Effect of oxide additives on the sintering behavior and electrical properties of strontium- and magnesium-doped lanthanum gallate

Title
Effect of oxide additives on the sintering behavior and electrical properties of strontium- and magnesium-doped lanthanum gallate
Authors
하상부조윤호강윤찬이종호이종흔
Keywords
SOFC; LSGM; electrolyte; conductivity; Strontium- and magnesium-doped lanthanum gallate; Fuel cell; Sintering; Ionic conductivity; Impedance
Issue Date
2010-09
Publisher
Journal of the European Ceramic Society
Citation
VOL 30, NO 12, 2593-2601
Abstract
The effects of 14 different metal-oxide additives (metal = Mn, Fe, Co, Ni, Cu, B, Li, V, Zn, Si, Ca, Al, Bi, and Ba) on the sintering, phase purity, and electrical properties of strontium- and magnesium-doped lanthanum gallate (LSGM) are studied. The density, phase purity, and electrical conductivity depend closely on the sintering aids and sintering temperatures. The addition of V, Zn, Si, Co, and Fe improves the densification, phase purity, and electrical conductivity, with V showing the most promising effect on the low-temperature sintering of the phase-pure LSGM specimen with high conductivity.
URI
http://pubs.kist.re.kr/handle/201004/45572
ISSN
0955-2219
Appears in Collections:
KIST Publication > Article
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