US 7,510,996 B2
Hydrogen storage material
Masakazu Aoki, Aichi-gun (Japan); Nobuko Oba, Aichi-gun (Japan); Shin-ichi Towata, Nagoya (Japan); and Tatsuo Noritake, Nagoya (Japan)
Assigned to Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi-gun (Japan)
Filed on Jun. 10, 2004, as Appl. No. 10/864,550.
Claims priority of application No. 2003-169823 (JP), filed on Jun. 13, 2003; application No. 2004-016341 (JP), filed on Jan. 23, 2004; and application No. 2004-124059 (JP), filed on Apr. 20, 2004.
Prior Publication US 2004/0253514 A1, Dec. 16, 2004
Int. Cl. H01M 4/58 (2006.01); C04B 35/03 (2006.01); C04B 35/00 (2006.01); C04B 35/04 (2006.01); B01D 53/22 (2006.01); B01D 53/56 (2006.01); C01B 3/00 (2006.01); B01J 20/00 (2006.01)
U.S. Cl. 502—411  [420/900; 423/324; 423/210; 423/248; 429/218.1; 429/218.2; 501/94; 501/96.1; 501/96.3; 501/108; 501/123; 501/133; 501/154; 502/232; 502/235; 502/236; 502/240; 502/340; 502/407] 13 Claims
OG exemplary drawing
 
1. A hydrogen storage material, expressed by a composition formula, (Ca1-xAx)1-z(Si1-yBy)z, wherein
“A” is at least one member selected from the group consisting of alkali metal elements, alkaline-earth metal elements, rare-earth elements, the elements of groups 3 through 6, Ni, Au, In, Tl, Sn, Fe, Co, Cu and Ag;
“B” is at least one member selected from the group consisting of the elements of groups 7 through 12 and 14 through 17, Al, Ga, In, Tl, rare-earth elements, Hf and Be;
“x” falls in a range of from 0 (not inclusive) to 1 (not inclusive) by atomic ratio, 0<x<1;
“y” falls in a range of from 0 (not inclusive) to 1 (not inclusive) by atomic ratio, 0<y<1; and
“z” falls in a range of from 0.38 (inclusive) to 0.58 (inclusive) by atomic ratio, 0.38≤z≤0.58.