Sealing structure and fuel cell having the sealing structure

摘要

A sealing structure includes: components (1, 2, 11, 16, 21, 22, 33, 34, 44, 51, 52, 61, 62) respectively having sealing surfaces (8, 9, 14, 17, 30, 31, 42, 43, 49, 71, 72) on surfaces thereof facing each other; and a seal member (3, 18, 25, 37, 46, 50, 55, 65, 104, 105, 106, 140, 240) interposed between the sealing surfaces to make the sealing surfaces closely adhere to each other, and at least a hard carbon film (6, 7, 13, 28, 29, 40, 41, 48, 53, 54, 66, 67, 108, 120, 130, 220, 230, 320, 330, 430) is formed on one or both of the sealing surfaces.

主权项

1. A sealing structure comprising:
a plurality of components respectively having sealing surfaces on surfaces thereof facing each other; a seal member interposed between the sealing surfaces to make the sealing surfaces closely adhere to each other, a hard carbon film and an intermediate layer formed on one or both of the sealing surfaces, the intermediate layer interposed between the hard carbon film and a base member of a corresponding component, and a gap formed between crystals of the intermediate layer, and the seal member enters the gap, wherein the seal member is provided on the hard carbon film.