| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrolyte sheet with a high strength average value and Weibull coefficient, which has a stable mechanical strength property. <P>SOLUTION: A solid oxide fuel battery electrolyte sheet of the present invention has plural depressions and/or projections on at least one face thereof, the bottom surface shape of which is a circle, an oval, or a round cornered polygon whose shape at vertex is a curve in radius of curvature of 0.1 μm or more, and/or the three-dimensional shape of which is a hemisphere, a semi-oval sphere, or a polyhedron whose cross section shape at vertex and ridgeline is a curve in radius of curvature of 0.1 μm or more. Further, the average equivalent circle diameter of the bottom face of the depressions and projections is over 250 μm to 10000 μm or less, while the average depth of the depressions and the average height of the projections is 5 μm or more and 200 μm or less, and the average thickness is 100 μm or more and 400 μm or less. <P>COPYRIGHT: (C)2012,JPO&INPIT |
