Patent ID: 8497046
Filing Date: 2013-07-30
Classification: H01M,Y02E

Abstract:
1. A sealing structure for use with a fuel cell that comprises an electrolyte membrane having at least one electrode formed on a surface of the electrolyte membrane, and at least one separator formed with a gas passage that faces the at least one electrode, the sealing structure comprising: at least one elastic sealing member sandwiched between the electrolyte membrane and the at least one separator, wherein the at least one elastic sealing member comprises at least one first portion located in at least one first region of the electrolyte membrane, and at least one second portion located in at least one second region of the electrolyte membrane, the at least one second region being at least one region that is more likely to be deformed than the at least one first region, wherein the electrolyte membrane extends beyond the at least one first portion and the at least one second portion in a direction of a width of the at least one first portion and the at least one second portion, and wherein the at least one second portion of the at least one elastic sealing member has a larger base width than the at least one first portion of the at least one elastic sealing member.