Study on paper-structured catalyst for direct internal reforming SOFC fueled by the mixture of CH4 and CO2

Inorganic fiber network including YSZ fiber which acts as catalyst support was created by the simple paper-making process, and novel Ni-loaded paper-structured catalysts (PSCs) with excellent catalytic activity for the dry reforming of methane were designed and developed. The PSCs exhibited high fue...

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Bibliographic Details
Published in:International journal of hydrogen energy 2013-08, Vol.38 (25), p.10542-10551
Main Authors: Shiratori, Yusuke, Ogura, Teppei, Nakajima, Hironori, Sakamoto, Mio, Takahashi, Yutaro, Wakita, Yuto, Kitaoka, Takuya, Sasaki, Kazunari
Format: Article
Language:English
Subjects:
Alternative fuels. Production and utilization
Applied sciences
Arrays
Biogas
Direct internal reforming
Dry reforming
Energy
Exact sciences and technology
Fuels
Hydrogen
Paper-structured catalyst
Solid oxide fuel cell
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Summary:Inorganic fiber network including YSZ fiber which acts as catalyst support was created by the simple paper-making process, and novel Ni-loaded paper-structured catalysts (PSCs) with excellent catalytic activity for the dry reforming of methane were designed and developed. The PSCs exhibited high fuel conversion comparable to the conventional powdered catalysts with less than one-tenth catalyst weights. The significant advantages of the PSCs are their high mechanical flexibility and material workability. So far, a functionally-graded catalytic reaction field which leads to uniform temperature distribution during biogas reforming resulting in stable operation of planar SOFC was successfully developed by the PSC array based on the kinetic simulation model built in this research. •This study aimed at stable operation of DIRSOFC fueled by biogas.•Ni loaded paper-structured catalyst (PSC) was developed.•The PSC exhibited high methane conversion with small amount of catalyst.•Strong temperature gradient and carbon deposition were suppressed using PSC array.•Degradation rate of 1.7%/1000 h was achieved in the direct feed of biogas mixture.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2013.06.046