Patent ID: 8252482

Claim:
A fuel cell comprising: a power generation portion at least comprising a fuel electrode, an oxygen electrode, and a solid electrolyte membrane interposed therebetween a fuel storage portion provided connectably to the power generation portion for storing fuel; and a container portion provided on the power generation portion for containing the fuel storage portion, the container portion being designed to contain the fuel storage portion such that the fuel storage portion is attachable to and detachable from the power generation portion, the fuel cell comprises the power generation portion comprising a first opening member comprising an opening on the fuel electrode side; the fuel storage portion comprises a second opening member comprising an opening; the opening of the first opening member and the opening of the second opening member are designed to be able to communicate with each other; and the fuel storage portion comprising the second opening member is relatively movable in a parallel direction to a surface of the first opening member of the power generation portion where the opening is provided.