.1016/j.ijhydene.2008.04.044

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Bioethanol is an attractive fuel for direct internal reforming SOFC (DIR-SOFC). The aim of this work is to investigate the activity of Ni-YSZ, used as precursor for the preparation of SOFC anodes and as catalyst of the ethanol steam reforming reaction. The effect of the addition of cobalt is also studied, as the best performance is given by Ni-Co (25:25)/YSZ catalyst. This achieves total conversion of ethanol around 670 K, at which temperature the H-2 yield is 65%. The addition of Co results in the inhibition of the dehydration reaction as well as of methane production. Furthermore, Co also has an effect on the hydrogen yield, by increasing it and thus apparently favouring methane steam reforming. (C) 2008 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.

引用

页码：3728 / 3735

页数：8

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