An electrochemical cell includes a solid electrolyte layer and a first electrode. The solid electrolyte layer includes a first material having ion conductivity and in which a rare earth element is contained as a solid solution. The first electrode contains...

By stacking a gas diffusion layer, which comprises a first conductive layer comprising a specific conductive carbon material and a specific polymer, on a catalyst layer in such a manner that the first conductive layer is in contact with the catalyst layer ...

A fuel cell of the present invention includes cell blocks (101, 102) each formed by stacking cells (51, 52) and a cooling medium connecting channel (103) connecting a cell block internal cooling medium channel (153A) of the cell block (101) and a cell bloc...

The invention relates to a direct oxidation fuel cell. The invention intends to provide a fuel cell having good fuel utilization efficiency and good power generation performance such as voltage produced and power generation efficiency by suppressing the ph...

The present invention has as an object to produce a thinner electrolyte layer in a solid oxide type fuel cell. In a solid oxide type fuel cell, a solid oxide electrolyte layer 110 is grown on the surface of a hydrogen-permeable metal layer 120. A structure...

A fuel electrode for a solid oxide fuel cell of the present invention includes a metal; and an oxide with oxygen ion conductivity. In the fuel electrode, the oxide is porous, and a concentration of the metal is reduced from a front surface of the fuel elec...

A single cell for a fuel cell in which an air electrode or a fuel electrode includes at least two layers. The air electrode includes an adhering cathode layer formed on one surface of the solid electrolyte layer and configured to show a function to allow t...