Effect of precious metal addition to Ni-YSZ cermet on reforming of CH4 and electrochemical activity as SOFC anode

被引：118

作者：

Takeguchi, T

Kikuchi, R

Yano, T

Eguchi, K ^{[1
]}

Murata, K

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Energy & Hydrocarbon Chem, Nishikyo Ku, Kyoto 6158510, Japan

[2] Mitsui Engn & Shipbldg Co Ltd, Tamono Technol Ctr, Okayama 7060014, Japan

来源：

CATALYSIS TODAY | 2003年 / 84卷 / 3-4期

关键词：

SOFC; steam reforming; AC impedance; Ni-YSZ cermets; carbon deposition; precious metal;

D O I：

10.1016/S0920-5861(03)00278-5

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Various kinds of precious metals were added to the Ni-Y2O3-stabilized zirconia (Ni-YSZ) cermets, and the relation between steam reforming of CH4 and the electrochemical activity as a solid oxide fuel cell (SOFC) anode was investigated. Ru and Pt additions promoted the reforming and suppressed the coke depositions. The electrochemical activity of the SOFC anode was enhanced by the addition of Ru and Pt, indicating that these precious metals effectively functioned as the anode catalysts. The impedance related to gas diffusion was greatly reduced, indicating that stability of the anode catalyst of SOFC was considerably improved since coke was hardly deposited. (C) 2003 Elsevier B.V. All rights reserved.

引用

收藏

页码：217 / 222

页数：6

相关论文

共 23 条

[1] Kinetics of internal steam reforming of methane on Ni/YSZ-based anodes for solid oxide fuel cells [J].

Ahmed, K ;

Foger, K .

CATALYSIS TODAY, 2000, 63 (2-4) :479-487

[2] Intrinsic kinetics of the internal steam reforming of CH4 over a Ni-YSZ-cermet catalyst-electrode [J].

Bebelis, S ;

Zeritis, A ;

Tiropani, C ;

Neophytides, SG .

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2000, 39 (12) :4920-4927

[3] Internal steam reforming of methane over Ni-based electrode in solid oxide fuel cells [J].

Belyaev, VD ;

Politova, TI ;

Marina, OA ;

Sobyanin, VA .

APPLIED CATALYSIS A-GENERAL, 1995, 133 (01) :47-57

[4] Catalytic performance and catalyst structure of nickel-magnesia catalysts for CO2 reforming of methane [J].

Chen, YG ;

Tomishige, K ;

Yokoyama, K ;

Fujimoto, K .

JOURNAL OF CATALYSIS, 1999, 184 (02) :479-490

[5] CO-free production of hydrogen via stepwise steam reforming of methane [J].

Choudhary, TV ;

Goodman, DW .

JOURNAL OF CATALYSIS, 2000, 192 (02) :316-321

[6] Hydrogen production via catalytic decomposition of methane [J].

Choudhary, TV ;

Sivadinarayana, C ;

Chusuei, CC ;

Klinghoffer, A ;

Goodman, DW .

JOURNAL OF CATALYSIS, 2001, 199 (01) :9-18

[7] Oxidative conversion of methane to syngas over nickel supported on commercial low surface area porous catalyst carriers precoated with alkaline and rare earth oxides [J].

Choudhary, VR ;

Uphade, BS ;

Mamman, AS .

JOURNAL OF CATALYSIS, 1997, 172 (02) :281-293

[8] Intrinsic reaction kinetics of methane steam reforming on a nickel/zirconia anode [J].

Dicks, AL ;

Pointon, KD ;

Siddle, A .

JOURNAL OF POWER SOURCES, 2000, 86 (1-2) :523-530

[9] Hydrogen generation from natural gas for the fuel cell systems of tomorrow [J].

Dicks, AL .

JOURNAL OF POWER SOURCES, 1996, 61 (1-2) :113-124

[10] Carbon formation on and deactivation of nickel-based/zirconia anodes in solid oxide fuel cells running on methane [J].

Finnerty, CM ;

Coe, NJ ;

Cunningham, RH ;

Ormerod, RM .

CATALYSIS TODAY, 1998, 46 (2-3) :137-145