Flat plate type solid oxide fuel cell stack unit and flat plate type solid oxide fuel cell stack module

A flat plate type solid oxide fuel cell stack module, comprising:

• an anode plate, formed as a rectangle, having a first flow channel structured on a surface thereof, four first fuel input holes located respectively to four corners thereof, and a first fuel output hole located at a center thereof;
• a cathode plate, shaped as a rectangle, having a second flow channel structured on a surface thereof, four second fuel input holes located at respective corners thereof, a second fuel output hole located at a center thereof, a plurality of second air input grooves disposed along a lateral side thereof, and a plurality of second air output grooves disposed along another lateral side thereof opposing to the lateral side, wherein the second air input grooves, the second air output grooves and the second flow channel are all communicative in space;
• a plurality of connection plates, each of the connection plates being shaped as a rectangle and having four eighth fuel input holes located at respective corners thereof, an eighth fuel output hole located at a center thereof, an anode flow channel area disposed on one side thereof, a cathode flow channel area disposed on another side thereof opposing to the side, a plurality of eighth air input grooves disposed along a lateral side of the side thereof having the cathode flow channel area, and a plurality of eighth air output grooves disposed along another lateral side thereof opposing to the lateral side, wherein the eight air input grooves, the eight air output grooves and the cathode flow channel area are all communicative in space;
• and
• a plurality of cell sets, each of the cell sets comprising:
• a cell unit, shaped as a rectangle, having four third fuel input holes located at respective corners thereof, a third fuel output hole located at a center thereof, a cathode layer disposed on one side thereof and an anode layer disposed on another side thereof opposing to the side;
• an anode metal net, located between the anode plate and the cell unit;
• a cathode metal net, located between the cathode plate and the cell unit;
• at least one anode sealing material, disposed on the side of the cell unit having the anode layer;
• and
• at least one cathode sealing material, disposed on the side of the cell unit having the cathode layer;
• wherein one of the cell units is disposed between the anode plate and one of the connection plates, the anode sealing material of this cell unit is to surround the corresponding first fuel input holes, the corresponding first fuel output hole, the corresponding first flow channel, this cell unit and the corresponding anode metal net, and the cathode sealing material of this cell unit is to surround the corresponding eighth fuel input holes, the corresponding eighth fuel output hole, the corresponding cathode flow channel area, this cell unit and the corresponding cathode metal net;
• wherein another one of the cell units is disposed between the cathode plate and another one of the connection plates, the anode sealing material of this cell unit is to surround the corresponding eighth fuel input holes, the corresponding eighth fuel output hole, the corresponding anode flow channel area, this cell unit and the corresponding anode metal net, and the cathode sealing material of this cell unit is to surround the corresponding second fuel input holes, the corresponding second fuel output hole, the corresponding second flow channel, this cell unit and the corresponding cathode metal net;
• wherein one of the cell units is disposed between two neighboring said connection plates, the anode sealing material of this cell unit is to surround the corresponding eighth fuel input holes, the corresponding eighth fuel output hole, the corresponding anode flow channel area, this cell unit and the corresponding anode metal net, and the cathode sealing material of this cell unit is to surround the corresponding eighth fuel input holes, the corresponding eighth fuel output hole, the corresponding cathode flow channel area, this cell unit and the corresponding cathode metal net;
• wherein the anode layer of each of the cell units is to face the first flow channel of the corresponding anode plate and the cathode layer of each of the cell units is to face the second flow channel of the corresponding cathode plate;
• wherein the first fuel input holes, the second fuel input holes, the plurality of third fuel input holes and the plurality of eighth fuel input holes are aligned in respective positions, the first fuel output holes, the second fuel output holes, the third fuel output holes and the eighth fuel output holes are aligned in respective positions, the second air input grooves and the eighth air input grooves are aligned in respective positions, and the second air output grooves and the eighth air output grooves are aligned in respective positions.