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Preparation of High Surface Area Ni-SDC Cermets Using a Surfactant-Assisted Co-Precipitation Method

Published online by Cambridge University Press:  01 February 2011

Sang Joon Park ,
Tae Wook Eom ,
Jae Eun Oh ,
Hae Kwang Yang  and
Kyung Hwan Kim
Sang Joon Park
Affiliation:
sjpark@kyungwon.ac.kr, Kyungwon University, Chemical & Bio Engineering, Soojung-Ku, Bokjungdong, San 65, Dept. of Chemical & Bio Engineering, Seongnam, N/A, N/A, Korea, Republic of
Tae Wook Eom
Affiliation:
eomma0@nate.com, Kyungwon University, Chemical & Bio Engineering, Seongnam, N/A, N/A, Korea, Republic of
Jae Eun Oh
Affiliation:
80juni@ku.kyungwon.ac.kr, Kyungwon University, Chemical & Bio Engineering, Seongnam, N/A, N/A, Korea, Republic of
Hae Kwang Yang
Affiliation:
djfckfu@hanmail.net, Kyungwon University, Chemical & Bio Engineering, Seongnam, N/A, N/A, Korea, Republic of
Kyung Hwan Kim
Affiliation:
khkim@kyungwon.ac.kr, Kyungwon University, Electrical Engineering, Seongnam, N/A, Korea, Republic of
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Abstract

A surfactant-assisted co-precipitation method was employed for obtaining high surface area Ni-SDC with improved structural properties for SOFC applications. In the work, a cationic surfactant, cetyltrimethylammonium bromide(CTAB) was employed with NiCl2, SmCl3 and CeCl3 as precursors and NH4OH as mineralizer. The elimination of surfactants upon calcination gives rise to the formation of high surface area NiO-SDC. When calcined at 600°C, the powders with surface area of 249 m2/g, were obtained and the pore size was 14.45 nm. The powders consist of two phases, the cubic NiO and SDC confirmed with X-ray diffraction identification.

Keywords

nanostructurepowder metallurgyCe
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 942: Symposium W – Colloidal Materials – Synthesis, Structure, and Applications , 2006 , 0942-W11-31
Copyright
Copyright © Materials Research Society 2006

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