Optimization of Ceramic Composites in Solid Oxide Fuel Cells by Hierarchical Functional Architecturing of Powder Packing Structure

Title
Optimization of Ceramic Composites in Solid Oxide Fuel Cells by Hierarchical Functional Architecturing of Powder Packing Structure
Authors
이해원윤경중손지원이종호김병국제해준
Keywords
Ceramic composite; SOFC; Hierarchical architecture; Powder packing
Issue Date
2013-10
Publisher
ECS transactions
Citation
VOL 57, NO 1, 885-890
Abstract
Solid oxide fuel cell is a composite of composites, and goes through a series of composite processing. SOFC always experience extensive constrained sintering in co-firing and post-firing due to shrinkage mismatches. Even though constraints are internal, external, or in combination, SOFCs suffer from critical flaws without optimization of constrained sintering. Thus it is necessary to understand the effects of internal and external constraints on sintering and microstructure development. In this study, we present examples and mechanistic explanation in which critical process flaws were suppressed by hierarchical functional control of the powder packing structure in the viewpoint of constrained sintering.
URI
http://pubs.kist.re.kr/handle/201004/46005
ISSN
19385862
Appears in Collections:
KIST Publication > Article
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