| 摘要 |
1,087,417. Fuel cells. COMPAGNIE GENERALE D'ELECTRICITE. June 25, 1965 [July 17, 1964], No. 27168/65. Heading H1B. A diffusion electrode is shot-blasted to decrease the pore sizes of the outer layers. It is stated that a gradual increase of pore size perpendicularly from the surface inwards is thus achieved. The shot blasting may utilize balls of alumina, silica or of nickel and a gaseous or a liquid medium may carry the balls. |
