Patent ID: 8455151
Filing Date: 2013-06-04
Classification: H01M,Y02E,Y02P

Abstract:
1. A fuel cell comprising: an electrolyte made of a perovskite-type proton conductor or a solid acid proton conductor; an anode that is made of hydrogen permeable metal and is provided on the electrolyte; an electrolyte-strengthening substrate provided on an opposite side of the anode, relative to the electrolyte, that has a penetration portion and strengthens the electrolyte, the penetration portion being formed by a plurality of through holes, each through hole having a cylindrical shape with a diameter of 0.5 mm to 5 mm; a cathode that is provided on an opposite side of the electrolyte, relative to the electrolyte-strengthening substrate; and a separator provided on the electrolyte-strengthening substrate, the separator having a gas passageway that faces the penetration portion; wherein: the cathode has a high-electrical-current-density region of which electrical current density is higher than an average electrical current density of the cathode and has a low-electrical-current-density region of which electrical current density is lower than the average electrical current density of the cathode; and an area where the penetration portion faces with the high-electrical-current-density region is larger than that where the penetration portion faces with the low-electrical-current-density region.