期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 34, 期 13, 页码 5537-5545出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2009.04.060
关键词
Solid oxide fuel cell; Methane fuel; Carbon deposition; Direct oxidation; Cu-electroplating
资金
- Korea Research Foundation, Korean Government [KRF-2005-041D00356]
The Cu-Ni-YSZ cermet anodes for direct use of methane in solid oxide fuel cells have been fabricated by electroplating Cu into a porous Ni-YSZ cermet anode. The uniform distribution of Cu in the Ni-YSZ anode was obtained by electroplating in an aqueous solution mixture Of CUSO4 center dot 5H(2)O and H2SO4 for 30 min with 0.1 A of applied current. When the Cu-Ni-YSZ anode was exposed to methane at 700 degrees C, the amount of carbon deposited on the anode decreased as the amount of Cu in the Cu-Ni solid solution increased. The power density (0.24 W/cm(2)) of a single cell with a Cu-Ni-YSZ anode was slightly lower in methane at 700 degrees C than the power density (0.28 W/cm(2)) of a single cell with a Ni-YSZ anode. However, the performance of the Ni-YSZ anode-supported single cell degraded steeply over 21 h because of carbon deposition, whereas the Cu-Ni-YSZ anode-supported single cell showed enhanced durability up to 200 h. (C) 2009 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
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