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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47292

Title: Nondestructive Nanoscale 3D Elemental Mapping and Analysis of a Solid Oxide Fuel Cell Anode
Authors: Wilson K. S. Chiu
Kyle N. Grew
Yong S. Chu
Jaemock Yi
Aldo A. Peracchio
Yeukuang Hwu
Francesco De Carlo
Contributors: 國立臺灣海洋大學:光電科學研究所
Keywords: solid oxide fuel cells
electrochemical electrodes
nondestructive testing
Date: 2010-04
Issue Date: 2018-07-10T03:32:58Z
Publisher: JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Abstract: Abstract: Present solid oxide fuel cells (SOFCs) use complex materials to provide (i) sufficient stability and support, (ii) electronic, ionic, and mass transport, and (iii) electrocatalytic activity. However, there is a limited quantitative understanding of the effect of the SOFC's three dimensional (3D) nano/microstructure on electronic, ionic, and mass-transfer-related losses. Here, a nondestructive tomographic imaging technique at 38.5 nm spatial resolution is used along with numerical models to examine the phase and pore networks within an SOFC anode and to provide insight into the heterogeneous microstructure’s contributions to the origins of transport-related losses. The microstructure produces substantial localized structure-induced losses, with approximately 50% of those losses arising from phase cross-sectional diameters of 0.2μm or less.
Relation: 25(2) pp.1861-1870
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47292
Appears in Collections:[光電科學研究所] 期刊論文

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