Patent ID: 7232623

Claim:
An apparatus comprising: a device having a main body and a card slot; a function card inserted in the card slot and mounted to the main body of the device; and a fuel storage portion removably mounted to the function card; wherein the function card includes a generator including a proton conductor film, and an oxygen side electrode and a hydrogen side electrode opposed to each other with said proton conductor film put therebetween, said generator being disposed in a housing of said function card, wherein power is generated by taking oxygen from a gas inlet portion formed in said housing to said oxygen side electrode in an atmosphere open state and supplying fuel selected from the group consisting of a fuel gas and a fuel liquid to said generator, and a first connector portion to be locked with a respective second connector portion formed on a bottom portion of said card slot of said main body when said function card is inserted in said main body; wherein power is capable of being outputted through said first connector portion of said function card, and wherein information is transferred between a first I/O portion associated with said function card and a second I/O portion associated with the fuel storage portion, and wherein the fuel storage portion is removably mounted to a region, opposite to said main body, of said housing of said function card.