| abstract |
Compositions and methods useful for oxygen sorption and other uses are presented within the general formulas (1), (2), (3), (4), (5), (6), and (7): n A 2 BO 4−δ (1) A 2 B 2 O 5−δ (2) AO(ABO 3−δ ) n (3) AM 2 Cu 3 O 7−δ (4) Bi 4 V 2(1−x) Me 2x O 11−3x , (5) A′B′O 3 where B′ is W or Mo; (6) A 2 B 2 O 7−δ , (7) nand combinations thereof, wherein: A is a cation of atoms having atomic numbers ranging from 57-71, inclusive, a cation of yttrium, cations of Groups 1 and 2 atoms, and combination thereof; B is a cation of a d-block transition metal; A′ is a cation of Na or Li; M is a metal cation selected from cations of Group 2 atoms; Me is a metal cation of Cu, Bi, and Co atoms; x ranges from 0.01 to 1.00; and δ ranges from 0.05 to 0.30. The compounds (1)-(7) may function as active supports for binary metal oxides to enhance the oxygen sorption/desorption capacity of the composites. |