US 7,468,340 B2
Metal-supported porous carbon film, fuel cell electrode and fuel cell employing the electrode
Shyusei Ohya, Ichihara (Japan); Yuuichi Fujii, Ichihara (Japan); Makoto Matsuo, Ichihara (Japan); and Jun Takagi, Ichihara (Japan)
Assigned to Ube Industries, Ltd., (Japan)
Appl. No. 10/550,902
PCT Filed Apr. 08, 2004, PCT No. PCT/JP2004/005092
§ 371(c)(1), (2), (4) Date Sep. 28, 2005,
PCT Pub. No. WO2004/095614, PCT Pub. Date Nov. 04, 2004.
Claims priority of application No. 2003-113978 (JP), filed on Apr. 18, 2003.
Prior Publication US 2007/0077460 A1, Apr. 05, 2007
Int. Cl. B01J 21/18 (2006.01); B01J 23/00 (2006.01); B01J 23/40 (2006.01); H01M 4/00 (2006.01); C22C 5/04 (2006.01)
U.S. Cl. 502—180  [502/182; 502/185; 429/40; 429/41; 429/42; 429/43; 429/44; 977/888; 420/463; 420/465; 420/466] 12 Claims
OG exemplary drawing
 
1. A metal-supported porous carbon film wherein metal fine particles with a mean particle diameter of 0.7-20 nm are dispersed and supported on pore surface walls and wherein from 15% to 95% of the metal fine particles consist of multiply twinned particles.