Self-made conventional nickel-yttria-stabilized zirconia composite anodes after reduction and 500 h operation were analyzed by three-dimensional microstructure reconstruction based on focused ion beam-scanning electro...Self-made conventional nickel-yttria-stabilized zirconia composite anodes after reduction and 500 h operation were analyzed by three-dimensional microstructure reconstruction based on focused ion beam-scanning electron microscopy technique.Interfacial area,threephases-boundary density and phase volume fraction were measured based on the three-dimensional microstructure reconstruction to quantitatively study the statistical characterization of solid oxide fuel cell nickel-yttria-stabilizedzirconia anode microstructure before and after operation.It is found that for anode operated with long time,it is necessary to increase the corresponding three-dimensional reconstruction size to suppress the influence of microstructure variation caused by Ni agglomeration in order to obtain more accurate microstructural quantification information.展开更多
基金supported by the New Energy and Industrial Technology Development Organization(NEDO)under the Development of System and Elemental Technology on Solid Oxide Fuel Cell(SOFC)Project
文摘Self-made conventional nickel-yttria-stabilized zirconia composite anodes after reduction and 500 h operation were analyzed by three-dimensional microstructure reconstruction based on focused ion beam-scanning electron microscopy technique.Interfacial area,threephases-boundary density and phase volume fraction were measured based on the three-dimensional microstructure reconstruction to quantitatively study the statistical characterization of solid oxide fuel cell nickel-yttria-stabilizedzirconia anode microstructure before and after operation.It is found that for anode operated with long time,it is necessary to increase the corresponding three-dimensional reconstruction size to suppress the influence of microstructure variation caused by Ni agglomeration in order to obtain more accurate microstructural quantification information.