Patent ID: 7914941
Filing Date: 2011-03-29
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
1. A solid oxide fuel cell comprising: an electric power generation cell including a solid electrolyte layer, a fuel electrode layer arranged on one side of said solid electrolyte layer and an air electrode layer arranged on another side of said solid electrolyte layer, wherein: said solid electrolyte layer is an oxide ion conductor mainly composed of a lanthanum gallate based oxide; said fuel electrode layer is a porous sintered compact having a highly dispersed network structure in which a skeletal structure formed of a consecutive array of metal grains is surrounded by mixed conductive oxide grains, wherein the metal grains are nickel grains having an average primary grain size of 0.2 to 0.5 μm; and said air electrode layer is a porous sintered compact mainly composed of cobaltite.