Physicochemical properties of cubic Ni complex powders synthesized using urotropine chelating ligand for solid oxide fuel cells

Title
Physicochemical properties of cubic Ni complex powders synthesized using urotropine chelating ligand for solid oxide fuel cells
Author(s)
강미숙김지은최병현[최병현]
Keywords
NANOPARTICLES
Issue Date
201403
Publisher
ELSEVIER SCIENCE BV
Citation
ADVANCED POWDER TECHNOLOGY, v.25, no.2, pp.609 - 614
Abstract
New nanometer nickel-based solid oxide fuel cell (SOFC) anode material has been synthesized by a hydrothermal reaction with nickel (II) chloride as a metal-containing precursor and a tetra dentate chelating reagent, urotropine. SEM images reveal that the Ni complexes change from two-dimensional flower-like stacked sheets to truncated cubes with increasing mol concentration of urotropine chelating additive. The truncated cubes show sizes of 50.0-200.0 nm. The electrical conductivity of the truncated cubic Ni complex (60.0 wt.%)-loaded commercial YSZ (40.0 wt.%) for an application in SOFC anode is superior compared to that of commercial. NiO/YSZ at the same composition. The zeta-potential value in aqueous solution determined by electrophoretic light scattering (ELS) show a positive surface charge in the range of pH 3.0-9.0, related to the surface stability, but it changes to a negative value at above pH >9. The H-2-temperature-programmed reduction experiments confirm that the truncated cubic Ni complex-loaded commercial YSZ shows a better reducibility than the commercial NiO/YSZ. (C) 2013 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/32967http://dx.doi.org/10.1016/j.apt.2013.09.013
ISSN
0921-8831
Appears in Collections:
이과대학 > 화학생화학부 > Articles
문과대학 > 중국언어문화학과 > Articles
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